linux-kernel - Re: [-mm] Add an owner to the mm

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Message-ID: <47F861C8.7080700@linux.vnet.ibm.com>
Date:	Sun, 06 Apr 2008 11:08:16 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Paul Menage <menage@...gle.com>
CC:	Pavel Emelianov <xemul@...nvz.org>,
	Hugh Dickins <hugh@...itas.com>,
	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@...inux.co.jp>,
	linux-kernel@...r.kernel.org, taka@...inux.co.jp,
	linux-mm@...ck.org, David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [-mm] Add an owner to the mm_struct (v8)

Paul Menage wrote:
> On Sat, Apr 5, 2008 at 11:59 AM, Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:
>>  > But surely the performance of thread exits wouldn't be affected by the
>>  > delay_group_leader(p) change, since none of the exiting threads would
>>  > be a group leader. That optimization only matters when the entire
>>  > process exits.
>>  >
>>
>>  On the client side, each JVM instance exits after the test. I see the thread
>>  group leader exit as well through getdelays (I see TGID exits).
> 
> How long does the test run for? How many threads does each client have?

The test on each client side runs for about 10 seconds. I saw the client create
up to 411 threads.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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