linux-kernel - Re: [PATCH v9 4/4] perf tools: add support for libpfm4

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Date:   Thu, 16 Apr 2020 11:55:48 +0200
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 v9 4/4] perf tools: add support for libpfm4

On Wed, Apr 15, 2020 at 11:35:51PM -0700, Ian Rogers wrote:

SNIP

> diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
> index 1ab349abe904..80ac598f125b 100644
> --- a/tools/perf/builtin-record.c
> +++ b/tools/perf/builtin-record.c
> @@ -43,6 +43,7 @@
>  #include "util/time-utils.h"
>  #include "util/units.h"
>  #include "util/bpf-event.h"
> +#include "util/pfm.h"
>  #include "asm/bug.h"
>  #include "perf.h"
>  
> @@ -64,6 +65,9 @@
>  #include <linux/zalloc.h>
>  #include <linux/bitmap.h>
>  
> +
> +
> +

extra new lines..

jirka

>  struct switch_output {
>  	bool		 enabled;
>  	bool		 signal;
> @@ -2421,6 +2425,11 @@ static struct option __record_options[] = {
>  #endif
>  	OPT_CALLBACK(0, "max-size", &record.output_max_size,
>  		     "size", "Limit the maximum size of the output file", parse_output_max_size),
> +#ifdef HAVE_LIBPFM
> +	OPT_CALLBACK(0, "pfm-events", &record.evlist, "event",
> +		"libpfm4 event selector. use 'perf list' to list available events",
> +		parse_libpfm_events_option),
> +#endif
>  	OPT_END()
>  };

SNIP