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Message-ID: <95f982ef-87ac-40f1-dc7e-79929017beeb@linux.ibm.com>
Date:   Sun, 26 Jul 2020 14:49:16 +0530
From:   kajoljain <kjain@...ux.ibm.com>
To:     Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        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>,
        Andi Kleen <ak@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        "Paul A. Clarke" <pc@...ibm.com>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 12/19] perf metric: Add events for the current list



On 7/20/20 4:04 AM, Ian Rogers wrote:
> On Sun, Jul 19, 2020 at 11:14 AM Jiri Olsa <jolsa@...nel.org> wrote:
>>
>> There's no need to iterate the whole list of groups,
>> when adding new events. The currently created groups
>> are the ones we want to add.
>>
>> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> 
> Acked-by: Ian Rogers <irogers@...gle.com>
> 

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

Thanks,
Kajol Jain
> Thanks,
> Ian
> 
>> ---
>>  tools/perf/util/metricgroup.c | 9 ++++++---
>>  1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
>> index bb5757b9419d..332414d93f7a 100644
>> --- a/tools/perf/util/metricgroup.c
>> +++ b/tools/perf/util/metricgroup.c
>> @@ -813,6 +813,7 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
>>  {
>>         struct pmu_event *pe;
>>         struct egroup *eg;
>> +       LIST_HEAD(list);
>>         int i, ret;
>>         bool has_match = false;
>>
>> @@ -820,7 +821,7 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
>>                 has_match = true;
>>                 eg = NULL;
>>
>> -               ret = add_metric(group_list, pe, metric_no_group, &eg);
>> +               ret = add_metric(&list, pe, metric_no_group, &eg);
>>                 if (ret)
>>                         return ret;
>>
>> @@ -829,7 +830,7 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
>>                  * included in the expression.
>>                  */
>>                 ret = resolve_metric(eg, metric_no_group,
>> -                                    group_list, map);
>> +                                    &list, map);
>>                 if (ret)
>>                         return ret;
>>         }
>> @@ -838,7 +839,7 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
>>         if (!has_match)
>>                 return -EINVAL;
>>
>> -       list_for_each_entry(eg, group_list, nd) {
>> +       list_for_each_entry(eg, &list, nd) {
>>                 if (events->len > 0)
>>                         strbuf_addf(events, ",");
>>
>> @@ -850,6 +851,8 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
>>                                                            &eg->pctx);
>>                 }
>>         }
>> +
>> +       list_splice(&list, group_list);
>>         return 0;
>>  }
>>
>> --
>> 2.25.4
>>

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