From: Shailabh Nagar <nagar@watson.ibm.com>
To: Jay Lan <jlan@engr.sgi.com>
Cc: Paul Jackson <pj@sgi.com>,
akpm@osdl.org, Valdis.Kletnieks@vt.edu, balbir@in.ibm.com,
csturtiv@sgi.com, linux-kernel@vger.kernel.org, hadi@cyberus.ca,
netdev@vger.kernel.org
Subject: Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
Date: Wed, 05 Jul 2006 14:18:39 -0400 [thread overview]
Message-ID: <44AC027F.8050906@watson.ibm.com> (raw)
In-Reply-To: <44ABF4CE.2000604@engr.sgi.com>
Jay Lan wrote:
> Shailabh Nagar wrote:
>
>
>>Yes. If no one registers to listen on a particular CPU, data from tasks
>>exiting on that cpu is not sent out at all.
>
>
> Shailabh also wrote:
>
>
>>During task exit, kernel goes through each registered listener (small
>>list) and decides which
>>one needs to get this exit data and calls a genetlink_unicast to each
>>one that does need it.
>
>
>
> Are we eliminating multicast taskstats data at exit time?
Yes. Only unicasts to each listener now.
> A unicast
> exit data with cpumask will do for me, but just like to be sure where
> we are.
next prev parent reply other threads:[~2006-07-05 18:18 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <44892610.6040001@watson.ibm.com>
[not found] ` <20060609042129.ae97018c.akpm@osdl.org>
[not found] ` <4489EE7C.3080007@watson.ibm.com>
[not found] ` <449999D1.7000403@engr.sgi.com>
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[not found] ` <20060623141926.b28a5fc0.akpm@osdl.org>
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[not found] ` <20060623164743.c894c314.akpm@osdl.org>
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[not found] ` <20060623213912.96056b02.akpm@osdl.org>
[not found] ` <449CD4B3.8020300@watson.ibm.com>
[not found] ` <44A01A50.1050403@sgi.com>
[not found] ` <20060626105548.edef4c64.akpm@osdl.org>
[not found] ` <44A020CD.30903@watson.ibm.com>
[not found] ` <20060626111249.7aece36e.akpm@osdl.org>
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[not found] ` <20060626113959.839d72bc.akpm@osdl.org>
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[not found] ` <20060628145341.529a61ab.akpm@osdl.org>
[not found] ` <44A2FC72.9090407@engr.sgi.com>
[not found] ` <20060629014050.d3bf0be4.pj@sgi.com>
[not found] ` <200606291230.k5TCUg45030710@turing-police.cc.vt.edu>
[not found] ` <200606291230.k5TCUg45030710@turing-police.cc.vt. edu>
[not found] ` <20060629094408.360ac157.pj@sgi.com>
[not found] ` <20060629110107.2e56310b.akpm@osdl.org>
2006-06-29 19:10 ` [Patch][RFC] Disabling per-tgid stats on task exit in taskstats Shailabh Nagar
2006-06-29 19:23 ` Paul Jackson
2006-06-29 19:33 ` Andrew Morton
2006-06-29 19:43 ` Shailabh Nagar
2006-06-29 20:00 ` Andrew Morton
2006-06-29 22:13 ` Shailabh Nagar
2006-06-29 23:00 ` jamal
2006-06-29 20:01 ` Shailabh Nagar
2006-06-29 21:22 ` Paul Jackson
2006-06-29 22:54 ` jamal
2006-06-30 0:38 ` Shailabh Nagar
2006-06-30 1:05 ` Andrew Morton
2006-06-30 1:11 ` Shailabh Nagar
2006-06-30 1:30 ` jamal
2006-06-30 3:01 ` Shailabh Nagar
2006-06-30 12:45 ` jamal
2006-06-30 2:25 ` Paul Jackson
2006-06-30 2:35 ` Andrew Morton
2006-06-30 2:43 ` Paul Jackson
2006-06-30 18:53 ` Shailabh Nagar
2006-06-30 19:10 ` Shailabh Nagar
2006-06-30 19:19 ` Shailabh Nagar
2006-06-30 20:19 ` jamal
2006-06-30 22:50 ` Andrew Morton
2006-07-01 2:20 ` Shailabh Nagar
2006-07-01 2:43 ` Andrew Morton
2006-07-01 3:37 ` Shailabh Nagar
2006-07-01 3:51 ` Andrew Morton
2006-07-03 21:11 ` Shailabh Nagar
2006-07-03 21:41 ` Andrew Morton
2006-07-04 0:13 ` Shailabh Nagar
2006-07-04 0:38 ` Andrew Morton
2006-07-04 20:19 ` Paul Jackson
2006-07-04 20:22 ` Paul Jackson
2006-07-04 0:54 ` Shailabh Nagar
2006-07-04 1:01 ` Andrew Morton
2006-07-04 13:05 ` jamal
2006-07-04 15:18 ` Shailabh Nagar
2006-07-04 16:37 ` Shailabh Nagar
2006-07-04 19:24 ` jamal
2006-07-05 14:09 ` Shailabh Nagar
2006-07-05 20:25 ` Chris Sturtivant
2006-07-05 20:32 ` Shailabh Nagar
2006-07-03 4:53 ` Paul Jackson
2006-07-03 15:02 ` Shailabh Nagar
2006-07-03 15:55 ` Paul Jackson
2006-07-03 16:31 ` Paul Jackson
2006-07-04 0:09 ` Shailabh Nagar
2006-07-04 19:59 ` Paul Jackson
2006-07-05 17:20 ` Jay Lan
2006-07-05 18:18 ` Shailabh Nagar [this message]
2006-06-30 22:56 ` Andrew Morton
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