linux-kernel - Re: [announce] Performance Counters for Linux, v6

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Message-ID: <497778E3.1020502@oracle.com>
Date:	Wed, 21 Jan 2009 11:34:59 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephane Eranian <eranian@...glemail.com>,
	Eric Dumazet <dada1@...mosbay.com>,
	Robert Richter <robert.richter@....com>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Anvin <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mike Galbraith <efault@....de>
Subject: Re: [announce] Performance Counters for Linux, v6

Ingo Molnar wrote:
> We are pleased to announce version 6 of our performance counters subsystem 
> implementation. The shortlog, diffstat and the combo patch can be found 
> below. The combo patch against latest -git (2.6.29-rc2) can be also found 
> at:
> 
>    http://people.redhat.com/mingo/perfcounters/perfcounters-v6-v2.6.29-rc2.patch
> 
> It's also available in tip/master at:
>  
>    http://people.redhat.com/mingo/tip.git/README
>  
> There are many changes in the v6 release:
> 
>  - PowerPC performance counters support from Paul Mackerras, for POWER6
>    and for the PPC970 family.
> 
>  - ioctl API to disable/enable individual counters and groups without
>    closing their fd. This can be useful for libraries, ad-hoc 
>    instrumentation and PAPI support.
> 
>  - 'pinned' and 'exclusive' counter attributes - for those
>    applications that want to influence counter scheduling explicitly.
> 
>  - The 'perfstat' utility (ex 'timec') has been updated:
> 
>       http://people.redhat.com/mingo/perfcounters/perfstat.c
> 
>  - 'kerneltop' (easy-to-use text mode NMI profiler) has been updated:
>    
>       http://people.redhat.com/mingo/perfcounters/kerneltop.c

BTW, this kerneltop has nothing to do with that other one??

	http://www.xenotime.net/linux/kerneltop/


Thanks,
-- 
~Randy
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