From: Phillip Susi <psusi@cfl.rr.com>
To: John Marconi <john.marconi@utstar.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Problem: CPU sleep when calling a function in another object for the first time.
Date: Fri, 19 Oct 2007 15:58:36 -0400 [thread overview]
Message-ID: <47190C6C.9020709@cfl.rr.com> (raw)
In-Reply-To: <E9FB75D95739914DBDEDC1867C740F4FD4E64C@ITLHZEXCH01.us.utstar.com>
John Marconi wrote:
> I have added a kernel profiler to the timer interrupt of this CPU - and
> find that during this 40ms period, the CPU is in r4k_wait - which looks
> like cpu_idle is running. It almost seems like file Y is being loaded
> into memory to be used.
That is exactly what is happening. Pages in the code segment are only
loaded on demand.
next prev parent reply other threads:[~2007-10-19 19:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 21:11 Problem: CPU sleep when calling a function in another object for the first time John Marconi
2007-10-19 19:58 ` Phillip Susi [this message]
[not found] <fa.tipEk8FmQyQBLuKMUWoW6rAg1Yc@ifi.uio.no>
2007-10-18 0:27 ` Robert Hancock
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