linux-kernel - Re: [PATCH 14/14] perf script: show overhead events

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Date:   Thu, 24 Nov 2016 00:17:49 +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 14/14] perf script: show overhead events

On Wed, Nov 23, 2016 at 04:44:52AM -0500, kan.liang@...el.com wrote:

SNIP

> +}
> +
>  static void sig_handler(int sig __maybe_unused)
>  {
>  	session_done = 1;
> @@ -1287,6 +1319,8 @@ static int __cmd_script(struct perf_script *script)
>  	}
>  	if (script->show_switch_events)
>  		script->tool.context_switch = process_switch_event;
> +	if (script->show_overhead)
> +		script->tool.overhead  = process_overhead_event;
>  
>  	ret = perf_session__process_events(script->session);
>  
> @@ -2172,6 +2206,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
>  		    "Show the mmap events"),
>  	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
>  		    "Show context switch events (if recorded)"),
> +	OPT_BOOLEAN('\0', "show-overhead", &script.show_overhead,
> +		    "Show overhead events"),

please add the '-events' suffix as for the mmap and task

thanks,
jirka