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/Linux-v6.1/tools/testing/selftests/bpf/benchs/
Dbench_local_storage_rcu_tasks_trace.c244 struct basic_stats gp_stat; in report_final() local
246 grace_period_latency_basic_stats(res, res_cnt, &gp_stat); in report_final()
248 printf("\tavg %.3lf us\tstddev %.3lf us\n", gp_stat.mean, gp_stat.stddev); in report_final()
249 grace_period_ticks_basic_stats(res, res_cnt, &gp_stat); in report_final()
251 printf("\tavg %.3lf\tstddev %.3lf\n", gp_stat.mean, gp_stat.stddev); in report_final()
/Linux-v6.1/tools/testing/selftests/bpf/
Dbench.c83 grace_period_latency_basic_stats(struct bench_res res[], int res_cnt, struct basic_stats *gp_stat) in grace_period_latency_basic_stats() argument
87 memset(gp_stat, 0, sizeof(struct basic_stats)); in grace_period_latency_basic_stats()
90 gp_stat->mean += res[i].gp_ns / 1000.0 / (double)res[i].gp_ct / (0.0 + res_cnt); in grace_period_latency_basic_stats()
92 #define IT_MEAN_DIFF (res[i].gp_ns / 1000.0 / (double)res[i].gp_ct - gp_stat->mean) in grace_period_latency_basic_stats()
95 gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0); in grace_period_latency_basic_stats()
97 gp_stat->stddev = sqrt(gp_stat->stddev); in grace_period_latency_basic_stats()
102 grace_period_ticks_basic_stats(struct bench_res res[], int res_cnt, struct basic_stats *gp_stat) in grace_period_ticks_basic_stats() argument
106 memset(gp_stat, 0, sizeof(struct basic_stats)); in grace_period_ticks_basic_stats()
108 gp_stat->mean += res[i].stime / (double)res[i].gp_ct / (0.0 + res_cnt); in grace_period_ticks_basic_stats()
110 #define IT_MEAN_DIFF (res[i].stime / (double)res[i].gp_ct - gp_stat->mean) in grace_period_ticks_basic_stats()
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Dbench.h77 struct basic_stats *gp_stat);
79 struct basic_stats *gp_stat);