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authorAndi Kleen <ak@linux.intel.com>2019-06-24 12:37:11 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-26 09:12:48 +0200
commitbeba77a8d1aa8b6e218cbb58554e031e77de4e3b (patch)
tree69f93d91d69b285243eecee9c128b5faef839d1d
parent6f800cb1d52f817e62ccaea7dedb5533b5b06a30 (diff)
perf stat: Fix metrics with --no-merge
[ Upstream commit e3a9427323a53ceee540276a74af7706f350d052 ] Since Fixes: 8c5421c016a4 ("perf pmu: Display pmu name when printing unmerged events in stat") using --no-merge adds the PMU name to the evsel name. This breaks the metric value lookup because the parser doesn't know about this. Remove the extra postfixes for the metric evaluation. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Agustin Vega-Frias <agustinv@codeaurora.org> Cc: Kan Liang <kan.liang@linux.intel.com> Fixes: 8c5421c016a4 ("perf pmu: Display pmu name when printing unmerged events in stat") Link: http://lkml.kernel.org/r/20190624193711.35241-5-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--tools/perf/util/stat-shadow.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index e545e2a8ae71..0ef98e991ade 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -723,6 +723,7 @@ static void generic_metric(struct perf_stat_config *config,
double ratio;
int i;
void *ctxp = out->ctx;
+ char *n, *pn;
expr__ctx_init(&pctx);
expr__add_id(&pctx, name, avg);
@@ -742,7 +743,19 @@ static void generic_metric(struct perf_stat_config *config,
stats = &v->stats;
scale = 1.0;
}
- expr__add_id(&pctx, metric_events[i]->name, avg_stats(stats)*scale);
+
+ n = strdup(metric_events[i]->name);
+ if (!n)
+ return;
+ /*
+ * This display code with --no-merge adds [cpu] postfixes.
+ * These are not supported by the parser. Remove everything
+ * after the space.
+ */
+ pn = strchr(n, ' ');
+ if (pn)
+ *pn = 0;
+ expr__add_id(&pctx, n, avg_stats(stats)*scale);
}
if (!metric_events[i]) {
const char *p = metric_expr;
@@ -759,6 +772,9 @@ static void generic_metric(struct perf_stat_config *config,
(metric_name ? metric_name : name) : "", 0);
} else
print_metric(config, ctxp, NULL, NULL, "", 0);
+
+ for (i = 1; i < pctx.num_ids; i++)
+ free((void *)pctx.ids[i].name);
}
void perf_stat__print_shadow_stats(struct perf_stat_config *config,