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Date: Wed, 27 May 2015 20:30:28 -0300
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: Michael Petlan <mpetlan@redhat.com>, lkml <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Paul Mackerras <paulus@samba.org>, David Ahern <dsahern@gmail.com>,
        Namhyung Kim <namhyung@kernel.org>, Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] perf tools: Add hint for 'Too many events are opened.'
 error message
Message-ID: <20150527233028.GB24859@kernel.org>
References: <1432587114-14924-1-git-send-email-jolsa@kernel.org>
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Em Mon, May 25, 2015 at 10:51:54PM +0200, Jiri Olsa escreveu:
> Enhancing the 'Too many events are opened.' error message
> with hint to use use 'ulimit -n <limit>' command.

<SNIP>

> Now:
>   $ perf record -e 'sched:*,syscalls:*' ls
>   Error:
>   Too many events are opened.
>   Probably the maximum number of open file descriptors has been reached.
>   Hint: Try again after reducing the number of events.
>   Hint: Try increasing the limit with 'ulimit -n <limit>'

Thanks, applied.

- Arnaldo