Re: [PATCH 16/19] perf metric: Make compute_single function more precise

kajoljain
2020-07-28T20:17:16Z

On 7/28/20 10:56 PM, Ian Rogers wrote:
> On Tue, Jul 28, 2020 at 5:36 AM Arnaldo Carvalho de Melo
> <acme@kernel.org> wrote:
>>
>> Em Sun, Jul 19, 2020 at 08:13:17PM +0200, Jiri Olsa escreveu:
>>> So far compute_single function relies on the fact, that
>>> there's only single metric defined within evlist in all
>>> tests. In following patch we will add test for metric
>>> group, so we need to be able to compute metric by given
>>> name.
>>>
>>> Adding the name argument to compute_single and iterating
>>> evlist and evsel's expression to find the given metric.
>>
>> Applied, thanks.
>>
>> Ian, Kajol, I didn't notice your Acked-by or Reviewed-by, like for the
>> other patches, can you check?
>
>
> Acked-by: Ian Rogers <irogers@google.com>

Reviewed-By: Kajol Jain<kjain@linux.ibm.com>

Thanks,
Kajol Jain
>
> Thanks,
> Ian
>
>> - Arnaldo
>>
>>> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
>>> ---
>>> tools/perf/tests/parse-metric.c | 22 +++++++++++++---------
>>> 1 file changed, 13 insertions(+), 9 deletions(-)
>>>
>>> diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
>>> index 01370ccb9ed9..5ac32f80f8ea 100644
>>> --- a/tools/perf/tests/parse-metric.c
>>> +++ b/tools/perf/tests/parse-metric.c
>>> @@ -108,17 +108,21 @@ static void load_runtime_stat(struct runtime_stat *st, struct evlist *evlist,
>>> }
>>>
>>> static double compute_single(struct rblist *metric_events, struct evlist *evlist,
>>> - struct runtime_stat *st)
>>> + struct runtime_stat *st, const char *name)
>>> {
>>> - struct evsel *evsel = evlist__first(evlist);
>>> + struct metric_expr *mexp;
>>> struct metric_event *me;
>>> + struct evsel *evsel;
>>>
>>> - me = metricgroup__lookup(metric_events, evsel, false);
>>> - if (me != NULL) {
>>> - struct metric_expr *mexp;
>>> -
>>> - mexp = list_first_entry(&me->head, struct metric_expr, nd);
>>> - return test_generic_metric(mexp, 0, st);
>>> + evlist__for_each_entry(evlist, evsel) {
>>> + me = metricgroup__lookup(metric_events, evsel, false);
>>> + if (me != NULL) {
>>> + list_for_each_entry (mexp, &me->head, nd) {
>>> + if (strcmp(mexp->metric_name, name))
>>> + continue;
>>> + return test_generic_metric(mexp, 0, st);
>>> + }
>>> + }
>>> }
>>> return 0.;
>>> }
>>> @@ -162,7 +166,7 @@ static int compute_metric(const char *name, struct value *vals, double *ratio)
>>> load_runtime_stat(&st, evlist, vals);
>>>
>>> /* And execute the metric */
>>> - *ratio = compute_single(&metric_events, evlist, &st);
>>> + *ratio = compute_single(&metric_events, evlist, &st, name);
>>>
>>> /* ... clenup. */
>>> metricgroup__rblist_exit(&metric_events);
>>> --
>>> 2.25.4
>>>
>>
>> --
>>
>> - Arnaldo