Allowing to override record aggr_mode. It's possible to use perf stat like:
$ perf stat report -A $ perf stat report --per-core $ perf stat report --per-socket To customize the recorded aggregate mode regardless what was used during the stat record command. Link: http://lkml.kernel.org/n/tip-5ckzk91fsn6cvv7a740nf...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/Documentation/perf-stat.txt | 10 ++++++++++ tools/perf/builtin-stat.c | 11 +++++++++++ 2 files changed, 21 insertions(+) diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 709c9ed165b2..531452d66a8f 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -181,6 +181,16 @@ Reads and reports stat data from perf data file. --input file:: Input file name. +--per-socket:: +Aggregate counts per processor socket for system-wide mode measurements. + +--per-core:: +Aggregate counts per physical processor for system-wide mode measurements. + +-A:: +--no-aggr:: +Do not aggregate counts across all monitored CPUs. + EXAMPLES -------- diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 10d9568415ae..853570341365 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -135,6 +135,7 @@ struct perf_stat { bool maps_allocated; struct cpu_map *cpus; struct thread_map *threads; + enum aggr_mode aggr_mode; }; static struct perf_stat perf_stat; @@ -1520,6 +1521,9 @@ int process_stat_config_event(struct perf_tool *tool __maybe_unused, perf_event__read_stat_config(&stat_config, &event->stat_config); + if (stat->aggr_mode != AGGR_UNSET) + stat_config.aggr_mode = stat->aggr_mode; + if (perf_stat.file.is_pipe) perf_stat_init_aggr_mode(); else @@ -1599,6 +1603,7 @@ static struct perf_stat perf_stat = { .stat = perf_event__process_stat_event, .stat_round = process_stat_round_event, }, + .aggr_mode = AGGR_UNSET, }; static int __cmd_report(int argc, const char **argv) @@ -1606,6 +1611,12 @@ static int __cmd_report(int argc, const char **argv) struct perf_session *session; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), + OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, + "aggregate counts per processor socket", AGGR_SOCKET), + OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, + "aggregate counts per physical processor core", AGGR_CORE), + OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, + "disable CPU count aggregation", AGGR_NONE), OPT_END() }; struct stat st; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
