From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] A trace of poolalloc in-kernel
Date: Sat, 21 Nov 2009 14:13:27 -0500 [thread overview]
Message-ID: <670f511bbb8adbd1a0dc5dbbc6b80676@ladd.quanstro.net> (raw)
In-Reply-To: <<20091121190132.GA14743@unknown>>
> I've gotten and graphed a quick trace of all requests in-kernel to poolalloc
> during a session with my terminal, where I booted up, created a few
> windows, built a kernel, and shutdown.
>
> http://grex.org/~vsrinivas/p9malloc-traces/
> (There's even some eye-candy!)
>
> Quick summary: 50% of all requests to poolalloc in kernel during this session
> were under 50 bytes. Sadness.
>
> Hopefully this is of some interest.
good work! i believe you can use devtrace(3) to
accomplish the same thing as you did with gdb.
- erik
next parent reply other threads:[~2009-11-21 19:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <<20091121190132.GA14743@unknown>
2009-11-21 19:13 ` erik quanstrom [this message]
2009-11-21 19:01 Venkatesh Srinivas
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