linux-kernel - [ANNOUNCE] sched: schedtop utility v0.5

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Message-ID: <4857ABA2.6060801@gmail.com>
Date:	Tue, 17 Jun 2008 08:18:42 -0400
From:	Gregory Haskins <gregory.haskins.ml@...il.com>
To:	Gregory Haskins <ghaskins@...ell.com>
CC:	Ankita Garg <ankita@...ibm.com>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, rostedt@...dmis.org,
	Peter Zijlstra <peterz@...radead.org>,
	suresh.b.siddha@...el.com, aneesh.kumar@...ux.vnet.ibm.com,
	dhaval@...ux.vnet.ibm.com, vatsa@...ux.vnet.ibm.com,
	David Bahi <DBahi@...ell.com>
Subject: [ANNOUNCE] sched: schedtop utility v0.5

Gregory Haskins wrote:
>>>> On Thu, May 22, 2008 at 10:06 AM, in message <483545B4.BA47.005A.0@...ell.com>,
> Gregory Haskins wrote: 
>> Hi all scheduler developers,
>>   I had an itch to scratch w.r.t. watching the stats in /proc/schedstats, 
>> and it appears that the perl scripts referenced in 
>> Documentation/scheduler/sched-stats.txt do not support v14 from HEAD so I 
>> whipped up a little utility I call "schedtop".
>>
>> This utility will process statistics from /proc/schedstat such that the 
>> busiest stats will bubble up to the top.  It can alternately be sorted by the 
>> largest stat, or by name.  Stats can be included or excluded based on reg-ex 
>> pattern matching.
>>
>> You can download the tarball here:
>>
>> ftp://ftp.novell.com/dev/ghaskins/schedtop.tar.gz
>>
>> I have also posted it to the opensuse build service for generating RPMS for 
>> a handful of 32/64-bit x86 distros for your convenience:
>>
>> http://download.opensuse.org/repositories/home:/ghaskins/
>>
>> (Note that the build is still in progress for some of the favors, so if you 
>> do not see the flavor you are looking for, check back in a little while)
>>
>> Comments/feedback/bug-fixes welcome!
>>
>> Regards
>> -Greg
> 
> Hi All,
>   I have posted an update to schedtop (v0.3) which adds /proc/<pid>/schedstats and /proc/<pid>/sched stats to the mix.
> 
> Also note that there is a comprehensive filtering mechanism built into all versions of schedtop:
> 
> "-i <REGEX>" sets the *include* pattern, and
> "-x <REGEX> sets the *exclude* pattern.
> 
> By default, -i is set to allow everything, and -x is set to exclude nothing.  A common config for me is to use "-x sched_info" since those sched_info stats seem to always be moving rapidly and can cloud stats that are more interesting (to me, anyway).
> 
> Let me know if you have any questions.  Comments/feedback are welcome
> 
> -Greg

Hi All,
  I have released a new version (v0.5) which fixes a compile error on 
some platforms (like Mandriva, RHEL, and opensuse-factory) that did not 
like the usage of operator/ in boost::filesystem::path code.  v0.5 is 
now fully supported on all of the original platforms that v0.2 worked on.

> 
> 
> 
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