Lines Matching +full:cpu +full:- +full:map
1 // SPDX-License-Identifier: GPL-2.0
22 * CPU number.
34 return (data->mask32_data.long_size == 4) in perf_record_cpu_map_data__test_bit()
35 ? (bit_word32 < data->mask32_data.nr) && in perf_record_cpu_map_data__test_bit()
36 (data->mask32_data.mask[bit_word32] & bit_mask32) != 0 in perf_record_cpu_map_data__test_bit()
37 : (bit_word64 < data->mask64_data.nr) && in perf_record_cpu_map_data__test_bit()
38 (data->mask64_data.mask[bit_word64] & bit_mask64) != 0; in perf_record_cpu_map_data__test_bit()
41 /* Read ith mask value from data into the given 64-bit sized bitmap */
46 if (data->mask32_data.long_size == 4) in perf_record_cpu_map_data__read_one_mask()
47 bitmap[0] = data->mask32_data.mask[i]; in perf_record_cpu_map_data__read_one_mask()
49 bitmap[0] = data->mask64_data.mask[i]; in perf_record_cpu_map_data__read_one_mask()
51 if (data->mask32_data.long_size == 4) { in perf_record_cpu_map_data__read_one_mask()
52 bitmap[0] = data->mask32_data.mask[i]; in perf_record_cpu_map_data__read_one_mask()
56 bitmap[0] = (unsigned long)(data->mask64_data.mask[i] >> 32); in perf_record_cpu_map_data__read_one_mask()
57 bitmap[1] = (unsigned long)data->mask64_data.mask[i]; in perf_record_cpu_map_data__read_one_mask()
59 bitmap[0] = (unsigned long)data->mask64_data.mask[i]; in perf_record_cpu_map_data__read_one_mask()
60 bitmap[1] = (unsigned long)(data->mask64_data.mask[i] >> 32); in perf_record_cpu_map_data__read_one_mask()
67 struct perf_cpu_map *map; in cpu_map__from_entries() local
69 map = perf_cpu_map__empty_new(data->cpus_data.nr); in cpu_map__from_entries()
70 if (map) { in cpu_map__from_entries()
73 for (i = 0; i < data->cpus_data.nr; i++) { in cpu_map__from_entries()
75 * Special treatment for -1, which is not real cpu number, in cpu_map__from_entries()
76 * and we need to use (int) -1 to initialize map[i], in cpu_map__from_entries()
79 if (data->cpus_data.cpu[i] == (u16) -1) in cpu_map__from_entries()
80 RC_CHK_ACCESS(map)->map[i].cpu = -1; in cpu_map__from_entries()
82 RC_CHK_ACCESS(map)->map[i].cpu = (int) data->cpus_data.cpu[i]; in cpu_map__from_entries()
86 return map; in cpu_map__from_entries()
92 int weight = 0, mask_nr = data->mask32_data.nr; in cpu_map__from_mask()
93 struct perf_cpu_map *map; in cpu_map__from_mask() local
100 map = perf_cpu_map__empty_new(weight); in cpu_map__from_mask()
101 if (!map) in cpu_map__from_mask()
105 int cpus_per_i = (i * data->mask32_data.long_size * BITS_PER_BYTE); in cpu_map__from_mask()
106 int cpu; in cpu_map__from_mask() local
109 for_each_set_bit(cpu, local_copy, 64) in cpu_map__from_mask()
110 RC_CHK_ACCESS(map)->map[j++].cpu = cpu + cpus_per_i; in cpu_map__from_mask()
112 return map; in cpu_map__from_mask()
118 struct perf_cpu_map *map; in cpu_map__from_range() local
121 map = perf_cpu_map__empty_new(data->range_cpu_data.end_cpu - in cpu_map__from_range()
122 data->range_cpu_data.start_cpu + 1 + data->range_cpu_data.any_cpu); in cpu_map__from_range()
123 if (!map) in cpu_map__from_range()
126 if (data->range_cpu_data.any_cpu) in cpu_map__from_range()
127 RC_CHK_ACCESS(map)->map[i++].cpu = -1; in cpu_map__from_range()
129 for (int cpu = data->range_cpu_data.start_cpu; cpu <= data->range_cpu_data.end_cpu; in cpu_map__from_range() local
130 i++, cpu++) in cpu_map__from_range()
131 RC_CHK_ACCESS(map)->map[i].cpu = cpu; in cpu_map__from_range()
133 return map; in cpu_map__from_range()
138 switch (data->type) { in cpu_map__new_data()
146 pr_err("cpu_map__new_data unknown type %d\n", data->type); in cpu_map__new_data()
151 size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp) in cpu_map__fprintf() argument
156 cpu_map__snprint(map, buf, sizeof(buf)); in cpu_map__fprintf()
167 RC_CHK_ACCESS(cpus)->map[i].cpu = -1; in perf_cpu_map__empty_new()
180 cpus->nr = nr; in cpu_aggr_map__empty_new()
182 cpus->map[i] = aggr_cpu_id__empty(); in cpu_aggr_map__empty_new()
188 static int cpu__get_topology_int(int cpu, const char *name, int *value) in cpu__get_topology_int() argument
193 "devices/system/cpu/cpu%d/topology/%s", cpu, name); in cpu__get_topology_int()
198 int cpu__get_socket_id(struct perf_cpu cpu) in cpu__get_socket_id() argument
200 int value, ret = cpu__get_topology_int(cpu.cpu, "physical_package_id", &value); in cpu__get_socket_id()
204 struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__socket() argument
208 id.socket = cpu__get_socket_id(cpu); in aggr_cpu_id__socket()
217 if (a->node != b->node) in aggr_cpu_id__cmp()
218 return a->node - b->node; in aggr_cpu_id__cmp()
219 else if (a->socket != b->socket) in aggr_cpu_id__cmp()
220 return a->socket - b->socket; in aggr_cpu_id__cmp()
221 else if (a->die != b->die) in aggr_cpu_id__cmp()
222 return a->die - b->die; in aggr_cpu_id__cmp()
223 else if (a->cluster != b->cluster) in aggr_cpu_id__cmp()
224 return a->cluster - b->cluster; in aggr_cpu_id__cmp()
225 else if (a->cache_lvl != b->cache_lvl) in aggr_cpu_id__cmp()
226 return a->cache_lvl - b->cache_lvl; in aggr_cpu_id__cmp()
227 else if (a->cache != b->cache) in aggr_cpu_id__cmp()
228 return a->cache - b->cache; in aggr_cpu_id__cmp()
229 else if (a->core != b->core) in aggr_cpu_id__cmp()
230 return a->core - b->core; in aggr_cpu_id__cmp()
232 return a->thread_idx - b->thread_idx; in aggr_cpu_id__cmp()
240 struct perf_cpu cpu; in cpu_aggr_map__new() local
247 c->nr = 0; in cpu_aggr_map__new()
249 perf_cpu_map__for_each_cpu(cpu, idx, cpus) { in cpu_aggr_map__new()
251 struct aggr_cpu_id cpu_id = get_id(cpu, data); in cpu_aggr_map__new()
253 for (int j = 0; j < c->nr; j++) { in cpu_aggr_map__new()
254 if (aggr_cpu_id__equal(&cpu_id, &c->map[j])) { in cpu_aggr_map__new()
260 c->map[c->nr] = cpu_id; in cpu_aggr_map__new()
261 c->nr++; in cpu_aggr_map__new()
265 if (c->nr != perf_cpu_map__nr(cpus)) { in cpu_aggr_map__new()
268 sizeof(struct cpu_aggr_map) + sizeof(struct aggr_cpu_id) * c->nr); in cpu_aggr_map__new()
276 qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), aggr_cpu_id__cmp); in cpu_aggr_map__new()
282 int cpu__get_die_id(struct perf_cpu cpu) in cpu__get_die_id() argument
284 int value, ret = cpu__get_topology_int(cpu.cpu, "die_id", &value); in cpu__get_die_id()
289 struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data) in aggr_cpu_id__die() argument
294 die = cpu__get_die_id(cpu); in aggr_cpu_id__die()
304 id = aggr_cpu_id__socket(cpu, data); in aggr_cpu_id__die()
312 int cpu__get_cluster_id(struct perf_cpu cpu) in cpu__get_cluster_id() argument
314 int value, ret = cpu__get_topology_int(cpu.cpu, "cluster_id", &value); in cpu__get_cluster_id()
319 struct aggr_cpu_id aggr_cpu_id__cluster(struct perf_cpu cpu, void *data) in aggr_cpu_id__cluster() argument
321 int cluster = cpu__get_cluster_id(cpu); in aggr_cpu_id__cluster()
328 id = aggr_cpu_id__die(cpu, data); in aggr_cpu_id__cluster()
336 int cpu__get_core_id(struct perf_cpu cpu) in cpu__get_core_id() argument
338 int value, ret = cpu__get_topology_int(cpu.cpu, "core_id", &value); in cpu__get_core_id()
342 struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data) in aggr_cpu_id__core() argument
345 int core = cpu__get_core_id(cpu); in aggr_cpu_id__core()
348 id = aggr_cpu_id__cluster(cpu, data); in aggr_cpu_id__core()
361 struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data) in aggr_cpu_id__cpu() argument
366 id = aggr_cpu_id__core(cpu, data); in aggr_cpu_id__cpu()
370 id.cpu = cpu; in aggr_cpu_id__cpu()
375 struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__node() argument
379 id.node = cpu__get_node(cpu); in aggr_cpu_id__node()
383 struct aggr_cpu_id aggr_cpu_id__global(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__global() argument
387 /* it always aggregates to the cpu 0 */ in aggr_cpu_id__global()
388 cpu.cpu = 0; in aggr_cpu_id__global()
389 id.cpu = cpu; in aggr_cpu_id__global()
393 /* setup simple routines to easily access node numbers given a cpu number */
401 return -1; in get_max_num()
406 while (--num) { in get_max_num()
407 if ((buf[num] == ',') || (buf[num] == '-')) { in get_max_num()
413 err = -1; in get_max_num()
417 /* convert from 0-based to 1-based */ in get_max_num()
425 /* Determine highest possible cpu in the system for sparse allocation */
430 int ret = -1; in set_max_cpu_num()
433 max_cpu_num.cpu = 4096; in set_max_cpu_num()
434 max_present_cpu_num.cpu = 4096; in set_max_cpu_num()
440 /* get the highest possible cpu number for a sparse allocation */ in set_max_cpu_num()
441 ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt); in set_max_cpu_num()
447 ret = get_max_num(path, &max_cpu_num.cpu); in set_max_cpu_num()
451 /* get the highest present cpu number for a sparse allocation */ in set_max_cpu_num()
452 ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/present", mnt); in set_max_cpu_num()
458 ret = get_max_num(path, &max_present_cpu_num.cpu); in set_max_cpu_num()
462 pr_err("Failed to read max cpus, using default of %d\n", max_cpu_num.cpu); in set_max_cpu_num()
470 int ret = -1; in set_max_node_num()
479 /* get the highest possible cpu number for a sparse allocation */ in set_max_node_num()
503 if (unlikely(!max_cpu_num.cpu)) in cpu__max_cpu()
511 if (unlikely(!max_present_cpu_num.cpu)) in cpu__max_present_cpu()
518 int cpu__get_node(struct perf_cpu cpu) in cpu__get_node() argument
522 return -1; in cpu__get_node()
525 return cpunode_map[cpu.cpu]; in cpu__get_node()
535 cpunode_map = calloc(max_cpu_num.cpu, sizeof(int)); in init_cpunode_map()
538 return -1; in init_cpunode_map()
541 for (i = 0; i < max_cpu_num.cpu; i++) in init_cpunode_map()
542 cpunode_map[i] = -1; in init_cpunode_map()
551 unsigned int cpu, mem; in cpu__setup_cpunode_map() local
559 return -1; in cpu__setup_cpunode_map()
568 return -1; in cpu__setup_cpunode_map()
575 /* walk tree and setup map */ in cpu__setup_cpunode_map()
577 if (dent1->d_type != DT_DIR || sscanf(dent1->d_name, "node%u", &mem) < 1) in cpu__setup_cpunode_map()
580 n = snprintf(buf, PATH_MAX, "%s/%s", path, dent1->d_name); in cpu__setup_cpunode_map()
590 if (dent2->d_type != DT_LNK || sscanf(dent2->d_name, "cpu%u", &cpu) < 1) in cpu__setup_cpunode_map()
592 cpunode_map[cpu] = mem; in cpu__setup_cpunode_map()
600 size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size) in cpu_map__snprint() argument
602 int i, start = -1; in cpu_map__snprint()
608 for (i = 0; i < perf_cpu_map__nr(map) + 1; i++) { in cpu_map__snprint()
609 struct perf_cpu cpu = { .cpu = INT_MAX }; in cpu_map__snprint() local
610 bool last = i == perf_cpu_map__nr(map); in cpu_map__snprint()
613 cpu = perf_cpu_map__cpu(map, i); in cpu_map__snprint()
615 if (start == -1) { in cpu_map__snprint()
618 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
620 perf_cpu_map__cpu(map, i).cpu); in cpu_map__snprint()
622 } else if (((i - start) != (cpu.cpu - perf_cpu_map__cpu(map, start).cpu)) || last) { in cpu_map__snprint()
623 int end = i - 1; in cpu_map__snprint()
626 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
628 perf_cpu_map__cpu(map, start).cpu); in cpu_map__snprint()
630 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
631 "%s%d-%d", COMMA, in cpu_map__snprint()
632 perf_cpu_map__cpu(map, start).cpu, perf_cpu_map__cpu(map, end).cpu); in cpu_map__snprint()
650 return val - 10 + 'a'; in hex_char()
654 size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size) in cpu_map__snprint_mask() argument
659 struct perf_cpu c, last_cpu = perf_cpu_map__max(map); in cpu_map__snprint_mask()
664 bitmap = zalloc(last_cpu.cpu / 8 + 1); in cpu_map__snprint_mask()
670 perf_cpu_map__for_each_cpu(c, idx, map) in cpu_map__snprint_mask()
671 bitmap[c.cpu / 8] |= 1 << (c.cpu % 8); in cpu_map__snprint_mask()
673 for (int cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { in cpu_map__snprint_mask() local
674 unsigned char bits = bitmap[cpu / 8]; in cpu_map__snprint_mask()
676 if (cpu % 8) in cpu_map__snprint_mask()
682 if ((cpu % 32) == 0 && cpu > 0) in cpu_map__snprint_mask()
688 buf[size - 1] = '\0'; in cpu_map__snprint_mask()
689 return ptr - buf; in cpu_map__snprint_mask()
697 online = perf_cpu_map__new_online_cpus(); /* from /sys/devices/system/cpu/online */ in cpu_map__online()
704 return a->thread_idx == b->thread_idx && in aggr_cpu_id__equal()
705 a->node == b->node && in aggr_cpu_id__equal()
706 a->socket == b->socket && in aggr_cpu_id__equal()
707 a->die == b->die && in aggr_cpu_id__equal()
708 a->cluster == b->cluster && in aggr_cpu_id__equal()
709 a->cache_lvl == b->cache_lvl && in aggr_cpu_id__equal()
710 a->cache == b->cache && in aggr_cpu_id__equal()
711 a->core == b->core && in aggr_cpu_id__equal()
712 a->cpu.cpu == b->cpu.cpu; in aggr_cpu_id__equal()
717 return a->thread_idx == -1 && in aggr_cpu_id__is_empty()
718 a->node == -1 && in aggr_cpu_id__is_empty()
719 a->socket == -1 && in aggr_cpu_id__is_empty()
720 a->die == -1 && in aggr_cpu_id__is_empty()
721 a->cluster == -1 && in aggr_cpu_id__is_empty()
722 a->cache_lvl == -1 && in aggr_cpu_id__is_empty()
723 a->cache == -1 && in aggr_cpu_id__is_empty()
724 a->core == -1 && in aggr_cpu_id__is_empty()
725 a->cpu.cpu == -1; in aggr_cpu_id__is_empty()
731 .thread_idx = -1, in aggr_cpu_id__empty()
732 .node = -1, in aggr_cpu_id__empty()
733 .socket = -1, in aggr_cpu_id__empty()
734 .die = -1, in aggr_cpu_id__empty()
735 .cluster = -1, in aggr_cpu_id__empty()
736 .cache_lvl = -1, in aggr_cpu_id__empty()
737 .cache = -1, in aggr_cpu_id__empty()
738 .core = -1, in aggr_cpu_id__empty()
739 .cpu = (struct perf_cpu){ .cpu = -1 }, in aggr_cpu_id__empty()