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| author | Jiri Olsa <jolsa@kernel.org> | 2020-06-02 23:47:39 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-06-22 16:28:09 -0300 |
| commit | 6d432c4c8aa5660d8f9f43326db8350b48dcb6f5 (patch) | |
| tree | e6b56ae9ebd0161a6de7adbf38f451d0c1a5d21f | |
| parent | 9afe5658a6fa89f59f01d2857d78203cc8665f1c (diff) | |
| download | lwn-6d432c4c8aa5660d8f9f43326db8350b48dcb6f5.tar.gz lwn-6d432c4c8aa5660d8f9f43326db8350b48dcb6f5.zip | |
perf tools: Add test_generic_metric function
Adding test_generic_metric that prepares and runs given metric over the
data from struct runtime_stat object.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200602214741.1218986-12-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/stat-shadow.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/stat.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 27be7ce2fff4..8fdef47005e6 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -842,6 +842,20 @@ static void generic_metric(struct perf_stat_config *config, expr__ctx_clear(&pctx); } +double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st) +{ + struct expr_parse_ctx pctx; + double ratio; + + if (prepare_metric(mexp->metric_events, &pctx, cpu, st) < 0) + return 0.; + + if (expr__parse(&ratio, &pctx, mexp->metric_expr, 1)) + return 0.; + + return ratio; +} + void perf_stat__print_shadow_stats(struct perf_stat_config *config, struct evsel *evsel, double avg, int cpu, diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index f75ae679eb28..6911c7249199 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -230,4 +230,7 @@ perf_evlist__print_counters(struct evlist *evlist, struct target *_target, struct timespec *ts, int argc, const char **argv); + +struct metric_expr; +double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st); #endif |