From: Mike Galbraith <efault@gmx.de>
To: Don Mullis <dwm@meer.net>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: 2.6.19-rc6-mm1 -- sched-improve-migration-accuracy.patch slows boot
Date: Sun, 26 Nov 2006 07:24:23 +0100 [thread overview]
Message-ID: <1164522263.5808.12.camel@Homer.simpson.net> (raw)
In-Reply-To: <1164484124.2894.50.camel@localhost.localdomain>
On Sat, 2006-11-25 at 11:48 -0800, Don Mullis wrote:
> > +sched-improve-migration-accuracy.patch
> > +sched-improve-migration-accuracy-tidy.patch
>
> Bisection shows that this pair of patches raises the boot time;
> specifically, the delay from logging of
>
> "INIT: version 2.86 booting"
>
> to
> " Welcome to Fedora Core"
>
> goes from 4s to 4m40s. From there to
Wow.
>
>
> "Setting clock (utc): Sat Nov 25 10:18:11 PST 2006 [ OK ]"
>
> takes an additional 30s.
This must be a bisection false positive. The patch in question is
essentially a no-op for a UP kernel.
-Mike
next prev parent reply other threads:[~2006-11-26 6:25 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-23 10:17 2.6.19-rc6-mm1 Andrew Morton
2006-11-23 10:38 ` 2.6.19-rc6-mm1 Reuben Farrelly
2006-11-23 14:06 ` [PATCH] x86_64: fix build without HOTPLUG_CPU (was Re: 2.6.19-rc6-mm1) Jiri Kosina
2006-11-23 15:08 ` Andi Kleen
2006-11-23 15:17 ` Jiri Kosina
2006-11-23 15:27 ` Andi Kleen
2006-11-23 15:37 ` Jiri Kosina
2006-11-23 16:33 ` Ingo Molnar
2006-11-23 11:23 ` 2.6.19-rc6-mm1 Mariusz Kozlowski
2006-11-23 18:36 ` 2.6.19-rc6-mm1 Andrew Morton
2006-11-23 19:24 ` 2.6.19-rc6-mm1 Mariusz Kozlowski
2006-11-23 20:20 ` 2.6.19-rc6-mm1 Andy Whitcroft
2006-11-23 20:56 ` 2.6.19-rc6-mm1 Andrew Morton
2006-11-24 19:34 ` 2.6.19-rc6-mm1 Matthew Frost
2006-11-23 20:23 ` 2.6.19-rc6-mm1 Benoit Boissinot
2006-11-23 12:22 ` 2.6.19-rc6-mm1 Mariusz Kozlowski
2006-11-23 13:03 ` 2.6.19-rc6-mm1 Andy Whitcroft
2006-11-23 17:26 ` MCORE2 include/asm/module.h:60:2: error: #error unknown processor family [was Re: 2.6.19-rc6-mm1] Mattia Dongili
2006-11-23 23:30 ` 2.6.19-rc6-mm1: no help text for TCP_MD5SIG_DEBUG Adrian Bunk
2006-11-24 1:37 ` David Miller
2006-11-24 0:17 ` 2.6.19-rc6-mm1: drivers/net/chelsio/: unused code Adrian Bunk
2006-11-27 18:24 ` Stephen Hemminger
2006-11-29 7:36 ` Adrian Bunk
2006-11-29 7:47 ` Andrew Morton
2007-02-20 0:02 ` Adrian Bunk
2007-02-20 21:31 ` Stephen Hemminger
2007-02-20 22:06 ` Adrian Bunk
2006-11-24 1:46 ` [-mm patch] make qla2x00_reg_remote_port() static Adrian Bunk
2006-11-27 17:22 ` Andrew Vasquez
2006-11-24 1:46 ` [-mm patch] make proc_pid_io_accounting() static Adrian Bunk
2006-11-24 1:46 ` [-mm patch] make readahead_debug_level static Adrian Bunk
2006-11-24 16:59 ` [PATCH] efi_limit_regions triggers link failure when CONFIG_EFI is not defined Andy Whitcroft
2006-11-24 17:05 ` Andi Kleen
2006-11-24 17:24 ` Andy Whitcroft
2006-11-24 17:33 ` Andi Kleen
2006-11-24 21:30 ` Andrew Morton
2006-11-26 2:13 ` Matthew Frost
2006-11-24 17:58 ` [PATCH] x86_64 vsyscall fails to compile when CONFIG_HOTPLUG_CPU is disabled Andy Whitcroft
2006-11-24 18:03 ` Jiri Kosina
2006-11-24 19:11 ` Andi Kleen
2006-11-24 21:58 ` [-mm patch] net/: possible cleanups Adrian Bunk
2006-12-01 1:28 ` David Miller
2006-11-25 19:15 ` [-mm patch] include/linux/bug.h must always #include <linux/module.h> Adrian Bunk
2006-11-25 19:17 ` [-mm patch] fs/stack.c should #include <linux/fs_stack.h> Adrian Bunk
2006-11-25 19:57 ` Josef Sipek
2006-11-25 19:21 ` [-mm patch] fs/reiser4/: more possible cleanups Adrian Bunk
2006-11-25 19:48 ` 2.6.19-rc6-mm1 -- sched-improve-migration-accuracy.patch slows boot Don Mullis
2006-11-26 6:24 ` Mike Galbraith [this message]
2006-11-27 1:38 ` Don Mullis
2006-11-27 10:16 ` Ingo Molnar
2006-11-28 18:47 ` Don Mullis
2006-11-27 10:50 ` [patch] " Mike Galbraith
2006-11-27 17:17 ` Don Mullis
2006-11-27 18:27 ` Mike Galbraith
2006-11-26 5:40 ` [-mm patch] sound/soc/soc-dapm.c: make 4 functions static Adrian Bunk
2006-11-27 4:21 ` [PATCH] paravirt reorder functions to avoid unspecified behaviour Andy Whitcroft
2006-11-27 11:13 ` Andi Kleen
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