LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, tglx@linutronix.de
Cc: Mattia Dongili <malattia@linux.it>
Subject: Re: 2.6.20-rc6-mm3
Date: Thu, 1 Feb 2007 20:04:31 +0100	[thread overview]
Message-ID: <20070201190431.GA12333@elte.hu> (raw)
In-Reply-To: <20070131232130.GC4137@inferi.kami.home>


* Mattia Dongili <malattia@linux.it> wrote:

> > Full dmesg and config:
> > http://oioio.altervista.org/linux/nohz_soft-lockup.dmesg
> > http://oioio.altervista.org/linux/config-2.6.20-rc6-mm3-1
> > 
> > As a side note the process becomes slower and slower as it proceeds, 
> > it's definitely noticeable during my iptables rules setup (nothing 
> > that complex, just default policies and subnet/lan accept rules). 
> > Building with NO_HZ=n right now.
> 
> yes, slowness is gone. Any useful information I can provide?

thanks for reporting this - i'll try your config. There's one fix ontop 
of -mm3 - see below - but i'm not sure it's related, it addresses resume 
problems.

	Ingo

---
 kernel/timer.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux/kernel/timer.c
===================================================================
--- linux.orig/kernel/timer.c
+++ linux/kernel/timer.c
@@ -1120,8 +1120,9 @@ static int timekeeping_resume(struct sys
 
 	if (now && (now > timekeeping_suspend_time)) {
 		unsigned long sleep_length = now - timekeeping_suspend_time;
+
 		xtime.tv_sec += sleep_length;
-		jiffies_64 += (u64)sleep_length * HZ;
+		wall_to_monotonic.tv_sec -= sleep_length;
 	}
 	/* re-base the last cycle value */
 	clock->cycle_last = clocksource_read(clock);
@@ -1130,7 +1131,7 @@ static int timekeeping_resume(struct sys
 	warp_check_clock_was_changed();
 	write_sequnlock_irqrestore(&xtime_lock, flags);
 
-	clockevents_notify(CLOCK_EVT_NOTIFY_RESUME, NULL);
+	touch_softlockup_watchdog();
 	/* Resume hrtimers */
 	clock_was_set();
 

  reply	other threads:[~2007-02-01 19:06 UTC|newest]

Thread overview: 124+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-30  4:45 2.6.20-rc6-mm3 Andrew Morton
2007-01-30  4:50 ` 2.6.20-rc6-mm3 Jeff Garzik
2007-01-30  5:11   ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-30  9:56     ` 2.6.20-rc6-mm3 Evgeniy Polyakov
2007-01-30  8:16 ` 2.6.20-rc6-mm3 Sunil Naidu
2007-01-30  8:32   ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-30  9:06 ` 2.6.20-rc6-mm3 Olivier Galibert
2007-01-30  9:26   ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-30 18:47     ` 2.6.20-rc6-mm3 Olivier Galibert
2007-01-31  7:57     ` 2.6.20-rc6-mm3 Len Brown
2007-02-01  4:25     ` 2.6.20-rc6-mm3 Len Brown
2007-01-30 22:18 ` 2.6.20-rc6-mm3 Maciej Rutecki
2007-01-30 22:27   ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-31  0:55     ` 2.6.20-rc6-mm3 Karsten Wiese
2007-01-31 13:22       ` 2.6.20-rc6-mm3 Ingo Molnar
2007-01-31 14:25         ` 2.6.20-rc6-mm3 Karsten Wiese
2007-02-01  8:01           ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-01 10:44             ` 2.6.20-rc6-mm3 Karsten Wiese
2007-03-01 11:11               ` 2.6.20-rc6-mm3 Karsten Wiese
2007-02-03  0:37             ` 2.6.20-rc6-mm3 Pavel Machek
2007-02-01 13:03       ` [PATCH -mm] gtod persistent clock resume fix Thomas Gleixner
2007-01-31 11:54     ` 2.6.20-rc6-mm3 Maciej Rutecki
2007-02-01  4:10       ` 2.6.20-rc6-mm3 Len Brown
2007-02-01  4:17         ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-31  1:16   ` 2.6.20-rc6-mm3 Tilman Schmidt
2007-01-31  1:25     ` 2.6.20-rc6-mm3 Andrew Morton
2007-01-31 11:38       ` 2.6.20-rc6-mm3 Tilman Schmidt
2007-01-31 12:29         ` 2.6.20-rc6-mm3 Alexey Starikovskiy
2007-01-31 16:02           ` 2.6.20-rc6-mm3 Maciej Rutecki
2007-01-31 18:28           ` 2.6.20-rc6-mm3 Tilman Schmidt
2007-01-31 21:52 ` 2.6.20-rc6-mm3 Mattia Dongili
2007-01-31 23:21   ` 2.6.20-rc6-mm3 Mattia Dongili
2007-02-01 19:04     ` Ingo Molnar [this message]
2007-02-01 19:36     ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-01 20:01       ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-01 21:11         ` 2.6.20-rc6-mm3 Mattia Dongili
2007-02-01 22:33           ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-02 19:18             ` dynticks + iptables almost stops the boot process [was: Re: 2.6.20-rc6-mm3] Mattia Dongili
2007-02-02 20:27               ` Thomas Gleixner
2007-02-02 20:43                 ` Mattia Dongili
2007-02-06 16:48                   ` Ingo Molnar
2007-02-06 19:28                     ` Mattia Dongili
2007-02-06 23:12                       ` Tilman Schmidt
2007-02-06 23:17                         ` Thomas Gleixner
2007-02-07  1:01                           ` Andrew Morton
2007-02-07 19:33                             ` Ingo Molnar
2007-02-01 21:37         ` 2.6.20-rc6-mm3 Mattia Dongili
2007-02-01 20:24       ` 2.6.20-rc6-mm3 Mattia Dongili
2007-02-01  0:14 ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-01  0:24   ` 2.6.20-rc6-mm3 Andrew Morton
2007-02-01  0:27     ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-01  0:36       ` 2.6.20-rc6-mm3 Andrew Morton
2007-02-01  0:38         ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-01  6:20         ` 2.6.20-rc6-mm3 David Chinner
2007-02-01  7:12           ` 2.6.20-rc6-mm3 Andrew Morton
2007-02-01 19:01             ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-01 19:18               ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-01 20:18                 ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-01 20:26                   ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-01 23:02                     ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-05 12:02                       ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-05 12:17                         ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-05 12:56                           ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-05 18:20                             ` 2.6.20-rc6-mm3 Christoph Lameter
2007-02-05 18:34                               ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-02  4:08                 ` 2.6.20-rc6-mm3 David Chinner
2007-02-02  7:31                   ` 2.6.20-rc6-mm3 Jens Axboe
2007-02-01 18:24 ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-01 19:37   ` 2.6.20-rc6-mm3 Starikovskiy, Alexey Y
2007-02-01 20:29     ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-01 20:38       ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-02 14:22         ` 2.6.20-rc6-mm3 Starikovskiy, Alexey Y
2007-02-02 14:47           ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-02 14:50             ` 2.6.20-rc6-mm3 Starikovskiy, Alexey Y
2007-02-02 16:04               ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-03  7:30                 ` 2.6.20-rc6-mm3 Cedric Le Goater
2007-02-03  7:57                   ` 2.6.20-rc6-mm3 Starikovskiy, Alexey Y
2007-02-02 17:39 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 16:03 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 18:36   ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 18:45     ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 19:07       ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 19:55         ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 20:20           ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 20:40             ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 20:52               ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 20:56                 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 21:09                   ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 21:20                     ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 21:23                     ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 21:41                       ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 21:54                         ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 22:08                           ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 22:42                             ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 22:56                               ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 23:04                                 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:14                                   ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 23:22                                     ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:28                                       ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 23:35                                         ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:44                                           ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 23:51                                           ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-07  2:46                                             ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:36                                       ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-07  1:12                                         ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-07 14:53                                           ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 23:37                                       ` 2.6.20-rc6-mm3 Ingo Molnar
2007-02-06 22:13                           ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 21:43                       ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 21:59                         ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 21:17               ` 2.6.20-rc6-mm3 Thomas Gleixner
2007-02-06 21:25                 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:15               ` 2.6.20-rc6-mm3 Rob Landley
2007-02-06 23:28                 ` 2.6.20-rc6-mm3 Daniel Walker
2007-02-06 23:55                   ` 2.6.20-rc6-mm3 Rob Landley
2007-02-06 22:11 ` [-mm patch] #ifdef ACPI_FUTURE_USAGE acpi_os_readable() Adrian Bunk
2007-02-06 22:12 ` [RFC: -mm patch] drivers/net/atl1/: possible cleanups Adrian Bunk
2007-02-07  0:19   ` Jay Cliburn
2007-02-07  0:22     ` Jeff Garzik
2007-02-07  0:24       ` J. K. Cliburn
2007-02-07  0:24     ` Adrian Bunk
2007-02-06 22:12 ` [-mm patch] drivers/scsi/aacraid/: cleanups Adrian Bunk
2007-02-06 22:12 ` [-mm patch] make gfs2_writepages() static Adrian Bunk
2007-02-07 10:50   ` Steven Whitehouse

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070201190431.GA12333@elte.hu \
    --to=mingo@elte.hu \
    --cc=akpm@osdl.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=malattia@linux.it \
    --cc=tglx@linutronix.de \
    --subject='Re: 2.6.20-rc6-mm3' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).