From: Avi Kivity <avi@qumranet.com>
Date: Sun, 18 Mar 2007 06:28:27 GMT
Subject: Re: [PATCH 2/2] Implement a simple delta_base cache
Message-ID: <45FCDC0B.1090506@qumranet.com>
In-Reply-To: <118833cc0703171814n4e56ab9fwfaaea81c903ae235@mail.gmail.com>

Morten Welinder wrote:
>>         samples  %        app name                 symbol name
>>         41527    15.6550  git                      strlen
>
> Almost 16% in strlen?  Ugh!
>
> That's a lot of strings, or perhaps very long strings.  Or a profiling 
> bug.
>

Or maybe strlen() is the first function to touch the page/cacheline.


-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.