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Date: Thu, 24 Jun 2010 09:39:15 +0800
From: Wu Fengguang <fengguang.wu@intel.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Frederic Weisbecker <fweisbec@gmail.com>
Subject: perf regression: failed to stat syscalls events
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Greetings,

I noticed that

        # perf stat -e syscalls:sys_enter_mmap true

refuse to work on 2.6.35-rc1. The last working kernel is 2.6.34.

Any suggestions before me jumping into debug?

Thanks,
Fengguang