Subject: Re: [PATCH] perf tools: fix write_event()
From: Peter Zijlstra <peterz@infradead.org>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
       Frederic Weisbecker <fweisbec@gmail.com>,
       LKML <linux-kernel@vger.kernel.org>
In-Reply-To: <4B570657.5090105@cn.fujitsu.com>
References: <4B570657.5090105@cn.fujitsu.com>
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Date: Wed, 20 Jan 2010 14:41:41 +0100
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On Wed, 2010-01-20 at 21:34 +0800, Xiao Guangrong wrote:
> We parse the event while it's read from mmap buffer in
> write_event(), but sometimes the event will straddles the
> mmap boundary, we should handle this case
> 
> And if we record events(such as perf kmem/sched) for long
> times, Ctrl + C can't interrupt it just for this reason

Uhm, how why? it didn't used to know about events and just copied the
data.

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