linux-kernel - Re: [PATCH v2] Perf Bench: Locking Microbenchmark

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Date:	Fri, 21 Nov 2014 10:46:51 -0800
From:	Tuan Bui <tuan.d.bui@...com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, dbueso@...e.de,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, artagnon@...il.com,
	jolsa@...hat.com, dvhart@...ux.intel.com,
	Aswin Chandramouleeswaran <aswin@...com>,
	Jason Low <jason.low2@...com>, akpm@...ux-foundation.org,
	mingo@...nel.org
Subject: Re: [PATCH v2] Perf Bench: Locking Microbenchmark

On Fri, 2014-11-21 at 12:57 -0300, Arnaldo Carvalho de Melo wrote:
> > 
> > Test machine is a 8-sockets 80 cores Westmere system HT-off on v3.17-rc6.
> > 
> > 	AIM7		AIM7		perf-bench	perf-bench
> > Users	Jobs/min	Jobs/min/child	Ops/sec		Ops/sec/child
> > 500	119668.25	239.34		104249		208
> > 600	126074.90	210.12		106136		176
> > 700	128662.42	183.80		106175		151
> > 800	119822.05	149.78		106290		132
> > 900	106150.25	117.94		105230		116
> > 1000	104681.29	104.68		106489		106
> > 
> > Perf trace for AIM7 fserver:
> 
> I will rename this from "Perf trace for AIM7 fserver" to "Perf report
> for AIM7 fserver", as there is a 'perf trace' tool and that produces
> different output, etc.
> 

I will make this changes for the next revision.

> > 14.51%	reaim  		[kernel.kallsyms]	[k] osq_lock
> > 4.98%	reaim  		reaim			[.] add_long
> > 4.98%	reaim  		reaim			[.] add_int
> > 4.31%	reaim  		[kernel.kallsyms]	[k] mutex_spin_on_owner
> > ...
> > 
> > Perf trace of perf bench creat
> 
> Ditto and here will replace 'perf bench creat' with the new naming:
> "perf bench locking vfs", right?
> 

Yes perf bench creat is suppose to be perf bench vfs.  I will make the
correction for the next revision.



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