From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Mike Galbraith <efault@gmx.de>, Andi Kleen <ak@suse.de>,
Christopher Friesen <cfriesen@nortel.com>,
linux-kernel@vger.kernel.org
Subject: Re: sched_clock() uses are broken
Date: Mon, 08 May 2006 00:04:34 +1000 [thread overview]
Message-ID: <445DFE72.4080801@yahoo.com.au> (raw)
In-Reply-To: <20060507135540.GD20443@flint.arm.linux.org.uk>
Russell King wrote:
> Also, any comments on update_cpu_clock() and current_sched_time() both
> appearing to be buggy, or am I barking up the wrong tree with those?
Can't remember off the top of my head who put those in, sorry.
Aside from the fact that they appear to be fundamentally buggy anyway
because we don't require exact ns intervals from sched_clock() at the
best of times, I think your wrapping fix for them looks correct.
Thanks,
Nick
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2006-05-07 14:18 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-02 13:29 sched_clock() uses are broken Russell King
2006-05-02 14:21 ` Nick Piggin
2006-05-02 16:43 ` Andi Kleen
2006-05-02 16:50 ` Russell King
2006-05-02 17:01 ` Andi Kleen
2006-05-02 17:18 ` Nicolas Pitre
2006-05-02 18:55 ` Russell King
2006-05-02 19:05 ` Nicolas Pitre
2006-05-02 19:08 ` Russell King
2006-05-02 19:23 ` Nicolas Pitre
2006-05-02 21:35 ` Russell King
2006-05-02 17:15 ` Nicolas Pitre
2006-05-04 3:50 ` George Anzinger
2006-05-04 14:18 ` Nicolas Pitre
2006-05-02 16:54 ` Christopher Friesen
2006-05-02 16:59 ` Andi Kleen
2006-05-02 17:07 ` Nick Piggin
2006-05-03 7:09 ` Mike Galbraith
2006-05-03 7:40 ` Andi Kleen
2006-05-03 9:11 ` Mike Galbraith
2006-05-03 9:16 ` Andi Kleen
2006-05-03 9:31 ` Mike Galbraith
2006-05-07 12:33 ` Nick Piggin
2006-05-07 12:43 ` Russell King
2006-05-07 12:56 ` Nick Piggin
2006-05-07 13:00 ` Nick Piggin
2006-05-07 13:18 ` Russell King
2006-05-07 13:30 ` Nick Piggin
2006-05-07 13:55 ` Russell King
2006-05-07 14:04 ` Nick Piggin [this message]
2006-05-07 16:03 ` Andi Kleen
2006-05-07 16:53 ` Russell King
2006-05-07 17:52 ` Mike Galbraith
2006-05-07 17:37 ` Mike Galbraith
2006-05-07 17:32 ` Mike Galbraith
2006-05-08 4:14 ` Mike Galbraith
2006-05-08 4:37 ` Mike Galbraith
2006-05-08 4:46 ` Nick Piggin
2006-05-08 5:24 ` Mike Galbraith
2006-05-08 5:30 ` Nick Piggin
2006-05-04 20:02 ` Florian Paul Schmidt
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