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Before: ``` $ perf stat -a sleep 1 Performance counter stats for 'system wide': 21,194 context-switches # 752.1 cs/sec cs_per_second TopdownL1 (cpu_core) # 9.4 % tma_bad_speculation # 25.0 % tma_frontend_bound # 37.0 % tma_backend_bound # 28.7 % tma_retiring 6,371 page-faults # 226.1 faults/sec page_faults_per_second 734,456,525 cpu_atom/cpu-cycles/ # 0.0 GHz cycles_frequency (49.77%) 1,679,085,181 cpu_core/cpu-cycles/ # 0.1 GHz cycles_frequency TopdownL1 (cpu_atom) # 19.2 % tma_bad_speculation # 15.1 % tma_retiring (50.15%) # 32.9 % tma_backend_bound # 32.9 % tma_frontend_bound (50.34%) 86,758,824 cpu_atom/branches/ # 3.1 K/sec branch_frequency (60.26%) 524,281,539 cpu_core/branches/ # 18.6 K/sec branch_frequency 1,458 cpu-migrations # 51.7 migrations/sec migrations_per_second 28,178,124,975 cpu-clock # 28.0 CPUs CPUs_utilized 776,037,182 cpu_atom/cpu-cycles/ # 0.6 instructions insn_per_cycle (60.18%) 1,679,168,140 cpu_core/cpu-cycles/ # 1.8 instructions insn_per_cycle 4,045,615 cpu_atom/branches-misses/ # 5.3 % branch_miss_rate (49.65%) 6,656,795 cpu_core/branches-misses/ # 1.3 % branch_miss_rate 1.007340329 seconds time elapsed ``` After: ``` $ perf stat -a sleep 1 Performance counter stats for 'system wide': 25,701 context-switches # 911.8 cs/sec cs_per_second 28,187,404,943 cpu-clock # 28.0 CPUs CPUs_utilized 2,053 cpu-migrations # 72.8 migrations/sec migrations_per_second 12,390 page-faults # 439.6 faults/sec page_faults_per_second 592,082,798 cpu_core/branches/ # 21.0 K/sec branch_frequency 7,762,204 cpu_core/branches-misses/ # 1.3 % branch_miss_rate 1,925,833,804 cpu_core/cpu-cycles/ # 0.1 GHz cycles_frequency 1,925,848,650 cpu_core/cpu-cycles/ # 1.7 instructions insn_per_cycle 95,449,119 cpu_atom/branches/ # 3.4 K/sec branch_frequency (59.78%) 4,278,932 cpu_atom/branches-misses/ # 4.3 % branch_miss_rate (50.26%) 980,441,753 cpu_atom/cpu-cycles/ # 0.0 GHz cycles_frequency (50.34%) 1,091,626,599 cpu_atom/cpu-cycles/ # 0.6 instructions insn_per_cycle (50.37%) TopdownL1 (cpu_core) # 9.1 % tma_bad_speculation # 27.3 % tma_frontend_bound # 35.7 % tma_backend_bound # 27.9 % tma_retiring TopdownL1 (cpu_atom) # 31.1 % tma_backend_bound # 34.3 % tma_frontend_bound (49.74%) # 24.1 % tma_bad_speculation # 10.5 % tma_retiring (59.57%) ``` Signed-off-by: Ian Rogers --- tools/perf/builtin-stat.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 7862094b93c8..095016b2209e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -74,6 +74,7 @@ #include "util/intel-tpebs.h" #include "asm/bug.h" +#include #include #include #include @@ -1857,6 +1858,35 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st) return 0; } +static int default_evlist_evsel_cmp(void *priv __maybe_unused, + const struct list_head *l, + const struct list_head *r) +{ + const struct perf_evsel *lhs_core = container_of(l, struct perf_evsel, node); + const struct evsel *lhs = container_of(lhs_core, struct evsel, core); + const struct perf_evsel *rhs_core = container_of(r, struct perf_evsel, node); + const struct evsel *rhs = container_of(rhs_core, struct evsel, core); + + if (evsel__leader(lhs) == evsel__leader(rhs)) { + /* Within the same group, respect the original order. */ + return lhs_core->idx - rhs_core->idx; + } + + /* Sort default metrics evsels first, and default show events before those. */ + if (lhs->default_metricgroup != rhs->default_metricgroup) + return lhs->default_metricgroup ? -1 : 1; + + if (lhs->default_show_events != rhs->default_show_events) + return lhs->default_show_events ? -1 : 1; + + /* Sort by PMU type (prefers legacy types first). */ + if (lhs->pmu != rhs->pmu) + return lhs->pmu->type - rhs->pmu->type; + + /* Sort by name. */ + return strcmp(evsel__name((struct evsel *)lhs), evsel__name((struct evsel *)rhs)); +} + /* * Add default events, if there were no attributes specified or * if -d/--detailed, -d -d or -d -d -d is used: @@ -2023,6 +2053,8 @@ static int add_default_events(void) &metric_evlist->metric_events); evlist__delete(metric_evlist); } + list_sort(/*priv=*/NULL, &evlist->core.entries, default_evlist_evsel_cmp); + } out: if (!ret) { -- 2.51.2.1041.gc1ab5b90ca-goog