From: Cyril Hrubis <chrubis@suse.cz>
To: Jan Stancek <jstancek@redhat.com>
Cc: jkastner@redhat.com, ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH 2/2] sched_setparam/10-1: remove testcase
Date: Mon, 2 Mar 2015 14:11:37 +0100 [thread overview]
Message-ID: <20150302131136.GB16543@rei> (raw)
In-Reply-To: <8508ffa01798c137e7c2c50a7fd97e74702cc569.1425033440.git.jstancek@redhat.com>
Hi!
> As in 9-1, this hangs on -rt kernel, because alarm(2)
> never fires.
>
> In case it runs on single cpu system, it's pretty
> much same as 9-1: child process of higher priority
> preempts parent.
>
> In case it runs on 2+ CPUs, it doesn't matter that
> one child is able to preempt parent, shared value
> is going to be increased regardless in all other
> children.
Acked, this test is broken on 2+ CPUs.
--
Cyril Hrubis
chrubis@suse.cz
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next prev parent reply other threads:[~2015-03-02 13:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-27 10:41 [LTP] [PATCH 1/2] sched_setparam/9-1: fix hang on -rt kernel Jan Stancek
2015-02-27 10:41 ` [LTP] [PATCH 2/2] sched_setparam/10-1: remove testcase Jan Stancek
2015-03-02 13:11 ` Cyril Hrubis [this message]
2015-03-02 13:04 ` [LTP] [PATCH 1/2] sched_setparam/9-1: fix hang on -rt kernel Cyril Hrubis
[not found] ` <1750098575.20916844.1425303360282.JavaMail.zimbra@redhat.com>
2015-03-02 13:47 ` Cyril Hrubis
[not found] ` <951353219.21574463.1425379677968.JavaMail.zimbra@redhat.com>
2015-03-03 14:23 ` Cyril Hrubis
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