From: Wu Fengguang <fengguang.wu@intel.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: perf regression: failed to stat syscalls events
Date: Thu, 24 Jun 2010 09:44:22 +0800 [thread overview]
Message-ID: <20100624014422.GA17476@localhost> (raw)
In-Reply-To: <20100624013915.GA16965@localhost>
On Thu, Jun 24, 2010 at 09:39:15AM +0800, Wu Fengguang wrote:
> Greetings,
>
> I noticed that
>
> # perf stat -e syscalls:sys_enter_mmap true
>
> refuse to work on 2.6.35-rc1. The last working kernel is 2.6.34.
Other events like lock:* or block:* or whatever continue to work.
So this is a problem specific to syscalls:*.
Thanks,
Fengguang
next prev parent reply other threads:[~2010-06-24 1:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-24 1:39 perf regression: failed to stat syscalls events Wu Fengguang
2010-06-24 1:44 ` Wu Fengguang [this message]
2010-06-24 5:58 ` Peter Zijlstra
2010-06-24 6:38 ` Wu Fengguang
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=20100624014422.GA17476@localhost \
--to=fengguang.wu@intel.com \
--cc=a.p.zijlstra@chello.nl \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=srostedt@redhat.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox