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From: ebiederm@xmission.com (Eric W. Biederman)
To: Robin Holt <holt@sgi.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>,
	Andrew Morton <akpm@linux-foundation.org>,
	Davide Libenzi <davidel@xmailserver.org>,
	Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Roland McGrath <roland@redhat.com>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [RFC, PATCH 1/3] introduce SYS_CLONE_MASK
Date: Mon, 09 Apr 2007 08:36:21 -0600	[thread overview]
Message-ID: <m18xd13996.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20070409104302.GA14764@lnx-holt.americas.sgi.com> (Robin Holt's message of "Mon, 9 Apr 2007 05:43:02 -0500")

Robin Holt <holt@sgi.com> writes:

> I would say this is more a benefit than a problem.  With a couple of these
> systems we are testing, the number of kernel threads is far greater than
> the number of user processes and having pstree not normally show them, but
> maybe have an option we add later to show them again would be beneficial.

Sure.

Robin how many kernel thread per cpu are you seeing?

I don't know that we have a problem in this regard but it feels like
you are seeing a lot more kernel threads per cpu than I would expect
from looking at small systems.

I am wondering if somewhere we are using per cpu kernel threads when
we should not be...

Eric

  reply	other threads:[~2007-04-09 14:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-08 15:53 [RFC, PATCH 1/3] introduce SYS_CLONE_MASK Oleg Nesterov
2007-04-08 16:19 ` Eric W. Biederman
2007-04-08 16:57   ` Oleg Nesterov
2007-04-09  1:05     ` Eric W. Biederman
2007-04-09  2:06       ` Roland McGrath
2007-04-09 16:20         ` Eric W. Biederman
2007-04-09 17:30           ` Robin Holt
2007-04-10  0:35             ` Eric W. Biederman
2007-04-10  9:56               ` Robin Holt
2007-04-09  9:06       ` Oleg Nesterov
2007-04-09 10:43         ` Robin Holt
2007-04-09 14:36           ` Eric W. Biederman [this message]
2007-04-09 14:52             ` Robin Holt
2007-04-10 15:47     ` Jan Engelhardt
2007-04-10 18:20       ` Jan Engelhardt
  -- strict thread matches above, loose matches on Subject: below --
2007-05-29  2:59 Albert Cahalan
2007-05-29  4:57 ` Eric W. Biederman
2007-05-29  3:23 Albert Cahalan
2007-05-29  4:53 ` Eric W. Biederman
2007-05-29  5:56   ` Roland McGrath
2007-05-30  0:33   ` Albert Cahalan
2007-05-30  1:43     ` Eric W. Biederman
2007-07-26  7:34   ` Jan Engelhardt

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