From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Larry Woodman <lwoodman@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [PATCH 4/4] tracing, page-allocator: Add a postprocessing script for page-allocator-related ftrace events
Date: Thu, 30 Jul 2009 09:45:33 -0400 [thread overview]
Message-ID: <4A71A3FD.6030802@redhat.com> (raw)
In-Reply-To: <1248901551-7072-5-git-send-email-mel@csn.ul.ie>
Mel Gorman wrote:
> This patch adds a simple post-processing script for the page-allocator-related
> trace events. It can be used to give an indication of who the most
> allocator-intensive processes are and how often the zone lock was taken
> during the tracing period. Example output looks like
>
> find-2840
> o pages allocd = 1877
> o pages allocd under lock = 1817
> o pages freed directly = 9
> o pcpu refills = 1078
> o migrate fallbacks = 48
> - fragmentation causing = 48
> - severe = 46
> - moderate = 2
> - changed migratetype = 7
I like it.
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Larry Woodman <lwoodman@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [PATCH 4/4] tracing, page-allocator: Add a postprocessing script for page-allocator-related ftrace events
Date: Thu, 30 Jul 2009 09:45:33 -0400 [thread overview]
Message-ID: <4A71A3FD.6030802@redhat.com> (raw)
In-Reply-To: <1248901551-7072-5-git-send-email-mel@csn.ul.ie>
Mel Gorman wrote:
> This patch adds a simple post-processing script for the page-allocator-related
> trace events. It can be used to give an indication of who the most
> allocator-intensive processes are and how often the zone lock was taken
> during the tracing period. Example output looks like
>
> find-2840
> o pages allocd = 1877
> o pages allocd under lock = 1817
> o pages freed directly = 9
> o pcpu refills = 1078
> o migrate fallbacks = 48
> - fragmentation causing = 48
> - severe = 46
> - moderate = 2
> - changed migratetype = 7
I like it.
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-07-30 13:46 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-29 21:05 [RFC PATCH 0/4] Add some trace events for the page allocator v2 Mel Gorman
2009-07-29 21:05 ` Mel Gorman
2009-07-29 21:05 ` [PATCH 1/4] tracing, page-allocator: Add trace events for page allocation and page freeing Mel Gorman
2009-07-29 21:05 ` Mel Gorman
2009-07-30 0:55 ` Rik van Riel
2009-07-30 0:55 ` Rik van Riel
2009-07-29 21:05 ` [PATCH 2/4] tracing, mm: Add trace events for anti-fragmentation falling back to other migratetypes Mel Gorman
2009-07-29 21:05 ` Mel Gorman
2009-07-30 1:39 ` Rik van Riel
2009-07-30 1:39 ` Rik van Riel
2009-07-29 21:05 ` [PATCH 3/4] tracing, page-allocator: Add trace event for page traffic related to the buddy lists Mel Gorman
2009-07-29 21:05 ` Mel Gorman
2009-07-30 13:43 ` Rik van Riel
2009-07-30 13:43 ` Rik van Riel
2009-07-29 21:05 ` [PATCH 4/4] tracing, page-allocator: Add a postprocessing script for page-allocator-related ftrace events Mel Gorman
2009-07-29 21:05 ` Mel Gorman
2009-07-30 13:45 ` Rik van Riel [this message]
2009-07-30 13:45 ` Rik van Riel
-- strict thread matches above, loose matches on Subject: below --
2009-08-04 18:12 [PATCH 0/4] Add some trace events for the page allocator v3 Mel Gorman
2009-08-04 18:12 ` [PATCH 4/4] tracing, page-allocator: Add a postprocessing script for page-allocator-related ftrace events Mel Gorman
2009-08-04 18:12 ` Mel Gorman
2009-08-04 18:22 ` Andrew Morton
2009-08-04 18:22 ` Andrew Morton
2009-08-04 18:27 ` Rik van Riel
2009-08-04 18:27 ` Rik van Riel
2009-08-04 19:13 ` Andrew Morton
2009-08-04 19:13 ` Andrew Morton
2009-08-04 20:48 ` Mel Gorman
2009-08-04 20:48 ` Mel Gorman
2009-08-05 7:41 ` Ingo Molnar
2009-08-05 7:41 ` Ingo Molnar
2009-08-05 9:07 ` Mel Gorman
2009-08-05 9:07 ` Mel Gorman
2009-08-05 9:16 ` Ingo Molnar
2009-08-05 9:16 ` Ingo Molnar
2009-08-05 10:27 ` Johannes Weiner
2009-08-05 10:27 ` Johannes Weiner
2009-08-06 15:48 ` Mel Gorman
2009-08-06 15:48 ` Mel Gorman
2009-08-05 14:53 ` Larry Woodman
2009-08-05 14:53 ` Larry Woodman
2009-08-06 15:54 ` Mel Gorman
2009-08-06 15:54 ` Mel Gorman
2009-08-04 19:57 ` Ingo Molnar
2009-08-04 19:57 ` Ingo Molnar
2009-08-04 20:18 ` Andrew Morton
2009-08-04 20:18 ` Andrew Morton
2009-08-04 20:35 ` Ingo Molnar
2009-08-04 20:35 ` Ingo Molnar
2009-08-04 20:53 ` Andrew Morton
2009-08-04 20:53 ` Andrew Morton
2009-08-05 7:53 ` Ingo Molnar
2009-08-05 7:53 ` Ingo Molnar
2009-08-05 13:04 ` Peter Zijlstra
2009-08-05 13:04 ` Peter Zijlstra
2009-08-05 15:07 ` Valdis.Kletnieks
2009-08-05 14:53 ` Valdis.Kletnieks
2009-08-06 15:50 ` Mel Gorman
2009-08-06 15:50 ` Mel Gorman
2009-08-05 3:07 ` KOSAKI Motohiro
2009-08-05 3:07 ` KOSAKI Motohiro
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=4A71A3FD.6030802@redhat.com \
--to=riel@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lwoodman@redhat.com \
--cc=mel@csn.ul.ie \
--cc=mingo@elte.hu \
--cc=peterz@infradead.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.