From 33bbc571ed79cace481fae4031b80a51d93ae997 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 13 Feb 2019 13:32:41 +0100 Subject: [PATCH] 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/builtin-list.c | 8 ++++---- tools/perf/util/metricgroup.c | 8 +++++++- tools/perf/util/metricgroup.h | 3 ++- tools/perf/util/parse-events.c | 2 +- 4 files changed, 14 insertions(+), 7 deletions(-) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index ead221e49f00..c9f98d00c0e9 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -82,9 +82,9 @@ int cmd_list(int argc, const char **argv) else if (strcmp(argv[i], "sdt") == 0) print_sdt_events(NULL, NULL, raw_dump); else if (strcmp(argv[i], "metric") == 0) - metricgroup__print(true, false, NULL, raw_dump); + metricgroup__print(true, false, NULL, raw_dump, details_flag); else if (strcmp(argv[i], "metricgroup") == 0) - metricgroup__print(false, true, NULL, raw_dump); + metricgroup__print(false, true, NULL, raw_dump, details_flag); else if ((sep = strchr(argv[i], ':')) != NULL) { int sep_idx; @@ -102,7 +102,7 @@ int cmd_list(int argc, const char **argv) s[sep_idx] = '\0'; print_tracepoint_events(s, s + sep_idx + 1, raw_dump); print_sdt_events(s, s + sep_idx + 1, raw_dump); - metricgroup__print(true, true, s, raw_dump); + metricgroup__print(true, true, s, raw_dump, details_flag); free(s); } else { if (asprintf(&s, "*%s*", argv[i]) < 0) { @@ -119,7 +119,7 @@ int cmd_list(int argc, const char **argv) details_flag); print_tracepoint_events(NULL, s, raw_dump); print_sdt_events(NULL, s, raw_dump); - metricgroup__print(true, true, NULL, raw_dump); + metricgroup__print(true, true, NULL, raw_dump, details_flag); free(s); } } 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) -- 2.30.2