linux-kernel - [BUG] perf: perf trace does not work anymore

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Date:	Thu, 29 Apr 2010 14:28:02 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	paulus@...ba.org, davem@...emloft.net, robert.richter@....com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com
Subject: [BUG] perf: perf trace does not work anymore

Hi,

I am trying to use perf trace to dump the raw samples.

$ perf record -R noploop 5
noploop for 5 seconds
[ perf record: Woken up 3 times to write data ]
[ perf record: Captured and wrote 0.269 MB perf.data (~11759 samples) ]

$ perf trace
  Fatal: reading input file (size expected=3 received=-1)

Seems like trace does not understand the format of the perf.data file anymore.
This used to work. Did you change the purpose of perf trace?
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