Lines Matching +full:cpu +full:- +full:1
1 // SPDX-License-Identifier: GPL-2.0
22 * CPU number.
30 __u32 bit_mask32 = 1U << (i & 31); in perf_record_cpu_map_data__test_bit()
32 __u64 bit_mask64 = ((__u64)1) << (i & 63); in perf_record_cpu_map_data__test_bit()
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()
53 bitmap[1] = 0; 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()
69 map = perf_cpu_map__empty_new(data->cpus_data.nr); 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()
92 int weight = 0, mask_nr = data->mask32_data.nr; 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()
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()
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()
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()
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()
184 refcount_set(&cpus->refcnt, 1); in cpu_aggr_map__empty_new()
190 static int cpu__get_topology_int(int cpu, const char *name, int *value) in cpu__get_topology_int() argument
195 "devices/system/cpu/cpu%d/topology/%s", cpu, name); in cpu__get_topology_int()
200 int cpu__get_socket_id(struct perf_cpu cpu) in cpu__get_socket_id() argument
202 int value, ret = cpu__get_topology_int(cpu.cpu, "physical_package_id", &value); in cpu__get_socket_id()
206 struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__socket() argument
210 id.socket = cpu__get_socket_id(cpu); in aggr_cpu_id__socket()
219 if (a->node != b->node) in aggr_cpu_id__cmp()
220 return a->node - b->node; in aggr_cpu_id__cmp()
221 else if (a->socket != b->socket) in aggr_cpu_id__cmp()
222 return a->socket - b->socket; in aggr_cpu_id__cmp()
223 else if (a->die != b->die) in aggr_cpu_id__cmp()
224 return a->die - b->die; 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()
296 if (die == -1) in aggr_cpu_id__die()
304 id = aggr_cpu_id__socket(cpu, data); in aggr_cpu_id__die()
312 int cpu__get_core_id(struct perf_cpu cpu) in cpu__get_core_id() argument
314 int value, ret = cpu__get_topology_int(cpu.cpu, "core_id", &value); in cpu__get_core_id()
318 struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data) in aggr_cpu_id__core() argument
321 int core = cpu__get_core_id(cpu); in aggr_cpu_id__core()
324 id = aggr_cpu_id__die(cpu, data); in aggr_cpu_id__core()
337 struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data) in aggr_cpu_id__cpu() argument
342 id = aggr_cpu_id__core(cpu, data); in aggr_cpu_id__cpu()
346 id.cpu = cpu; in aggr_cpu_id__cpu()
351 struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__node() argument
355 id.node = cpu__get_node(cpu); in aggr_cpu_id__node()
359 struct aggr_cpu_id aggr_cpu_id__global(struct perf_cpu cpu, void *data __maybe_unused) in aggr_cpu_id__global() argument
363 /* it always aggregates to the cpu 0 */ in aggr_cpu_id__global()
364 cpu.cpu = 0; in aggr_cpu_id__global()
365 id.cpu = cpu; in aggr_cpu_id__global()
369 /* setup simple routines to easily access node numbers given a cpu number */
377 return -1; in get_max_num()
382 while (--num) { in get_max_num()
383 if ((buf[num] == ',') || (buf[num] == '-')) { in get_max_num()
388 if (sscanf(&buf[num], "%d", max) < 1) { in get_max_num()
389 err = -1; in get_max_num()
393 /* convert from 0-based to 1-based */ in get_max_num()
401 /* Determine highest possible cpu in the system for sparse allocation */
406 int ret = -1; in set_max_cpu_num()
409 max_cpu_num.cpu = 4096; in set_max_cpu_num()
410 max_present_cpu_num.cpu = 4096; in set_max_cpu_num()
416 /* get the highest possible cpu number for a sparse allocation */ in set_max_cpu_num()
417 ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt); in set_max_cpu_num()
423 ret = get_max_num(path, &max_cpu_num.cpu); in set_max_cpu_num()
427 /* get the highest present cpu number for a sparse allocation */ in set_max_cpu_num()
428 ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/present", mnt); in set_max_cpu_num()
434 ret = get_max_num(path, &max_present_cpu_num.cpu); in set_max_cpu_num()
438 pr_err("Failed to read max cpus, using default of %d\n", max_cpu_num.cpu); in set_max_cpu_num()
446 int ret = -1; in set_max_node_num()
455 /* get the highest possible cpu number for a sparse allocation */ in set_max_node_num()
479 if (unlikely(!max_cpu_num.cpu)) in cpu__max_cpu()
487 if (unlikely(!max_present_cpu_num.cpu)) in cpu__max_present_cpu()
494 int cpu__get_node(struct perf_cpu cpu) in cpu__get_node() argument
498 return -1; in cpu__get_node()
501 return cpunode_map[cpu.cpu]; in cpu__get_node()
511 cpunode_map = calloc(max_cpu_num.cpu, sizeof(int)); in init_cpunode_map()
514 return -1; in init_cpunode_map()
517 for (i = 0; i < max_cpu_num.cpu; i++) in init_cpunode_map()
518 cpunode_map[i] = -1; in init_cpunode_map()
527 unsigned int cpu, mem; in cpu__setup_cpunode_map() local
535 return -1; in cpu__setup_cpunode_map()
544 return -1; in cpu__setup_cpunode_map()
553 if (dent1->d_type != DT_DIR || sscanf(dent1->d_name, "node%u", &mem) < 1) in cpu__setup_cpunode_map()
556 n = snprintf(buf, PATH_MAX, "%s/%s", path, dent1->d_name); in cpu__setup_cpunode_map()
566 if (dent2->d_type != DT_LNK || sscanf(dent2->d_name, "cpu%u", &cpu) < 1) in cpu__setup_cpunode_map()
568 cpunode_map[cpu] = mem; in cpu__setup_cpunode_map()
578 int i, start = -1; in cpu_map__snprint()
584 for (i = 0; i < perf_cpu_map__nr(map) + 1; i++) { in cpu_map__snprint()
585 struct perf_cpu cpu = { .cpu = INT_MAX }; in cpu_map__snprint() local
589 cpu = perf_cpu_map__cpu(map, i); in cpu_map__snprint()
591 if (start == -1) { in cpu_map__snprint()
594 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
596 perf_cpu_map__cpu(map, i).cpu); in cpu_map__snprint()
598 } else if (((i - start) != (cpu.cpu - perf_cpu_map__cpu(map, start).cpu)) || last) { in cpu_map__snprint()
599 int end = i - 1; in cpu_map__snprint()
602 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
604 perf_cpu_map__cpu(map, start).cpu); in cpu_map__snprint()
606 ret += snprintf(buf + ret, size - ret, in cpu_map__snprint()
607 "%s%d-%d", COMMA, in cpu_map__snprint()
608 perf_cpu_map__cpu(map, start).cpu, perf_cpu_map__cpu(map, end).cpu); in cpu_map__snprint()
626 return val - 10 + 'a'; in hex_char()
632 int i, cpu; in cpu_map__snprint_mask() local
635 struct perf_cpu last_cpu = perf_cpu_map__cpu(map, perf_cpu_map__nr(map) - 1); in cpu_map__snprint_mask()
640 bitmap = zalloc(last_cpu.cpu / 8 + 1); in cpu_map__snprint_mask()
647 cpu = perf_cpu_map__cpu(map, i).cpu; in cpu_map__snprint_mask()
648 bitmap[cpu / 8] |= 1 << (cpu % 8); in cpu_map__snprint_mask()
651 for (cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { in cpu_map__snprint_mask()
652 unsigned char bits = bitmap[cpu / 8]; in cpu_map__snprint_mask()
654 if (cpu % 8) in cpu_map__snprint_mask()
660 if ((cpu % 32) == 0 && cpu > 0) in cpu_map__snprint_mask()
666 buf[size - 1] = '\0'; in cpu_map__snprint_mask()
667 return ptr - buf; in cpu_map__snprint_mask()
675 online = perf_cpu_map__new(NULL); /* from /sys/devices/system/cpu/online */ in cpu_map__online()
682 return a->thread_idx == b->thread_idx && in aggr_cpu_id__equal()
683 a->node == b->node && in aggr_cpu_id__equal()
684 a->socket == b->socket && in aggr_cpu_id__equal()
685 a->die == b->die && in aggr_cpu_id__equal()
686 a->cache_lvl == b->cache_lvl && in aggr_cpu_id__equal()
687 a->cache == b->cache && in aggr_cpu_id__equal()
688 a->core == b->core && in aggr_cpu_id__equal()
689 a->cpu.cpu == b->cpu.cpu; in aggr_cpu_id__equal()
694 return a->thread_idx == -1 && in aggr_cpu_id__is_empty()
695 a->node == -1 && in aggr_cpu_id__is_empty()
696 a->socket == -1 && in aggr_cpu_id__is_empty()
697 a->die == -1 && in aggr_cpu_id__is_empty()
698 a->cache_lvl == -1 && in aggr_cpu_id__is_empty()
699 a->cache == -1 && in aggr_cpu_id__is_empty()
700 a->core == -1 && in aggr_cpu_id__is_empty()
701 a->cpu.cpu == -1; in aggr_cpu_id__is_empty()
707 .thread_idx = -1, in aggr_cpu_id__empty()
708 .node = -1, in aggr_cpu_id__empty()
709 .socket = -1, in aggr_cpu_id__empty()
710 .die = -1, in aggr_cpu_id__empty()
711 .cache_lvl = -1, in aggr_cpu_id__empty()
712 .cache = -1, in aggr_cpu_id__empty()
713 .core = -1, in aggr_cpu_id__empty()
714 .cpu = (struct perf_cpu){ .cpu = -1 }, in aggr_cpu_id__empty()