From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
Mike Galbraith <efault@gmx.de>,
Arjan van de Ven <arjan@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [PATCH 5/6] perf_counter: kerneltop: mmap_pages argument
Date: Wed, 25 Mar 2009 13:18:11 +0100 [thread overview]
Message-ID: <20090325121811.GC11571@elte.hu> (raw)
In-Reply-To: <20090325113317.104545398@chello.nl>
* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> provide a knob to set the number of mmap data pages.
> + " -m pages --mmap_pages=<pages> # number of mmap data pages\n"
Btw., we really want this to be auto-tuning to a large degree. If
the kernel observes missed events, it should create a
PERF_EVENT_OVERFLOW==0x3 record, with the number of missed events -
or something like that.
Ingo
next prev parent reply other threads:[~2009-03-25 12:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 11:30 [PATCH 0/6] perf_counter: new output ABI Peter Zijlstra
2009-03-25 11:30 ` [PATCH 1/6] perf_counter: more elaborate write API Peter Zijlstra
2009-03-25 12:06 ` [tip:perfcounters/core] " Peter Zijlstra
2009-03-25 11:30 ` [PATCH 2/6] perf_counter: output objects Peter Zijlstra
2009-03-25 12:06 ` [tip:perfcounters/core] " Peter Zijlstra
2009-03-25 11:30 ` [PATCH 3/6] perf_counter: sanity check on the output API Peter Zijlstra
2009-03-25 12:06 ` [tip:perfcounters/core] " Peter Zijlstra
2009-03-25 11:30 ` [PATCH 4/6] perf_counter: optionally provide the pid/tid of the sampled task Peter Zijlstra
2009-03-25 12:06 ` [tip:perfcounters/core] " Peter Zijlstra
2009-03-25 11:30 ` [PATCH 5/6] perf_counter: kerneltop: mmap_pages argument Peter Zijlstra
2009-03-25 12:07 ` [tip:perfcounters/core] " Peter Zijlstra
2009-03-25 12:18 ` Ingo Molnar [this message]
2009-03-25 12:27 ` [PATCH 5/6] " Peter Zijlstra
2009-03-25 12:35 ` Ingo Molnar
2009-03-25 12:41 ` Peter Zijlstra
2009-03-25 12:54 ` Ingo Molnar
2009-03-25 12:57 ` Peter Zijlstra
2009-03-25 14:52 ` Peter Zijlstra
2009-03-25 17:16 ` Ingo Molnar
2009-03-25 21:18 ` Peter Zijlstra
2009-03-26 2:22 ` Paul Mackerras
2009-03-25 11:30 ` [PATCH 6/6] perf_counter: kerneltop: output event support Peter Zijlstra
2009-03-25 12:07 ` [tip:perfcounters/core] " Peter Zijlstra
2009-04-04 0:21 ` [PATCH 6/6] " Corey Ashford
2009-04-04 12:17 ` Peter Zijlstra
2009-04-04 18:10 ` Corey Ashford
2009-03-25 12:05 ` [PATCH 0/6] perf_counter: new output ABI Ingo Molnar
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=20090325121811.GC11571@elte.hu \
--to=mingo@elte.hu \
--cc=a.p.zijlstra@chello.nl \
--cc=arjan@infradead.org \
--cc=efault@gmx.de \
--cc=fengguang.wu@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=paulus@samba.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox