Re: [PATCH] perf tools: ensure comm properly terminated If threads in a multi-threaded process have names shorter than the main thread the comm for the named threads is not properly terminated.

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From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: David Ahern <dsahern@gmail.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
	peterz@infradead.org, fweisbec@gmail.com, paulus@samba.org,
	tglx@linutronix.de
Subject: Re: [PATCH] perf tools: ensure comm properly terminated If threads in a multi-threaded process have names shorter than the main thread the comm for the named threads is not properly terminated.
Date: Fri, 24 Feb 2012 17:39:58 -0200	[thread overview]
Message-ID: <20120224193958.GE27882@infradead.org> (raw)
In-Reply-To: <1330111898-68071-1-git-send-email-dsahern@gmail.com>

Em Fri, Feb 24, 2012 at 12:31:38PM -0700, David Ahern escreveu:
> e.g., for the process 'namedthreads' where each thread is named noploop%d
> where %d is the thread number:
> 
> Before:
>     perf script -f comm,tid,ip,sym,dso
>     noploop:4ads 21616  400a49 noploop (/tmp/namedthreads)
> The 'ads' in the thread comm bleeds over from the process name.
> 
> After:
>     perf script -f comm,tid,ip,sym,dso
>        noploop:4 21616  400a49 noploop (/tmp/namedthreads)

Thanks, applied to perf/urgent.

- Arnaldo

next prev parent reply	other threads:[~2012-02-24 19:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-24 19:31 David Ahern
2012-02-24 19:39 ` Arnaldo Carvalho de Melo [this message]
2012-03-02  9:51 ` [tip:perf/urgent] perf tools: Ensure comm string is " tip-bot for David Ahern

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