linux-kernel - [2.6.39-rc2] perf top fails to mmap

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Message-ID: <inhgjs$54a$1@dough.gmane.org>
Date:	Wed, 06 Apr 2011 12:51:40 +0200
From:	Tim Blechmann <tim@...ngt.org>
To:	linux-kernel@...r.kernel.org
Subject: [2.6.39-rc2] perf top fails to mmap

hi all,

when trying to profile a process with `perf top -p $PID', perf exits with:
Failed to mmap with 22 (Invalid argument)

this happens when running perf as the same process as the process and when 
running perf as root.

tim


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