From: ebiederm@xmission.com (Eric W. Biederman)
To: Robin Holt <holt@sgi.com>
Cc: Roland McGrath <roland@redhat.com>,
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>,
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 18:35:39 -0600 [thread overview]
Message-ID: <m1r6qtyskk.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20070409173053.GD22997@lnx-holt.americas.sgi.com> (Robin Holt's message of "Mon, 9 Apr 2007 12:30:53 -0500")
Robin Holt <holt@sgi.com> writes:
> OK. I just got the OK from management. The system we were booting was
> for research only. We had NR_CPUS=num_online_cpus()=4096 which were
> non-hyperthreaded. With no attached I/O and the tweak I originally
> posted plus one change Jack has already gotten accepted, the machine
> booted in approx 12 minutes.
How much of that time was between the time the kernel was loaded
and before user space was started?
Twelve minutes sounds like a long time for a boot, if you aren't fsck'ing
filesystems.
Eric
next prev parent reply other threads:[~2007-04-10 0:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-08 15:53 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 [this message]
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
2007-04-09 14:52 ` Robin Holt
2007-04-10 15:47 ` Jan Engelhardt
2007-04-10 18:20 ` Jan Engelhardt
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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