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Re: Task watchers v2
- From: Paul Jackson <pj at sgi dot com>
- To: Matt Helsley <matthltc at us dot ibm dot com>
- Cc: yanmin_zhang at linux dot intel dot com, akpm at osdl dot org, linux-kernel at vger dot kernel dot org, jes at sgi dot com, hch at lst dot de, viro at zeniv dot linux dot org dot uk, sgrubb at redhat dot com, linux-audit at redhat dot com, pj at sgi dot com, systemtap at sources dot redhat dot com
- Date: Mon, 18 Dec 2006 21:41:59 -0800
- Subject: Re: Task watchers v2
- Organization: SGI
- References: <20061215000754.764718000@us.ibm.com> <20061215000817.771088000@us.ibm.com> <1166420641.15989.117.camel@ymzhang> <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