linux-kernel - Re: [PATCH 11/14] perf tools: record write data overhead

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Date:   Thu, 24 Nov 2016 00:02:04 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     kan.liang@...el.com
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        tglx@...utronix.de, namhyung@...nel.org, jolsa@...nel.org,
        adrian.hunter@...el.com, wangnan0@...wei.com, mark.rutland@....com,
        andi@...stfloor.org
Subject: Re: [PATCH 11/14] perf tools: record write data overhead

On Wed, Nov 23, 2016 at 04:44:49AM -0500, kan.liang@...el.com wrote:

SNIP

> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index d8cde21..ce7a0ea 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -573,6 +573,11 @@ int machine__process_overhead_event(struct machine *machine __maybe_unused,
>  			    event->overhead.entry.nr,
>  			    event->overhead.entry.time,
>  			    event->overhead.entry.cpu);
> +	} else if (event->overhead.type == PERF_USER_WRITE_OVERHEAD) {
> +		dump_printf(" User write nr: %llu  time: %llu cpu %u\n",
> +			    event->overhead.entry.nr,
> +			    event->overhead.entry.time,
> +			    event->overhead.entry.cpu);

should this be rather in the switch ?

jirka