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From: Hank <hankendi@gmail.com>
To: linux-perf-users@vger.kernel.org
Subject: using perf lock
Date: Wed, 23 May 2012 15:42:42 +0000 (UTC)	[thread overview]
Message-ID: <loom.20120523T174059-193@post.gmane.org> (raw)

Hi,

I've been trying to use perf lock command on my Ubuntu 12.04, but I'm getting
this error:

invalid or unsupported event: 'lock:lock_acquire'

What might be the problem? Should I get the kernel source code? 

Thanks,

             reply	other threads:[~2012-05-23 15:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-23 15:42 Hank [this message]
2012-05-24  0:28 ` using perf lock Namhyung Kim

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