Subject: Re: [PATCH 1/1 v2] perf record: We should fork only if a program
 was specified to run
From: Peter Zijlstra <peterz@infradead.org>
To: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       =?ISO-8859-1?Q?Fr=E9d=E9ric?= Weisbecker <fweisbec@gmail.com>,
       Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>
In-Reply-To: <1261257771-10263-1-git-send-email-acme@infradead.org>
References: <1261257771-10263-1-git-send-email-acme@infradead.org>
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Date: Sat, 19 Dec 2009 22:39:01 +0100
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On Sat, 2009-12-19 at 19:22 -0200, Arnaldo Carvalho de Melo wrote:
> @@ -550,7 +551,7 @@ static int __cmd_record(int argc __used, const char **argv)
>                         return err;
>         }
>  
> -       if (!system_wide)
> +       if (!system_wide && profile_cpu == -1)
>                 event__synthesize_thread(pid, process_synthesized_event,
>                                          session); 

Not actually sure about this bit though, since we now have
per-task-per-cpu things, the profile_cpu is also used to !system_wide.


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