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authorIan Rogers <irogers@google.com>2020-05-20 11:20:05 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-05-28 10:03:28 -0300
commit4e21c13aca38b69c4470b68ef29d198802e7d74e (patch)
tree539a416132d3a876fdfa9dae18b11663860e3213 /tools/perf
parentperf metricgroup: Free metric_events on error (diff)
downloadwireguard-linux-4e21c13aca38b69c4470b68ef29d198802e7d74e.tar.xz
wireguard-linux-4e21c13aca38b69c4470b68ef29d198802e7d74e.zip
perf metricgroup: Always place duration_time last
If a metric contains the duration_time event then the event is placed outside of the metric's group of events. Rather than split the group, make it so the duration_time is immediately after the group. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andrii Nakryiko <andriin@fb.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kim Phillips <kim.phillips@amd.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Stephane Eranian <eranian@google.com> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: bpf@vger.kernel.org Cc: netdev@vger.kernel.org Link: http://lore.kernel.org/lkml/20200520182011.32236-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/metricgroup.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 381a619a80b9..0798658592d9 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -413,8 +413,8 @@ static void metricgroup__add_metric_weak_group(struct strbuf *events,
struct expr_parse_ctx *ctx)
{
struct hashmap_entry *cur;
- size_t bkt, i = 0;
- bool no_group = false;
+ size_t bkt;
+ bool no_group = true, has_duration = false;
hashmap__for_each_entry((&ctx->ids), cur, bkt) {
pr_debug("found event %s\n", (const char *)cur->key);
@@ -424,20 +424,20 @@ static void metricgroup__add_metric_weak_group(struct strbuf *events,
* group.
*/
if (!strcmp(cur->key, "duration_time")) {
- if (i > 0)
- strbuf_addf(events, "}:W,");
- strbuf_addf(events, "duration_time");
- no_group = true;
+ has_duration = true;
continue;
}
strbuf_addf(events, "%s%s",
- i == 0 || no_group ? "{" : ",",
+ no_group ? "{" : ",",
(const char *)cur->key);
no_group = false;
- i++;
}
- if (!no_group)
+ if (!no_group) {
strbuf_addf(events, "}:W");
+ if (has_duration)
+ strbuf_addf(events, ",duration_time");
+ } else if (has_duration)
+ strbuf_addf(events, "duration_time");
}
static void metricgroup__add_metric_non_group(struct strbuf *events,