diff options
author | James Clark <james.clark@arm.com> | 2020-11-26 16:13:20 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-24 10:04:19 -0300 |
commit | 2760f5a14fe7aa466e38bbb92d0284fffc0e4da0 (patch) | |
tree | 4900ff590ce904072523c32b2c9756d7311fe5aa /tools/perf/util | |
parent | fa265e59b81a09fa3d88f3322b1e44d583cac9b0 (diff) | |
download | linux-2760f5a14fe7aa466e38bbb92d0284fffc0e4da0.tar.bz2 |
perf stat: Replace aggregation ID with a struct
Replace all occurences of the usage of int with the new struct
cpu_aggr_id.
No functional changes.
Signed-off-by: James Clark <james.clark@arm.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20201126141328.6509-5-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/cpumap.c | 82 | ||||
-rw-r--r-- | tools/perf/util/cpumap.h | 10 | ||||
-rw-r--r-- | tools/perf/util/stat-display.c | 108 | ||||
-rw-r--r-- | tools/perf/util/stat.c | 2 | ||||
-rw-r--r-- | tools/perf/util/stat.h | 5 |
5 files changed, 121 insertions, 86 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 8624948b4f1d..e05a12bde073 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -111,30 +111,37 @@ int cpu_map__get_socket_id(int cpu) return ret ?: value; } -int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data __maybe_unused) +struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, + void *data __maybe_unused) { int cpu; + struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); if (idx > map->nr) - return -1; + return id; cpu = map->map[idx]; - return cpu_map__get_socket_id(cpu); + id.id = cpu_map__get_socket_id(cpu); + return id; } -static int cmp_ids(const void *a, const void *b) +static int cmp_aggr_cpu_id(const void *a_pointer, const void *b_pointer) { - return *(int *)a - *(int *)b; + struct aggr_cpu_id *a = (struct aggr_cpu_id *)a_pointer; + struct aggr_cpu_id *b = (struct aggr_cpu_id *)b_pointer; + + return a->id - b->id; } int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res, - int (*f)(struct perf_cpu_map *map, int cpu, void *data), + struct aggr_cpu_id (*f)(struct perf_cpu_map *map, int cpu, void *data), void *data) { int nr = cpus->nr; struct perf_cpu_map *c = perf_cpu_map__empty_new(nr); - int cpu, s1, s2; + int cpu, s2; + struct aggr_cpu_id s1; if (!c) return -1; @@ -145,16 +152,16 @@ int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res, for (cpu = 0; cpu < nr; cpu++) { s1 = f(cpus, cpu, data); for (s2 = 0; s2 < c->nr; s2++) { - if (s1 == c->map[s2]) + if (s1.id == c->map[s2]) break; } if (s2 == c->nr) { - c->map[c->nr] = s1; + c->map[c->nr] = s1.id; c->nr++; } } /* ensure we process id in increasing order */ - qsort(c->map, c->nr, sizeof(int), cmp_ids); + qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), cmp_aggr_cpu_id); *res = c; return 0; @@ -167,23 +174,24 @@ int cpu_map__get_die_id(int cpu) return ret ?: value; } -int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data) +struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data) { - int cpu, die_id, s; + int cpu, s; + struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); if (idx > map->nr) - return -1; + return id; cpu = map->map[idx]; - die_id = cpu_map__get_die_id(cpu); + id.id = cpu_map__get_die_id(cpu); /* There is no die_id on legacy system. */ - if (die_id == -1) - die_id = 0; + if (id.id == -1) + id.id = 0; - s = cpu_map__get_socket(map, idx, data); + s = cpu_map__get_socket(map, idx, data).id; if (s == -1) - return -1; + return cpu_map__empty_aggr_cpu_id(); /* * Encode socket in bit range 15:8 @@ -191,13 +199,14 @@ int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data) * we need a global id. So we combine * socket + die id */ - if (WARN_ONCE(die_id >> 8, "The die id number is too big.\n")) - return -1; + if (WARN_ONCE(id.id >> 8, "The die id number is too big.\n")) + return cpu_map__empty_aggr_cpu_id(); if (WARN_ONCE(s >> 8, "The socket id number is too big.\n")) - return -1; + return cpu_map__empty_aggr_cpu_id(); - return (s << 8) | (die_id & 0xff); + id.id = (s << 8) | (id.id & 0xff); + return id; } int cpu_map__get_core_id(int cpu) @@ -211,21 +220,22 @@ int cpu_map__get_node_id(int cpu) return cpu__get_node(cpu); } -int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) +struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) { - int cpu, s_die; + int cpu; + struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); if (idx > map->nr) - return -1; + return id; cpu = map->map[idx]; cpu = cpu_map__get_core_id(cpu); - /* s_die is the combination of socket + die id */ - s_die = cpu_map__get_die(map, idx, data); - if (s_die == -1) - return -1; + /* cpu_map__get_die returns the combination of socket + die id */ + id = cpu_map__get_die(map, idx, data); + if (cpu_map__aggr_cpu_id_is_empty(id)) + return id; /* * encode socket in bit range 31:24 @@ -235,17 +245,21 @@ int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) * socket + die id + core id */ if (WARN_ONCE(cpu >> 16, "The core id number is too big.\n")) - return -1; + return cpu_map__empty_aggr_cpu_id(); - return (s_die << 16) | (cpu & 0xffff); + id.id = (id.id << 16) | (cpu & 0xffff); + return id; } -int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused) +struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused) { + struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); + if (idx < 0 || idx >= map->nr) - return -1; + return id; - return cpu_map__get_node_id(map->map[idx]); + id.id = cpu_map__get_node_id(map->map[idx]); + return id; } int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp) diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 1cdccc69cd4b..b8c2288a3f6d 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -19,13 +19,13 @@ size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size); size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size); size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp); int cpu_map__get_socket_id(int cpu); -int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data); +struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_die_id(int cpu); -int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data); +struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_core_id(int cpu); -int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data); +struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_node_id(int cpu); -int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data); +struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data); int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp); int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep); int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep); @@ -62,7 +62,7 @@ int cpu__max_present_cpu(void); int cpu__get_node(int cpu); int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res, - int (*f)(struct perf_cpu_map *map, int cpu, void *data), + struct aggr_cpu_id (*f)(struct perf_cpu_map *map, int cpu, void *data), void *data); int cpu_map__cpu(struct perf_cpu_map *cpus, int idx); diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index fee7543843a8..8f4ee3621863 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -68,15 +68,15 @@ static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel) static void aggr_printout(struct perf_stat_config *config, - struct evsel *evsel, int id, int nr) + struct evsel *evsel, struct aggr_cpu_id id, int nr) { switch (config->aggr_mode) { case AGGR_CORE: fprintf(config->output, "S%d-D%d-C%*d%s%*d%s", - cpu_map__id_to_socket(id), - cpu_map__id_to_die(id), + cpu_map__id_to_socket(id.id), + cpu_map__id_to_die(id.id), config->csv_output ? 0 : -8, - cpu_map__id_to_cpu(id), + cpu_map__id_to_cpu(id.id), config->csv_sep, config->csv_output ? 0 : 4, nr, @@ -84,9 +84,9 @@ static void aggr_printout(struct perf_stat_config *config, break; case AGGR_DIE: fprintf(config->output, "S%d-D%*d%s%*d%s", - cpu_map__id_to_socket(id << 16), + cpu_map__id_to_socket(id.id << 16), config->csv_output ? 0 : -8, - cpu_map__id_to_die(id << 16), + cpu_map__id_to_die(id.id << 16), config->csv_sep, config->csv_output ? 0 : 4, nr, @@ -95,7 +95,7 @@ static void aggr_printout(struct perf_stat_config *config, case AGGR_SOCKET: fprintf(config->output, "S%*d%s%*d%s", config->csv_output ? 0 : -5, - id, + id.id, config->csv_sep, config->csv_output ? 0 : 4, nr, @@ -104,7 +104,7 @@ static void aggr_printout(struct perf_stat_config *config, case AGGR_NODE: fprintf(config->output, "N%*d%s%*d%s", config->csv_output ? 0 : -5, - id, + id.id, config->csv_sep, config->csv_output ? 0 : 4, nr, @@ -113,23 +113,23 @@ static void aggr_printout(struct perf_stat_config *config, case AGGR_NONE: if (evsel->percore && !config->percore_show_thread) { fprintf(config->output, "S%d-D%d-C%*d%s", - cpu_map__id_to_socket(id), - cpu_map__id_to_die(id), + cpu_map__id_to_socket(id.id), + cpu_map__id_to_die(id.id), config->csv_output ? 0 : -3, - cpu_map__id_to_cpu(id), config->csv_sep); - } else if (id > -1) { + cpu_map__id_to_cpu(id.id), config->csv_sep); + } else if (id.id > -1) { fprintf(config->output, "CPU%*d%s", config->csv_output ? 0 : -7, - evsel__cpus(evsel)->map[id], + evsel__cpus(evsel)->map[id.id], config->csv_sep); } break; case AGGR_THREAD: fprintf(config->output, "%*s-%*d%s", config->csv_output ? 0 : 16, - perf_thread_map__comm(evsel->core.threads, id), + perf_thread_map__comm(evsel->core.threads, id.id), config->csv_output ? 0 : -8, - perf_thread_map__pid(evsel->core.threads, id), + perf_thread_map__pid(evsel->core.threads, id.id), config->csv_sep); break; case AGGR_GLOBAL: @@ -144,7 +144,8 @@ struct outstate { bool newline; const char *prefix; int nfields; - int id, nr; + int nr; + struct aggr_cpu_id id; struct evsel *evsel; }; @@ -319,13 +320,13 @@ static void print_metric_header(struct perf_stat_config *config, } static int first_shadow_cpu(struct perf_stat_config *config, - struct evsel *evsel, int id) + struct evsel *evsel, struct aggr_cpu_id id) { struct evlist *evlist = evsel->evlist; int i; if (config->aggr_mode == AGGR_NONE) - return id; + return id.id; if (!config->aggr_get_id) return 0; @@ -333,14 +334,17 @@ static int first_shadow_cpu(struct perf_stat_config *config, for (i = 0; i < evsel__nr_cpus(evsel); i++) { int cpu2 = evsel__cpus(evsel)->map[i]; - if (config->aggr_get_id(config, evlist->core.cpus, cpu2) == id) + if (cpu_map__compare_aggr_cpu_id( + config->aggr_get_id(config, evlist->core.cpus, cpu2), + id)) { return cpu2; + } } return 0; } static void abs_printout(struct perf_stat_config *config, - int id, int nr, struct evsel *evsel, double avg) + struct aggr_cpu_id id, int nr, struct evsel *evsel, double avg) { FILE *output = config->output; double sc = evsel->scale; @@ -393,7 +397,7 @@ static bool is_mixed_hw_group(struct evsel *counter) return false; } -static void printout(struct perf_stat_config *config, int id, int nr, +static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int nr, struct evsel *counter, double uval, char *prefix, u64 run, u64 ena, double noise, struct runtime_stat *st) @@ -496,17 +500,18 @@ static void printout(struct perf_stat_config *config, int id, int nr, static void aggr_update_shadow(struct perf_stat_config *config, struct evlist *evlist) { - int cpu, s2, id, s; + int cpu, s; + struct aggr_cpu_id s2, id; u64 val; struct evsel *counter; for (s = 0; s < config->aggr_map->nr; s++) { - id = config->aggr_map->map[s]; + id.id = config->aggr_map->map[s]; evlist__for_each_entry(evlist, counter) { val = 0; for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) { s2 = config->aggr_get_id(config, evlist->core.cpus, cpu); - if (s2 != id) + if (!cpu_map__compare_aggr_cpu_id(s2, id)) continue; val += perf_counts(counter->counts, cpu, 0)->val; } @@ -584,7 +589,7 @@ static bool collect_data(struct perf_stat_config *config, struct evsel *counter, struct aggr_data { u64 ena, run, val; - int id; + struct aggr_cpu_id id; int nr; int cpu; }; @@ -593,13 +598,14 @@ static void aggr_cb(struct perf_stat_config *config, struct evsel *counter, void *data, bool first) { struct aggr_data *ad = data; - int cpu, s2; + int cpu; + struct aggr_cpu_id s2; for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) { struct perf_counts_values *counts; s2 = config->aggr_get_id(config, evsel__cpus(counter), cpu); - if (s2 != ad->id) + if (!cpu_map__compare_aggr_cpu_id(s2, ad->id)) continue; if (first) ad->nr++; @@ -628,10 +634,11 @@ static void print_counter_aggrdata(struct perf_stat_config *config, struct aggr_data ad; FILE *output = config->output; u64 ena, run, val; - int id, nr; + int nr; + struct aggr_cpu_id id; double uval; - ad.id = id = config->aggr_map->map[s]; + ad.id.id = id.id = config->aggr_map->map[s]; ad.val = ad.ena = ad.run = 0; ad.nr = 0; if (!collect_data(config, counter, aggr_cb, &ad)) @@ -649,8 +656,12 @@ static void print_counter_aggrdata(struct perf_stat_config *config, fprintf(output, "%s", prefix); uval = val * counter->scale; - printout(config, cpu != -1 ? cpu : id, nr, counter, uval, prefix, - run, ena, 1.0, &rt_stat); + if (cpu != -1) { + id = cpu_map__empty_aggr_cpu_id(); + id.id = cpu; + } + printout(config, id, nr, counter, uval, + prefix, run, ena, 1.0, &rt_stat); if (!metric_only) fputc('\n', output); } @@ -728,7 +739,8 @@ static struct perf_aggr_thread_value *sort_aggr_thread( continue; buf[i].counter = counter; - buf[i].id = thread; + buf[i].id = cpu_map__empty_aggr_cpu_id(); + buf[i].id.id = thread; buf[i].uval = uval; buf[i].val = val; buf[i].run = run; @@ -751,7 +763,8 @@ static void print_aggr_thread(struct perf_stat_config *config, FILE *output = config->output; int nthreads = perf_thread_map__nr(counter->core.threads); int ncpus = perf_cpu_map__nr(counter->core.cpus); - int thread, sorted_threads, id; + int thread, sorted_threads; + struct aggr_cpu_id id; struct perf_aggr_thread_value *buf; buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads, _target); @@ -768,7 +781,7 @@ static void print_aggr_thread(struct perf_stat_config *config, if (config->stats) printout(config, id, 0, buf[thread].counter, buf[thread].uval, prefix, buf[thread].run, buf[thread].ena, 1.0, - &config->stats[id]); + &config->stats[id.id]); else printout(config, id, 0, buf[thread].counter, buf[thread].uval, prefix, buf[thread].run, buf[thread].ena, 1.0, @@ -814,8 +827,8 @@ static void print_counter_aggr(struct perf_stat_config *config, fprintf(output, "%s", prefix); uval = cd.avg * counter->scale; - printout(config, -1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, - cd.avg, &rt_stat); + printout(config, cpu_map__empty_aggr_cpu_id(), 0, counter, uval, prefix, cd.avg_running, + cd.avg_enabled, cd.avg, &rt_stat); if (!metric_only) fprintf(output, "\n"); } @@ -842,6 +855,7 @@ static void print_counter(struct perf_stat_config *config, u64 ena, run, val; double uval; int cpu; + struct aggr_cpu_id id; for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) { struct aggr_data ad = { .cpu = cpu }; @@ -856,8 +870,10 @@ static void print_counter(struct perf_stat_config *config, fprintf(output, "%s", prefix); uval = val * counter->scale; - printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0, - &rt_stat); + id = cpu_map__empty_aggr_cpu_id(); + id.id = cpu; + printout(config, id, 0, counter, uval, prefix, + run, ena, 1.0, &rt_stat); fputc('\n', output); } @@ -872,6 +888,7 @@ static void print_no_aggr_metric(struct perf_stat_config *config, struct evsel *counter; u64 ena, run, val; double uval; + struct aggr_cpu_id id; nrcpus = evlist->core.cpus->nr; for (cpu = 0; cpu < nrcpus; cpu++) { @@ -880,8 +897,10 @@ static void print_no_aggr_metric(struct perf_stat_config *config, if (prefix) fputs(prefix, config->output); evlist__for_each_entry(evlist, counter) { + id = cpu_map__empty_aggr_cpu_id(); + id.id = cpu; if (first) { - aggr_printout(config, counter, cpu, 0); + aggr_printout(config, counter, id, 0); first = false; } val = perf_counts(counter->counts, cpu, 0)->val; @@ -889,8 +908,8 @@ static void print_no_aggr_metric(struct perf_stat_config *config, run = perf_counts(counter->counts, cpu, 0)->run; uval = val * counter->scale; - printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0, - &rt_stat); + printout(config, id, 0, counter, uval, prefix, + run, ena, 1.0, &rt_stat); } fputc('\n', config->output); } @@ -1140,14 +1159,15 @@ static void print_footer(struct perf_stat_config *config) static void print_percore_thread(struct perf_stat_config *config, struct evsel *counter, char *prefix) { - int s, s2, id; + int s; + struct aggr_cpu_id s2, id; bool first = true; for (int i = 0; i < evsel__nr_cpus(counter); i++) { s2 = config->aggr_get_id(config, evsel__cpus(counter), i); for (s = 0; s < config->aggr_map->nr; s++) { - id = config->aggr_map->map[s]; - if (s2 == id) + id.id = config->aggr_map->map[s]; + if (cpu_map__compare_aggr_cpu_id(s2, id)) break; } diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 1e125e39ff84..1d5c9f98396b 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -313,7 +313,7 @@ static int check_per_pkg(struct evsel *counter, if (!(vals->run && vals->ena)) return 0; - s = cpu_map__get_socket(cpus, cpu, NULL); + s = cpu_map__get_socket(cpus, cpu, NULL).id; if (s < 0) return -1; diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 9979b4b100f2..87522ffb2db2 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -6,6 +6,7 @@ #include <stdio.h> #include <sys/types.h> #include <sys/resource.h> +#include "cpumap.h" #include "rblist.h" struct perf_cpu_map; @@ -99,7 +100,7 @@ struct runtime_stat { struct rblist value_list; }; -typedef int (*aggr_get_id_t)(struct perf_stat_config *config, +typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu_map *m, int cpu); struct perf_stat_config { @@ -170,7 +171,7 @@ struct evlist; struct perf_aggr_thread_value { struct evsel *counter; - int id; + struct aggr_cpu_id id; double uval; u64 val; u64 run; |