Subject: Re: [PATCH 2/2] Implement a simple delta_base cache

From: Avi Kivity <[email-masked]>
Date: Sun, 18 Mar 2007 08:28:27 +0200

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.