From: Andi Kleen <a...@linux.intel.com> The Memory_BW metric generates groups including duration_time, which maps to a software event.
For some reason this makes the group always not count. Always put duration_time outside a group when generating metrics. It's always the same time, so no need to group it. Signed-off-by: Andi Kleen <a...@linux.intel.com> Cc: Jiri Olsa <jo...@kernel.org> Link: http://lkml.kernel.org/r/20190628220737.13259-3-a...@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/metricgroup.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 7d36435fa84c..d8164574cb16 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -409,6 +409,7 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, const char **ids; int idnum; struct egroup *eg; + bool no_group = false; pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name); @@ -419,11 +420,25 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, strbuf_addf(events, ","); for (j = 0; j < idnum; j++) { pr_debug("found event %s\n", ids[j]); + /* + * Duration time maps to a software event and can make + * groups not count. Always use it outside a + * group. + */ + if (!strcmp(ids[j], "duration_time")) { + if (j > 0) + strbuf_addf(events, "}:W,"); + strbuf_addf(events, "duration_time"); + no_group = true; + continue; + } strbuf_addf(events, "%s%s", - j == 0 ? "{" : ",", + j == 0 || no_group ? "{" : ",", ids[j]); + no_group = false; } - strbuf_addf(events, "}:W"); + if (!no_group) + strbuf_addf(events, "}:W"); eg = malloc(sizeof(struct egroup)); if (!eg) { -- 2.20.1
