linux-kernel - Re: [PATCH] tools/perf: use PTHREAD_STACK_MIN to avoid pthread_attr

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Message-ID: <20110110161116.GA18505@ghostprotocols.net>
Date:	Mon, 10 Jan 2011 14:11:16 -0200
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Jiri Pirko <jpirko@...hat.com>
Cc:	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	paulus@...ba.org, mingo@...e.hu
Subject: Re: [PATCH] tools/perf: use PTHREAD_STACK_MIN to avoid
 pthread_attr_setstacksize() fail

Em Mon, Jan 10, 2011 at 05:04:18PM +0100, Jiri Pirko escreveu:
> on ppc64:
> /usr/include/bits/local_lim.h:#define PTHREAD_STACK_MIN	131072
> 
> therefore following set of commands:
> # perf sched record date
> # perf sched report
> 
> gives:
> perf.2.6.37test: builtin-sched.c:493: create_tasks: Assertion `!(err)' failed.
> 
> So make sure we do not set stack size lower than PTHREAD_STACK_MIN.
> 
> Signed-off-by: Jiri Pirko <jpirko@...hat.com>

Thanks, applying.

- Arnaldo
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