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

From: Avi Kivity <avi@qumranet.com>
Date: Mar 18, 2007, 06:28 UTC
Message-ID: <45FCDC0B.1090506@qumranet.com>
In-Reply-To: <118833cc0703171814n4e56ab9fwfaaea81c903ae235@mail.gmail.com>

Morten Welinder wrote:

Show 8 quoted lines

>>         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.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.