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Date: Mon, 7 Apr 2008 23:37:43 -0700 From: "Paul Menage" <menage@...gle.com> To: balbir@...ux.vnet.ibm.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) On Sat, Apr 5, 2008 at 10:38 PM, Balbir Singh <balbir@...ux.vnet.ibm.com> wrote: > > > > 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. > I'm not convinced that an application that creates 400 threads and exits in 10 seconds is particular representative of a high-performance application. But I agree that it's an example of something it may be worth trying to optimize for. You mention that you saw tgid exits - what order did the individual threads exit in? If we threw the mm to the last thread in the thread group rather than the first, would that help? Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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