linux-kernel - Re: [PATCH] perf: add psw_idle and psw_idle

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Date:   Mon, 03 Aug 2020 13:02:06 +0200
From:   Sven Schnelle <svens@...ux.ibm.com>
To:     Arnaldo Carvalho de Melo <acme@...hat.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>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Song Liu <songliubraving@...com>,
        Kim Phillips <kim.phillips@....com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ian Rogers <irogers@...gle.com>,
        Igor Lubashev <ilubashe@...mai.com>,
        Jin Yao <yao.jin@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: add psw_idle and psw_idle_exit to list of idle
 symbols

Sven Schnelle <svens@...ux.ibm.com> writes:

> Add the s390 idle functions so they don't show up in top when
> using software sampling.
>
> Signed-off-by: Sven Schnelle <svens@...ux.ibm.com>
> ---
>  tools/perf/util/symbol.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
> index 5ddf84dcbae7..d33d24c61d24 100644
> --- a/tools/perf/util/symbol.c
> +++ b/tools/perf/util/symbol.c
> @@ -666,6 +666,8 @@ static bool symbol__is_idle(const char *name)
>  		"poll_idle",
>  		"ppc64_runlatch_off",
>  		"pseries_dedicated_idle_sleep",
> +		"psw_idle",
> +		"psw_idle_exit",
>  		NULL
>  	};
>  	int i;

gentle ping?

Regards
Sven