From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
john stultz <johnstul@us.ibm.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/3] [PATCH] more sched_clock updates
Date: Wed, 09 Jul 2008 00:15:30 -0400 [thread overview]
Message-ID: <20080709041530.668120406@goodmis.org> (raw)
ftrace is still seeing jumps in the sched_clock.c code that is not seen in
using sched_clock() function itself. The following patches fix some of
the issues that I've seen. There is still a slight drift but all my attempts
to remove it completely have failed. Patch 3 does the best sofar at
keeping the jumps to a minimum.
-- Steve
next reply other threads:[~2008-07-09 4:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-09 4:15 Steven Rostedt [this message]
2008-07-09 4:15 ` [PATCH 1/3] sched_clock: only update deltas with local reads Steven Rostedt
2008-07-09 4:15 ` [PATCH 2/3] sched_clock: record TSC after gtod Steven Rostedt
2008-07-09 4:15 ` [PATCH 3/3] sched_clock: and multiplier for TSC to gtod drift Steven Rostedt
2008-07-11 13:56 ` [PATCH 0/3] [PATCH] more sched_clock updates Ingo Molnar
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