From: Martin Rosenberg <mrosenberg@mozilla.com>
To: David Ahern <dsahern@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: perf report does not get along with perf record -A
Date: Mon, 25 Jun 2012 22:04:52 -0700 (PDT) [thread overview]
Message-ID: <1090364757.4589034.1340687092722.JavaMail.root@mozilla.com> (raw)
In-Reply-To: <4FE93D51.7090709@gmail.com>
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
next prev parent reply other threads:[~2012-06-26 5:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1974638847.4574239.1340667841898.JavaMail.root@mozilla.com>
2012-06-26 0:10 ` perf report does not get along with perf record -A Martin Rosenberg
2012-06-26 4:40 ` David Ahern
2012-06-26 5:04 ` Martin Rosenberg [this message]
2012-06-26 14:24 ` David Ahern
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