From: Jiri Olsa <jolsa@redhat.com>
To: Jin Yao <yao.jin@linux.intel.com>
Cc: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org,
mingo@redhat.com, alexander.shishkin@linux.intel.com,
Linux-kernel@vger.kernel.org, ak@linux.intel.com,
kan.liang@intel.com, yao.jin@intel.com
Subject: Re: [PATCH v2 04/27] perf pmu: Save pmu name
Date: Tue, 16 Mar 2021 00:03:59 +0100 [thread overview]
Message-ID: <YE/n3yfo37V+cigN@krava> (raw)
In-Reply-To: <20210311070742.9318-5-yao.jin@linux.intel.com>
On Thu, Mar 11, 2021 at 03:07:19PM +0800, Jin Yao wrote:
> On hybrid platform, one event is available on one pmu
> (such as, available on cpu_core or on cpu_atom).
>
> This patch saves the pmu name to the pmu field of struct perf_pmu_alias.
> Then next we can know the pmu which the event can be available on.
>
> Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
> ---
> tools/perf/util/pmu.c | 10 +++++++++-
> tools/perf/util/pmu.h | 1 +
> 2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
> index 54e586bf19a5..45d8db1af8d2 100644
> --- a/tools/perf/util/pmu.c
> +++ b/tools/perf/util/pmu.c
> @@ -283,6 +283,7 @@ void perf_pmu_free_alias(struct perf_pmu_alias *newalias)
> zfree(&newalias->str);
> zfree(&newalias->metric_expr);
> zfree(&newalias->metric_name);
> + zfree(&newalias->pmu);
> parse_events_terms__purge(&newalias->terms);
> free(newalias);
> }
> @@ -297,6 +298,10 @@ static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias,
>
> list_for_each_entry(a, alist, list) {
> if (!strcasecmp(newalias->name, a->name)) {
> + if (newalias->pmu && a->pmu &&
> + !strcasecmp(newalias->pmu, a->pmu)) {
> + continue;
> + }
> perf_pmu_update_alias(a, newalias);
> perf_pmu_free_alias(newalias);
> return true;
> @@ -314,7 +319,8 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
> int num;
> char newval[256];
> char *long_desc = NULL, *topic = NULL, *unit = NULL, *perpkg = NULL,
> - *metric_expr = NULL, *metric_name = NULL, *deprecated = NULL;
> + *metric_expr = NULL, *metric_name = NULL, *deprecated = NULL,
> + *pmu = NULL;
>
> if (pe) {
> long_desc = (char *)pe->long_desc;
> @@ -324,6 +330,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
> metric_expr = (char *)pe->metric_expr;
> metric_name = (char *)pe->metric_name;
> deprecated = (char *)pe->deprecated;
> + pmu = (char *)pe->pmu;
> }
>
> alias = malloc(sizeof(*alias));
> @@ -389,6 +396,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
> }
> alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1;
> alias->str = strdup(newval);
> + alias->pmu = pmu ? strdup(pmu) : NULL;
>
> if (deprecated)
> alias->deprecated = true;
> diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
> index 8164388478c6..0e724d5b84c6 100644
> --- a/tools/perf/util/pmu.h
> +++ b/tools/perf/util/pmu.h
> @@ -72,6 +72,7 @@ struct perf_pmu_alias {
> bool deprecated;
> char *metric_expr;
> char *metric_name;
> + char *pmu;
please use pmu_name
thanks,
jirka
next prev parent reply other threads:[~2021-03-15 23:05 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-11 7:07 [PATCH v2 00/27] perf tool: AlderLake hybrid support series 1 Jin Yao
2021-03-11 7:07 ` [PATCH v2 01/27] tools headers uapi: Update tools's copy of linux/perf_event.h Jin Yao
2021-03-11 7:07 ` [PATCH v2 02/27] perf jevents: Support unit value "cpu_core" and "cpu_atom" Jin Yao
2021-03-11 7:07 ` [PATCH v2 03/27] perf pmu: Simplify arguments of __perf_pmu__new_alias Jin Yao
2021-03-11 7:07 ` [PATCH v2 04/27] perf pmu: Save pmu name Jin Yao
2021-03-15 23:03 ` Jiri Olsa [this message]
2021-03-16 0:59 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 05/27] perf pmu: Save detected hybrid pmus to a global pmu list Jin Yao
2021-03-11 7:07 ` [PATCH v2 06/27] perf pmu: Add hybrid helper functions Jin Yao
2021-03-11 7:07 ` [PATCH v2 07/27] perf evlist: Hybrid event uses its own cpus Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 1:25 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 08/27] perf stat: Uniquify hybrid event name Jin Yao
2021-03-15 23:04 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 09/27] perf parse-events: Create two hybrid hardware events Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 2:04 ` Jin, Yao
2021-03-15 17:34 ` Jiri Olsa
2021-03-15 23:05 ` Jiri Olsa
2021-03-16 3:13 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 10/27] perf parse-events: Create two hybrid cache events Jin Yao
2021-03-15 23:05 ` Jiri Olsa
2021-03-16 3:51 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 11/27] perf parse-events: Support hardware events inside PMU Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 2:28 ` Jin, Yao
2021-03-15 17:37 ` Jiri Olsa
2021-03-16 1:49 ` Jin, Yao
2021-03-16 14:04 ` Jiri Olsa
2021-03-17 2:12 ` Jin, Yao
2021-03-17 10:06 ` Jiri Olsa
2021-03-17 12:17 ` Jin, Yao
2021-03-17 13:42 ` Arnaldo Carvalho de Melo
2021-03-18 12:16 ` Jiri Olsa
2021-03-18 13:21 ` Arnaldo Carvalho de Melo
2021-03-18 18:16 ` Liang, Kan
2021-03-19 2:48 ` Andi Kleen
2021-03-18 11:51 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 12/27] perf parse-events: Support hybrid raw events Jin Yao
2021-03-11 7:07 ` [PATCH v2 13/27] perf evlist: Create two hybrid 'cycles' events by default Jin Yao
2021-03-11 7:07 ` [PATCH v2 14/27] perf stat: Add default hybrid events Jin Yao
2021-03-11 7:07 ` [PATCH v2 15/27] perf stat: Filter out unmatched aggregation for hybrid event Jin Yao
2021-03-11 7:07 ` [PATCH v2 16/27] perf evlist: Warn as events from different hybrid PMUs in a group Jin Yao
2021-03-15 23:03 ` Jiri Olsa
2021-03-16 5:25 ` Jin, Yao
2021-03-18 11:52 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 17/27] perf evsel: Adjust hybrid event and global event mixed group Jin Yao
2021-03-15 23:04 ` Jiri Olsa
2021-03-16 4:39 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 18/27] perf script: Support PERF_TYPE_HARDWARE_PMU and PERF_TYPE_HW_CACHE_PMU Jin Yao
2021-03-11 7:07 ` [PATCH v2 19/27] perf tests: Add hybrid cases for 'Parse event definition strings' test Jin Yao
2021-03-11 7:07 ` [PATCH v2 20/27] perf tests: Add hybrid cases for 'Roundtrip evsel->name' test Jin Yao
2021-03-11 7:07 ` [PATCH v2 21/27] perf tests: Skip 'Setup struct perf_event_attr' test for hybrid Jin Yao
2021-03-11 7:07 ` [PATCH v2 22/27] perf tests: Support 'Track with sched_switch' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 23/27] perf tests: Support 'Parse and process metrics' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 24/27] perf tests: Support 'Session topology' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 25/27] perf tests: Support 'Convert perf time to TSC' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 26/27] perf tests: Skip 'perf stat metrics (shadow stat) test' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 27/27] perf Documentation: Document intel-hybrid support Jin Yao
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