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From: Arnd Bergmann <arnd@arndb.de>
To: paulmck@linux.vnet.ibm.com
Cc: Carl Love <cel@us.ibm.com>,
	linuxppc-dev@ozlabs.org, cbe-oss-dev@ozlabs.org,
	oprofile-list@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [Cbe-oss-dev] [RFC, PATCH] CELL Oprofile SPU profiling	updated	patch
Date: Fri, 16 Feb 2007 01:33:13 +0100	[thread overview]
Message-ID: <200702160133.14330.arnd@arndb.de> (raw)
In-Reply-To: <20070215215047.GE1913@linux.vnet.ibm.com>

On Thursday 15 February 2007 22:50, Paul E. McKenney wrote:
> Is this 1.5ms with interrupts disabled?  This time period is problematic
> from a realtime perspective if so -- need to be able to preempt.

No, interrupts should be enabled here. Still, 1.5ms is probably a little
too long without a cond_resched() in case kernel preemption is disabled.

	Arnd <><

  reply	other threads:[~2007-02-16  0:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-14 23:52 Carl Love
2007-02-15 14:37 ` Arnd Bergmann
2007-02-15 16:15   ` Maynard Johnson
2007-02-15 18:13     ` Arnd Bergmann
2007-02-15 20:21   ` Carl Love
2007-02-15 21:03     ` Arnd Bergmann
2007-02-15 21:50     ` Paul E. McKenney
2007-02-16  0:33       ` Arnd Bergmann [this message]
2007-02-16  0:32   ` Maynard Johnson
2007-02-16 17:14     ` Arnd Bergmann
2007-02-16 21:43       ` Maynard Johnson
2007-02-18 23:18         ` Maynard Johnson
  -- strict thread matches above, loose matches on Subject: below --
2007-02-22  0:02 Carl Love
2007-02-26 23:50 ` Arnd Bergmann
2007-02-27  1:31   ` Michael Ellerman
2007-02-27 16:52   ` Maynard Johnson
2007-02-28  1:44     ` Arnd Bergmann
2007-02-06  0:28 [RFC,PATCH] CELL PPU " Carl Love
2007-02-06 23:02 ` [Cbe-oss-dev] [RFC, PATCH] CELL " Carl Love
2007-02-07 15:41   ` Maynard Johnson
2007-02-07 22:48     ` Michael Ellerman
2007-02-08 15:03       ` Maynard Johnson
2007-02-08 14:18   ` Milton Miller
2007-02-08 17:21     ` Arnd Bergmann
2007-02-08 18:01       ` Adrian Reber
2007-02-08 22:51       ` Carl Love
2007-02-09  2:46         ` Milton Miller
2007-02-09 16:17           ` Carl Love
2007-02-11 22:46             ` Milton Miller
2007-02-12 16:38               ` Carl Love
2007-02-09 18:47       ` Milton Miller
2007-02-09 19:10         ` Arnd Bergmann
2007-02-09 19:46           ` Milton Miller
2007-02-08 23:59     ` Maynard Johnson
2007-02-09 18:03       ` Milton Miller

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