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Commit | Line | Data |
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5dd7507c CQ |
1 | /* |
2 | * lscpu - CPU architecture information helper | |
3 | * | |
4 | * Copyright (C) 2008 Cai Qian <qcai@redhat.com> | |
5 | * Copyright (C) 2008 Karel Zak <kzak@redhat.com> | |
6 | * | |
80dde62f | 7 | * This program is free software; you can redistribute it and/or modify |
5dd7507c | 8 | * it under the terms of the GNU General Public License as published by |
80dde62f | 9 | * the Free Software Foundation; either version 2 of the License, or |
5dd7507c CQ |
10 | * (at your option) any later version. |
11 | * | |
80dde62f | 12 | * This program is distributed in the hope that it would be useful, |
5dd7507c CQ |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
7cebf0bb SK |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
5dd7507c CQ |
20 | */ |
21 | ||
22 | #include <ctype.h> | |
23 | #include <dirent.h> | |
5dd7507c CQ |
24 | #include <errno.h> |
25 | #include <fcntl.h> | |
26 | #include <getopt.h> | |
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include <sys/utsname.h> | |
31 | #include <unistd.h> | |
32 | #include <stdarg.h> | |
39561c70 KZ |
33 | #include <sys/types.h> |
34 | #include <sys/stat.h> | |
5dd7507c | 35 | |
7e03f383 | 36 | #include "cpuset.h" |
5dd7507c | 37 | #include "nls.h" |
4581647a | 38 | #include "xalloc.h" |
eb76ca98 | 39 | #include "c.h" |
477251f8 KZ |
40 | #include "strutils.h" |
41 | #include "bitops.h" | |
ba45d8c1 | 42 | #include "tt.h" |
8148217b | 43 | #include "path.h" |
efb8854f | 44 | #include "closestream.h" |
41a8940d | 45 | #include "optutils.h" |
fb2627ce | 46 | #include "lscpu.h" |
477251f8 | 47 | |
5dd7507c CQ |
48 | #define CACHE_MAX 100 |
49 | ||
50 | /* /sys paths */ | |
d50363cd | 51 | #define _PATH_SYS_SYSTEM "/sys/devices/system" |
7e03f383 | 52 | #define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu" |
d50363cd | 53 | #define _PATH_PROC_XEN "/proc/xen" |
c8b64f6d | 54 | #define _PATH_PROC_XENCAP _PATH_PROC_XEN "/capabilities" |
d50363cd KZ |
55 | #define _PATH_PROC_CPUINFO "/proc/cpuinfo" |
56 | #define _PATH_PROC_PCIDEVS "/proc/bus/pci/devices" | |
b8ec7bdf | 57 | #define _PATH_PROC_SYSINFO "/proc/sysinfo" |
fb2627ce OO |
58 | #define _PATH_PROC_STATUS "/proc/self/status" |
59 | #define _PATH_PROC_VZ "/proc/vz" | |
60 | #define _PATH_PROC_BC "/proc/bc" | |
61 | #define _PATH_DEV_MEM "/dev/mem" | |
5dd7507c | 62 | |
c8b64f6d KZ |
63 | /* virtualization types */ |
64 | enum { | |
65 | VIRT_NONE = 0, | |
66 | VIRT_PARA, | |
857d9cdf KZ |
67 | VIRT_FULL, |
68 | VIRT_CONT | |
c8b64f6d KZ |
69 | }; |
70 | const char *virt_types[] = { | |
71 | [VIRT_NONE] = N_("none"), | |
72 | [VIRT_PARA] = N_("para"), | |
857d9cdf KZ |
73 | [VIRT_FULL] = N_("full"), |
74 | [VIRT_CONT] = N_("container"), | |
c8b64f6d KZ |
75 | }; |
76 | ||
c8b64f6d KZ |
77 | const char *hv_vendors[] = { |
78 | [HYPER_NONE] = NULL, | |
79 | [HYPER_XEN] = "Xen", | |
80 | [HYPER_KVM] = "KVM", | |
99fbc877 | 81 | [HYPER_MSHV] = "Microsoft", |
b8ec7bdf | 82 | [HYPER_VMWARE] = "VMware", |
fb2627ce OO |
83 | [HYPER_IBM] = "IBM", |
84 | [HYPER_VSERVER] = "Linux-VServer", | |
85 | [HYPER_UML] = "User-mode Linux", | |
86 | [HYPER_INNOTEK] = "Innotek GmbH", | |
87 | [HYPER_HITACHI] = "Hitachi", | |
857d9cdf | 88 | [HYPER_PARALLELS] = "Parallels" |
c8b64f6d KZ |
89 | }; |
90 | ||
f633ad4e | 91 | /* CPU modes */ |
79e8b41a | 92 | enum { |
f633ad4e KZ |
93 | MODE_32BIT = (1 << 1), |
94 | MODE_64BIT = (1 << 2) | |
79e8b41a | 95 | }; |
c8b64f6d | 96 | |
e8aa16ee KZ |
97 | /* cache(s) description */ |
98 | struct cpu_cache { | |
7e03f383 KZ |
99 | char *name; |
100 | char *size; | |
101 | ||
102 | int nsharedmaps; | |
103 | cpu_set_t **sharedmaps; | |
e8aa16ee KZ |
104 | }; |
105 | ||
a0fff77e HC |
106 | /* dispatching modes */ |
107 | enum { | |
108 | DISP_HORIZONTAL = 0, | |
109 | DISP_VERTICAL = 1 | |
110 | }; | |
111 | ||
112 | const char *disp_modes[] = { | |
113 | [DISP_HORIZONTAL] = N_("horizontal"), | |
114 | [DISP_VERTICAL] = N_("vertical") | |
115 | }; | |
116 | ||
2b8fcb81 HC |
117 | /* cpu polarization */ |
118 | enum { | |
119 | POLAR_UNKNOWN = 0, | |
120 | POLAR_VLOW, | |
121 | POLAR_VMEDIUM, | |
122 | POLAR_VHIGH, | |
123 | POLAR_HORIZONTAL | |
124 | }; | |
125 | ||
8005924a KZ |
126 | struct polarization_modes { |
127 | char *parsable; | |
128 | char *readable; | |
129 | }; | |
130 | ||
131 | struct polarization_modes polar_modes[] = { | |
132 | [POLAR_UNKNOWN] = {"U", "-"}, | |
133 | [POLAR_VLOW] = {"VL", "vert-low"}, | |
134 | [POLAR_VMEDIUM] = {"VM", "vert-medium"}, | |
135 | [POLAR_VHIGH] = {"VH", "vert-high"}, | |
136 | [POLAR_HORIZONTAL] = {"H", "horizontal"}, | |
2b8fcb81 HC |
137 | }; |
138 | ||
e8aa16ee KZ |
139 | /* global description */ |
140 | struct lscpu_desc { | |
5dd7507c CQ |
141 | char *arch; |
142 | char *vendor; | |
143 | char *family; | |
144 | char *model; | |
1461094c | 145 | char *modelname; |
c8b64f6d | 146 | char *virtflag; /* virtualization flag (vmx, svm) */ |
10829cd7 | 147 | char *hypervisor; /* hypervisor software */ |
c8b64f6d KZ |
148 | int hyper; /* hypervisor vendor ID */ |
149 | int virtype; /* VIRT_PARA|FULL|NONE ? */ | |
5dd7507c | 150 | char *mhz; |
e065a597 DB |
151 | char **maxmhz; /* maximum mega hertz */ |
152 | char **minmhz; /* minimum mega hertz */ | |
5dd7507c | 153 | char *stepping; |
9b8d4d5f | 154 | char *bogomips; |
5dd7507c | 155 | char *flags; |
a0fff77e | 156 | int dispatching; /* none, horizontal or vertical */ |
79e8b41a KZ |
157 | int mode; /* rm, lm or/and tm */ |
158 | ||
a5cfffff TK |
159 | int ncpuspos; /* maximal possible CPUs */ |
160 | int ncpus; /* number of present CPUs */ | |
161 | cpu_set_t *present; /* mask with present CPUs */ | |
aac1e59e | 162 | cpu_set_t *online; /* mask with online CPUs */ |
7e03f383 KZ |
163 | |
164 | int nnodes; /* number of NUMA modes */ | |
165 | cpu_set_t **nodemaps; /* array with NUMA nodes */ | |
166 | ||
56baaa4e HC |
167 | /* books -- based on book_siblings (internal kernel map of cpuX's |
168 | * hardware threads within the same book */ | |
169 | int nbooks; /* number of all online books */ | |
170 | cpu_set_t **bookmaps; /* unique book_siblings */ | |
171 | ||
7e03f383 KZ |
172 | /* sockets -- based on core_siblings (internal kernel map of cpuX's |
173 | * hardware threads within the same physical_package_id (socket)) */ | |
e282eec2 | 174 | int nsockets; /* number of all online sockets */ |
7e03f383 KZ |
175 | cpu_set_t **socketmaps; /* unique core_siblings */ |
176 | ||
177 | /* cores -- based on thread_siblings (internel kernel map of cpuX's | |
178 | * hardware threads within the same core as cpuX) */ | |
e282eec2 | 179 | int ncores; /* number of all online cores */ |
7e03f383 KZ |
180 | cpu_set_t **coremaps; /* unique thread_siblings */ |
181 | ||
e282eec2 | 182 | int nthreads; /* number of online threads */ |
7e03f383 KZ |
183 | |
184 | int ncaches; | |
185 | struct cpu_cache *caches; | |
2b8fcb81 HC |
186 | |
187 | int *polarization; /* cpu polarization */ | |
596b8845 | 188 | int *addresses; /* physical cpu addresses */ |
d231eea1 | 189 | int *configured; /* cpu configured */ |
5dd7507c CQ |
190 | }; |
191 | ||
8005924a KZ |
192 | enum { |
193 | OUTPUT_SUMMARY = 0, /* default */ | |
194 | OUTPUT_PARSABLE, /* -p */ | |
ba45d8c1 | 195 | OUTPUT_READABLE, /* -e */ |
8005924a KZ |
196 | }; |
197 | ||
8148217b HC |
198 | enum { |
199 | SYSTEM_LIVE = 0, /* analyzing a live system */ | |
200 | SYSTEM_SNAPSHOT, /* analyzing a snapshot of a different system */ | |
201 | }; | |
202 | ||
8005924a | 203 | struct lscpu_modifier { |
a7e5300c | 204 | int mode; /* OUTPUT_* */ |
8148217b | 205 | int system; /* SYSTEM_* */ |
a7e5300c HC |
206 | unsigned int hex:1, /* print CPU masks rather than CPU lists */ |
207 | compat:1, /* use backwardly compatible format */ | |
7afc2387 HC |
208 | online:1, /* print online CPUs */ |
209 | offline:1; /* print offline CPUs */ | |
8005924a KZ |
210 | }; |
211 | ||
7e03f383 | 212 | static int maxcpus; /* size in bits of kernel cpu mask */ |
5dd7507c | 213 | |
aac1e59e | 214 | #define is_cpu_online(_d, _cpu) \ |
a5cfffff TK |
215 | ((_d) && (_d)->online ? \ |
216 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->online) : 0) | |
217 | #define is_cpu_present(_d, _cpu) \ | |
218 | ((_d) && (_d)->present ? \ | |
219 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->present) : 0) | |
aac1e59e | 220 | |
477251f8 | 221 | /* |
3d27b76a | 222 | * IDs |
477251f8 KZ |
223 | */ |
224 | enum { | |
225 | COL_CPU, | |
226 | COL_CORE, | |
227 | COL_SOCKET, | |
228 | COL_NODE, | |
229 | COL_BOOK, | |
2b8fcb81 | 230 | COL_CACHE, |
596b8845 | 231 | COL_POLARIZATION, |
d231eea1 HC |
232 | COL_ADDRESS, |
233 | COL_CONFIGURED, | |
a7e5300c | 234 | COL_ONLINE, |
e065a597 DB |
235 | COL_MAXMHZ, |
236 | COL_MINMHZ, | |
477251f8 KZ |
237 | }; |
238 | ||
3d27b76a KZ |
239 | /* column description |
240 | */ | |
241 | struct lscpu_coldesc { | |
242 | const char *name; | |
243 | const char *help; | |
244 | ||
245 | unsigned int is_abbr:1; /* name is abbreviation */ | |
477251f8 KZ |
246 | }; |
247 | ||
3d27b76a KZ |
248 | static struct lscpu_coldesc coldescs[] = |
249 | { | |
250 | [COL_CPU] = { "CPU", N_("logical CPU number"), 1 }, | |
251 | [COL_CORE] = { "CORE", N_("logical core number") }, | |
252 | [COL_SOCKET] = { "SOCKET", N_("logical socket number") }, | |
253 | [COL_NODE] = { "NODE", N_("logical NUMA node number") }, | |
254 | [COL_BOOK] = { "BOOK", N_("logical book number") }, | |
255 | [COL_CACHE] = { "CACHE", N_("shows how caches are shared between CPUs") }, | |
256 | [COL_POLARIZATION] = { "POLARIZATION", N_("CPU dispatching mode on virtual hardware") }, | |
257 | [COL_ADDRESS] = { "ADDRESS", N_("physical address of a CPU") }, | |
258 | [COL_CONFIGURED] = { "CONFIGURED", N_("shows if the hypervisor has allocated the CPU") }, | |
44320710 | 259 | [COL_ONLINE] = { "ONLINE", N_("shows if Linux currently makes use of the CPU") }, |
4df28845 BS |
260 | [COL_MAXMHZ] = { "MAXMHZ", N_("shows the maximum MHz of the CPU") }, |
261 | [COL_MINMHZ] = { "MINMHZ", N_("shows the minimum MHz of the CPU") } | |
3d27b76a | 262 | }; |
477251f8 | 263 | |
583f14cc KZ |
264 | static int |
265 | column_name_to_id(const char *name, size_t namesz) | |
477251f8 | 266 | { |
329fd1c3 | 267 | size_t i; |
477251f8 | 268 | |
3d27b76a KZ |
269 | for (i = 0; i < ARRAY_SIZE(coldescs); i++) { |
270 | const char *cn = coldescs[i].name; | |
477251f8 KZ |
271 | |
272 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
273 | return i; | |
274 | } | |
275 | warnx(_("unknown column: %s"), name); | |
276 | return -1; | |
277 | } | |
278 | ||
5dd7507c CQ |
279 | /* Lookup a pattern and get the value from cpuinfo. |
280 | * Format is: | |
281 | * | |
282 | * "<pattern> : <key>" | |
283 | */ | |
583f14cc KZ |
284 | static int |
285 | lookup(char *line, char *pattern, char **value) | |
5dd7507c CQ |
286 | { |
287 | char *p, *v; | |
288 | int len = strlen(pattern); | |
289 | ||
290 | if (!*line) | |
291 | return 0; | |
292 | ||
293 | /* pattern */ | |
294 | if (strncmp(line, pattern, len)) | |
295 | return 0; | |
296 | ||
297 | /* white spaces */ | |
298 | for (p = line + len; isspace(*p); p++); | |
299 | ||
300 | /* separator */ | |
301 | if (*p != ':') | |
302 | return 0; | |
303 | ||
304 | /* white spaces */ | |
305 | for (++p; isspace(*p); p++); | |
306 | ||
307 | /* value */ | |
308 | if (!*p) | |
309 | return 0; | |
310 | v = p; | |
311 | ||
312 | /* end of value */ | |
313 | len = strlen(line) - 1; | |
314 | for (p = line + len; isspace(*(p-1)); p--); | |
315 | *p = '\0'; | |
316 | ||
317 | *value = xstrdup(v); | |
318 | return 1; | |
319 | } | |
320 | ||
f633ad4e KZ |
321 | /* Don't init the mode for platforms where we are not able to |
322 | * detect that CPU supports 64-bit mode. | |
323 | */ | |
324 | static int | |
8148217b | 325 | init_mode(struct lscpu_modifier *mod) |
f633ad4e KZ |
326 | { |
327 | int m = 0; | |
328 | ||
8148217b | 329 | if (mod->system == SYSTEM_SNAPSHOT) |
4e740fd8 KZ |
330 | /* reading info from any /{sys,proc} dump, don't mix it with |
331 | * information about our real CPU */ | |
332 | return 0; | |
333 | ||
f633ad4e KZ |
334 | #if defined(__alpha__) || defined(__ia64__) |
335 | m |= MODE_64BIT; /* 64bit platforms only */ | |
336 | #endif | |
337 | /* platforms with 64bit flag in /proc/cpuinfo, define | |
338 | * 32bit default here */ | |
339 | #if defined(__i386__) || defined(__x86_64__) || \ | |
c487c90c | 340 | defined(__s390x__) || defined(__s390__) || defined(__sparc_v9__) |
f633ad4e KZ |
341 | m |= MODE_32BIT; |
342 | #endif | |
343 | return m; | |
344 | } | |
345 | ||
5dd7507c | 346 | static void |
8148217b | 347 | read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 348 | { |
d50363cd | 349 | FILE *fp = path_fopen("r", 1, _PATH_PROC_CPUINFO); |
5dd7507c CQ |
350 | char buf[BUFSIZ]; |
351 | struct utsname utsbuf; | |
a5cfffff | 352 | size_t setsize; |
5dd7507c CQ |
353 | |
354 | /* architecture */ | |
355 | if (uname(&utsbuf) == -1) | |
356 | err(EXIT_FAILURE, _("error: uname failed")); | |
e8aa16ee | 357 | desc->arch = xstrdup(utsbuf.machine); |
5dd7507c | 358 | |
5dd7507c CQ |
359 | /* details */ |
360 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
e8aa16ee KZ |
361 | if (lookup(buf, "vendor", &desc->vendor)) ; |
362 | else if (lookup(buf, "vendor_id", &desc->vendor)) ; | |
e8aa16ee KZ |
363 | else if (lookup(buf, "family", &desc->family)) ; |
364 | else if (lookup(buf, "cpu family", &desc->family)) ; | |
365 | else if (lookup(buf, "model", &desc->model)) ; | |
1461094c | 366 | else if (lookup(buf, "model name", &desc->modelname)) ; |
e8aa16ee KZ |
367 | else if (lookup(buf, "stepping", &desc->stepping)) ; |
368 | else if (lookup(buf, "cpu MHz", &desc->mhz)) ; | |
f633ad4e KZ |
369 | else if (lookup(buf, "flags", &desc->flags)) ; /* x86 */ |
370 | else if (lookup(buf, "features", &desc->flags)) ; /* s390 */ | |
c487c90c | 371 | else if (lookup(buf, "type", &desc->flags)) ; /* sparc64 */ |
9b8d4d5f | 372 | else if (lookup(buf, "bogomips", &desc->bogomips)) ; |
abcd6368 | 373 | else if (lookup(buf, "bogomips per cpu", &desc->bogomips)) ; /* s390 */ |
5dd7507c CQ |
374 | else |
375 | continue; | |
376 | } | |
c8b64f6d | 377 | |
8148217b | 378 | desc->mode = init_mode(mod); |
f633ad4e | 379 | |
e8aa16ee KZ |
380 | if (desc->flags) { |
381 | snprintf(buf, sizeof(buf), " %s ", desc->flags); | |
c8b64f6d | 382 | if (strstr(buf, " svm ")) |
8290a249 | 383 | desc->virtflag = xstrdup("svm"); |
c8b64f6d | 384 | else if (strstr(buf, " vmx ")) |
8290a249 | 385 | desc->virtflag = xstrdup("vmx"); |
79e8b41a | 386 | if (strstr(buf, " lm ")) |
f633ad4e KZ |
387 | desc->mode |= MODE_32BIT | MODE_64BIT; /* x86_64 */ |
388 | if (strstr(buf, " zarch ")) | |
389 | desc->mode |= MODE_32BIT | MODE_64BIT; /* s390x */ | |
c487c90c KZ |
390 | if (strstr(buf, " sun4v ") || strstr(buf, " sun4u ")) |
391 | desc->mode |= MODE_32BIT | MODE_64BIT; /* sparc64 */ | |
c8b64f6d KZ |
392 | } |
393 | ||
4581b716 KZ |
394 | if (desc->arch && mod->system != SYSTEM_SNAPSHOT) { |
395 | if (strcmp(desc->arch, "ppc64") == 0) | |
396 | desc->mode |= MODE_32BIT | MODE_64BIT; | |
397 | else if (strcmp(desc->arch, "ppc") == 0) | |
398 | desc->mode |= MODE_32BIT; | |
399 | } | |
400 | ||
5dd7507c | 401 | fclose(fp); |
7e03f383 KZ |
402 | |
403 | if (path_exist(_PATH_SYS_SYSTEM "/cpu/kernel_max")) | |
3d6e5c35 | 404 | /* note that kernel_max is maximum index [NR_CPUS-1] */ |
ca01695b | 405 | maxcpus = path_read_s32(_PATH_SYS_SYSTEM "/cpu/kernel_max") + 1; |
7e03f383 | 406 | |
8148217b | 407 | else if (mod->system == SYSTEM_LIVE) |
7e03f383 KZ |
408 | /* the root is '/' so we are working with data from the current kernel */ |
409 | maxcpus = get_max_number_of_cpus(); | |
701e2b8e KZ |
410 | |
411 | if (maxcpus <= 0) | |
412 | /* error or we are reading some /sys snapshot instead of the | |
413 | * real /sys, let's use any crazy number... */ | |
a5cfffff TK |
414 | maxcpus = 2048; |
415 | ||
416 | setsize = CPU_ALLOC_SIZE(maxcpus); | |
417 | ||
418 | if (path_exist(_PATH_SYS_SYSTEM "/cpu/possible")) { | |
ca01695b | 419 | cpu_set_t *tmp = path_read_cpulist(maxcpus, _PATH_SYS_SYSTEM "/cpu/possible"); |
a5cfffff TK |
420 | desc->ncpuspos = CPU_COUNT_S(setsize, tmp); |
421 | cpuset_free(tmp); | |
422 | } else | |
423 | err(EXIT_FAILURE, _("failed to determine number of CPUs: %s"), | |
424 | _PATH_SYS_SYSTEM "/cpu/possible"); | |
425 | ||
426 | ||
427 | /* get mask for present CPUs */ | |
428 | if (path_exist(_PATH_SYS_SYSTEM "/cpu/present")) { | |
ca01695b | 429 | desc->present = path_read_cpulist(maxcpus, _PATH_SYS_SYSTEM "/cpu/present"); |
a5cfffff TK |
430 | desc->ncpus = CPU_COUNT_S(setsize, desc->present); |
431 | } | |
aac1e59e KZ |
432 | |
433 | /* get mask for online CPUs */ | |
e282eec2 | 434 | if (path_exist(_PATH_SYS_SYSTEM "/cpu/online")) { |
ca01695b | 435 | desc->online = path_read_cpulist(maxcpus, _PATH_SYS_SYSTEM "/cpu/online"); |
e282eec2 KZ |
436 | desc->nthreads = CPU_COUNT_S(setsize, desc->online); |
437 | } | |
a0fff77e HC |
438 | |
439 | /* get dispatching mode */ | |
440 | if (path_exist(_PATH_SYS_SYSTEM "/cpu/dispatching")) | |
ca01695b | 441 | desc->dispatching = path_read_s32(_PATH_SYS_SYSTEM "/cpu/dispatching"); |
a0fff77e HC |
442 | else |
443 | desc->dispatching = -1; | |
5dd7507c CQ |
444 | } |
445 | ||
c8b64f6d | 446 | static int |
140014a4 | 447 | has_pci_device(unsigned int vendor, unsigned int device) |
c8b64f6d KZ |
448 | { |
449 | FILE *f; | |
13cf6fc8 | 450 | unsigned int num, fn, ven, dev; |
c8b64f6d KZ |
451 | int res = 1; |
452 | ||
d50363cd | 453 | f = path_fopen("r", 0, _PATH_PROC_PCIDEVS); |
c8b64f6d KZ |
454 | if (!f) |
455 | return 0; | |
456 | ||
457 | /* for more details about bus/pci/devices format see | |
458 | * drivers/pci/proc.c in linux kernel | |
459 | */ | |
460 | while(fscanf(f, "%02x%02x\t%04x%04x\t%*[^\n]", | |
461 | &num, &fn, &ven, &dev) == 4) { | |
462 | ||
463 | if (ven == vendor && dev == device) | |
464 | goto found; | |
465 | } | |
466 | ||
467 | res = 0; | |
468 | found: | |
469 | fclose(f); | |
470 | return res; | |
471 | } | |
472 | ||
473 | #if defined(__x86_64__) || defined(__i386__) | |
474 | ||
475 | /* | |
476 | * This CPUID leaf returns the information about the hypervisor. | |
477 | * EAX : maximum input value for CPUID supported by the hypervisor. | |
478 | * EBX, ECX, EDX : Hypervisor vendor ID signature. E.g. VMwareVMware. | |
479 | */ | |
480 | #define HYPERVISOR_INFO_LEAF 0x40000000 | |
481 | ||
482 | static inline void | |
483 | cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, | |
484 | unsigned int *ecx, unsigned int *edx) | |
485 | { | |
c9239f23 MF |
486 | __asm__( |
487 | #if defined(__PIC__) && defined(__i386__) | |
488 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
489 | "pushl %%ebx;" | |
490 | "cpuid;" | |
491 | "movl %%ebx, %%esi;" | |
492 | "popl %%ebx;" | |
493 | : "=S" (*ebx), | |
494 | #else | |
495 | "cpuid;" | |
496 | : "=b" (*ebx), | |
497 | #endif | |
498 | "=a" (*eax), | |
c8b64f6d KZ |
499 | "=c" (*ecx), |
500 | "=d" (*edx) | |
bc54770d | 501 | : "1" (op), "c"(0)); |
c8b64f6d KZ |
502 | } |
503 | ||
504 | static void | |
e8aa16ee | 505 | read_hypervisor_cpuid(struct lscpu_desc *desc) |
c8b64f6d KZ |
506 | { |
507 | unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0; | |
508 | char hyper_vendor_id[13]; | |
509 | ||
510 | memset(hyper_vendor_id, 0, sizeof(hyper_vendor_id)); | |
511 | ||
512 | cpuid(HYPERVISOR_INFO_LEAF, &eax, &ebx, &ecx, &edx); | |
513 | memcpy(hyper_vendor_id + 0, &ebx, 4); | |
514 | memcpy(hyper_vendor_id + 4, &ecx, 4); | |
515 | memcpy(hyper_vendor_id + 8, &edx, 4); | |
516 | hyper_vendor_id[12] = '\0'; | |
517 | ||
518 | if (!hyper_vendor_id[0]) | |
519 | return; | |
520 | ||
521 | if (!strncmp("XenVMMXenVMM", hyper_vendor_id, 12)) | |
e8aa16ee | 522 | desc->hyper = HYPER_XEN; |
c8b64f6d | 523 | else if (!strncmp("KVMKVMKVM", hyper_vendor_id, 9)) |
e8aa16ee | 524 | desc->hyper = HYPER_KVM; |
c8b64f6d | 525 | else if (!strncmp("Microsoft Hv", hyper_vendor_id, 12)) |
e8aa16ee | 526 | desc->hyper = HYPER_MSHV; |
99fbc877 SH |
527 | else if (!strncmp("VMwareVMware", hyper_vendor_id, 12)) |
528 | desc->hyper = HYPER_VMWARE; | |
c8b64f6d KZ |
529 | } |
530 | ||
531 | #else /* ! __x86_64__ */ | |
532 | static void | |
6d791b4c | 533 | read_hypervisor_cpuid(struct lscpu_desc *desc __attribute__((__unused__))) |
c8b64f6d KZ |
534 | { |
535 | } | |
536 | #endif | |
537 | ||
538 | static void | |
eff79ceb | 539 | read_hypervisor(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
c8b64f6d | 540 | { |
fb2627ce OO |
541 | FILE *fd; |
542 | ||
543 | if (mod->system != SYSTEM_SNAPSHOT) { | |
eff79ceb | 544 | read_hypervisor_cpuid(desc); |
fb2627ce OO |
545 | if (!desc->hyper) |
546 | desc->hyper = read_hypervisor_dmi(); | |
547 | } | |
c8b64f6d | 548 | |
e8aa16ee | 549 | if (desc->hyper) |
e8aa16ee | 550 | desc->virtype = VIRT_FULL; |
c8b64f6d | 551 | |
fb2627ce | 552 | /* Xen para-virt or dom0 */ |
d50363cd | 553 | else if (path_exist(_PATH_PROC_XEN)) { |
c8b64f6d | 554 | int dom0 = 0; |
fb2627ce | 555 | fd = path_fopen("r", 0, _PATH_PROC_XENCAP); |
c8b64f6d KZ |
556 | |
557 | if (fd) { | |
558 | char buf[256]; | |
559 | ||
560 | if (fscanf(fd, "%s", buf) == 1 && | |
561 | !strcmp(buf, "control_d")) | |
562 | dom0 = 1; | |
563 | fclose(fd); | |
564 | } | |
e8aa16ee KZ |
565 | desc->virtype = dom0 ? VIRT_NONE : VIRT_PARA; |
566 | desc->hyper = HYPER_XEN; | |
c8b64f6d | 567 | |
fb2627ce | 568 | /* Xen full-virt on non-x86_64 */ |
c8b64f6d | 569 | } else if (has_pci_device(0x5853, 0x0001)) { |
e8aa16ee KZ |
570 | desc->hyper = HYPER_XEN; |
571 | desc->virtype = VIRT_FULL; | |
fb2627ce OO |
572 | |
573 | /* IBM PR/SM */ | |
b8ec7bdf | 574 | } else if (path_exist(_PATH_PROC_SYSINFO)) { |
145a3ca3 | 575 | FILE *sysinfo_fd = path_fopen("r", 0, _PATH_PROC_SYSINFO); |
b8ec7bdf HC |
576 | char buf[BUFSIZ]; |
577 | ||
145a3ca3 | 578 | if (!sysinfo_fd) |
b3eff5dd | 579 | return; |
b8ec7bdf | 580 | desc->hyper = HYPER_IBM; |
10829cd7 | 581 | desc->hypervisor = "PR/SM"; |
b8ec7bdf | 582 | desc->virtype = VIRT_FULL; |
145a3ca3 | 583 | while (fgets(buf, sizeof(buf), sysinfo_fd) != NULL) { |
10829cd7 HC |
584 | char *str; |
585 | ||
b8ec7bdf HC |
586 | if (!strstr(buf, "Control Program:")) |
587 | continue; | |
588 | if (!strstr(buf, "KVM")) | |
589 | desc->hyper = HYPER_IBM; | |
590 | else | |
591 | desc->hyper = HYPER_KVM; | |
10829cd7 HC |
592 | str = strchr(buf, ':'); |
593 | if (!str) | |
594 | continue; | |
9d8537ff KZ |
595 | xasprintf(&str, "%s", str + 1); |
596 | ||
10829cd7 HC |
597 | /* remove leading, trailing and repeating whitespace */ |
598 | while (*str == ' ') | |
599 | str++; | |
600 | desc->hypervisor = str; | |
601 | str += strlen(str) - 1; | |
602 | while ((*str == '\n') || (*str == ' ')) | |
603 | *(str--) = '\0'; | |
604 | while ((str = strstr(desc->hypervisor, " "))) | |
605 | memmove(str, str + 1, strlen(str)); | |
b8ec7bdf | 606 | } |
145a3ca3 | 607 | fclose(sysinfo_fd); |
c8b64f6d | 608 | } |
fb2627ce OO |
609 | |
610 | /* OpenVZ/Virtuozzo - /proc/vz dir should exist | |
611 | * /proc/bc should not */ | |
857d9cdf | 612 | else if (path_exist(_PATH_PROC_VZ) && !path_exist(_PATH_PROC_BC)) { |
fb2627ce | 613 | desc->hyper = HYPER_PARALLELS; |
857d9cdf | 614 | desc->virtype = VIRT_CONT; |
fb2627ce OO |
615 | |
616 | /* IBM */ | |
857d9cdf | 617 | } else if (desc->vendor && |
fb2627ce | 618 | (strcmp(desc->vendor, "PowerVM Lx86") == 0 || |
857d9cdf | 619 | strcmp(desc->vendor, "IBM/S390") == 0)) { |
fb2627ce | 620 | desc->hyper = HYPER_IBM; |
857d9cdf | 621 | desc->virtype = VIRT_FULL; |
fb2627ce OO |
622 | |
623 | /* User-mode-linux */ | |
857d9cdf | 624 | } else if (desc->modelname && strstr(desc->modelname, "UML")) { |
fb2627ce | 625 | desc->hyper = HYPER_UML; |
857d9cdf | 626 | desc->virtype = VIRT_PARA; |
fb2627ce OO |
627 | |
628 | /* Linux-VServer */ | |
857d9cdf | 629 | } else if (path_exist(_PATH_PROC_STATUS)) { |
fb2627ce OO |
630 | char buf[BUFSIZ]; |
631 | char *val = NULL; | |
632 | ||
dbbf8395 | 633 | fd = path_fopen("r", 1, _PATH_PROC_STATUS); |
fb2627ce OO |
634 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
635 | if (lookup(buf, "VxID", &val)) | |
636 | break; | |
637 | } | |
638 | fclose(fd); | |
639 | ||
640 | if (val) { | |
641 | while (isdigit(*val)) | |
642 | ++val; | |
857d9cdf | 643 | if (!*val) { |
fb2627ce | 644 | desc->hyper = HYPER_VSERVER; |
857d9cdf KZ |
645 | desc->virtype = VIRT_CONT; |
646 | } | |
fb2627ce OO |
647 | } |
648 | } | |
c8b64f6d KZ |
649 | } |
650 | ||
455fe9a0 | 651 | /* add @set to the @ary, unnecessary set is deallocated. */ |
7e03f383 KZ |
652 | static int add_cpuset_to_array(cpu_set_t **ary, int *items, cpu_set_t *set) |
653 | { | |
654 | int i; | |
655 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
656 | ||
657 | if (!ary) | |
658 | return -1; | |
659 | ||
660 | for (i = 0; i < *items; i++) { | |
661 | if (CPU_EQUAL_S(setsize, set, ary[i])) | |
662 | break; | |
663 | } | |
664 | if (i == *items) { | |
665 | ary[*items] = set; | |
666 | ++*items; | |
667 | return 0; | |
668 | } | |
669 | CPU_FREE(set); | |
670 | return 1; | |
671 | } | |
672 | ||
5dd7507c | 673 | static void |
7e03f383 | 674 | read_topology(struct lscpu_desc *desc, int num) |
5dd7507c | 675 | { |
56baaa4e | 676 | cpu_set_t *thread_siblings, *core_siblings, *book_siblings; |
7e03f383 KZ |
677 | |
678 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/topology/thread_siblings", num)) | |
679 | return; | |
5dd7507c | 680 | |
ca01695b | 681 | thread_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
7e03f383 | 682 | "/cpu%d/topology/thread_siblings", num); |
ca01695b | 683 | core_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
7e03f383 | 684 | "/cpu%d/topology/core_siblings", num); |
56baaa4e HC |
685 | book_siblings = NULL; |
686 | if (path_exist(_PATH_SYS_CPU "/cpu%d/topology/book_siblings", num)) { | |
ca01695b | 687 | book_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
56baaa4e HC |
688 | "/cpu%d/topology/book_siblings", num); |
689 | } | |
aac1e59e KZ |
690 | |
691 | if (!desc->coremaps) { | |
56baaa4e | 692 | int nbooks, nsockets, ncores, nthreads; |
7e03f383 KZ |
693 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
694 | ||
695 | /* threads within one core */ | |
696 | nthreads = CPU_COUNT_S(setsize, thread_siblings); | |
d4bfa64d KZ |
697 | if (!nthreads) |
698 | nthreads = 1; | |
699 | ||
7e03f383 KZ |
700 | /* cores within one socket */ |
701 | ncores = CPU_COUNT_S(setsize, core_siblings) / nthreads; | |
d4bfa64d KZ |
702 | if (!ncores) |
703 | ncores = 1; | |
704 | ||
705 | /* number of sockets within one book. Because of odd / | |
706 | * non-present cpu maps and to keep calculation easy we make | |
707 | * sure that nsockets and nbooks is at least 1. | |
32a46618 | 708 | */ |
d4bfa64d KZ |
709 | nsockets = desc->ncpus / nthreads / ncores; |
710 | if (!nsockets) | |
711 | nsockets = 1; | |
712 | ||
56baaa4e | 713 | /* number of books */ |
d4bfa64d KZ |
714 | nbooks = desc->ncpus / nthreads / ncores / nsockets; |
715 | if (!nbooks) | |
716 | nbooks = 1; | |
e282eec2 KZ |
717 | |
718 | /* all threads, see also read_basicinfo() | |
32a46618 | 719 | * -- fallback for kernels without |
e282eec2 KZ |
720 | * /sys/devices/system/cpu/online. |
721 | */ | |
722 | if (!desc->nthreads) | |
32a46618 | 723 | desc->nthreads = nbooks * nsockets * ncores * nthreads; |
d4bfa64d | 724 | |
a5cfffff | 725 | /* For each map we make sure that it can have up to ncpuspos |
9d1a3a18 HC |
726 | * entries. This is because we cannot reliably calculate the |
727 | * number of cores, sockets and books on all architectures. | |
728 | * E.g. completely virtualized architectures like s390 may | |
729 | * have multiple sockets of different sizes. | |
730 | */ | |
a5cfffff TK |
731 | desc->coremaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
732 | desc->socketmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); | |
08de16d0 | 733 | if (book_siblings) |
a5cfffff | 734 | desc->bookmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 735 | } |
5dd7507c | 736 | |
7e03f383 KZ |
737 | add_cpuset_to_array(desc->socketmaps, &desc->nsockets, core_siblings); |
738 | add_cpuset_to_array(desc->coremaps, &desc->ncores, thread_siblings); | |
56baaa4e HC |
739 | if (book_siblings) |
740 | add_cpuset_to_array(desc->bookmaps, &desc->nbooks, book_siblings); | |
7e03f383 | 741 | } |
2b8fcb81 HC |
742 | static void |
743 | read_polarization(struct lscpu_desc *desc, int num) | |
744 | { | |
745 | char mode[64]; | |
746 | ||
747 | if (desc->dispatching < 0) | |
748 | return; | |
749 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/polarization", num)) | |
750 | return; | |
751 | if (!desc->polarization) | |
a5cfffff | 752 | desc->polarization = xcalloc(desc->ncpuspos, sizeof(int)); |
ca01695b | 753 | path_read_str(mode, sizeof(mode), _PATH_SYS_CPU "/cpu%d/polarization", num); |
2b8fcb81 HC |
754 | if (strncmp(mode, "vertical:low", sizeof(mode)) == 0) |
755 | desc->polarization[num] = POLAR_VLOW; | |
756 | else if (strncmp(mode, "vertical:medium", sizeof(mode)) == 0) | |
757 | desc->polarization[num] = POLAR_VMEDIUM; | |
758 | else if (strncmp(mode, "vertical:high", sizeof(mode)) == 0) | |
759 | desc->polarization[num] = POLAR_VHIGH; | |
760 | else if (strncmp(mode, "horizontal", sizeof(mode)) == 0) | |
761 | desc->polarization[num] = POLAR_HORIZONTAL; | |
762 | else | |
763 | desc->polarization[num] = POLAR_UNKNOWN; | |
764 | } | |
7e03f383 | 765 | |
596b8845 HC |
766 | static void |
767 | read_address(struct lscpu_desc *desc, int num) | |
768 | { | |
769 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/address", num)) | |
770 | return; | |
771 | if (!desc->addresses) | |
a5cfffff | 772 | desc->addresses = xcalloc(desc->ncpuspos, sizeof(int)); |
ca01695b | 773 | desc->addresses[num] = path_read_s32(_PATH_SYS_CPU "/cpu%d/address", num); |
596b8845 | 774 | } |
7e03f383 | 775 | |
d231eea1 HC |
776 | static void |
777 | read_configured(struct lscpu_desc *desc, int num) | |
778 | { | |
779 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/configure", num)) | |
780 | return; | |
781 | if (!desc->configured) | |
a5cfffff | 782 | desc->configured = xcalloc(desc->ncpuspos, sizeof(int)); |
ca01695b | 783 | desc->configured[num] = path_read_s32(_PATH_SYS_CPU "/cpu%d/configure", num); |
d231eea1 HC |
784 | } |
785 | ||
44320710 SK |
786 | static void |
787 | read_max_mhz(struct lscpu_desc *desc, int num) | |
788 | { | |
789 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/cpufreq/cpuinfo_max_freq", num)) | |
790 | return; | |
e065a597 DB |
791 | if (!desc->maxmhz) |
792 | desc->maxmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
793 | xasprintf(&(desc->maxmhz[num]), "%.4f", | |
44320710 SK |
794 | (float)path_read_s32(_PATH_SYS_CPU |
795 | "/cpu%d/cpufreq/cpuinfo_max_freq", num) / 1000); | |
796 | } | |
797 | ||
e065a597 DB |
798 | static void |
799 | read_min_mhz(struct lscpu_desc *desc, int num) | |
800 | { | |
801 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/cpufreq/cpuinfo_min_freq", num)) | |
802 | return; | |
803 | if (!desc->minmhz) | |
804 | desc->minmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
805 | xasprintf(&(desc->minmhz[num]), "%.4f", | |
806 | (float)path_read_s32(_PATH_SYS_CPU | |
807 | "/cpu%d/cpufreq/cpuinfo_min_freq", num) / 1000); | |
808 | } | |
809 | ||
7e03f383 KZ |
810 | static int |
811 | cachecmp(const void *a, const void *b) | |
812 | { | |
813 | struct cpu_cache *c1 = (struct cpu_cache *) a; | |
814 | struct cpu_cache *c2 = (struct cpu_cache *) b; | |
815 | ||
816 | return strcmp(c2->name, c1->name); | |
5dd7507c CQ |
817 | } |
818 | ||
819 | static void | |
7e03f383 | 820 | read_cache(struct lscpu_desc *desc, int num) |
5dd7507c CQ |
821 | { |
822 | char buf[256]; | |
7e03f383 | 823 | int i; |
5dd7507c | 824 | |
aac1e59e | 825 | if (!desc->ncaches) { |
7e03f383 KZ |
826 | while(path_exist(_PATH_SYS_SYSTEM "/cpu/cpu%d/cache/index%d", |
827 | num, desc->ncaches)) | |
828 | desc->ncaches++; | |
5dd7507c | 829 | |
7e03f383 KZ |
830 | if (!desc->ncaches) |
831 | return; | |
5dd7507c | 832 | |
08de16d0 | 833 | desc->caches = xcalloc(desc->ncaches, sizeof(*desc->caches)); |
7e03f383 KZ |
834 | } |
835 | for (i = 0; i < desc->ncaches; i++) { | |
836 | struct cpu_cache *ca = &desc->caches[i]; | |
837 | cpu_set_t *map; | |
838 | ||
dcdead42 HC |
839 | if (!path_exist(_PATH_SYS_SYSTEM "/cpu/cpu%d/cache/index%d", |
840 | num, i)) | |
841 | continue; | |
7e03f383 KZ |
842 | if (!ca->name) { |
843 | int type, level; | |
844 | ||
845 | /* cache type */ | |
ca01695b | 846 | path_read_str(buf, sizeof(buf), |
7e03f383 KZ |
847 | _PATH_SYS_CPU "/cpu%d/cache/index%d/type", |
848 | num, i); | |
849 | if (!strcmp(buf, "Data")) | |
850 | type = 'd'; | |
851 | else if (!strcmp(buf, "Instruction")) | |
852 | type = 'i'; | |
853 | else | |
854 | type = 0; | |
855 | ||
856 | /* cache level */ | |
ca01695b | 857 | level = path_read_s32(_PATH_SYS_CPU "/cpu%d/cache/index%d/level", |
7e03f383 KZ |
858 | num, i); |
859 | if (type) | |
860 | snprintf(buf, sizeof(buf), "L%d%c", level, type); | |
861 | else | |
862 | snprintf(buf, sizeof(buf), "L%d", level); | |
863 | ||
864 | ca->name = xstrdup(buf); | |
865 | ||
866 | /* cache size */ | |
ca01695b | 867 | path_read_str(buf, sizeof(buf), |
7e03f383 KZ |
868 | _PATH_SYS_CPU "/cpu%d/cache/index%d/size", |
869 | num, i); | |
870 | ca->size = xstrdup(buf); | |
871 | } | |
5dd7507c | 872 | |
7e03f383 | 873 | /* information about how CPUs share different caches */ |
ca01695b | 874 | map = path_read_cpuset(maxcpus, |
8148217b HC |
875 | _PATH_SYS_CPU "/cpu%d/cache/index%d/shared_cpu_map", |
876 | num, i); | |
5dd7507c | 877 | |
08de16d0 | 878 | if (!ca->sharedmaps) |
a5cfffff | 879 | ca->sharedmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 880 | add_cpuset_to_array(ca->sharedmaps, &ca->nsharedmaps, map); |
5dd7507c CQ |
881 | } |
882 | } | |
883 | ||
884 | static void | |
e8aa16ee | 885 | read_nodes(struct lscpu_desc *desc) |
5dd7507c CQ |
886 | { |
887 | int i; | |
888 | ||
889 | /* number of NUMA node */ | |
7e03f383 KZ |
890 | while (path_exist(_PATH_SYS_SYSTEM "/node/node%d", desc->nnodes)) |
891 | desc->nnodes++; | |
892 | ||
893 | if (!desc->nnodes) | |
894 | return; | |
5dd7507c | 895 | |
08de16d0 | 896 | desc->nodemaps = xcalloc(desc->nnodes, sizeof(cpu_set_t *)); |
5dd7507c CQ |
897 | |
898 | /* information about how nodes share different CPUs */ | |
7e03f383 | 899 | for (i = 0; i < desc->nnodes; i++) |
ca01695b | 900 | desc->nodemaps[i] = path_read_cpuset(maxcpus, |
5dd7507c CQ |
901 | _PATH_SYS_SYSTEM "/node/node%d/cpumap", |
902 | i); | |
903 | } | |
904 | ||
e3b3a2f3 KZ |
905 | static char * |
906 | get_cell_data(struct lscpu_desc *desc, int cpu, int col, | |
907 | struct lscpu_modifier *mod, | |
908 | char *buf, size_t bufsz) | |
5dd7507c | 909 | { |
7e03f383 | 910 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
e9d659ea | 911 | size_t idx; |
e3b3a2f3 KZ |
912 | |
913 | *buf = '\0'; | |
5dd7507c | 914 | |
477251f8 KZ |
915 | switch (col) { |
916 | case COL_CPU: | |
e3b3a2f3 | 917 | snprintf(buf, bufsz, "%d", cpu); |
477251f8 KZ |
918 | break; |
919 | case COL_CORE: | |
e9d659ea KZ |
920 | if (cpuset_ary_isset(cpu, desc->coremaps, |
921 | desc->ncores, setsize, &idx) == 0) | |
e3b3a2f3 | 922 | snprintf(buf, bufsz, "%zd", idx); |
477251f8 KZ |
923 | break; |
924 | case COL_SOCKET: | |
e9d659ea KZ |
925 | if (cpuset_ary_isset(cpu, desc->socketmaps, |
926 | desc->nsockets, setsize, &idx) == 0) | |
e3b3a2f3 | 927 | snprintf(buf, bufsz, "%zd", idx); |
477251f8 KZ |
928 | break; |
929 | case COL_NODE: | |
e9d659ea KZ |
930 | if (cpuset_ary_isset(cpu, desc->nodemaps, |
931 | desc->nnodes, setsize, &idx) == 0) | |
e3b3a2f3 | 932 | snprintf(buf, bufsz, "%zd", idx); |
477251f8 KZ |
933 | break; |
934 | case COL_BOOK: | |
e9d659ea KZ |
935 | if (cpuset_ary_isset(cpu, desc->bookmaps, |
936 | desc->nbooks, setsize, &idx) == 0) | |
e3b3a2f3 | 937 | snprintf(buf, bufsz, "%zd", idx); |
477251f8 KZ |
938 | break; |
939 | case COL_CACHE: | |
e3b3a2f3 KZ |
940 | { |
941 | char *p = buf; | |
942 | size_t sz = bufsz; | |
943 | int j; | |
944 | ||
7e03f383 KZ |
945 | for (j = desc->ncaches - 1; j >= 0; j--) { |
946 | struct cpu_cache *ca = &desc->caches[j]; | |
e9d659ea KZ |
947 | |
948 | if (cpuset_ary_isset(cpu, ca->sharedmaps, | |
e3b3a2f3 KZ |
949 | ca->nsharedmaps, setsize, &idx) == 0) { |
950 | int x = snprintf(p, sz, "%zd", idx); | |
951 | if (x <= 0 || (size_t) x + 2 >= sz) | |
952 | return NULL; | |
953 | p += x; | |
954 | sz -= x; | |
955 | } | |
956 | if (j != 0) { | |
957 | *p++ = mod->compat ? ',' : ':'; | |
958 | *p = '\0'; | |
959 | sz++; | |
960 | } | |
5dd7507c | 961 | } |
477251f8 | 962 | break; |
e3b3a2f3 | 963 | } |
2b8fcb81 | 964 | case COL_POLARIZATION: |
ba45d8c1 KZ |
965 | if (desc->polarization) { |
966 | int x = desc->polarization[cpu]; | |
967 | ||
e3b3a2f3 | 968 | snprintf(buf, bufsz, "%s", |
ba45d8c1 KZ |
969 | mod->mode == OUTPUT_PARSABLE ? |
970 | polar_modes[x].parsable : | |
971 | polar_modes[x].readable); | |
972 | } | |
2b8fcb81 | 973 | break; |
596b8845 HC |
974 | case COL_ADDRESS: |
975 | if (desc->addresses) | |
e3b3a2f3 | 976 | snprintf(buf, bufsz, "%d", desc->addresses[cpu]); |
596b8845 | 977 | break; |
d231eea1 | 978 | case COL_CONFIGURED: |
e43fc13e HC |
979 | if (!desc->configured) |
980 | break; | |
981 | if (mod->mode == OUTPUT_PARSABLE) | |
d231eea1 HC |
982 | snprintf(buf, bufsz, |
983 | desc->configured[cpu] ? _("Y") : _("N")); | |
e43fc13e HC |
984 | else |
985 | snprintf(buf, bufsz, | |
847b982e | 986 | desc->configured[cpu] ? _("yes") : _("no")); |
d231eea1 | 987 | break; |
a7e5300c | 988 | case COL_ONLINE: |
e43fc13e HC |
989 | if (!desc->online) |
990 | break; | |
991 | if (mod->mode == OUTPUT_PARSABLE) | |
992 | snprintf(buf, bufsz, | |
993 | is_cpu_online(desc, cpu) ? _("Y") : _("N")); | |
994 | else | |
995 | snprintf(buf, bufsz, | |
847b982e | 996 | is_cpu_online(desc, cpu) ? _("yes") : _("no")); |
a7e5300c | 997 | break; |
e065a597 DB |
998 | case COL_MAXMHZ: |
999 | if (desc->maxmhz) | |
1000 | xstrncpy(buf, desc->maxmhz[cpu], bufsz); | |
1001 | break; | |
1002 | case COL_MINMHZ: | |
1003 | if (desc->minmhz) | |
1004 | xstrncpy(buf, desc->minmhz[cpu], bufsz); | |
44320710 | 1005 | break; |
477251f8 | 1006 | } |
e3b3a2f3 KZ |
1007 | return buf; |
1008 | } | |
1009 | ||
1010 | static char * | |
1011 | get_cell_header(struct lscpu_desc *desc, int col, | |
1012 | struct lscpu_modifier *mod, | |
1013 | char *buf, size_t bufsz) | |
1014 | { | |
1015 | *buf = '\0'; | |
1016 | ||
1017 | if (col == COL_CACHE) { | |
1018 | char *p = buf; | |
1019 | size_t sz = bufsz; | |
1020 | int i; | |
1021 | ||
1022 | for (i = desc->ncaches - 1; i >= 0; i--) { | |
1023 | int x = snprintf(p, sz, "%s", desc->caches[i].name); | |
1024 | if (x <= 0 || (size_t) x + 2 > sz) | |
1025 | return NULL; | |
1026 | sz -= x; | |
1027 | p += x; | |
1028 | if (i > 0) { | |
1029 | *p++ = mod->compat ? ',' : ':'; | |
1030 | *p = '\0'; | |
1031 | sz++; | |
1032 | } | |
1033 | } | |
1034 | if (desc->ncaches) | |
1035 | return buf; | |
1036 | } | |
756d79cd | 1037 | snprintf(buf, bufsz, "%s", coldescs[col].name); |
e3b3a2f3 | 1038 | return buf; |
477251f8 KZ |
1039 | } |
1040 | ||
1041 | /* | |
ba45d8c1 | 1042 | * [-p] backend, we support two parsable formats: |
477251f8 KZ |
1043 | * |
1044 | * 1) "compatible" -- this format is compatible with the original lscpu(1) | |
1045 | * output and it contains fixed set of the columns. The CACHE columns are at | |
1046 | * the end of the line and the CACHE is not printed if the number of the caches | |
1047 | * is zero. The CACHE columns are separated by two commas, for example: | |
1048 | * | |
1049 | * $ lscpu --parse | |
1050 | * # CPU,Core,Socket,Node,,L1d,L1i,L2 | |
1051 | * 0,0,0,0,,0,0,0 | |
1052 | * 1,1,0,0,,1,1,0 | |
1053 | * | |
1054 | * 2) "user defined output" -- this format prints always all columns without | |
1055 | * special prefix for CACHE column. If there are not CACHEs then the column is | |
1056 | * empty and the header "Cache" is printed rather than a real name of the cache. | |
1057 | * The CACHE columns are separated by ':'. | |
1058 | * | |
1059 | * $ lscpu --parse=CPU,CORE,SOCKET,NODE,CACHE | |
1060 | * # CPU,Core,Socket,Node,L1d:L1i:L2 | |
1061 | * 0,0,0,0,0:0:0 | |
1062 | * 1,1,0,0,1:1:0 | |
1063 | */ | |
1064 | static void | |
8005924a KZ |
1065 | print_parsable(struct lscpu_desc *desc, int cols[], int ncols, |
1066 | struct lscpu_modifier *mod) | |
477251f8 | 1067 | { |
e3b3a2f3 KZ |
1068 | char buf[BUFSIZ], *data; |
1069 | int i; | |
477251f8 | 1070 | |
e3b3a2f3 KZ |
1071 | /* |
1072 | * Header | |
1073 | */ | |
477251f8 KZ |
1074 | printf(_( |
1075 | "# The following is the parsable format, which can be fed to other\n" | |
1076 | "# programs. Each different item in every column has an unique ID\n" | |
1077 | "# starting from zero.\n")); | |
1078 | ||
1079 | fputs("# ", stdout); | |
1080 | for (i = 0; i < ncols; i++) { | |
3d27b76a | 1081 | int col = cols[i]; |
b9d18bc3 | 1082 | |
3d27b76a | 1083 | if (col == COL_CACHE) { |
8005924a | 1084 | if (mod->compat && !desc->ncaches) |
477251f8 | 1085 | continue; |
8005924a | 1086 | if (mod->compat && i != 0) |
477251f8 | 1087 | putchar(','); |
477251f8 | 1088 | } |
e3b3a2f3 KZ |
1089 | if (i > 0) |
1090 | putchar(','); | |
1091 | ||
3d27b76a | 1092 | data = get_cell_header(desc, col, mod, buf, sizeof(buf)); |
b9d18bc3 | 1093 | |
3d27b76a KZ |
1094 | if (data && * data && col != COL_CACHE && |
1095 | !coldescs[col].is_abbr) { | |
1096 | /* | |
1097 | * For normal column names use mixed case (e.g. "Socket") | |
1098 | */ | |
1099 | char *p = data + 1; | |
1100 | ||
14e8be8a PU |
1101 | while (p && *p != '\0') { |
1102 | *p = tolower((unsigned int) *p); | |
1103 | p++; | |
1104 | } | |
3d27b76a | 1105 | } |
e3b3a2f3 | 1106 | fputs(data && *data ? data : "", stdout); |
477251f8 KZ |
1107 | } |
1108 | putchar('\n'); | |
1109 | ||
e3b3a2f3 KZ |
1110 | /* |
1111 | * Data | |
1112 | */ | |
a5cfffff | 1113 | for (i = 0; i < desc->ncpuspos; i++) { |
e3b3a2f3 KZ |
1114 | int c; |
1115 | ||
7afc2387 HC |
1116 | if (!mod->offline && desc->online && !is_cpu_online(desc, i)) |
1117 | continue; | |
1118 | if (!mod->online && desc->online && is_cpu_online(desc, i)) | |
477251f8 | 1119 | continue; |
a5cfffff TK |
1120 | if (desc->present && !is_cpu_present(desc, i)) |
1121 | continue; | |
477251f8 | 1122 | for (c = 0; c < ncols; c++) { |
8005924a | 1123 | if (mod->compat && cols[c] == COL_CACHE) { |
477251f8 KZ |
1124 | if (!desc->ncaches) |
1125 | continue; | |
1126 | if (c > 0) | |
1127 | putchar(','); | |
1128 | } | |
1129 | if (c > 0) | |
1130 | putchar(','); | |
e3b3a2f3 KZ |
1131 | |
1132 | data = get_cell_data(desc, i, cols[c], mod, | |
1133 | buf, sizeof(buf)); | |
1134 | fputs(data && *data ? data : "", stdout); | |
477251f8 | 1135 | } |
5dd7507c CQ |
1136 | putchar('\n'); |
1137 | } | |
1138 | } | |
1139 | ||
ba45d8c1 KZ |
1140 | /* |
1141 | * [-e] backend | |
1142 | */ | |
1143 | static void | |
1144 | print_readable(struct lscpu_desc *desc, int cols[], int ncols, | |
1145 | struct lscpu_modifier *mod) | |
1146 | { | |
1147 | int i; | |
1148 | char buf[BUFSIZ], *data; | |
082479c5 | 1149 | struct tt *tt = tt_new_table(TT_FL_FREEDATA); |
ba45d8c1 KZ |
1150 | |
1151 | if (!tt) | |
1152 | err(EXIT_FAILURE, _("failed to initialize output table")); | |
1153 | ||
1154 | for (i = 0; i < ncols; i++) { | |
b9d18bc3 | 1155 | data = get_cell_header(desc, cols[i], mod, buf, sizeof(buf)); |
ba45d8c1 KZ |
1156 | tt_define_column(tt, xstrdup(data), 0, 0); |
1157 | } | |
1158 | ||
a5cfffff | 1159 | for (i = 0; i < desc->ncpuspos; i++) { |
ba45d8c1 KZ |
1160 | int c; |
1161 | struct tt_line *line; | |
1162 | ||
7afc2387 HC |
1163 | if (!mod->offline && desc->online && !is_cpu_online(desc, i)) |
1164 | continue; | |
1165 | if (!mod->online && desc->online && is_cpu_online(desc, i)) | |
ba45d8c1 | 1166 | continue; |
a5cfffff TK |
1167 | if (desc->present && !is_cpu_present(desc, i)) |
1168 | continue; | |
ba45d8c1 KZ |
1169 | |
1170 | line = tt_add_line(tt, NULL); | |
1171 | ||
1172 | for (c = 0; c < ncols; c++) { | |
1173 | data = get_cell_data(desc, i, cols[c], mod, | |
1174 | buf, sizeof(buf)); | |
082479c5 KZ |
1175 | tt_line_set_data(line, c, |
1176 | xstrdup(data && *data ? data : "-")); | |
ba45d8c1 KZ |
1177 | } |
1178 | } | |
1179 | ||
1180 | tt_print_table(tt); | |
082479c5 | 1181 | tt_free_table(tt); |
ba45d8c1 | 1182 | } |
5dd7507c CQ |
1183 | |
1184 | /* output formats "<key> <value>"*/ | |
1185 | #define print_s(_key, _val) printf("%-23s%s\n", _key, _val) | |
1186 | #define print_n(_key, _val) printf("%-23s%d\n", _key, _val) | |
1187 | ||
1188 | static void | |
4f912c6a KZ |
1189 | print_cpuset(const char *key, cpu_set_t *set, int hex) |
1190 | { | |
1191 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
1192 | size_t setbuflen = 7 * maxcpus; | |
1193 | char setbuf[setbuflen], *p; | |
1194 | ||
1195 | if (hex) { | |
1196 | p = cpumask_create(setbuf, setbuflen, set, setsize); | |
1197 | printf("%-23s0x%s\n", key, p); | |
1198 | } else { | |
1199 | p = cpulist_create(setbuf, setbuflen, set, setsize); | |
1200 | print_s(key, p); | |
1201 | } | |
1202 | ||
1203 | } | |
1204 | ||
ba45d8c1 KZ |
1205 | /* |
1206 | * default output | |
1207 | */ | |
4f912c6a | 1208 | static void |
8005924a | 1209 | print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 1210 | { |
7e03f383 KZ |
1211 | char buf[512]; |
1212 | int i; | |
aac1e59e | 1213 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
7e03f383 | 1214 | |
e6b0611b | 1215 | print_s(_("Architecture:"), desc->arch); |
79e8b41a | 1216 | |
f633ad4e | 1217 | if (desc->mode) { |
2d7bee25 | 1218 | char mbuf[64], *p = mbuf; |
79e8b41a | 1219 | |
f633ad4e | 1220 | if (desc->mode & MODE_32BIT) { |
79e8b41a KZ |
1221 | strcpy(p, "32-bit, "); |
1222 | p += 8; | |
1223 | } | |
f633ad4e | 1224 | if (desc->mode & MODE_64BIT) { |
79e8b41a KZ |
1225 | strcpy(p, "64-bit, "); |
1226 | p += 8; | |
1227 | } | |
1228 | *(p - 2) = '\0'; | |
2d7bee25 | 1229 | print_s(_("CPU op-mode(s):"), mbuf); |
79e8b41a | 1230 | } |
aabe2441 | 1231 | #if !defined(WORDS_BIGENDIAN) |
9b8d4d5f DB |
1232 | print_s(_("Byte Order:"), "Little Endian"); |
1233 | #else | |
1234 | print_s(_("Byte Order:"), "Big Endian"); | |
9b8d4d5f | 1235 | #endif |
4a939e04 | 1236 | print_n(_("CPU(s):"), desc->ncpus); |
4f912c6a | 1237 | |
5d4ba40d | 1238 | if (desc->online) |
8005924a KZ |
1239 | print_cpuset(mod->hex ? _("On-line CPU(s) mask:") : |
1240 | _("On-line CPU(s) list:"), | |
1241 | desc->online, mod->hex); | |
4f912c6a | 1242 | |
5d4ba40d | 1243 | if (desc->online && CPU_COUNT_S(setsize, desc->online) != desc->ncpus) { |
4f912c6a KZ |
1244 | cpu_set_t *set; |
1245 | ||
1246 | /* Linux kernel provides cpuset of off-line CPUs that contains | |
1247 | * all configured CPUs (see /sys/devices/system/cpu/offline), | |
1248 | * but want to print real (present in system) off-line CPUs only. | |
1249 | */ | |
1250 | set = cpuset_alloc(maxcpus, NULL, NULL); | |
1251 | if (!set) | |
1252 | err(EXIT_FAILURE, _("failed to callocate cpu set")); | |
1253 | CPU_ZERO_S(setsize, set); | |
a5cfffff TK |
1254 | for (i = 0; i < desc->ncpuspos; i++) { |
1255 | if (!is_cpu_online(desc, i) && is_cpu_present(desc, i)) | |
4f912c6a KZ |
1256 | CPU_SET_S(i, setsize, set); |
1257 | } | |
8005924a KZ |
1258 | print_cpuset(mod->hex ? _("Off-line CPU(s) mask:") : |
1259 | _("Off-line CPU(s) list:"), | |
1260 | set, mod->hex); | |
4f912c6a KZ |
1261 | cpuset_free(set); |
1262 | } | |
5dd7507c | 1263 | |
7e03f383 | 1264 | if (desc->nsockets) { |
8648ca96 HC |
1265 | int cores_per_socket, sockets_per_book, books; |
1266 | ||
1267 | cores_per_socket = sockets_per_book = books = 0; | |
1268 | /* s390 detects its cpu topology via /proc/sysinfo, if present. | |
1269 | * Using simply the cpu topology masks in sysfs will not give | |
1270 | * usable results since everything is virtualized. E.g. | |
1271 | * virtual core 0 may have only 1 cpu, but virtual core 2 may | |
1272 | * five cpus. | |
1273 | * If the cpu topology is not exported (e.g. 2nd level guest) | |
1274 | * fall back to old calculation scheme. | |
1275 | */ | |
1276 | if (path_exist(_PATH_PROC_SYSINFO)) { | |
1277 | FILE *fd = path_fopen("r", 0, _PATH_PROC_SYSINFO); | |
2d7bee25 | 1278 | char pbuf[BUFSIZ]; |
8648ca96 HC |
1279 | int t0, t1, t2; |
1280 | ||
2d7bee25 SK |
1281 | while (fd && fgets(pbuf, sizeof(pbuf), fd) != NULL) { |
1282 | if (sscanf(pbuf, "CPU Topology SW:%d%d%d%d%d%d", | |
8648ca96 HC |
1283 | &t0, &t1, &t2, &books, &sockets_per_book, |
1284 | &cores_per_socket) == 6) | |
1285 | break; | |
1286 | } | |
ad655c88 KZ |
1287 | if (fd) |
1288 | fclose(fd); | |
8648ca96 | 1289 | } |
7e03f383 | 1290 | print_n(_("Thread(s) per core:"), desc->nthreads / desc->ncores); |
8648ca96 HC |
1291 | print_n(_("Core(s) per socket:"), |
1292 | cores_per_socket ?: desc->ncores / desc->nsockets); | |
56baaa4e | 1293 | if (desc->nbooks) { |
8648ca96 HC |
1294 | print_n(_("Socket(s) per book:"), |
1295 | sockets_per_book ?: desc->nsockets / desc->nbooks); | |
1296 | print_n(_("Book(s):"), books ?: desc->nbooks); | |
56baaa4e | 1297 | } else { |
8648ca96 | 1298 | print_n(_("Socket(s):"), sockets_per_book ?: desc->nsockets); |
56baaa4e | 1299 | } |
5dd7507c | 1300 | } |
7e03f383 KZ |
1301 | if (desc->nnodes) |
1302 | print_n(_("NUMA node(s):"), desc->nnodes); | |
e8aa16ee KZ |
1303 | if (desc->vendor) |
1304 | print_s(_("Vendor ID:"), desc->vendor); | |
1305 | if (desc->family) | |
1306 | print_s(_("CPU family:"), desc->family); | |
1307 | if (desc->model) | |
1308 | print_s(_("Model:"), desc->model); | |
1461094c KZ |
1309 | if (desc->modelname) |
1310 | print_s(_("Model name:"), desc->modelname); | |
e8aa16ee KZ |
1311 | if (desc->stepping) |
1312 | print_s(_("Stepping:"), desc->stepping); | |
1313 | if (desc->mhz) | |
1314 | print_s(_("CPU MHz:"), desc->mhz); | |
e065a597 DB |
1315 | if (desc->maxmhz) |
1316 | print_s(_("CPU max MHz:"), desc->maxmhz[0]); | |
1317 | if (desc->minmhz) | |
1318 | print_s(_("CPU min MHz:"), desc->minmhz[0]); | |
9b8d4d5f DB |
1319 | if (desc->bogomips) |
1320 | print_s(_("BogoMIPS:"), desc->bogomips); | |
e8aa16ee KZ |
1321 | if (desc->virtflag) { |
1322 | if (!strcmp(desc->virtflag, "svm")) | |
5dd7507c | 1323 | print_s(_("Virtualization:"), "AMD-V"); |
e8aa16ee | 1324 | else if (!strcmp(desc->virtflag, "vmx")) |
5dd7507c CQ |
1325 | print_s(_("Virtualization:"), "VT-x"); |
1326 | } | |
10829cd7 HC |
1327 | if (desc->hypervisor) |
1328 | print_s(_("Hypervisor:"), desc->hypervisor); | |
e8aa16ee KZ |
1329 | if (desc->hyper) { |
1330 | print_s(_("Hypervisor vendor:"), hv_vendors[desc->hyper]); | |
50c6ee4c | 1331 | print_s(_("Virtualization type:"), _(virt_types[desc->virtype])); |
c8b64f6d | 1332 | } |
a0fff77e | 1333 | if (desc->dispatching >= 0) |
50c6ee4c | 1334 | print_s(_("Dispatching mode:"), _(disp_modes[desc->dispatching])); |
7e03f383 | 1335 | if (desc->ncaches) { |
2d7bee25 | 1336 | char cbuf[512]; |
5dd7507c | 1337 | |
7e03f383 | 1338 | for (i = desc->ncaches - 1; i >= 0; i--) { |
2d7bee25 | 1339 | snprintf(cbuf, sizeof(cbuf), |
7e03f383 | 1340 | _("%s cache:"), desc->caches[i].name); |
2d7bee25 | 1341 | print_s(cbuf, desc->caches[i].size); |
7e03f383 KZ |
1342 | } |
1343 | } | |
1344 | ||
4f912c6a KZ |
1345 | for (i = 0; i < desc->nnodes; i++) { |
1346 | snprintf(buf, sizeof(buf), _("NUMA node%d CPU(s):"), i); | |
8005924a | 1347 | print_cpuset(buf, desc->nodemaps[i], mod->hex); |
5dd7507c CQ |
1348 | } |
1349 | } | |
1350 | ||
39561c70 | 1351 | static void __attribute__((__noreturn__)) usage(FILE *out) |
5dd7507c | 1352 | { |
b9d18bc3 KZ |
1353 | size_t i; |
1354 | ||
1355 | fputs(USAGE_HEADER, out); | |
c6f095cf | 1356 | fprintf(out, _(" %s [options]\n"), program_invocation_short_name); |
7f1ec5e8 | 1357 | |
b9d18bc3 | 1358 | fputs(USAGE_OPTIONS, out); |
c6f095cf BS |
1359 | fputs(_(" -a, --all print both online and offline CPUs (default for -e)\n"), out); |
1360 | fputs(_(" -b, --online print online CPUs only (default for -p)\n"), out); | |
1361 | fputs(_(" -c, --offline print offline CPUs only\n"), out); | |
1362 | fputs(_(" -e, --extended[=<list>] print out an extended readable format\n"), out); | |
1363 | fputs(_(" -p, --parse[=<list>] print out a parsable format\n"), out); | |
1364 | fputs(_(" -s, --sysroot <dir> use specified directory as system root\n"), out); | |
1365 | fputs(_(" -x, --hex print hexadecimal masks rather than lists of CPUs\n"), out); | |
1366 | fputs(USAGE_SEPARATOR, out); | |
1367 | fputs(USAGE_HELP, out); | |
1368 | fputs(USAGE_VERSION, out); | |
b9d18bc3 KZ |
1369 | |
1370 | fprintf(out, _("\nAvailable columns:\n")); | |
1371 | ||
3d27b76a KZ |
1372 | for (i = 0; i < ARRAY_SIZE(coldescs); i++) |
1373 | fprintf(out, " %13s %s\n", coldescs[i].name, _(coldescs[i].help)); | |
1374 | ||
b9d18bc3 | 1375 | fprintf(out, _("\nFor more details see lscpu(1).\n")); |
4f912c6a | 1376 | |
39561c70 | 1377 | exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); |
5dd7507c CQ |
1378 | } |
1379 | ||
1380 | int main(int argc, char *argv[]) | |
1381 | { | |
8005924a KZ |
1382 | struct lscpu_modifier _mod = { .mode = OUTPUT_SUMMARY }, *mod = &_mod; |
1383 | struct lscpu_desc _desc = { .flags = 0 }, *desc = &_desc; | |
1384 | int c, i; | |
3d27b76a | 1385 | int columns[ARRAY_SIZE(coldescs)], ncolumns = 0; |
7fc12cd2 | 1386 | int cpu_modifier_specified = 0; |
5dd7507c | 1387 | |
6c7d5ae9 | 1388 | static const struct option longopts[] = { |
0ad29ff6 | 1389 | { "all", no_argument, 0, 'a' }, |
23e9e95a | 1390 | { "online", no_argument, 0, 'b' }, |
7afc2387 | 1391 | { "offline", no_argument, 0, 'c' }, |
47b6e8b6 | 1392 | { "help", no_argument, 0, 'h' }, |
ba45d8c1 | 1393 | { "extended", optional_argument, 0, 'e' }, |
477251f8 | 1394 | { "parse", optional_argument, 0, 'p' }, |
47b6e8b6 | 1395 | { "sysroot", required_argument, 0, 's' }, |
4f912c6a | 1396 | { "hex", no_argument, 0, 'x' }, |
44de912c | 1397 | { "version", no_argument, 0, 'V' }, |
5dd7507c CQ |
1398 | { NULL, 0, 0, 0 } |
1399 | }; | |
1400 | ||
8e97eb4b KZ |
1401 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
1402 | { 'a','b','c' }, | |
1403 | { 'e','p' }, | |
1404 | { 0 } | |
1405 | }; | |
1406 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
1407 | ||
2f8f1388 | 1408 | setlocale(LC_ALL, ""); |
5dd7507c CQ |
1409 | bindtextdomain(PACKAGE, LOCALEDIR); |
1410 | textdomain(PACKAGE); | |
efb8854f | 1411 | atexit(close_stdout); |
5dd7507c | 1412 | |
7afc2387 | 1413 | while ((c = getopt_long(argc, argv, "abce::hp::s:xV", longopts, NULL)) != -1) { |
8e97eb4b KZ |
1414 | |
1415 | err_exclusive_options(c, longopts, excl, excl_st); | |
1416 | ||
5dd7507c | 1417 | switch (c) { |
0ad29ff6 | 1418 | case 'a': |
7afc2387 | 1419 | mod->online = mod->offline = 1; |
7fc12cd2 | 1420 | cpu_modifier_specified = 1; |
0ad29ff6 | 1421 | break; |
23e9e95a KZ |
1422 | case 'b': |
1423 | mod->online = 1; | |
7fc12cd2 | 1424 | cpu_modifier_specified = 1; |
23e9e95a | 1425 | break; |
7afc2387 HC |
1426 | case 'c': |
1427 | mod->offline = 1; | |
7fc12cd2 | 1428 | cpu_modifier_specified = 1; |
7afc2387 | 1429 | break; |
5dd7507c | 1430 | case 'h': |
39561c70 | 1431 | usage(stdout); |
5dd7507c | 1432 | case 'p': |
ba45d8c1 | 1433 | case 'e': |
477251f8 KZ |
1434 | if (optarg) { |
1435 | if (*optarg == '=') | |
1436 | optarg++; | |
1437 | ncolumns = string_to_idarray(optarg, | |
1438 | columns, ARRAY_SIZE(columns), | |
1439 | column_name_to_id); | |
1440 | if (ncolumns < 0) | |
1441 | return EXIT_FAILURE; | |
477251f8 | 1442 | } |
ba45d8c1 | 1443 | mod->mode = c == 'p' ? OUTPUT_PARSABLE : OUTPUT_READABLE; |
5dd7507c | 1444 | break; |
47b6e8b6 | 1445 | case 's': |
ca01695b | 1446 | path_set_prefix(optarg); |
8148217b | 1447 | mod->system = SYSTEM_SNAPSHOT; |
47b6e8b6 | 1448 | break; |
4f912c6a | 1449 | case 'x': |
8005924a | 1450 | mod->hex = 1; |
4f912c6a | 1451 | break; |
44de912c HC |
1452 | case 'V': |
1453 | printf(_("%s from %s\n"), program_invocation_short_name, | |
1454 | PACKAGE_STRING); | |
1455 | return EXIT_SUCCESS; | |
5dd7507c | 1456 | default: |
39561c70 | 1457 | usage(stderr); |
5dd7507c CQ |
1458 | } |
1459 | } | |
7bbb7829 | 1460 | |
7fc12cd2 HC |
1461 | if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) { |
1462 | fprintf(stderr, | |
1463 | _("%s: options --all, --online and --offline may only " | |
ac56e555 | 1464 | "be used with options --extended or --parse.\n"), |
7fc12cd2 HC |
1465 | program_invocation_short_name); |
1466 | return EXIT_FAILURE; | |
1467 | } | |
1468 | ||
7bbb7829 HC |
1469 | if (argc != optind) |
1470 | usage(stderr); | |
1471 | ||
7afc2387 HC |
1472 | /* set default cpu display mode if none was specified */ |
1473 | if (!mod->online && !mod->offline) { | |
1474 | mod->online = 1; | |
1475 | mod->offline = mod->mode == OUTPUT_READABLE ? 1 : 0; | |
1476 | } | |
5dd7507c | 1477 | |
8148217b | 1478 | read_basicinfo(desc, mod); |
5dd7507c | 1479 | |
a5cfffff | 1480 | for (i = 0; i < desc->ncpuspos; i++) { |
7e03f383 KZ |
1481 | read_topology(desc, i); |
1482 | read_cache(desc, i); | |
2b8fcb81 | 1483 | read_polarization(desc, i); |
596b8845 | 1484 | read_address(desc, i); |
d231eea1 | 1485 | read_configured(desc, i); |
44320710 | 1486 | read_max_mhz(desc, i); |
e065a597 | 1487 | read_min_mhz(desc, i); |
47b6e8b6 | 1488 | } |
7e03f383 | 1489 | |
960bf130 KZ |
1490 | if (desc->caches) |
1491 | qsort(desc->caches, desc->ncaches, | |
1492 | sizeof(struct cpu_cache), cachecmp); | |
7e03f383 KZ |
1493 | |
1494 | read_nodes(desc); | |
eff79ceb | 1495 | read_hypervisor(desc, mod); |
c8b64f6d | 1496 | |
8005924a | 1497 | switch(mod->mode) { |
ba45d8c1 KZ |
1498 | case OUTPUT_SUMMARY: |
1499 | print_summary(desc, mod); | |
1500 | break; | |
1501 | case OUTPUT_PARSABLE: | |
1502 | if (!ncolumns) { | |
1503 | columns[ncolumns++] = COL_CPU; | |
1504 | columns[ncolumns++] = COL_CORE; | |
1505 | columns[ncolumns++] = COL_SOCKET; | |
1506 | columns[ncolumns++] = COL_NODE; | |
1507 | columns[ncolumns++] = COL_CACHE; | |
1508 | mod->compat = 1; | |
1509 | } | |
1510 | print_parsable(desc, columns, ncolumns, mod); | |
1511 | break; | |
1512 | case OUTPUT_READABLE: | |
1513 | if (!ncolumns) { | |
1514 | /* No list was given. Just print whatever is there. */ | |
1515 | columns[ncolumns++] = COL_CPU; | |
1516 | if (desc->nodemaps) | |
8005924a | 1517 | columns[ncolumns++] = COL_NODE; |
ba45d8c1 KZ |
1518 | if (desc->bookmaps) |
1519 | columns[ncolumns++] = COL_BOOK; | |
1520 | if (desc->socketmaps) | |
1521 | columns[ncolumns++] = COL_SOCKET; | |
1522 | if (desc->coremaps) | |
1523 | columns[ncolumns++] = COL_CORE; | |
1524 | if (desc->caches) | |
8005924a | 1525 | columns[ncolumns++] = COL_CACHE; |
a7e5300c HC |
1526 | if (desc->online) |
1527 | columns[ncolumns++] = COL_ONLINE; | |
d231eea1 HC |
1528 | if (desc->configured) |
1529 | columns[ncolumns++] = COL_CONFIGURED; | |
ba45d8c1 KZ |
1530 | if (desc->polarization) |
1531 | columns[ncolumns++] = COL_POLARIZATION; | |
1532 | if (desc->addresses) | |
1533 | columns[ncolumns++] = COL_ADDRESS; | |
e065a597 DB |
1534 | if (desc->maxmhz) |
1535 | columns[ncolumns++] = COL_MAXMHZ; | |
1536 | if (desc->minmhz) | |
1537 | columns[ncolumns++] = COL_MINMHZ; | |
ba45d8c1 KZ |
1538 | } |
1539 | print_readable(desc, columns, ncolumns, mod); | |
1540 | break; | |
8005924a | 1541 | } |
5dd7507c | 1542 | |
cf474aac | 1543 | return EXIT_SUCCESS; |
5dd7507c | 1544 | } |