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Date: Mon, 25 May 2020 00:42:17 +0200 From: Jiri Olsa <jolsa@...nel.org> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: lkml <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Michael Petlan <mpetlan@...hat.com>, Ian Rogers <irogers@...gle.com>, Stephane Eranian <eranian@...gle.com>, Andi Kleen <ak@...ux.intel.com> Subject: [PATCH 12/14] perf tools: Add test_generic_metric function Adding test_generic_metric that prepares and runs given metric over the data from psswd struct runtime_stat object. Signed-off-by: Jiri Olsa <jolsa@...nel.org> --- tools/perf/util/stat-shadow.c | 14 ++++++++++++++ tools/perf/util/stat.h | 3 +++ 2 files changed, 17 insertions(+) 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 -- 2.25.4
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