From: Paul Jackson <pj@sgi.com>
To: Matt Helsley <matthltc@us.ibm.com>
Cc: yanmin_zhang@linux.intel.com, akpm@osdl.org,
linux-kernel@vger.kernel.org, jes@sgi.com, hch@lst.de,
viro@zeniv.linux.org.uk, sgrubb@redhat.com,
linux-audit@redhat.com, pj@sgi.com, systemtap@sources.redhat.com
Subject: Re: Task watchers v2
Date: Mon, 18 Dec 2006 21:41:59 -0800 [thread overview]
Message-ID: <20061218214159.2d571bf5.pj@sgi.com> (raw)
In-Reply-To: <1166447901.995.110.camel@localhost.localdomain>
Matt wrote:
> - Task watchers can actually improve kernel performance slightly (up to
> 2% in extremely fork-heavy workloads for instance).
Nice.
Could you explain why?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
next prev parent reply other threads:[~2006-12-19 5:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-15 0:07 [PATCH 00/10] Introduction Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 0:07 ` Task watchers v2 Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 8:34 ` Christoph Hellwig
2006-12-15 22:17 ` Matt Helsley
2006-12-15 22:17 ` Matt Helsley
2006-12-15 23:13 ` Matt Helsley
2006-12-15 23:13 ` Matt Helsley
2006-12-18 5:44 ` Zhang, Yanmin
2006-12-18 13:18 ` Matt Helsley
2006-12-19 5:41 ` Paul Jackson [this message]
2006-12-19 12:05 ` Matt Helsley
2006-12-19 12:26 ` Paul Jackson
2006-12-15 0:07 ` Register audit task watcher Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 0:07 ` Register semundo " Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 0:07 ` Register cpuset " Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 0:07 ` Register NUMA mempolicy " Matt Helsley
2006-12-15 0:07 ` Matt Helsley
2006-12-15 0:08 ` Register IRQ flag tracing " Matt Helsley
2006-12-15 0:08 ` Matt Helsley
2006-12-15 0:08 ` Register lockdep " Matt Helsley
2006-12-15 0:08 ` Matt Helsley
2006-12-15 0:08 ` Register process keyrings " Matt Helsley
2006-12-15 0:08 ` Matt Helsley
2006-12-15 0:08 ` Register process events connector Matt Helsley
2006-12-15 0:08 ` Matt Helsley
2006-12-15 0:08 ` Prefetch hint Matt Helsley
2006-12-15 0:08 ` Matt Helsley
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