linux-kernel - Re: [PATCH v5] perf tools: add support for libpfm4

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Date:   Tue, 24 Mar 2020 11:25:28 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Igor Lubashev <ilubashe@...mai.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Jiwei Sun <jiwei.sun@...driver.com>,
        yuzhoujian <yuzhoujian@...ichuxing.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Leo Yan <leo.yan@...aro.org>,
        John Garry <john.garry@...wei.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v5] perf tools: add support for libpfm4

On Mon, Mar 23, 2020 at 04:58:46PM -0700, Ian Rogers wrote:

SNIP

> diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
> index 616fbda7c3fc..11421f5dc9cb 100644
> --- a/tools/perf/util/pmu.c
> +++ b/tools/perf/util/pmu.c
> @@ -869,6 +869,17 @@ static struct perf_pmu *pmu_find(const char *name)
>  	return NULL;
>  }
>  
> +struct perf_pmu *perf_pmu__find_by_type(unsigned int type)
> +{
> +	struct perf_pmu *pmu;
> +
> +	list_for_each_entry(pmu, &pmus, list)
> +		if (pmu->type == type)
> +			return pmu;
> +
> +	return NULL;
> +}

please move this to separate patch

thanks,
jirka

> +
>  struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
>  {
>  	/*
> diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
> index 5fb3f16828df..de3b868d912c 100644
> --- a/tools/perf/util/pmu.h
> +++ b/tools/perf/util/pmu.h
> @@ -65,6 +65,7 @@ struct perf_pmu_alias {
>  };
>  
>  struct perf_pmu *perf_pmu__find(const char *name);
> +struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
>  int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
>  		     struct list_head *head_terms,
>  		     struct parse_events_error *error);
> -- 
> 2.25.1.696.g5e7596f4ac-goog
>