From: David Ahern <dsahern@gmail.com>
To: David Flater <dflater@nist.gov>
Cc: Perf Users <linux-perf-users@vger.kernel.org>
Subject: Re: Appended data not reportable
Date: Fri, 04 Jan 2013 16:17:44 -0700 [thread overview]
Message-ID: <50E76318.8040805@gmail.com> (raw)
In-Reply-To: <50E75786.4040902@nist.gov>
On 1/4/13 3:28 PM, David Flater wrote:
> With kernel/perf 3.7.1, trying to do something akin to the "sum" option of
> gprof to pool the samples from multiple runs.
>
> This option from the perf-record man page looked promising:
> -A, --append
> Append to the output file to do incremental profiling.
>
> bash-4.2$ perf record -F 1000 ./app
> bash-4.2$ perf record -F 1000 -A ./app
>
> perf.data gets bigger, but then neither perf report nor perf script work. Both
> say:
> 0x1a0 [0]: failed to process type: 0
>
> Is this a regression?
It's been broken for a long time now.
David
prev parent reply other threads:[~2013-01-04 23:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-04 22:28 Appended data not reportable David Flater
2013-01-04 23:17 ` David Ahern [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=50E76318.8040805@gmail.com \
--to=dsahern@gmail.com \
--cc=dflater@nist.gov \
--cc=linux-perf-users@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.