From: Joerg Roedel <joro@8bytes.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: "Bjørn Mork" <bjorn@mork.no>,
"Paul E. McKenney" <paul.mckenney@linaro.org>,
linux-kernel@vger.kernel.org
Subject: Re: Bisected post-3.9 regression: Resume takes 5 times as much time as with v3.9
Date: Sun, 12 May 2013 23:34:30 +0200 [thread overview]
Message-ID: <20130512213430.GE24440@8bytes.org> (raw)
In-Reply-To: <20130512205747.GK3648@linux.vnet.ibm.com>
On Sun, May 12, 2013 at 01:57:48PM -0700, Paul E. McKenney wrote:
> That does look pretty extreme! If you build with CONFIG_RCU_NO_HZ=n,
> but without the revert, do you still get the delays?
With CONFIG_RCU_NO_HZ=n (and no revert) the system boots fine, no boot
delay. I also enabled some RCU debugging options (with
CONFIG_RCU_NO_HZ=y), but didn't see anything so far.
Joerg
next prev parent reply other threads:[~2013-05-12 21:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-11 18:04 Bisected post-3.9 regression: Resume takes 5 times as much time as with v3.9 Bjørn Mork
2013-05-12 11:31 ` Paul E. McKenney
2013-05-12 16:13 ` Bjørn Mork
2013-05-12 16:27 ` Borislav Petkov
2013-05-12 16:56 ` Bjørn Mork
2013-05-12 17:20 ` Borislav Petkov
2013-05-13 11:30 ` Rafael J. Wysocki
2013-05-13 12:00 ` [PATCH] hibernate: Correct documentation Borislav Petkov
2013-05-14 6:34 ` Rob Landley
2013-05-14 7:42 ` Borislav Petkov
2013-05-14 10:38 ` Bisected post-3.9 regression: Resume takes 5 times as much time as with v3.9 Paul E. McKenney
2013-05-12 18:29 ` Joerg Roedel
2013-05-12 20:57 ` Paul E. McKenney
2013-05-12 21:34 ` Joerg Roedel [this message]
2013-05-13 1:35 ` Paul E. McKenney
2013-05-13 6:00 ` Joerg Roedel
2013-05-13 14:00 ` Paul E. McKenney
2013-05-14 17:37 ` Joerg Roedel
2013-05-14 17:49 ` Paul E. McKenney
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