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SubjectRe: perf report does not get along with perf record -A
Derp.  I went through all of that effort to make sure I had recorded everything about my setup, and I forgot the versiou

perf version 3.2.17

built unpatched from a 3.4.4 tarball

----- Original Message -----
From: "David Ahern" <dsahern@gmail.com>
To: "Martin Rosenberg" <mrosenberg@mozilla.com>
Cc: linux-kernel@vger.kernel.org
Sent: Monday, June 25, 2012 9:40:49 PM
Subject: Re: perf report does not get along with perf record -A

On 6/25/12 6:10 PM, Martin Rosenberg wrote:
> I'm working under the assumption that if I want to collect statistics from multiple runs of a program, I can do this by running
> perf record prog; perf record -A prog; perf record -A prog
>
> I've found that running perf record twice results in perf report hanging, and running it more than twice results in perf report first spewing a message about invalid formats, then crashing.
> A log of the session, as well as the binary, its input and perf.data can be found at:

What does 'perf --version' show?

David


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