2523 lines
67 KiB
C
2523 lines
67 KiB
C
/*
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* lscpu - CPU architecture information helper
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*
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* Copyright (C) 2008 Cai Qian <qcai@redhat.com>
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* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/personality.h>
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#if (defined(__x86_64__) || defined(__i386__))
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# if !defined( __SANITIZE_ADDRESS__)
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# define INCLUDE_VMWARE_BDOOR
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# else
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# warning VMWARE detection disabled by __SANITIZE_ADDRESS__
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# endif
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#endif
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#ifdef INCLUDE_VMWARE_BDOOR
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# include <stdint.h>
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# include <signal.h>
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# include <strings.h>
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# include <setjmp.h>
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# ifdef HAVE_SYS_IO_H
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# include <sys/io.h>
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# endif
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#endif
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#if defined(HAVE_LIBRTAS)
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#include <librtas.h>
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#endif
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#include <libsmartcols.h>
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#include "closestream.h"
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#include "optutils.h"
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#include "fileutils.h"
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#include "lscpu.h"
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#define CACHE_MAX 100
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/* /sys paths */
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#define _PATH_SYS_SYSTEM "/sys/devices/system"
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#define _PATH_SYS_HYP_FEATURES "/sys/hypervisor/properties/features"
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#define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu"
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#define _PATH_SYS_NODE _PATH_SYS_SYSTEM "/node"
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/* Xen Domain feature flag used for /sys/hypervisor/properties/features */
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#define XENFEAT_supervisor_mode_kernel 3
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#define XENFEAT_mmu_pt_update_preserve_ad 5
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#define XENFEAT_hvm_callback_vector 8
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#define XEN_FEATURES_PV_MASK (1U << XENFEAT_mmu_pt_update_preserve_ad)
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#define XEN_FEATURES_PVH_MASK ( (1U << XENFEAT_supervisor_mode_kernel) \
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| (1U << XENFEAT_hvm_callback_vector) )
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static const char *virt_types[] = {
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[VIRT_NONE] = N_("none"),
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[VIRT_PARA] = N_("para"),
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[VIRT_FULL] = N_("full"),
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[VIRT_CONT] = N_("container"),
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};
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static const char *hv_vendors[] = {
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[HYPER_NONE] = NULL,
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[HYPER_XEN] = "Xen",
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[HYPER_KVM] = "KVM",
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[HYPER_MSHV] = "Microsoft",
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[HYPER_VMWARE] = "VMware",
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[HYPER_IBM] = "IBM",
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[HYPER_VSERVER] = "Linux-VServer",
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[HYPER_UML] = "User-mode Linux",
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[HYPER_INNOTEK] = "Innotek GmbH",
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[HYPER_HITACHI] = "Hitachi",
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[HYPER_PARALLELS] = "Parallels",
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[HYPER_VBOX] = "Oracle",
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[HYPER_OS400] = "OS/400",
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[HYPER_PHYP] = "pHyp",
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[HYPER_SPAR] = "Unisys s-Par",
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[HYPER_WSL] = "Windows Subsystem for Linux"
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};
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static const int hv_vendor_pci[] = {
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[HYPER_NONE] = 0x0000,
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[HYPER_XEN] = 0x5853,
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[HYPER_KVM] = 0x0000,
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[HYPER_MSHV] = 0x1414,
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[HYPER_VMWARE] = 0x15ad,
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[HYPER_VBOX] = 0x80ee,
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};
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static const int hv_graphics_pci[] = {
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[HYPER_NONE] = 0x0000,
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[HYPER_XEN] = 0x0001,
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[HYPER_KVM] = 0x0000,
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[HYPER_MSHV] = 0x5353,
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[HYPER_VMWARE] = 0x0710,
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[HYPER_VBOX] = 0xbeef,
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};
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/* dispatching modes */
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static const char *disp_modes[] = {
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[DISP_HORIZONTAL] = N_("horizontal"),
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[DISP_VERTICAL] = N_("vertical")
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};
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static struct polarization_modes polar_modes[] = {
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[POLAR_UNKNOWN] = {"U", "-"},
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[POLAR_VLOW] = {"VL", "vert-low"},
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[POLAR_VMEDIUM] = {"VM", "vert-medium"},
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[POLAR_VHIGH] = {"VH", "vert-high"},
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[POLAR_HORIZONTAL] = {"H", "horizontal"},
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};
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static int maxcpus; /* size in bits of kernel cpu mask */
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#define is_cpu_online(_d, _cpu) \
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((_d) && (_d)->online ? \
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CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->online) : 0)
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#define is_cpu_present(_d, _cpu) \
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((_d) && (_d)->present ? \
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CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->present) : 0)
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#define real_cpu_num(_d, _i) ((_d)->idx2cpunum[(_i)])
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/*
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* IDs
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*/
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enum {
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COL_CPU_CPU,
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COL_CPU_CORE,
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COL_CPU_SOCKET,
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COL_CPU_NODE,
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COL_CPU_BOOK,
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COL_CPU_DRAWER,
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COL_CPU_CACHE,
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COL_CPU_POLARIZATION,
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COL_CPU_ADDRESS,
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COL_CPU_CONFIGURED,
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COL_CPU_ONLINE,
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COL_CPU_MAXMHZ,
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COL_CPU_MINMHZ,
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};
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enum {
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COL_CACHE_ALLSIZE,
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COL_CACHE_LEVEL,
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COL_CACHE_NAME,
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COL_CACHE_ONESIZE,
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COL_CACHE_TYPE,
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COL_CACHE_WAYS,
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COL_CACHE_ALLOCPOL,
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COL_CACHE_WRITEPOL,
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COL_CACHE_PHYLINE,
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COL_CACHE_SETS,
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COL_CACHE_COHERENCYSIZE
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};
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/* column description
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*/
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struct lscpu_coldesc {
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const char *name;
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const char *help;
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int flags;
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unsigned int is_abbr:1; /* name is abbreviation */
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};
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static struct lscpu_coldesc coldescs_cpu[] =
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{
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[COL_CPU_CPU] = { "CPU", N_("logical CPU number"), SCOLS_FL_RIGHT, 1 },
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[COL_CPU_CORE] = { "CORE", N_("logical core number"), SCOLS_FL_RIGHT },
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[COL_CPU_SOCKET] = { "SOCKET", N_("logical socket number"), SCOLS_FL_RIGHT },
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[COL_CPU_NODE] = { "NODE", N_("logical NUMA node number"), SCOLS_FL_RIGHT },
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[COL_CPU_BOOK] = { "BOOK", N_("logical book number"), SCOLS_FL_RIGHT },
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[COL_CPU_DRAWER] = { "DRAWER", N_("logical drawer number"), SCOLS_FL_RIGHT },
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[COL_CPU_CACHE] = { "CACHE", N_("shows how caches are shared between CPUs") },
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[COL_CPU_POLARIZATION] = { "POLARIZATION", N_("CPU dispatching mode on virtual hardware") },
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[COL_CPU_ADDRESS] = { "ADDRESS", N_("physical address of a CPU") },
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[COL_CPU_CONFIGURED] = { "CONFIGURED", N_("shows if the hypervisor has allocated the CPU") },
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[COL_CPU_ONLINE] = { "ONLINE", N_("shows if Linux currently makes use of the CPU"), SCOLS_FL_RIGHT },
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[COL_CPU_MAXMHZ] = { "MAXMHZ", N_("shows the maximum MHz of the CPU"), SCOLS_FL_RIGHT },
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[COL_CPU_MINMHZ] = { "MINMHZ", N_("shows the minimum MHz of the CPU"), SCOLS_FL_RIGHT }
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};
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static struct lscpu_coldesc coldescs_cache[] =
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{
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[COL_CACHE_ALLSIZE] = { "ALL-SIZE", N_("size of all system caches"), SCOLS_FL_RIGHT },
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[COL_CACHE_LEVEL] = { "LEVEL", N_("cache level"), SCOLS_FL_RIGHT },
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[COL_CACHE_NAME] = { "NAME", N_("cache name") },
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[COL_CACHE_ONESIZE] = { "ONE-SIZE", N_("size of one cache"), SCOLS_FL_RIGHT },
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[COL_CACHE_TYPE] = { "TYPE", N_("cache type") },
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[COL_CACHE_WAYS] = { "WAYS", N_("ways of associativity"), SCOLS_FL_RIGHT },
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[COL_CACHE_ALLOCPOL] = { "ALLOC-POLICY", N_("allocation policy") },
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[COL_CACHE_WRITEPOL] = { "WRITE-POLICY", N_("write policy") },
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[COL_CACHE_PHYLINE] = { "PHY-LINE", N_("number of physical cache line per cache t"), SCOLS_FL_RIGHT },
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[COL_CACHE_SETS] = { "SETS", N_("number of sets in the cache; set lines has the same cache index"), SCOLS_FL_RIGHT },
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[COL_CACHE_COHERENCYSIZE] = { "COHERENCY-SIZE", N_("minimum amount of data in bytes transferred from memory to cache"), SCOLS_FL_RIGHT }
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};
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static int get_cache_full_size(struct lscpu_desc *desc, struct cpu_cache *ca, uint64_t *res);
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static int
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cpu_column_name_to_id(const char *name, size_t namesz)
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{
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size_t i;
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for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++) {
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const char *cn = coldescs_cpu[i].name;
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if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
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return i;
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}
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warnx(_("unknown column: %s"), name);
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return -1;
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}
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static int
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cache_column_name_to_id(const char *name, size_t namesz)
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{
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size_t i;
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for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++) {
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const char *cn = coldescs_cache[i].name;
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if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
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return i;
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}
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warnx(_("unknown column: %s"), name);
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return -1;
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}
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/* Lookup a pattern and get the value from cpuinfo.
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* Format is:
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*
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* "<pattern> : <key>"
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*/
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static int
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lookup(char *line, char *pattern, char **value)
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{
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char *p, *v;
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int len = strlen(pattern);
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/* don't re-fill already found tags, first one wins */
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if (!*line || *value)
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return 0;
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/* pattern */
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if (strncmp(line, pattern, len) != 0)
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return 0;
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/* white spaces */
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for (p = line + len; isspace(*p); p++);
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/* separator */
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if (*p != ':')
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return 0;
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/* white spaces */
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for (++p; isspace(*p); p++);
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/* value */
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if (!*p)
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return 0;
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v = p;
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/* end of value */
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len = strlen(line) - 1;
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for (p = line + len; isspace(*(p-1)); p--);
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*p = '\0';
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*value = xstrdup(v);
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return 1;
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}
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/* Parse extra cache lines contained within /proc/cpuinfo but which are not
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* part of the cache topology information within the sysfs filesystem.
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* This is true for all shared caches on e.g. s390. When there are layers of
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* hypervisors in between it is not knows which CPUs share which caches.
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* Therefore information about shared caches is only available in
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* /proc/cpuinfo.
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* Format is:
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* "cache<nr> : level=<lvl> type=<type> scope=<scope> size=<size> line_size=<lsz> associativity=<as>"
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*/
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static int
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lookup_cache(char *line, struct lscpu_desc *desc)
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{
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struct cpu_cache *cache;
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long long size;
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char *p, type;
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int level;
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/* Make sure line starts with "cache<nr> :" */
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if (strncmp(line, "cache", 5) != 0)
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return 0;
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for (p = line + 5; isdigit(*p); p++);
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for (; isspace(*p); p++);
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if (*p != ':')
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return 0;
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p = strstr(line, "scope=") + 6;
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/* Skip private caches, also present in sysfs */
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if (!p || strncmp(p, "Private", 7) == 0)
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return 0;
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p = strstr(line, "level=");
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if (!p || sscanf(p, "level=%d", &level) != 1)
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return 0;
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p = strstr(line, "type=") + 5;
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if (!p || !*p)
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return 0;
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type = 0;
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if (strncmp(p, "Data", 4) == 0)
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type = 'd';
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else if (strncmp(p, "Instruction", 11) == 0)
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type = 'i';
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else if (strncmp(p, "Unified", 7) == 0)
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type = 'u';
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p = strstr(line, "size=");
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if (!p || sscanf(p, "size=%lld", &size) != 1)
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return 0;
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desc->necaches++;
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desc->ecaches = xrealloc(desc->ecaches,
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desc->necaches * sizeof(struct cpu_cache));
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cache = &desc->ecaches[desc->necaches - 1];
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memset(cache, 0 , sizeof(*cache));
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if (type == 'i' || type == 'd')
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xasprintf(&cache->name, "L%d%c", level, type);
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else
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xasprintf(&cache->name, "L%d", level);
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cache->level = level;
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cache->size = size * 1024;
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cache->type = type == 'i' ? xstrdup("Instruction") :
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type == 'd' ? xstrdup("Data") :
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type == 'u' ? xstrdup("Unified") : NULL;
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return 1;
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}
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/* Don't init the mode for platforms where we are not able to
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* detect that CPU supports 64-bit mode.
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*/
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static int
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init_mode(struct lscpu_modifier *mod)
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{
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int m = 0;
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if (mod->system == SYSTEM_SNAPSHOT)
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/* reading info from any /{sys,proc} dump, don't mix it with
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* information about our real CPU */
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return 0;
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#if defined(__alpha__) || defined(__ia64__)
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m |= MODE_64BIT; /* 64bit platforms only */
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#endif
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/* platforms with 64bit flag in /proc/cpuinfo, define
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* 32bit default here */
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#if defined(__i386__) || defined(__x86_64__) || \
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defined(__s390x__) || defined(__s390__) || defined(__sparc_v9__)
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m |= MODE_32BIT;
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#endif
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#if defined(__aarch64__)
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{
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/* personality() is the most reliable way (since 4.7)
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* to determine aarch32 support */
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int pers = personality(PER_LINUX32);
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if (pers != -1) {
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personality(pers);
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m |= MODE_32BIT;
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}
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m |= MODE_64BIT;
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}
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#endif
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return m;
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}
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#if defined(HAVE_LIBRTAS)
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#define PROCESSOR_MODULE_INFO 43
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static int strbe16toh(const char *buf, int offset)
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{
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return (buf[offset] << 8) + buf[offset+1];
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}
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static void read_physical_info_powerpc(struct lscpu_desc *desc)
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{
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char buf[BUFSIZ];
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int rc, len, ntypes;
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desc->physsockets = desc->physchips = desc->physcoresperchip = 0;
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rc = rtas_get_sysparm(PROCESSOR_MODULE_INFO, sizeof(buf), buf);
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if (rc < 0)
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return;
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len = strbe16toh(buf, 0);
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if (len < 8)
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return;
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ntypes = strbe16toh(buf, 2);
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assert(ntypes <= 1);
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if (!ntypes)
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return;
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desc->physsockets = strbe16toh(buf, 4);
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desc->physchips = strbe16toh(buf, 6);
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desc->physcoresperchip = strbe16toh(buf, 8);
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}
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#else
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static void read_physical_info_powerpc(
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struct lscpu_desc *desc __attribute__((__unused__)))
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{
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}
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#endif
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static int cmp_vulnerability_name(const void *a0, const void *b0)
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{
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const struct cpu_vulnerability *a = (const struct cpu_vulnerability *) a0,
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*b = (const struct cpu_vulnerability *) b0;
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return strcmp(a->name, b->name);
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}
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static void read_vulnerabilities(struct lscpu_desc *desc)
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{
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struct dirent *d;
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DIR *dir = ul_path_opendir(desc->syscpu, "vulnerabilities");
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int n = 0;
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if (!dir)
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return;
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desc->nvuls = n = 0;
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while (xreaddir(dir))
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n++;
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if (!n)
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return;
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rewinddir(dir);
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desc->vuls = xcalloc(n, sizeof(struct cpu_vulnerability));
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while (desc->nvuls < n && (d = xreaddir(dir))) {
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char *str, *p;
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struct cpu_vulnerability *vu;
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#ifdef _DIRENT_HAVE_D_TYPE
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if (d->d_type == DT_DIR || d->d_type == DT_UNKNOWN)
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continue;
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#endif
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if (ul_path_readf_string(desc->syscpu, &str,
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"vulnerabilities/%s", d->d_name) <= 0)
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continue;
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|
vu = &desc->vuls[desc->nvuls++];
|
|
|
|
/* Name */
|
|
vu->name = xstrdup(d->d_name);
|
|
*vu->name = toupper(*vu->name);
|
|
strrep(vu->name, '_', ' ');
|
|
|
|
/* Description */
|
|
vu->text = str;
|
|
p = (char *) startswith(vu->text, "Mitigation");
|
|
if (p) {
|
|
*p = ';';
|
|
strrem(vu->text, ':');
|
|
}
|
|
}
|
|
closedir(dir);
|
|
|
|
qsort(desc->vuls, desc->nvuls,
|
|
sizeof(struct cpu_vulnerability), cmp_vulnerability_name);
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod)
|
|
{
|
|
FILE *fp;
|
|
char buf[BUFSIZ];
|
|
struct utsname utsbuf;
|
|
size_t setsize;
|
|
cpu_set_t *cpuset = NULL;
|
|
|
|
/* architecture */
|
|
if (uname(&utsbuf) == -1)
|
|
err(EXIT_FAILURE, _("error: uname failed"));
|
|
|
|
fp = ul_path_fopen(desc->procfs, "r", "cpuinfo");
|
|
if (!fp)
|
|
err(EXIT_FAILURE, _("cannot open %s"), "/proc/cpuinfo");
|
|
desc->arch = xstrdup(utsbuf.machine);
|
|
|
|
/* details */
|
|
while (fgets(buf, sizeof(buf), fp) != NULL) {
|
|
if (lookup(buf, "vendor", &desc->vendor)) ;
|
|
else if (lookup(buf, "vendor_id", &desc->vendor)) ;
|
|
else if (lookup(buf, "CPU implementer", &desc->vendor)) ; /* ARM and aarch64 */
|
|
else if (lookup(buf, "family", &desc->family)) ;
|
|
else if (lookup(buf, "cpu family", &desc->family)) ;
|
|
else if (lookup(buf, "model", &desc->model)) ;
|
|
else if (lookup(buf, "CPU part", &desc->model)) ; /* ARM and aarch64 */
|
|
else if (lookup(buf, "cpu model", &desc->model)) ; /* mips */
|
|
else if (lookup(buf, "model name", &desc->modelname)) ;
|
|
else if (lookup(buf, "stepping", &desc->stepping)) ;
|
|
else if (lookup(buf, "CPU variant", &desc->stepping)) ; /* aarch64 */
|
|
else if (lookup(buf, "cpu MHz", &desc->mhz)) ;
|
|
else if (lookup(buf, "cpu MHz dynamic", &desc->dynamic_mhz)) ; /* s390 */
|
|
else if (lookup(buf, "cpu MHz static", &desc->static_mhz)) ; /* s390 */
|
|
else if (lookup(buf, "flags", &desc->flags)) ; /* x86 */
|
|
else if (lookup(buf, "features", &desc->flags)) ; /* s390 */
|
|
else if (lookup(buf, "Features", &desc->flags)) ; /* aarch64 */
|
|
else if (lookup(buf, "ASEs implemented", &desc->flags)) ; /* mips */
|
|
else if (lookup(buf, "type", &desc->flags)) ; /* sparc64 */
|
|
else if (lookup(buf, "bogomips", &desc->bogomips)) ;
|
|
else if (lookup(buf, "BogoMIPS", &desc->bogomips)) ; /* aarch64 */
|
|
else if (lookup(buf, "bogomips per cpu", &desc->bogomips)) ; /* s390 */
|
|
else if (lookup(buf, "cpu", &desc->cpu)) ;
|
|
else if (lookup(buf, "revision", &desc->revision)) ;
|
|
else if (lookup(buf, "CPU revision", &desc->revision)) ; /* aarch64 */
|
|
else if (lookup(buf, "max thread id", &desc->mtid)) ; /* s390 */
|
|
else if (lookup(buf, "address sizes", &desc->addrsz)) ; /* x86 */
|
|
else if (lookup_cache(buf, desc)) ;
|
|
else
|
|
continue;
|
|
}
|
|
|
|
desc->mode = init_mode(mod);
|
|
|
|
if (desc->flags) {
|
|
snprintf(buf, sizeof(buf), " %s ", desc->flags);
|
|
if (strstr(buf, " svm "))
|
|
desc->virtflag = xstrdup("svm");
|
|
else if (strstr(buf, " vmx "))
|
|
desc->virtflag = xstrdup("vmx");
|
|
if (strstr(buf, " lm "))
|
|
desc->mode |= MODE_32BIT | MODE_64BIT; /* x86_64 */
|
|
if (strstr(buf, " zarch "))
|
|
desc->mode |= MODE_32BIT | MODE_64BIT; /* s390x */
|
|
if (strstr(buf, " sun4v ") || strstr(buf, " sun4u "))
|
|
desc->mode |= MODE_32BIT | MODE_64BIT; /* sparc64 */
|
|
}
|
|
|
|
if (desc->arch && mod->system != SYSTEM_SNAPSHOT) {
|
|
if (strcmp(desc->arch, "ppc64") == 0)
|
|
desc->mode |= MODE_32BIT | MODE_64BIT;
|
|
else if (strcmp(desc->arch, "ppc") == 0)
|
|
desc->mode |= MODE_32BIT;
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
if (ul_path_read_s32(desc->syscpu, &maxcpus, "kernel_max") == 0)
|
|
/* note that kernel_max is maximum index [NR_CPUS-1] */
|
|
maxcpus += 1;
|
|
|
|
else if (mod->system == SYSTEM_LIVE)
|
|
/* the root is '/' so we are working with data from the current kernel */
|
|
maxcpus = get_max_number_of_cpus();
|
|
|
|
if (maxcpus <= 0)
|
|
/* error or we are reading some /sys snapshot instead of the
|
|
* real /sys, let's use any crazy number... */
|
|
maxcpus = 2048;
|
|
|
|
setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
if (ul_path_readf_cpulist(desc->syscpu, &cpuset, maxcpus, "possible") == 0) {
|
|
int num, idx;
|
|
|
|
desc->ncpuspos = CPU_COUNT_S(setsize, cpuset);
|
|
desc->idx2cpunum = xcalloc(desc->ncpuspos, sizeof(int));
|
|
|
|
for (num = 0, idx = 0; num < maxcpus; num++) {
|
|
if (CPU_ISSET_S(num, setsize, cpuset))
|
|
desc->idx2cpunum[idx++] = num;
|
|
}
|
|
cpuset_free(cpuset);
|
|
cpuset = NULL;
|
|
} else
|
|
err(EXIT_FAILURE, _("failed to determine number of CPUs: %s"),
|
|
_PATH_SYS_CPU "/possible");
|
|
|
|
|
|
/* get mask for present CPUs */
|
|
if (ul_path_readf_cpulist(desc->syscpu, &desc->present, maxcpus, "present") == 0)
|
|
desc->ncpus = CPU_COUNT_S(setsize, desc->present);
|
|
|
|
/* get mask for online CPUs */
|
|
if (ul_path_readf_cpulist(desc->syscpu, &desc->online, maxcpus, "online") == 0)
|
|
desc->nthreads = CPU_COUNT_S(setsize, desc->online);
|
|
|
|
/* get dispatching mode */
|
|
if (ul_path_read_s32(desc->syscpu, &desc->dispatching, "dispatching") != 0)
|
|
desc->dispatching = -1;
|
|
|
|
/* get cpufreq boost mode */
|
|
if (ul_path_read_s32(desc->syscpu, &desc->freqboost, "cpufreq/boost") != 0)
|
|
desc->freqboost = -1;
|
|
|
|
if (mod->system == SYSTEM_LIVE)
|
|
read_physical_info_powerpc(desc);
|
|
|
|
if ((fp = ul_path_fopen(desc->procfs, "r", "sysinfo"))) {
|
|
while (fgets(buf, sizeof(buf), fp) != NULL) {
|
|
if (lookup(buf, "Type", &desc->machinetype))
|
|
break;
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
/* vulnerabilities */
|
|
if (ul_path_access(desc->syscpu, F_OK, "vulnerabilities") == 0)
|
|
read_vulnerabilities(desc);
|
|
}
|
|
|
|
static int
|
|
has_pci_device(struct lscpu_desc *desc, unsigned int vendor, unsigned int device)
|
|
{
|
|
FILE *f;
|
|
unsigned int num, fn, ven, dev;
|
|
int res = 1;
|
|
|
|
f = ul_path_fopen(desc->procfs, "r", "bus/pci/devices");
|
|
if (!f)
|
|
return 0;
|
|
|
|
/* for more details about bus/pci/devices format see
|
|
* drivers/pci/proc.c in linux kernel
|
|
*/
|
|
while(fscanf(f, "%02x%02x\t%04x%04x\t%*[^\n]",
|
|
&num, &fn, &ven, &dev) == 4) {
|
|
|
|
if (ven == vendor && dev == device)
|
|
goto found;
|
|
}
|
|
|
|
res = 0;
|
|
found:
|
|
fclose(f);
|
|
return res;
|
|
}
|
|
|
|
#if defined(__x86_64__) || defined(__i386__)
|
|
|
|
/*
|
|
* This CPUID leaf returns the information about the hypervisor.
|
|
* EAX : maximum input value for CPUID supported by the hypervisor.
|
|
* EBX, ECX, EDX : Hypervisor vendor ID signature. E.g. VMwareVMware.
|
|
*/
|
|
#define HYPERVISOR_INFO_LEAF 0x40000000
|
|
|
|
static inline void
|
|
cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx,
|
|
unsigned int *ecx, unsigned int *edx)
|
|
{
|
|
__asm__(
|
|
#if defined(__PIC__) && defined(__i386__)
|
|
/* x86 PIC cannot clobber ebx -- gcc bitches */
|
|
"xchg %%ebx, %%esi;"
|
|
"cpuid;"
|
|
"xchg %%esi, %%ebx;"
|
|
: "=S" (*ebx),
|
|
#else
|
|
"cpuid;"
|
|
: "=b" (*ebx),
|
|
#endif
|
|
"=a" (*eax),
|
|
"=c" (*ecx),
|
|
"=d" (*edx)
|
|
: "1" (op), "c"(0));
|
|
}
|
|
|
|
static void
|
|
read_hypervisor_cpuid(struct lscpu_desc *desc)
|
|
{
|
|
unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0;
|
|
char hyper_vendor_id[13];
|
|
|
|
memset(hyper_vendor_id, 0, sizeof(hyper_vendor_id));
|
|
|
|
cpuid(HYPERVISOR_INFO_LEAF, &eax, &ebx, &ecx, &edx);
|
|
memcpy(hyper_vendor_id + 0, &ebx, 4);
|
|
memcpy(hyper_vendor_id + 4, &ecx, 4);
|
|
memcpy(hyper_vendor_id + 8, &edx, 4);
|
|
hyper_vendor_id[12] = '\0';
|
|
|
|
if (!hyper_vendor_id[0])
|
|
return;
|
|
|
|
if (!strncmp("XenVMMXenVMM", hyper_vendor_id, 12))
|
|
desc->hyper = HYPER_XEN;
|
|
else if (!strncmp("KVMKVMKVM", hyper_vendor_id, 9))
|
|
desc->hyper = HYPER_KVM;
|
|
else if (!strncmp("Microsoft Hv", hyper_vendor_id, 12))
|
|
desc->hyper = HYPER_MSHV;
|
|
else if (!strncmp("VMwareVMware", hyper_vendor_id, 12))
|
|
desc->hyper = HYPER_VMWARE;
|
|
else if (!strncmp("UnisysSpar64", hyper_vendor_id, 12))
|
|
desc->hyper = HYPER_SPAR;
|
|
}
|
|
|
|
#else /* ! (__x86_64__ || __i386__) */
|
|
static void
|
|
read_hypervisor_cpuid(struct lscpu_desc *desc __attribute__((__unused__)))
|
|
{
|
|
}
|
|
#endif
|
|
|
|
static int is_devtree_compatible(struct lscpu_desc *desc, const char *str)
|
|
{
|
|
FILE *fd = ul_path_fopen(desc->procfs, "r", "device-tree/compatible");
|
|
|
|
if (fd) {
|
|
char buf[256];
|
|
size_t i, len;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
len = fread(buf, 1, sizeof(buf) - 1, fd);
|
|
fclose(fd);
|
|
|
|
for (i = 0; i < len;) {
|
|
if (!strcmp(&buf[i], str))
|
|
return 1;
|
|
i += strlen(&buf[i]);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
read_hypervisor_powerpc(struct lscpu_desc *desc)
|
|
{
|
|
assert(!desc->hyper);
|
|
|
|
/* IBM iSeries: legacy, para-virtualized on top of OS/400 */
|
|
if (ul_path_access(desc->procfs, F_OK, "iSeries") == 0) {
|
|
desc->hyper = HYPER_OS400;
|
|
desc->virtype = VIRT_PARA;
|
|
|
|
/* PowerNV (POWER Non-Virtualized, bare-metal) */
|
|
} else if (is_devtree_compatible(desc, "ibm,powernv")) {
|
|
desc->hyper = HYPER_NONE;
|
|
desc->virtype = VIRT_NONE;
|
|
|
|
/* PowerVM (IBM's proprietary hypervisor, aka pHyp) */
|
|
} else if (ul_path_access(desc->procfs, F_OK, "device-tree/ibm,partition-name") == 0
|
|
&& ul_path_access(desc->procfs, F_OK, "device-tree/hmc-managed?") == 0
|
|
&& ul_path_access(desc->procfs, F_OK, "device-tree/chosen/qemu,graphic-width") != 0) {
|
|
|
|
FILE *fd;
|
|
desc->hyper = HYPER_PHYP;
|
|
desc->virtype = VIRT_PARA;
|
|
|
|
fd = ul_path_fopen(desc->procfs, "r", "device-tree/ibm,partition-name");
|
|
if (fd) {
|
|
char buf[256];
|
|
if (fscanf(fd, "%255s", buf) == 1 && !strcmp(buf, "full"))
|
|
desc->virtype = VIRT_NONE;
|
|
fclose(fd);
|
|
}
|
|
|
|
/* Qemu */
|
|
} else if (is_devtree_compatible(desc, "qemu,pseries")) {
|
|
desc->hyper = HYPER_KVM;
|
|
desc->virtype = VIRT_PARA;
|
|
}
|
|
return desc->hyper;
|
|
}
|
|
|
|
#ifdef INCLUDE_VMWARE_BDOOR
|
|
|
|
#define VMWARE_BDOOR_MAGIC 0x564D5868
|
|
#define VMWARE_BDOOR_PORT 0x5658
|
|
#define VMWARE_BDOOR_CMD_GETVERSION 10
|
|
|
|
static UL_ASAN_BLACKLIST
|
|
void vmware_bdoor(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
|
|
{
|
|
__asm__(
|
|
#if defined(__PIC__) && defined(__i386__)
|
|
/* x86 PIC cannot clobber ebx -- gcc bitches */
|
|
"xchg %%ebx, %%esi;"
|
|
"inl (%%dx), %%eax;"
|
|
"xchg %%esi, %%ebx;"
|
|
: "=S" (*ebx),
|
|
#else
|
|
"inl (%%dx), %%eax;"
|
|
: "=b" (*ebx),
|
|
#endif
|
|
"=a" (*eax),
|
|
"=c" (*ecx),
|
|
"=d" (*edx)
|
|
: "0" (VMWARE_BDOOR_MAGIC),
|
|
"1" (VMWARE_BDOOR_CMD_GETVERSION),
|
|
"2" (VMWARE_BDOOR_PORT),
|
|
"3" (0)
|
|
: "memory");
|
|
}
|
|
|
|
static jmp_buf segv_handler_env;
|
|
|
|
static void
|
|
segv_handler(__attribute__((__unused__)) int sig,
|
|
__attribute__((__unused__)) siginfo_t *info,
|
|
__attribute__((__unused__)) void *ignored)
|
|
{
|
|
siglongjmp(segv_handler_env, 1);
|
|
}
|
|
|
|
static int
|
|
is_vmware_platform(void)
|
|
{
|
|
uint32_t eax, ebx, ecx, edx;
|
|
struct sigaction act, oact;
|
|
|
|
/*
|
|
* FIXME: Not reliable for non-root users. Note it works as expected if
|
|
* vmware_bdoor() is not optimized for PIE, but then it fails to build
|
|
* on 32bit x86 systems. See lscpu git log for more details (commit
|
|
* 7845b91dbc7690064a2be6df690e4aaba728fb04). kzak [3-Nov-2016]
|
|
*/
|
|
if (getuid() != 0)
|
|
return 0;
|
|
|
|
/*
|
|
* The assembly routine for vmware detection works
|
|
* fine under vmware, even if ran as regular user. But
|
|
* on real HW or under other hypervisors, it segfaults (which is
|
|
* expected). So we temporarily install SIGSEGV handler to catch
|
|
* the signal. All this magic is needed because lscpu
|
|
* isn't supposed to require root privileges.
|
|
*/
|
|
if (sigsetjmp(segv_handler_env, 1))
|
|
return 0;
|
|
|
|
memset(&act, 0, sizeof(act));
|
|
act.sa_sigaction = segv_handler;
|
|
act.sa_flags = SA_SIGINFO;
|
|
|
|
if (sigaction(SIGSEGV, &act, &oact))
|
|
err(EXIT_FAILURE, _("cannot set signal handler"));
|
|
|
|
vmware_bdoor(&eax, &ebx, &ecx, &edx);
|
|
|
|
if (sigaction(SIGSEGV, &oact, NULL))
|
|
err(EXIT_FAILURE, _("cannot restore signal handler"));
|
|
|
|
return eax != (uint32_t)-1 && ebx == VMWARE_BDOOR_MAGIC;
|
|
}
|
|
|
|
#else /* ! INCLUDE_VMWARE_BDOOR */
|
|
|
|
static int
|
|
is_vmware_platform(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif /* INCLUDE_VMWARE_BDOOR */
|
|
|
|
static void
|
|
read_hypervisor(struct lscpu_desc *desc, struct lscpu_modifier *mod)
|
|
{
|
|
FILE *fd;
|
|
|
|
/* We have to detect WSL first. is_vmware_platform() crashes on Windows 10. */
|
|
|
|
if ((fd = ul_path_fopen(desc->procfs, "r", "sys/kernel/osrelease"))) {
|
|
char buf[256];
|
|
|
|
if (fgets(buf, sizeof(buf), fd) != NULL) {
|
|
if (strstr(buf, "Microsoft")) {
|
|
desc->hyper = HYPER_WSL;
|
|
desc->virtype = VIRT_CONT;
|
|
}
|
|
}
|
|
fclose(fd);
|
|
if (desc->virtype)
|
|
return;
|
|
}
|
|
|
|
if (mod->system != SYSTEM_SNAPSHOT) {
|
|
read_hypervisor_cpuid(desc);
|
|
if (!desc->hyper)
|
|
desc->hyper = read_hypervisor_dmi();
|
|
if (!desc->hyper && is_vmware_platform())
|
|
desc->hyper = HYPER_VMWARE;
|
|
}
|
|
|
|
if (desc->hyper) {
|
|
desc->virtype = VIRT_FULL;
|
|
|
|
if (desc->hyper == HYPER_XEN) {
|
|
uint32_t features;
|
|
|
|
fd = ul_prefix_fopen(desc->prefix, "r", _PATH_SYS_HYP_FEATURES);
|
|
|
|
if (fd && fscanf(fd, "%x", &features) == 1) {
|
|
/* Xen PV domain */
|
|
if (features & XEN_FEATURES_PV_MASK)
|
|
desc->virtype = VIRT_PARA;
|
|
/* Xen PVH domain */
|
|
else if ((features & XEN_FEATURES_PVH_MASK)
|
|
== XEN_FEATURES_PVH_MASK)
|
|
desc->virtype = VIRT_PARA;
|
|
}
|
|
if (fd)
|
|
fclose(fd);
|
|
}
|
|
} else if (read_hypervisor_powerpc(desc) > 0) {
|
|
/* read_hypervisor_powerpc() sets all necessary stuff to @desc */
|
|
;
|
|
/* Xen para-virt or dom0 */
|
|
} else if (ul_path_access(desc->procfs, F_OK, "xen") == 0) {
|
|
int dom0 = 0;
|
|
|
|
fd = ul_path_fopen(desc->procfs, "r", "xen/capabilities");
|
|
if (fd) {
|
|
char buf[256];
|
|
|
|
if (fscanf(fd, "%255s", buf) == 1 &&
|
|
!strcmp(buf, "control_d"))
|
|
dom0 = 1;
|
|
fclose(fd);
|
|
}
|
|
desc->virtype = dom0 ? VIRT_NONE : VIRT_PARA;
|
|
desc->hyper = HYPER_XEN;
|
|
|
|
/* Xen full-virt on non-x86_64 */
|
|
} else if (has_pci_device(desc, hv_vendor_pci[HYPER_XEN], hv_graphics_pci[HYPER_XEN])) {
|
|
desc->hyper = HYPER_XEN;
|
|
desc->virtype = VIRT_FULL;
|
|
} else if (has_pci_device(desc, hv_vendor_pci[HYPER_VMWARE], hv_graphics_pci[HYPER_VMWARE])) {
|
|
desc->hyper = HYPER_VMWARE;
|
|
desc->virtype = VIRT_FULL;
|
|
} else if (has_pci_device(desc, hv_vendor_pci[HYPER_VBOX], hv_graphics_pci[HYPER_VBOX])) {
|
|
desc->hyper = HYPER_VBOX;
|
|
desc->virtype = VIRT_FULL;
|
|
|
|
/* IBM PR/SM */
|
|
} else if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) {
|
|
char buf[BUFSIZ];
|
|
|
|
desc->hyper = HYPER_IBM;
|
|
desc->hypervisor = "PR/SM";
|
|
desc->virtype = VIRT_FULL;
|
|
while (fgets(buf, sizeof(buf), fd) != NULL) {
|
|
char *str, *p;
|
|
|
|
if (!strstr(buf, "Control Program:"))
|
|
continue;
|
|
if (!strstr(buf, "KVM"))
|
|
desc->hyper = HYPER_IBM;
|
|
else
|
|
desc->hyper = HYPER_KVM;
|
|
p = strchr(buf, ':');
|
|
if (!p)
|
|
continue;
|
|
xasprintf(&str, "%s", p + 1);
|
|
|
|
/* remove leading, trailing and repeating whitespace */
|
|
while (*str == ' ')
|
|
str++;
|
|
desc->hypervisor = str;
|
|
str += strlen(str) - 1;
|
|
while ((*str == '\n') || (*str == ' '))
|
|
*(str--) = '\0';
|
|
while ((str = strstr(desc->hypervisor, " ")))
|
|
memmove(str, str + 1, strlen(str));
|
|
break;
|
|
}
|
|
fclose(fd);
|
|
}
|
|
|
|
/* OpenVZ/Virtuozzo - /proc/vz dir should exist
|
|
* /proc/bc should not */
|
|
else if (ul_path_access(desc->procfs, F_OK, "vz") == 0 &&
|
|
ul_path_access(desc->procfs, F_OK, "bc") != 0) {
|
|
desc->hyper = HYPER_PARALLELS;
|
|
desc->virtype = VIRT_CONT;
|
|
|
|
/* IBM */
|
|
} else if (desc->vendor &&
|
|
(strcmp(desc->vendor, "PowerVM Lx86") == 0 ||
|
|
strcmp(desc->vendor, "IBM/S390") == 0)) {
|
|
desc->hyper = HYPER_IBM;
|
|
desc->virtype = VIRT_FULL;
|
|
|
|
/* User-mode-linux */
|
|
} else if (desc->modelname && strstr(desc->modelname, "UML")) {
|
|
desc->hyper = HYPER_UML;
|
|
desc->virtype = VIRT_PARA;
|
|
|
|
/* Linux-VServer */
|
|
} else if ((fd = ul_path_fopen(desc->procfs, "r", "self/status"))) {
|
|
char buf[BUFSIZ];
|
|
char *val = NULL;
|
|
|
|
while (fgets(buf, sizeof(buf), fd) != NULL) {
|
|
if (lookup(buf, "VxID", &val))
|
|
break;
|
|
}
|
|
fclose(fd);
|
|
|
|
if (val) {
|
|
char *org = val;
|
|
|
|
while (isdigit(*val))
|
|
++val;
|
|
if (!*val) {
|
|
desc->hyper = HYPER_VSERVER;
|
|
desc->virtype = VIRT_CONT;
|
|
}
|
|
free(org);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* add @set to the @ary, unnecessary set is deallocated. */
|
|
static int add_cpuset_to_array(cpu_set_t **ary, int *items, cpu_set_t *set)
|
|
{
|
|
int i;
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
if (!ary)
|
|
return -1;
|
|
|
|
for (i = 0; i < *items; i++) {
|
|
if (CPU_EQUAL_S(setsize, set, ary[i]))
|
|
break;
|
|
}
|
|
if (i == *items) {
|
|
ary[*items] = set;
|
|
++*items;
|
|
return 0;
|
|
}
|
|
CPU_FREE(set);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
read_topology(struct lscpu_desc *desc, int idx)
|
|
{
|
|
cpu_set_t *thread_siblings, *core_siblings;
|
|
cpu_set_t *book_siblings, *drawer_siblings;
|
|
int coreid, socketid, bookid, drawerid;
|
|
int i, num = real_cpu_num(desc, idx);
|
|
|
|
if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/topology/thread_siblings", num) != 0)
|
|
return;
|
|
|
|
ul_path_readf_cpuset(desc->syscpu, &thread_siblings, maxcpus,
|
|
"cpu%d/topology/thread_siblings", num);
|
|
ul_path_readf_cpuset(desc->syscpu, &core_siblings, maxcpus,
|
|
"cpu%d/topology/core_siblings", num);
|
|
ul_path_readf_cpuset(desc->syscpu, &book_siblings, maxcpus,
|
|
"cpu%d/topology/book_siblings", num);
|
|
ul_path_readf_cpuset(desc->syscpu, &drawer_siblings, maxcpus,
|
|
"cpu%d/topology/drawer_siblings", num);
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &coreid, "cpu%d/topology/core_id", num) != 0)
|
|
coreid = -1;
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &socketid, "cpu%d/topology/physical_package_id", num) != 0)
|
|
socketid = -1;
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &bookid, "cpu%d/topology/book_id", num) != 0)
|
|
bookid = -1;
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &drawerid, "cpu%d/topology/drawer_id", num) != 0)
|
|
drawerid = -1;
|
|
|
|
if (!desc->coremaps) {
|
|
int ndrawers, nbooks, nsockets, ncores, nthreads;
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
/* threads within one core */
|
|
nthreads = CPU_COUNT_S(setsize, thread_siblings);
|
|
if (!nthreads)
|
|
nthreads = 1;
|
|
|
|
/* cores within one socket */
|
|
ncores = CPU_COUNT_S(setsize, core_siblings) / nthreads;
|
|
if (!ncores)
|
|
ncores = 1;
|
|
|
|
/* number of sockets within one book. Because of odd /
|
|
* non-present cpu maps and to keep calculation easy we make
|
|
* sure that nsockets and nbooks is at least 1.
|
|
*/
|
|
nsockets = desc->ncpus / nthreads / ncores;
|
|
if (!nsockets)
|
|
nsockets = 1;
|
|
|
|
/* number of books */
|
|
nbooks = desc->ncpus / nthreads / ncores / nsockets;
|
|
if (!nbooks)
|
|
nbooks = 1;
|
|
|
|
/* number of drawers */
|
|
ndrawers = desc->ncpus / nbooks / nthreads / ncores / nsockets;
|
|
if (!ndrawers)
|
|
ndrawers = 1;
|
|
|
|
/* all threads, see also read_basicinfo()
|
|
* -- fallback for kernels without
|
|
* /sys/devices/system/cpu/online.
|
|
*/
|
|
if (!desc->nthreads)
|
|
desc->nthreads = ndrawers * nbooks * nsockets * ncores * nthreads;
|
|
|
|
/* For each map we make sure that it can have up to ncpuspos
|
|
* entries. This is because we cannot reliably calculate the
|
|
* number of cores, sockets and books on all architectures.
|
|
* E.g. completely virtualized architectures like s390 may
|
|
* have multiple sockets of different sizes.
|
|
*/
|
|
desc->coremaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *));
|
|
desc->socketmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *));
|
|
desc->coreids = xcalloc(desc->ncpuspos, sizeof(*desc->coreids));
|
|
desc->socketids = xcalloc(desc->ncpuspos, sizeof(*desc->socketids));
|
|
|
|
for (i = 0; i < desc->ncpuspos; i++)
|
|
desc->coreids[i] = desc->socketids[i] = -1;
|
|
|
|
if (book_siblings) {
|
|
desc->bookmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *));
|
|
desc->bookids = xcalloc(desc->ncpuspos, sizeof(*desc->bookids));
|
|
for (i = 0; i < desc->ncpuspos; i++)
|
|
desc->bookids[i] = -1;
|
|
}
|
|
if (drawer_siblings) {
|
|
desc->drawermaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *));
|
|
desc->drawerids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids));
|
|
for (i = 0; i < desc->ncpuspos; i++)
|
|
desc->drawerids[i] = -1;
|
|
}
|
|
}
|
|
|
|
add_cpuset_to_array(desc->socketmaps, &desc->nsockets, core_siblings);
|
|
desc->coreids[idx] = coreid;
|
|
add_cpuset_to_array(desc->coremaps, &desc->ncores, thread_siblings);
|
|
desc->socketids[idx] = socketid;
|
|
|
|
if (book_siblings && desc->bookmaps && desc->bookids) {
|
|
add_cpuset_to_array(desc->bookmaps, &desc->nbooks, book_siblings);
|
|
desc->bookids[idx] = bookid;
|
|
}
|
|
if (drawer_siblings && desc->drawermaps && desc->drawerids) {
|
|
add_cpuset_to_array(desc->drawermaps, &desc->ndrawers, drawer_siblings);
|
|
desc->drawerids[idx] = drawerid;
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_polarization(struct lscpu_desc *desc, int idx)
|
|
{
|
|
char mode[64];
|
|
int num = real_cpu_num(desc, idx);
|
|
|
|
if (desc->dispatching < 0)
|
|
return;
|
|
if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/polarization", num) != 0)
|
|
return;
|
|
if (!desc->polarization)
|
|
desc->polarization = xcalloc(desc->ncpuspos, sizeof(int));
|
|
|
|
ul_path_readf_buffer(desc->syscpu, mode, sizeof(mode), "cpu%d/polarization", num);
|
|
|
|
if (strncmp(mode, "vertical:low", sizeof(mode)) == 0)
|
|
desc->polarization[idx] = POLAR_VLOW;
|
|
else if (strncmp(mode, "vertical:medium", sizeof(mode)) == 0)
|
|
desc->polarization[idx] = POLAR_VMEDIUM;
|
|
else if (strncmp(mode, "vertical:high", sizeof(mode)) == 0)
|
|
desc->polarization[idx] = POLAR_VHIGH;
|
|
else if (strncmp(mode, "horizontal", sizeof(mode)) == 0)
|
|
desc->polarization[idx] = POLAR_HORIZONTAL;
|
|
else
|
|
desc->polarization[idx] = POLAR_UNKNOWN;
|
|
}
|
|
|
|
static void
|
|
read_address(struct lscpu_desc *desc, int idx)
|
|
{
|
|
int num = real_cpu_num(desc, idx);
|
|
|
|
if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/address", num) != 0)
|
|
return;
|
|
if (!desc->addresses)
|
|
desc->addresses = xcalloc(desc->ncpuspos, sizeof(int));
|
|
ul_path_readf_s32(desc->syscpu, &desc->addresses[idx], "cpu%d/address", num);
|
|
}
|
|
|
|
static void
|
|
read_configured(struct lscpu_desc *desc, int idx)
|
|
{
|
|
int num = real_cpu_num(desc, idx);
|
|
|
|
if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/configure", num) != 0)
|
|
return;
|
|
if (!desc->configured)
|
|
desc->configured = xcalloc(desc->ncpuspos, sizeof(int));
|
|
ul_path_readf_s32(desc->syscpu, &desc->configured[idx], "cpu%d/configure", num);
|
|
}
|
|
|
|
/* Read overall maximum frequency of cpu */
|
|
static char *
|
|
cpu_max_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz)
|
|
{
|
|
int i;
|
|
float cpu_freq = 0.0;
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
if (desc->present) {
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present)
|
|
&& desc->maxmhz[i]) {
|
|
float freq = atof(desc->maxmhz[i]);
|
|
|
|
if (freq > cpu_freq)
|
|
cpu_freq = freq;
|
|
}
|
|
}
|
|
}
|
|
snprintf(buf, bufsz, "%.4f", cpu_freq);
|
|
return buf;
|
|
}
|
|
|
|
/* Read overall minimum frequency of cpu */
|
|
static char *
|
|
cpu_min_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz)
|
|
{
|
|
int i;
|
|
float cpu_freq = -1.0;
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
if (desc->present) {
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present)
|
|
&& desc->minmhz[i]) {
|
|
float freq = atof(desc->minmhz[i]);
|
|
|
|
if (cpu_freq < 0.0 || freq < cpu_freq)
|
|
cpu_freq = freq;
|
|
}
|
|
}
|
|
}
|
|
snprintf(buf, bufsz, "%.4f", cpu_freq);
|
|
return buf;
|
|
}
|
|
|
|
|
|
static void
|
|
read_max_mhz(struct lscpu_desc *desc, int idx)
|
|
{
|
|
int num = real_cpu_num(desc, idx);
|
|
int mhz;
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_max_freq", num) != 0)
|
|
return;
|
|
if (!desc->maxmhz)
|
|
desc->maxmhz = xcalloc(desc->ncpuspos, sizeof(char *));
|
|
xasprintf(&desc->maxmhz[idx], "%.4f", (float) mhz / 1000);
|
|
}
|
|
|
|
static void
|
|
read_min_mhz(struct lscpu_desc *desc, int idx)
|
|
{
|
|
int num = real_cpu_num(desc, idx);
|
|
int mhz;
|
|
|
|
if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_min_freq", num) != 0)
|
|
return;
|
|
if (!desc->minmhz)
|
|
desc->minmhz = xcalloc(desc->ncpuspos, sizeof(char *));
|
|
xasprintf(&desc->minmhz[idx], "%.4f", (float) mhz / 1000);
|
|
}
|
|
|
|
static int
|
|
cachecmp(const void *a, const void *b)
|
|
{
|
|
struct cpu_cache *c1 = (struct cpu_cache *) a;
|
|
struct cpu_cache *c2 = (struct cpu_cache *) b;
|
|
|
|
return strcmp(c2->name, c1->name);
|
|
}
|
|
|
|
static void
|
|
read_cache(struct lscpu_desc *desc, int idx)
|
|
{
|
|
char buf[256];
|
|
int i;
|
|
int num = real_cpu_num(desc, idx);
|
|
|
|
if (!desc->ncaches) {
|
|
while (ul_path_accessf(desc->syscpu, F_OK,
|
|
"cpu%d/cache/index%d",
|
|
num, desc->ncaches) == 0)
|
|
desc->ncaches++;
|
|
|
|
if (!desc->ncaches)
|
|
return;
|
|
desc->caches = xcalloc(desc->ncaches, sizeof(*desc->caches));
|
|
}
|
|
for (i = 0; i < desc->ncaches; i++) {
|
|
struct cpu_cache *ca = &desc->caches[i];
|
|
cpu_set_t *map;
|
|
|
|
if (ul_path_accessf(desc->syscpu, F_OK,
|
|
"cpu%d/cache/index%d", num, i) != 0)
|
|
continue;
|
|
if (!ca->name) {
|
|
int type = 0;
|
|
|
|
/* cache type */
|
|
if (ul_path_readf_string(desc->syscpu, &ca->type,
|
|
"cpu%d/cache/index%d/type", num, i) > 0) {
|
|
if (!strcmp(ca->type, "Data"))
|
|
type = 'd';
|
|
else if (!strcmp(ca->type, "Instruction"))
|
|
type = 'i';
|
|
}
|
|
|
|
/* cache level */
|
|
ul_path_readf_s32(desc->syscpu, &ca->level,
|
|
"cpu%d/cache/index%d/level", num, i);
|
|
if (type)
|
|
snprintf(buf, sizeof(buf), "L%d%c", ca->level, type);
|
|
else
|
|
snprintf(buf, sizeof(buf), "L%d", ca->level);
|
|
|
|
ca->name = xstrdup(buf);
|
|
|
|
ul_path_readf_u32(desc->syscpu, &ca->ways_of_associativity,
|
|
"cpu%d/cache/index%d/ways_of_associativity", num, i);
|
|
ul_path_readf_u32(desc->syscpu, &ca->physical_line_partition,
|
|
"cpu%d/cache/index%d/physical_line_partition", num, i);
|
|
ul_path_readf_u32(desc->syscpu, &ca->number_of_sets,
|
|
"cpu%d/cache/index%d/number_of_sets", num, i);
|
|
ul_path_readf_u32(desc->syscpu, &ca->coherency_line_size,
|
|
"cpu%d/cache/index%d/coherency_line_size", num, i);
|
|
|
|
ul_path_readf_string(desc->syscpu, &ca->allocation_policy,
|
|
"cpu%d/cache/index%d/allocation_policy", num, i);
|
|
ul_path_readf_string(desc->syscpu, &ca->write_policy,
|
|
"cpu%d/cache/index%d/write_policy", num, i);
|
|
|
|
/* cache size */
|
|
if (ul_path_readf_buffer(desc->syscpu, buf, sizeof(buf),
|
|
"cpu%d/cache/index%d/size", num, i) > 0)
|
|
parse_size(buf, &ca->size, NULL);
|
|
else
|
|
ca->size = 0;
|
|
}
|
|
|
|
/* information about how CPUs share different caches */
|
|
ul_path_readf_cpuset(desc->syscpu, &map, maxcpus,
|
|
"cpu%d/cache/index%d/shared_cpu_map", num, i);
|
|
|
|
if (!ca->sharedmaps)
|
|
ca->sharedmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *));
|
|
add_cpuset_to_array(ca->sharedmaps, &ca->nsharedmaps, map);
|
|
}
|
|
}
|
|
|
|
static inline int is_node_dirent(struct dirent *d)
|
|
{
|
|
return
|
|
d &&
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
(d->d_type == DT_DIR || d->d_type == DT_UNKNOWN) &&
|
|
#endif
|
|
strncmp(d->d_name, "node", 4) == 0 &&
|
|
isdigit_string(d->d_name + 4);
|
|
}
|
|
|
|
static int
|
|
nodecmp(const void *ap, const void *bp)
|
|
{
|
|
int *a = (int *) ap, *b = (int *) bp;
|
|
return *a - *b;
|
|
}
|
|
|
|
static void
|
|
read_nodes(struct lscpu_desc *desc)
|
|
{
|
|
int i = 0;
|
|
DIR *dir;
|
|
struct dirent *d;
|
|
struct path_cxt *sysnode;
|
|
|
|
desc->nnodes = 0;
|
|
|
|
sysnode = ul_new_path(_PATH_SYS_NODE);
|
|
if (!sysnode)
|
|
err(EXIT_FAILURE, _("failed to initialize %s handler"), _PATH_SYS_NODE);
|
|
ul_path_set_prefix(sysnode, desc->prefix);
|
|
|
|
dir = ul_path_opendir(sysnode, NULL);
|
|
if (!dir)
|
|
goto done;
|
|
|
|
while ((d = readdir(dir))) {
|
|
if (is_node_dirent(d))
|
|
desc->nnodes++;
|
|
}
|
|
|
|
if (!desc->nnodes) {
|
|
closedir(dir);
|
|
goto done;
|
|
}
|
|
|
|
desc->nodemaps = xcalloc(desc->nnodes, sizeof(cpu_set_t *));
|
|
desc->idx2nodenum = xmalloc(desc->nnodes * sizeof(int));
|
|
|
|
rewinddir(dir);
|
|
while ((d = readdir(dir)) && i < desc->nnodes) {
|
|
if (is_node_dirent(d))
|
|
desc->idx2nodenum[i++] = strtol_or_err(((d->d_name) + 4),
|
|
_("Failed to extract the node number"));
|
|
}
|
|
closedir(dir);
|
|
qsort(desc->idx2nodenum, desc->nnodes, sizeof(int), nodecmp);
|
|
|
|
/* information about how nodes share different CPUs */
|
|
for (i = 0; i < desc->nnodes; i++)
|
|
ul_path_readf_cpuset(sysnode, &desc->nodemaps[i], maxcpus,
|
|
"node%d/cpumap", desc->idx2nodenum[i]);
|
|
done:
|
|
ul_unref_path(sysnode);
|
|
}
|
|
|
|
static char *
|
|
get_cell_data(struct lscpu_desc *desc, int idx, int col,
|
|
struct lscpu_modifier *mod,
|
|
char *buf, size_t bufsz)
|
|
{
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
size_t i;
|
|
int cpu = real_cpu_num(desc, idx);
|
|
|
|
*buf = '\0';
|
|
|
|
switch (col) {
|
|
case COL_CPU_CPU:
|
|
snprintf(buf, bufsz, "%d", cpu);
|
|
break;
|
|
case COL_CPU_CORE:
|
|
if (mod->physical) {
|
|
if (desc->coreids[idx] == -1)
|
|
snprintf(buf, bufsz, "-");
|
|
else
|
|
snprintf(buf, bufsz, "%d", desc->coreids[idx]);
|
|
} else {
|
|
if (cpuset_ary_isset(cpu, desc->coremaps,
|
|
desc->ncores, setsize, &i) == 0)
|
|
snprintf(buf, bufsz, "%zu", i);
|
|
}
|
|
break;
|
|
case COL_CPU_SOCKET:
|
|
if (mod->physical) {
|
|
if (desc->socketids[idx] == -1)
|
|
snprintf(buf, bufsz, "-");
|
|
else
|
|
snprintf(buf, bufsz, "%d", desc->socketids[idx]);
|
|
} else {
|
|
if (cpuset_ary_isset(cpu, desc->socketmaps,
|
|
desc->nsockets, setsize, &i) == 0)
|
|
snprintf(buf, bufsz, "%zu", i);
|
|
}
|
|
break;
|
|
case COL_CPU_NODE:
|
|
if (cpuset_ary_isset(cpu, desc->nodemaps,
|
|
desc->nnodes, setsize, &i) == 0)
|
|
snprintf(buf, bufsz, "%d", desc->idx2nodenum[i]);
|
|
break;
|
|
case COL_CPU_DRAWER:
|
|
if (!desc->drawerids || !desc->drawermaps)
|
|
break;
|
|
if (mod->physical) {
|
|
if (desc->drawerids[idx] == -1)
|
|
snprintf(buf, bufsz, "-");
|
|
else
|
|
snprintf(buf, bufsz, "%d", desc->drawerids[idx]);
|
|
} else {
|
|
if (cpuset_ary_isset(cpu, desc->drawermaps,
|
|
desc->ndrawers, setsize, &i) == 0)
|
|
snprintf(buf, bufsz, "%zu", i);
|
|
}
|
|
break;
|
|
case COL_CPU_BOOK:
|
|
if (!desc->bookids || !desc->bookmaps)
|
|
break;
|
|
if (mod->physical) {
|
|
if (desc->bookids[idx] == -1)
|
|
snprintf(buf, bufsz, "-");
|
|
else
|
|
snprintf(buf, bufsz, "%d", desc->bookids[idx]);
|
|
} else {
|
|
if (cpuset_ary_isset(cpu, desc->bookmaps,
|
|
desc->nbooks, setsize, &i) == 0)
|
|
snprintf(buf, bufsz, "%zu", i);
|
|
}
|
|
break;
|
|
case COL_CPU_CACHE:
|
|
{
|
|
char *p = buf;
|
|
size_t sz = bufsz;
|
|
int j;
|
|
|
|
for (j = desc->ncaches - 1; j >= 0; j--) {
|
|
struct cpu_cache *ca = &desc->caches[j];
|
|
|
|
if (cpuset_ary_isset(cpu, ca->sharedmaps,
|
|
ca->nsharedmaps, setsize, &i) == 0) {
|
|
int x = snprintf(p, sz, "%zu", i);
|
|
if (x < 0 || (size_t) x >= sz)
|
|
return NULL;
|
|
p += x;
|
|
sz -= x;
|
|
}
|
|
if (j != 0) {
|
|
if (sz < 2)
|
|
return NULL;
|
|
*p++ = mod->compat ? ',' : ':';
|
|
*p = '\0';
|
|
sz--;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case COL_CPU_POLARIZATION:
|
|
if (desc->polarization) {
|
|
int x = desc->polarization[idx];
|
|
|
|
snprintf(buf, bufsz, "%s",
|
|
mod->mode == OUTPUT_PARSABLE ?
|
|
polar_modes[x].parsable :
|
|
polar_modes[x].readable);
|
|
}
|
|
break;
|
|
case COL_CPU_ADDRESS:
|
|
if (desc->addresses)
|
|
snprintf(buf, bufsz, "%d", desc->addresses[idx]);
|
|
break;
|
|
case COL_CPU_CONFIGURED:
|
|
if (!desc->configured)
|
|
break;
|
|
if (mod->mode == OUTPUT_PARSABLE)
|
|
snprintf(buf, bufsz, "%s",
|
|
desc->configured[idx] ? _("Y") : _("N"));
|
|
else
|
|
snprintf(buf, bufsz, "%s",
|
|
desc->configured[idx] ? _("yes") : _("no"));
|
|
break;
|
|
case COL_CPU_ONLINE:
|
|
if (!desc->online)
|
|
break;
|
|
if (mod->mode == OUTPUT_PARSABLE)
|
|
snprintf(buf, bufsz, "%s",
|
|
is_cpu_online(desc, cpu) ? _("Y") : _("N"));
|
|
else
|
|
snprintf(buf, bufsz, "%s",
|
|
is_cpu_online(desc, cpu) ? _("yes") : _("no"));
|
|
break;
|
|
case COL_CPU_MAXMHZ:
|
|
if (desc->maxmhz && desc->maxmhz[idx])
|
|
xstrncpy(buf, desc->maxmhz[idx], bufsz);
|
|
break;
|
|
case COL_CPU_MINMHZ:
|
|
if (desc->minmhz && desc->minmhz[idx])
|
|
xstrncpy(buf, desc->minmhz[idx], bufsz);
|
|
break;
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
static char *
|
|
get_cell_header(struct lscpu_desc *desc, int col,
|
|
struct lscpu_modifier *mod,
|
|
char *buf, size_t bufsz)
|
|
{
|
|
*buf = '\0';
|
|
|
|
if (col == COL_CPU_CACHE) {
|
|
char *p = buf;
|
|
size_t sz = bufsz;
|
|
int i;
|
|
|
|
for (i = desc->ncaches - 1; i >= 0; i--) {
|
|
int x = snprintf(p, sz, "%s", desc->caches[i].name);
|
|
if (x < 0 || (size_t) x >= sz)
|
|
return NULL;
|
|
sz -= x;
|
|
p += x;
|
|
if (i > 0) {
|
|
if (sz < 2)
|
|
return NULL;
|
|
*p++ = mod->compat ? ',' : ':';
|
|
*p = '\0';
|
|
sz--;
|
|
}
|
|
}
|
|
if (desc->ncaches)
|
|
return buf;
|
|
}
|
|
snprintf(buf, bufsz, "%s", coldescs_cpu[col].name);
|
|
return buf;
|
|
}
|
|
|
|
/*
|
|
* [-C] backend
|
|
*/
|
|
static void
|
|
print_caches_readable(struct lscpu_desc *desc, int cols[], int ncols,
|
|
struct lscpu_modifier *mod)
|
|
{
|
|
int i;
|
|
struct libscols_table *table;
|
|
|
|
scols_init_debug(0);
|
|
|
|
table = scols_new_table();
|
|
if (!table)
|
|
err(EXIT_FAILURE, _("failed to allocate output table"));
|
|
if (mod->json) {
|
|
scols_table_enable_json(table, 1);
|
|
scols_table_set_name(table, "caches");
|
|
}
|
|
|
|
for (i = 0; i < ncols; i++) {
|
|
struct lscpu_coldesc *cd = &coldescs_cache[cols[i]];
|
|
if (!scols_table_new_column(table, cd->name, 0, cd->flags))
|
|
err(EXIT_FAILURE, _("failed to allocate output column"));
|
|
}
|
|
|
|
for (i = desc->ncaches - 1; i >= 0; i--) {
|
|
struct cpu_cache *ca = &desc->caches[i];
|
|
struct libscols_line *line;
|
|
int c;
|
|
|
|
line = scols_table_new_line(table, NULL);
|
|
if (!line)
|
|
err(EXIT_FAILURE, _("failed to allocate output line"));
|
|
|
|
for (c = 0; c < ncols; c++) {
|
|
char *data = NULL;
|
|
int col = cols[c];
|
|
|
|
switch (col) {
|
|
case COL_CACHE_NAME:
|
|
if (ca->name)
|
|
data = xstrdup(ca->name);
|
|
break;
|
|
case COL_CACHE_ONESIZE:
|
|
if (!ca->size)
|
|
break;
|
|
if (mod->bytes)
|
|
xasprintf(&data, "%" PRIu64, ca->size);
|
|
else
|
|
data = size_to_human_string(SIZE_SUFFIX_1LETTER, ca->size);
|
|
break;
|
|
case COL_CACHE_ALLSIZE:
|
|
{
|
|
uint64_t sz = 0;
|
|
|
|
if (get_cache_full_size(desc, ca, &sz) != 0)
|
|
break;
|
|
if (mod->bytes)
|
|
xasprintf(&data, "%" PRIu64, sz);
|
|
else
|
|
data = size_to_human_string(SIZE_SUFFIX_1LETTER, sz);
|
|
break;
|
|
}
|
|
case COL_CACHE_WAYS:
|
|
if (ca->ways_of_associativity)
|
|
xasprintf(&data, "%u", ca->ways_of_associativity);
|
|
break;
|
|
|
|
case COL_CACHE_TYPE:
|
|
if (ca->type)
|
|
data = xstrdup(ca->type);
|
|
break;
|
|
case COL_CACHE_LEVEL:
|
|
if (ca->level)
|
|
xasprintf(&data, "%d", ca->level);
|
|
break;
|
|
case COL_CACHE_ALLOCPOL:
|
|
if (ca->allocation_policy)
|
|
data = xstrdup(ca->allocation_policy);
|
|
break;
|
|
case COL_CACHE_WRITEPOL:
|
|
if (ca->write_policy)
|
|
data = xstrdup(ca->write_policy);
|
|
break;
|
|
case COL_CACHE_PHYLINE:
|
|
if (ca->physical_line_partition)
|
|
xasprintf(&data, "%u", ca->physical_line_partition);
|
|
break;
|
|
case COL_CACHE_SETS:
|
|
if (ca->number_of_sets)
|
|
xasprintf(&data, "%u", ca->number_of_sets);
|
|
break;
|
|
case COL_CACHE_COHERENCYSIZE:
|
|
if (ca->coherency_line_size)
|
|
xasprintf(&data, "%u", ca->coherency_line_size);
|
|
break;
|
|
}
|
|
|
|
if (data && scols_line_refer_data(line, c, data))
|
|
err(EXIT_FAILURE, _("failed to add output data"));
|
|
}
|
|
}
|
|
|
|
scols_print_table(table);
|
|
scols_unref_table(table);
|
|
}
|
|
|
|
/*
|
|
* [-p] backend, we support two parsable formats:
|
|
*
|
|
* 1) "compatible" -- this format is compatible with the original lscpu(1)
|
|
* output and it contains fixed set of the columns. The CACHE columns are at
|
|
* the end of the line and the CACHE is not printed if the number of the caches
|
|
* is zero. The CACHE columns are separated by two commas, for example:
|
|
*
|
|
* $ lscpu --parse
|
|
* # CPU,Core,Socket,Node,,L1d,L1i,L2
|
|
* 0,0,0,0,,0,0,0
|
|
* 1,1,0,0,,1,1,0
|
|
*
|
|
* 2) "user defined output" -- this format prints always all columns without
|
|
* special prefix for CACHE column. If there are not CACHEs then the column is
|
|
* empty and the header "Cache" is printed rather than a real name of the cache.
|
|
* The CACHE columns are separated by ':'.
|
|
*
|
|
* $ lscpu --parse=CPU,CORE,SOCKET,NODE,CACHE
|
|
* # CPU,Core,Socket,Node,L1d:L1i:L2
|
|
* 0,0,0,0,0:0:0
|
|
* 1,1,0,0,1:1:0
|
|
*/
|
|
static void
|
|
print_cpus_parsable(struct lscpu_desc *desc, int cols[], int ncols,
|
|
struct lscpu_modifier *mod)
|
|
{
|
|
char buf[BUFSIZ], *data;
|
|
int i;
|
|
|
|
/*
|
|
* Header
|
|
*/
|
|
printf(_(
|
|
"# The following is the parsable format, which can be fed to other\n"
|
|
"# programs. Each different item in every column has an unique ID\n"
|
|
"# starting from zero.\n"));
|
|
|
|
fputs("# ", stdout);
|
|
for (i = 0; i < ncols; i++) {
|
|
int col = cols[i];
|
|
|
|
if (col == COL_CPU_CACHE) {
|
|
if (mod->compat && !desc->ncaches)
|
|
continue;
|
|
if (mod->compat && i != 0)
|
|
putchar(',');
|
|
}
|
|
if (i > 0)
|
|
putchar(',');
|
|
|
|
data = get_cell_header(desc, col, mod, buf, sizeof(buf));
|
|
|
|
if (data && * data && col != COL_CPU_CACHE &&
|
|
!coldescs_cpu[col].is_abbr) {
|
|
/*
|
|
* For normal column names use mixed case (e.g. "Socket")
|
|
*/
|
|
char *p = data + 1;
|
|
|
|
while (p && *p != '\0') {
|
|
*p = tolower((unsigned int) *p);
|
|
p++;
|
|
}
|
|
}
|
|
fputs(data && *data ? data : "", stdout);
|
|
}
|
|
putchar('\n');
|
|
|
|
/*
|
|
* Data
|
|
*/
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
int c;
|
|
int cpu = real_cpu_num(desc, i);
|
|
|
|
if (desc->online) {
|
|
if (!mod->offline && !is_cpu_online(desc, cpu))
|
|
continue;
|
|
if (!mod->online && is_cpu_online(desc, cpu))
|
|
continue;
|
|
}
|
|
if (desc->present && !is_cpu_present(desc, cpu))
|
|
continue;
|
|
for (c = 0; c < ncols; c++) {
|
|
if (mod->compat && cols[c] == COL_CPU_CACHE) {
|
|
if (!desc->ncaches)
|
|
continue;
|
|
if (c > 0)
|
|
putchar(',');
|
|
}
|
|
if (c > 0)
|
|
putchar(',');
|
|
|
|
data = get_cell_data(desc, i, cols[c], mod,
|
|
buf, sizeof(buf));
|
|
fputs(data && *data ? data : "", stdout);
|
|
*buf = '\0';
|
|
}
|
|
putchar('\n');
|
|
}
|
|
}
|
|
|
|
/*
|
|
* [-e] backend
|
|
*/
|
|
static void
|
|
print_cpus_readable(struct lscpu_desc *desc, int cols[], int ncols,
|
|
struct lscpu_modifier *mod)
|
|
{
|
|
int i;
|
|
char buf[BUFSIZ];
|
|
const char *data;
|
|
struct libscols_table *table;
|
|
|
|
scols_init_debug(0);
|
|
|
|
table = scols_new_table();
|
|
if (!table)
|
|
err(EXIT_FAILURE, _("failed to allocate output table"));
|
|
if (mod->json) {
|
|
scols_table_enable_json(table, 1);
|
|
scols_table_set_name(table, "cpus");
|
|
}
|
|
|
|
for (i = 0; i < ncols; i++) {
|
|
data = get_cell_header(desc, cols[i], mod, buf, sizeof(buf));
|
|
if (!scols_table_new_column(table, data, 0, coldescs_cpu[cols[i]].flags))
|
|
err(EXIT_FAILURE, _("failed to allocate output column"));
|
|
}
|
|
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
int c;
|
|
struct libscols_line *line;
|
|
int cpu = real_cpu_num(desc, i);
|
|
|
|
if (desc->online) {
|
|
if (!mod->offline && !is_cpu_online(desc, cpu))
|
|
continue;
|
|
if (!mod->online && is_cpu_online(desc, cpu))
|
|
continue;
|
|
}
|
|
if (desc->present && !is_cpu_present(desc, cpu))
|
|
continue;
|
|
|
|
line = scols_table_new_line(table, NULL);
|
|
if (!line)
|
|
err(EXIT_FAILURE, _("failed to allocate output line"));
|
|
|
|
for (c = 0; c < ncols; c++) {
|
|
data = get_cell_data(desc, i, cols[c], mod,
|
|
buf, sizeof(buf));
|
|
if (!data || !*data)
|
|
data = "-";
|
|
if (scols_line_set_data(line, c, data))
|
|
err(EXIT_FAILURE, _("failed to add output data"));
|
|
}
|
|
}
|
|
|
|
scols_print_table(table);
|
|
scols_unref_table(table);
|
|
}
|
|
|
|
|
|
static void __attribute__ ((__format__(printf, 3, 4)))
|
|
add_summary_sprint(struct libscols_table *tb,
|
|
const char *txt,
|
|
const char *fmt,
|
|
...)
|
|
{
|
|
struct libscols_line *ln = scols_table_new_line(tb, NULL);
|
|
char *data;
|
|
va_list args;
|
|
|
|
if (!ln)
|
|
err(EXIT_FAILURE, _("failed to allocate output line"));
|
|
|
|
/* description column */
|
|
if (txt && scols_line_set_data(ln, 0, txt))
|
|
err(EXIT_FAILURE, _("failed to add output data"));
|
|
|
|
/* data column */
|
|
va_start(args, fmt);
|
|
xvasprintf(&data, fmt, args);
|
|
va_end(args);
|
|
|
|
if (data && scols_line_refer_data(ln, 1, data))
|
|
err(EXIT_FAILURE, _("failed to add output data"));
|
|
}
|
|
|
|
#define add_summary_n(tb, txt, num) add_summary_sprint(tb, txt, "%d", num)
|
|
#define add_summary_s(tb, txt, str) add_summary_sprint(tb, txt, "%s", str)
|
|
|
|
static void
|
|
print_cpuset(struct libscols_table *tb,
|
|
const char *key, cpu_set_t *set, int hex)
|
|
{
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
size_t setbuflen = 7 * maxcpus;
|
|
char setbuf[setbuflen], *p;
|
|
|
|
if (hex) {
|
|
p = cpumask_create(setbuf, setbuflen, set, setsize);
|
|
add_summary_s(tb, key, p);
|
|
} else {
|
|
p = cpulist_create(setbuf, setbuflen, set, setsize);
|
|
add_summary_s(tb, key, p);
|
|
}
|
|
}
|
|
|
|
static int get_cache_full_size(struct lscpu_desc *desc,
|
|
struct cpu_cache *ca, uint64_t *res)
|
|
{
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
int i, nshares = 0;
|
|
|
|
/* Count number of CPUs which shares the cache */
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
int cpu = real_cpu_num(desc, i);
|
|
|
|
if (desc->present && !is_cpu_present(desc, cpu))
|
|
continue;
|
|
if (CPU_ISSET_S(cpu, setsize, ca->sharedmaps[0]))
|
|
nshares++;
|
|
}
|
|
|
|
/* Correction for CPU threads */
|
|
if (desc->nthreads > desc->ncores)
|
|
nshares /= (desc->nthreads / desc->ncores);
|
|
if (nshares < 1)
|
|
nshares = 1;
|
|
|
|
*res = (desc->ncores / nshares) * ca->size;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* default output
|
|
*/
|
|
static void
|
|
print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod)
|
|
{
|
|
char buf[BUFSIZ];
|
|
int i = 0;
|
|
size_t setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
struct libscols_table *tb;
|
|
|
|
scols_init_debug(0);
|
|
|
|
tb = scols_new_table();
|
|
if (!tb)
|
|
err(EXIT_FAILURE, _("failed to allocate output table"));
|
|
|
|
scols_table_enable_noheadings(tb, 1);
|
|
if (mod->json) {
|
|
scols_table_enable_json(tb, 1);
|
|
scols_table_set_name(tb, "lscpu");
|
|
}
|
|
|
|
if (scols_table_new_column(tb, "field", 0, 0) == NULL ||
|
|
scols_table_new_column(tb, "data", 0, SCOLS_FL_NOEXTREMES | SCOLS_FL_WRAP) == NULL)
|
|
err(EXIT_FAILURE, _("failed to initialize output column"));
|
|
|
|
add_summary_s(tb, _("Architecture:"), desc->arch);
|
|
if (desc->mode) {
|
|
char *p = buf;
|
|
|
|
if (desc->mode & MODE_32BIT) {
|
|
strcpy(p, "32-bit, ");
|
|
p += 8;
|
|
}
|
|
if (desc->mode & MODE_64BIT) {
|
|
strcpy(p, "64-bit, ");
|
|
p += 8;
|
|
}
|
|
*(p - 2) = '\0';
|
|
add_summary_s(tb, _("CPU op-mode(s):"), buf);
|
|
}
|
|
#if !defined(WORDS_BIGENDIAN)
|
|
add_summary_s(tb, _("Byte Order:"), "Little Endian");
|
|
#else
|
|
add_summary_s(tb, _("Byte Order:"), "Big Endian");
|
|
#endif
|
|
|
|
if (desc->addrsz)
|
|
add_summary_s(tb, _("Address sizes:"), desc->addrsz);
|
|
|
|
add_summary_n(tb, _("CPU(s):"), desc->ncpus);
|
|
|
|
if (desc->online)
|
|
print_cpuset(tb, mod->hex ? _("On-line CPU(s) mask:") :
|
|
_("On-line CPU(s) list:"),
|
|
desc->online, mod->hex);
|
|
|
|
if (desc->online && CPU_COUNT_S(setsize, desc->online) != desc->ncpus) {
|
|
cpu_set_t *set;
|
|
|
|
/* Linux kernel provides cpuset of off-line CPUs that contains
|
|
* all configured CPUs (see /sys/devices/system/cpu/offline),
|
|
* but want to print real (present in system) off-line CPUs only.
|
|
*/
|
|
set = cpuset_alloc(maxcpus, NULL, NULL);
|
|
if (!set)
|
|
err(EXIT_FAILURE, _("failed to callocate cpu set"));
|
|
CPU_ZERO_S(setsize, set);
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
int cpu = real_cpu_num(desc, i);
|
|
if (!is_cpu_online(desc, cpu) && is_cpu_present(desc, cpu))
|
|
CPU_SET_S(cpu, setsize, set);
|
|
}
|
|
print_cpuset(tb, mod->hex ? _("Off-line CPU(s) mask:") :
|
|
_("Off-line CPU(s) list:"),
|
|
set, mod->hex);
|
|
cpuset_free(set);
|
|
}
|
|
|
|
if (desc->nsockets) {
|
|
int threads_per_core, cores_per_socket, sockets_per_book;
|
|
int books_per_drawer, drawers;
|
|
FILE *fd;
|
|
|
|
threads_per_core = cores_per_socket = sockets_per_book = 0;
|
|
books_per_drawer = drawers = 0;
|
|
/* s390 detects its cpu topology via /proc/sysinfo, if present.
|
|
* Using simply the cpu topology masks in sysfs will not give
|
|
* usable results since everything is virtualized. E.g.
|
|
* virtual core 0 may have only 1 cpu, but virtual core 2 may
|
|
* five cpus.
|
|
* If the cpu topology is not exported (e.g. 2nd level guest)
|
|
* fall back to old calculation scheme.
|
|
*/
|
|
if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) {
|
|
int t0, t1;
|
|
|
|
while (fd && fgets(buf, sizeof(buf), fd) != NULL) {
|
|
if (sscanf(buf, "CPU Topology SW:%d%d%d%d%d%d",
|
|
&t0, &t1, &drawers, &books_per_drawer,
|
|
&sockets_per_book,
|
|
&cores_per_socket) == 6)
|
|
break;
|
|
}
|
|
if (fd)
|
|
fclose(fd);
|
|
}
|
|
if (desc->mtid)
|
|
threads_per_core = atoi(desc->mtid) + 1;
|
|
add_summary_n(tb, _("Thread(s) per core:"),
|
|
threads_per_core ?: desc->nthreads / desc->ncores);
|
|
add_summary_n(tb, _("Core(s) per socket:"),
|
|
cores_per_socket ?: desc->ncores / desc->nsockets);
|
|
if (desc->nbooks) {
|
|
add_summary_n(tb, _("Socket(s) per book:"),
|
|
sockets_per_book ?: desc->nsockets / desc->nbooks);
|
|
if (desc->ndrawers) {
|
|
add_summary_n(tb, _("Book(s) per drawer:"),
|
|
books_per_drawer ?: desc->nbooks / desc->ndrawers);
|
|
add_summary_n(tb, _("Drawer(s):"), drawers ?: desc->ndrawers);
|
|
} else {
|
|
add_summary_n(tb, _("Book(s):"), books_per_drawer ?: desc->nbooks);
|
|
}
|
|
} else {
|
|
add_summary_n(tb, _("Socket(s):"), sockets_per_book ?: desc->nsockets);
|
|
}
|
|
}
|
|
if (desc->nnodes)
|
|
add_summary_n(tb, _("NUMA node(s):"), desc->nnodes);
|
|
if (desc->vendor)
|
|
add_summary_s(tb, _("Vendor ID:"), desc->vendor);
|
|
if (desc->machinetype)
|
|
add_summary_s(tb, _("Machine type:"), desc->machinetype);
|
|
if (desc->family)
|
|
add_summary_s(tb, _("CPU family:"), desc->family);
|
|
if (desc->model || desc->revision)
|
|
add_summary_s(tb, _("Model:"), desc->revision ? desc->revision : desc->model);
|
|
if (desc->modelname || desc->cpu)
|
|
add_summary_s(tb, _("Model name:"), desc->cpu ? desc->cpu : desc->modelname);
|
|
if (desc->stepping)
|
|
add_summary_s(tb, _("Stepping:"), desc->stepping);
|
|
if (desc->freqboost >= 0)
|
|
add_summary_s(tb, _("Frequency boost:"), desc->freqboost ?
|
|
_("enabled") : _("disabled"));
|
|
if (desc->mhz)
|
|
add_summary_s(tb, _("CPU MHz:"), desc->mhz);
|
|
if (desc->dynamic_mhz)
|
|
add_summary_s(tb, _("CPU dynamic MHz:"), desc->dynamic_mhz);
|
|
if (desc->static_mhz)
|
|
add_summary_s(tb, _("CPU static MHz:"), desc->static_mhz);
|
|
if (desc->maxmhz)
|
|
add_summary_s(tb, _("CPU max MHz:"), cpu_max_mhz(desc, buf, sizeof(buf)));
|
|
if (desc->minmhz)
|
|
add_summary_s(tb, _("CPU min MHz:"), cpu_min_mhz(desc, buf, sizeof(buf)));
|
|
if (desc->bogomips)
|
|
add_summary_s(tb, _("BogoMIPS:"), desc->bogomips);
|
|
if (desc->virtflag) {
|
|
if (!strcmp(desc->virtflag, "svm"))
|
|
add_summary_s(tb, _("Virtualization:"), "AMD-V");
|
|
else if (!strcmp(desc->virtflag, "vmx"))
|
|
add_summary_s(tb, _("Virtualization:"), "VT-x");
|
|
}
|
|
if (desc->hypervisor)
|
|
add_summary_s(tb, _("Hypervisor:"), desc->hypervisor);
|
|
if (desc->hyper) {
|
|
add_summary_s(tb, _("Hypervisor vendor:"), hv_vendors[desc->hyper]);
|
|
add_summary_s(tb, _("Virtualization type:"), _(virt_types[desc->virtype]));
|
|
}
|
|
if (desc->dispatching >= 0)
|
|
add_summary_s(tb, _("Dispatching mode:"), _(disp_modes[desc->dispatching]));
|
|
if (desc->ncaches) {
|
|
for (i = desc->ncaches - 1; i >= 0; i--) {
|
|
uint64_t sz = 0;
|
|
char *tmp;
|
|
struct cpu_cache *ca = &desc->caches[i];
|
|
|
|
if (ca->size == 0)
|
|
continue;
|
|
if (get_cache_full_size(desc, ca, &sz) != 0 || sz == 0)
|
|
continue;
|
|
if (mod->bytes)
|
|
xasprintf(&tmp, "%" PRIu64, sz);
|
|
else
|
|
tmp = size_to_human_string(
|
|
SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE,
|
|
sz);
|
|
snprintf(buf, sizeof(buf), _("%s cache:"), ca->name);
|
|
add_summary_s(tb, buf, tmp);
|
|
free(tmp);
|
|
}
|
|
}
|
|
if (desc->necaches) {
|
|
for (i = desc->necaches - 1; i >= 0; i--) {
|
|
char *tmp;
|
|
struct cpu_cache *ca = &desc->ecaches[i];
|
|
|
|
if (ca->size == 0)
|
|
continue;
|
|
if (mod->bytes)
|
|
xasprintf(&tmp, "%" PRIu64, ca->size);
|
|
else
|
|
tmp = size_to_human_string(
|
|
SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE,
|
|
ca->size);
|
|
snprintf(buf, sizeof(buf), _("%s cache:"), ca->name);
|
|
add_summary_s(tb, buf, tmp);
|
|
free(tmp);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < desc->nnodes; i++) {
|
|
snprintf(buf, sizeof(buf), _("NUMA node%d CPU(s):"), desc->idx2nodenum[i]);
|
|
print_cpuset(tb, buf, desc->nodemaps[i], mod->hex);
|
|
}
|
|
|
|
if (desc->physsockets) {
|
|
add_summary_n(tb, _("Physical sockets:"), desc->physsockets);
|
|
add_summary_n(tb, _("Physical chips:"), desc->physchips);
|
|
add_summary_n(tb, _("Physical cores/chip:"), desc->physcoresperchip);
|
|
}
|
|
|
|
if (desc->vuls) {
|
|
for (i = 0; i < desc->nvuls; i++) {
|
|
snprintf(buf, sizeof(buf), ("Vulnerability %s:"), desc->vuls[i].name);
|
|
add_summary_s(tb, buf, desc->vuls[i].text);
|
|
}
|
|
}
|
|
|
|
if (desc->flags)
|
|
add_summary_s(tb, _("Flags:"), desc->flags);
|
|
|
|
scols_print_table(tb);
|
|
scols_unref_table(tb);
|
|
}
|
|
|
|
static void __attribute__((__noreturn__)) usage(void)
|
|
{
|
|
FILE *out = stdout;
|
|
size_t i;
|
|
|
|
fputs(USAGE_HEADER, out);
|
|
fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
|
|
|
|
fputs(USAGE_SEPARATOR, out);
|
|
fputs(_("Display information about the CPU architecture.\n"), out);
|
|
|
|
fputs(USAGE_OPTIONS, out);
|
|
fputs(_(" -a, --all print both online and offline CPUs (default for -e)\n"), out);
|
|
fputs(_(" -b, --online print online CPUs only (default for -p)\n"), out);
|
|
fputs(_(" -B, --bytes print sizes in bytes rather than in human readable format\n"), out);
|
|
fputs(_(" -C, --caches[=<list>] info about caches in extended readable format\n"), out);
|
|
fputs(_(" -c, --offline print offline CPUs only\n"), out);
|
|
fputs(_(" -J, --json use JSON for default or extended format\n"), out);
|
|
fputs(_(" -e, --extended[=<list>] print out an extended readable format\n"), out);
|
|
fputs(_(" -p, --parse[=<list>] print out a parsable format\n"), out);
|
|
fputs(_(" -s, --sysroot <dir> use specified directory as system root\n"), out);
|
|
fputs(_(" -x, --hex print hexadecimal masks rather than lists of CPUs\n"), out);
|
|
fputs(_(" -y, --physical print physical instead of logical IDs\n"), out);
|
|
fputs(_(" --output-all print all available columns for -e, -p or -C\n"), out);
|
|
fputs(USAGE_SEPARATOR, out);
|
|
printf(USAGE_HELP_OPTIONS(25));
|
|
|
|
fputs(_("\nAvailable output columns for -e or -p:\n"), out);
|
|
for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++)
|
|
fprintf(out, " %13s %s\n", coldescs_cpu[i].name, _(coldescs_cpu[i].help));
|
|
|
|
fputs(_("\nAvailable output columns for -C:\n"), out);
|
|
for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++)
|
|
fprintf(out, " %13s %s\n", coldescs_cache[i].name, _(coldescs_cache[i].help));
|
|
|
|
printf(USAGE_MAN_TAIL("lscpu(1)"));
|
|
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct lscpu_modifier _mod = { .mode = OUTPUT_SUMMARY }, *mod = &_mod;
|
|
struct lscpu_desc _desc = { .flags = NULL }, *desc = &_desc;
|
|
int c, i, all = 0;
|
|
int columns[ARRAY_SIZE(coldescs_cpu)], ncolumns = 0;
|
|
int cpu_modifier_specified = 0;
|
|
size_t setsize;
|
|
|
|
enum {
|
|
OPT_OUTPUT_ALL = CHAR_MAX + 1,
|
|
};
|
|
static const struct option longopts[] = {
|
|
{ "all", no_argument, NULL, 'a' },
|
|
{ "online", no_argument, NULL, 'b' },
|
|
{ "bytes", no_argument, NULL, 'B' },
|
|
{ "caches", optional_argument, NULL, 'C' },
|
|
{ "offline", no_argument, NULL, 'c' },
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "extended", optional_argument, NULL, 'e' },
|
|
{ "json", no_argument, NULL, 'J' },
|
|
{ "parse", optional_argument, NULL, 'p' },
|
|
{ "sysroot", required_argument, NULL, 's' },
|
|
{ "physical", no_argument, NULL, 'y' },
|
|
{ "hex", no_argument, NULL, 'x' },
|
|
{ "version", no_argument, NULL, 'V' },
|
|
{ "output-all", no_argument, NULL, OPT_OUTPUT_ALL },
|
|
{ NULL, 0, NULL, 0 }
|
|
};
|
|
|
|
static const ul_excl_t excl[] = { /* rows and cols in ASCII order */
|
|
{ 'C','e','p' },
|
|
{ 'a','b','c' },
|
|
{ 0 }
|
|
};
|
|
int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
|
|
|
|
setlocale(LC_ALL, "");
|
|
bindtextdomain(PACKAGE, LOCALEDIR);
|
|
textdomain(PACKAGE);
|
|
close_stdout_atexit();
|
|
|
|
while ((c = getopt_long(argc, argv, "aBbC::ce::hJp::s:xyV", longopts, NULL)) != -1) {
|
|
|
|
err_exclusive_options(c, longopts, excl, excl_st);
|
|
|
|
switch (c) {
|
|
case 'a':
|
|
mod->online = mod->offline = 1;
|
|
cpu_modifier_specified = 1;
|
|
break;
|
|
case 'B':
|
|
mod->bytes = 1;
|
|
break;
|
|
case 'b':
|
|
mod->online = 1;
|
|
cpu_modifier_specified = 1;
|
|
break;
|
|
case 'c':
|
|
mod->offline = 1;
|
|
cpu_modifier_specified = 1;
|
|
break;
|
|
case 'C':
|
|
if (optarg) {
|
|
if (*optarg == '=')
|
|
optarg++;
|
|
ncolumns = string_to_idarray(optarg,
|
|
columns, ARRAY_SIZE(columns),
|
|
cache_column_name_to_id);
|
|
if (ncolumns < 0)
|
|
return EXIT_FAILURE;
|
|
}
|
|
mod->mode = OUTPUT_CACHES;
|
|
break;
|
|
case 'J':
|
|
mod->json = 1;
|
|
break;
|
|
case 'p':
|
|
case 'e':
|
|
if (optarg) {
|
|
if (*optarg == '=')
|
|
optarg++;
|
|
ncolumns = string_to_idarray(optarg,
|
|
columns, ARRAY_SIZE(columns),
|
|
cpu_column_name_to_id);
|
|
if (ncolumns < 0)
|
|
return EXIT_FAILURE;
|
|
}
|
|
mod->mode = c == 'p' ? OUTPUT_PARSABLE : OUTPUT_READABLE;
|
|
break;
|
|
case 's':
|
|
desc->prefix = optarg;
|
|
mod->system = SYSTEM_SNAPSHOT;
|
|
break;
|
|
case 'x':
|
|
mod->hex = 1;
|
|
break;
|
|
case 'y':
|
|
mod->physical = 1;
|
|
break;
|
|
case OPT_OUTPUT_ALL:
|
|
all = 1;
|
|
break;
|
|
|
|
case 'h':
|
|
usage();
|
|
case 'V':
|
|
print_version(EXIT_SUCCESS);
|
|
default:
|
|
errtryhelp(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
if (all && ncolumns == 0) {
|
|
size_t sz, maxsz = mod->mode == OUTPUT_CACHES ?
|
|
ARRAY_SIZE(coldescs_cache) :
|
|
ARRAY_SIZE(coldescs_cpu);
|
|
|
|
for (sz = 0; sz < maxsz; sz++)
|
|
columns[ncolumns++] = sz;
|
|
}
|
|
|
|
if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) {
|
|
fprintf(stderr,
|
|
_("%s: options --all, --online and --offline may only "
|
|
"be used with options --extended or --parse.\n"),
|
|
program_invocation_short_name);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (argc != optind) {
|
|
warnx(_("bad usage"));
|
|
errtryhelp(EXIT_FAILURE);
|
|
}
|
|
|
|
/* set default cpu display mode if none was specified */
|
|
if (!mod->online && !mod->offline) {
|
|
mod->online = 1;
|
|
mod->offline = mod->mode == OUTPUT_READABLE ? 1 : 0;
|
|
}
|
|
|
|
ul_path_init_debug();
|
|
|
|
/* /sys/devices/system/cpu */
|
|
desc->syscpu = ul_new_path(_PATH_SYS_CPU);
|
|
if (!desc->syscpu)
|
|
err(EXIT_FAILURE, _("failed to initialize CPUs sysfs handler"));
|
|
if (desc->prefix)
|
|
ul_path_set_prefix(desc->syscpu, desc->prefix);
|
|
|
|
/* /proc */
|
|
desc->procfs = ul_new_path("/proc");
|
|
if (!desc->procfs)
|
|
err(EXIT_FAILURE, _("failed to initialize procfs handler"));
|
|
if (desc->prefix)
|
|
ul_path_set_prefix(desc->procfs, desc->prefix);
|
|
|
|
read_basicinfo(desc, mod);
|
|
|
|
setsize = CPU_ALLOC_SIZE(maxcpus);
|
|
|
|
for (i = 0; i < desc->ncpuspos; i++) {
|
|
/* only consider present CPUs */
|
|
if (desc->present &&
|
|
!CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present))
|
|
continue;
|
|
read_topology(desc, i);
|
|
read_cache(desc, i);
|
|
read_polarization(desc, i);
|
|
read_address(desc, i);
|
|
read_configured(desc, i);
|
|
read_max_mhz(desc, i);
|
|
read_min_mhz(desc, i);
|
|
}
|
|
|
|
if (desc->caches)
|
|
qsort(desc->caches, desc->ncaches,
|
|
sizeof(struct cpu_cache), cachecmp);
|
|
|
|
if (desc->ecaches)
|
|
qsort(desc->ecaches, desc->necaches,
|
|
sizeof(struct cpu_cache), cachecmp);
|
|
|
|
read_nodes(desc);
|
|
read_hypervisor(desc, mod);
|
|
arm_cpu_decode(desc);
|
|
|
|
switch(mod->mode) {
|
|
case OUTPUT_SUMMARY:
|
|
print_summary(desc, mod);
|
|
break;
|
|
case OUTPUT_CACHES:
|
|
if (!ncolumns) {
|
|
columns[ncolumns++] = COL_CACHE_NAME;
|
|
columns[ncolumns++] = COL_CACHE_ONESIZE;
|
|
columns[ncolumns++] = COL_CACHE_ALLSIZE;
|
|
columns[ncolumns++] = COL_CACHE_WAYS;
|
|
columns[ncolumns++] = COL_CACHE_TYPE;
|
|
columns[ncolumns++] = COL_CACHE_LEVEL;
|
|
columns[ncolumns++] = COL_CACHE_SETS;
|
|
columns[ncolumns++] = COL_CACHE_PHYLINE;
|
|
columns[ncolumns++] = COL_CACHE_COHERENCYSIZE;
|
|
}
|
|
print_caches_readable(desc, columns, ncolumns, mod);
|
|
break;
|
|
case OUTPUT_PARSABLE:
|
|
if (!ncolumns) {
|
|
columns[ncolumns++] = COL_CPU_CPU;
|
|
columns[ncolumns++] = COL_CPU_CORE;
|
|
columns[ncolumns++] = COL_CPU_SOCKET;
|
|
columns[ncolumns++] = COL_CPU_NODE;
|
|
columns[ncolumns++] = COL_CPU_CACHE;
|
|
mod->compat = 1;
|
|
}
|
|
print_cpus_parsable(desc, columns, ncolumns, mod);
|
|
break;
|
|
case OUTPUT_READABLE:
|
|
if (!ncolumns) {
|
|
/* No list was given. Just print whatever is there. */
|
|
columns[ncolumns++] = COL_CPU_CPU;
|
|
if (desc->nodemaps)
|
|
columns[ncolumns++] = COL_CPU_NODE;
|
|
if (desc->drawermaps)
|
|
columns[ncolumns++] = COL_CPU_DRAWER;
|
|
if (desc->bookmaps)
|
|
columns[ncolumns++] = COL_CPU_BOOK;
|
|
if (desc->socketmaps)
|
|
columns[ncolumns++] = COL_CPU_SOCKET;
|
|
if (desc->coremaps)
|
|
columns[ncolumns++] = COL_CPU_CORE;
|
|
if (desc->caches)
|
|
columns[ncolumns++] = COL_CPU_CACHE;
|
|
if (desc->online)
|
|
columns[ncolumns++] = COL_CPU_ONLINE;
|
|
if (desc->configured)
|
|
columns[ncolumns++] = COL_CPU_CONFIGURED;
|
|
if (desc->polarization)
|
|
columns[ncolumns++] = COL_CPU_POLARIZATION;
|
|
if (desc->addresses)
|
|
columns[ncolumns++] = COL_CPU_ADDRESS;
|
|
if (desc->maxmhz)
|
|
columns[ncolumns++] = COL_CPU_MAXMHZ;
|
|
if (desc->minmhz)
|
|
columns[ncolumns++] = COL_CPU_MINMHZ;
|
|
}
|
|
print_cpus_readable(desc, columns, ncolumns, mod);
|
|
break;
|
|
}
|
|
|
|
ul_unref_path(desc->syscpu);
|
|
ul_unref_path(desc->procfs);
|
|
return EXIT_SUCCESS;
|
|
}
|