From: Jiri Olsa <jolsa@redhat.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Stephane Eranian <eranian@google.com>,
Andi Kleen <ak@linux.intel.com>, Ian Rogers <irogers@google.com>,
John Garry <john.garry@huawei.com>,
Kajol Jain <kjain@linux.ibm.com>
Subject: Re: [PATCH 3/5] perf tools: Copy metric events properly when expand cgroups
Date: Tue, 22 Sep 2020 23:29:31 +0200 [thread overview]
Message-ID: <20200922212931.GC2893484@krava> (raw)
In-Reply-To: <20200921094610.83736-4-namhyung@kernel.org>
On Mon, Sep 21, 2020 at 06:46:08PM +0900, Namhyung Kim wrote:
SNIP
> @@ -260,6 +267,11 @@ int evlist__expand_cgroup(struct evlist *evlist, const char *str)
> cgroup__put(cgrp);
> nr_cgroups++;
>
> + perf_stat__collect_metric_expr(tmp_list);
> + if (metricgroup__copy_metric_events(tmp_list, cgrp, metric_events,
> + &orig_metric_events) < 0)
> + break;
> +
> perf_evlist__splice_list_tail(evlist, &tmp_list->core.entries);
> tmp_list->core.nr_entries = 0;
>
> @@ -273,6 +285,7 @@ int evlist__expand_cgroup(struct evlist *evlist, const char *str)
> out_err:
> evlist__delete(orig_list);
> evlist__delete(tmp_list);
> + rblist__exit(&orig_metric_events);
>
> return ret;
> }
> diff --git a/tools/perf/util/cgroup.h b/tools/perf/util/cgroup.h
> index 32893018296f..eea6df8ee373 100644
> --- a/tools/perf/util/cgroup.h
> +++ b/tools/perf/util/cgroup.h
> @@ -22,9 +22,11 @@ struct cgroup *cgroup__get(struct cgroup *cgroup);
> void cgroup__put(struct cgroup *cgroup);
>
> struct evlist;
> +struct rblist;
>
> struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name);
> -int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups);
> +int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups,
> + struct rblist *metric_events);
>
> void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup);
>
> diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> index ee7b576d3b12..424209c4bcd2 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -1964,3 +1964,14 @@ int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd)
>
> return err;
> }
> +
> +struct evsel *evlist__get_evsel(struct evlist *evlist, int idx)
perhaps evlist__find_evsel is better name?
we have get/put names for functions changing refcount
jirka
> +{
> + struct evsel *evsel;
> +
> + evlist__for_each_entry(evlist, evsel) {
> + if (evsel->idx == idx)
> + return evsel;
> + }
> + return NULL;
> +}
SNIP
next prev parent reply other threads:[~2020-09-22 21:29 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 9:46 [PATCHSET v3 0/5] perf stat: Expand events for each cgroup Namhyung Kim
2020-09-21 9:46 ` [PATCH 1/5] perf evsel: Add evsel__clone() function Namhyung Kim
2020-09-21 9:46 ` [PATCH 2/5] perf stat: Add --for-each-cgroup option Namhyung Kim
2020-09-22 21:40 ` Jiri Olsa
2020-09-22 22:51 ` Namhyung Kim
2020-09-23 9:30 ` Jiri Olsa
2020-09-22 21:52 ` Stephane Eranian
2020-09-22 22:55 ` Namhyung Kim
2020-09-22 22:57 ` Namhyung Kim
2020-09-21 9:46 ` [PATCH 3/5] perf tools: Copy metric events properly when expand cgroups Namhyung Kim
2020-09-22 21:29 ` Jiri Olsa [this message]
2020-09-22 22:46 ` Namhyung Kim
2020-09-21 9:46 ` [PATCH 4/5] perf tools: Allow creation of cgroup without open Namhyung Kim
2020-09-21 9:46 ` [PATCH 5/5] perf test: Add expand cgroup event test Namhyung Kim
-- strict thread matches above, loose matches on Subject: below --
2020-09-23 1:59 [PATCHSET v4 0/5] perf stat: Expand events for each cgroup Namhyung Kim
2020-09-23 1:59 ` [PATCH 3/5] perf tools: Copy metric events properly when expand cgroups Namhyung Kim
2020-09-23 10:22 ` Jiri Olsa
2020-09-24 3:12 ` Namhyung Kim
2020-09-24 12:44 [PATCHSET v5 0/5] perf stat: Expand events for each cgroup Namhyung Kim
2020-09-24 12:44 ` [PATCH 3/5] perf tools: Copy metric events properly when expand cgroups Namhyung Kim
2020-09-25 13:26 ` Jiri Olsa
2020-09-25 13:44 ` Namhyung Kim
2020-09-25 13:51 ` Jiri Olsa
2020-09-28 11:54 ` Arnaldo Carvalho de Melo
2020-09-28 12:36 ` Jiri Olsa
2020-09-28 12:17 ` Arnaldo Carvalho de Melo
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