From 33bbc571ed79cace481fae4031b80a51d93ae997 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 13 Feb 2019 13:32:41 +0100 Subject: perf list: Display metric expressions for --details option Display metric expression itself when --details is specified. Current list with no details: # perf list metrics ... TopDownL1: IPC [Instructions Per Cycle (per logical thread)] SLOTS [Total issue-pipeline slots] ... Detailed output with metric formula: # perf list --details metrics ... TopDownL1: IPC [Instructions Per Cycle (per logical thread)] [inst_retired.any / cpu_clk_unhalted.thread] SLOTS [Total issue-pipeline slots] [4*(( cpu_clk_unhalted.thread_any / 2 ) if #smt_on else cycles)] ... Signed-off-by: Jiri Olsa Cc: Alexander Shishkin Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20190213123246.4015-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/metricgroup.c | 8 +++++++- tools/perf/util/metricgroup.h | 3 ++- tools/perf/util/parse-events.c | 2 +- 3 files changed, 10 insertions(+), 3 deletions(-) (limited to 'tools/perf/util') diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 8529cbd3955b..b8d864ed4afe 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -270,7 +270,7 @@ static void metricgroup__print_strlist(struct strlist *metrics, bool raw) } void metricgroup__print(bool metrics, bool metricgroups, char *filter, - bool raw) + bool raw, bool details) { struct pmu_events_map *map = perf_pmu__find_map(NULL); struct pmu_event *pe; @@ -329,6 +329,12 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter, if (asprintf(&s, "%s\n%*s%s]", pe->metric_name, 8, "[", pe->desc) < 0) return; + + if (details) { + if (asprintf(&s, "%s\n%*s%s]", + s, 8, "[", pe->metric_expr) < 0) + return; + } } if (!s) diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h index 8a155dba0581..5c52097a5c63 100644 --- a/tools/perf/util/metricgroup.h +++ b/tools/perf/util/metricgroup.h @@ -27,6 +27,7 @@ int metricgroup__parse_groups(const struct option *opt, const char *str, struct rblist *metric_events); -void metricgroup__print(bool metrics, bool groups, char *filter, bool raw); +void metricgroup__print(bool metrics, bool groups, char *filter, + bool raw, bool details); bool metricgroup__has_metric(const char *metric); #endif diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 920e1e6551dd..4dcc01b2532c 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2540,7 +2540,7 @@ void print_events(const char *event_glob, bool name_only, bool quiet_flag, print_sdt_events(NULL, NULL, name_only); - metricgroup__print(true, true, NULL, name_only); + metricgroup__print(true, true, NULL, name_only, details_flag); } int parse_events__is_hardcoded_term(struct parse_events_term *term) -- cgit v1.2.3-59-g8ed1b