linux-kernel - Re: perf report does not get along with perf record -A

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 25 Jun 2012 22:04:52 -0700 (PDT)
From:	Martin Rosenberg <mrosenberg@...illa.com>
To:	David Ahern <dsahern@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 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@...il.com>
To: "Martin Rosenberg" <mrosenberg@...illa.com>
Cc: linux-kernel@...r.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/