From: Richard Hansen <rhansen@bbn.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 18:14:00 -0400 [thread overview]
Message-ID: <537D2528.3090806@bbn.com> (raw)
In-Reply-To: <537BA8D1.1090503@gmail.com>
On 2014-05-20 15:11, Karsten Blees wrote:
> Add a getnanotime() function that returns nanoseconds since 01/01/1970 as
> unsigned 64-bit integer (i.e. overflows in july 2554).
Must it be relative to epoch? If it was relative to system boot (like
the NetBSD kernel's nanouptime() function), then you wouldn't have to
worry about clock adjustments messing with performance stats and you
might have more options for implementing getnanotime() on various platforms.
-Richard
next prev parent reply other threads:[~2014-05-21 22:14 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
2014-05-21 9:14 ` Karsten Blees
2014-05-21 22:14 ` Richard Hansen [this message]
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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