From: Noel Grandin <noel@peralex.com>
To: Karsten Blees <karsten.blees@gmail.com>,
Git List <git@vger.kernel.org>,
msysGit <msysgit@googlegroups.com>
Subject: Re: [RFC/PATCH v4 1/3] add high resolution timer function to debug performance issues
Date: Wed, 21 May 2014 09:31:00 +0200 [thread overview]
Message-ID: <537C5634.3050807@peralex.com> (raw)
In-Reply-To: <537BA8D1.1090503@gmail.com>
On 2014-05-20 21:11, Karsten Blees wrote:
> * implement Mac OSX version using mach_absolute_time
>
>
Note that unlike the Windows and Linux APIs, mach_absolute_time does not do correction for frequency-scaling and
cross-CPU synchronization with the TSC.
I'm not aware of anything else that you could use on MacOS, so your best bet is probably just to use mach_absolute_time
and document it's shortcomings.
Regards, Noel.
Disclaimer: http://www.peralex.com/disclaimer.html
next prev parent reply other threads:[~2014-05-21 7:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <537BA806.50600@gmail.com>
2014-05-20 19:11 ` [RFC/PATCH v4 1/3] add high resolution timer function to debug performance issues Karsten Blees
2014-05-21 7:31 ` Noel Grandin [this message]
2014-05-21 9:14 ` Karsten Blees
2014-05-21 22:14 ` Richard Hansen
2014-05-21 22:17 ` Richard Hansen
2014-05-22 1:33 ` Karsten Blees
2014-05-20 19:11 ` [RFC/PATCH v4 2/3] add trace_performance facility " Karsten Blees
2014-05-21 16:58 ` Jeff King
2014-05-21 18:34 ` Karsten Blees
2014-05-21 20:55 ` Jeff King
2014-05-20 19:11 ` [RFC/PATCH v4 3/3] add command performance tracing to debug scripted commands Karsten Blees
2014-05-21 16:55 ` Jeff King
2014-05-21 17:38 ` Junio C Hamano
2014-05-22 0:40 ` Karsten Blees
2014-05-22 9:59 ` Jeff King
2014-05-23 14:43 ` Karsten Blees
2014-05-23 20:21 ` Jeff King
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