From: Richard Miller <9fans@hamnavoe.com>
To: 9fans@9fans.net
Subject: Re: [9fans] interesting timing tests
Date: Sun, 20 Jun 2010 08:44:08 +0100 [thread overview]
Message-ID: <6fab54d97a1b61a333f755f0595b6968@hamnavoe.com> (raw)
In-Reply-To: <339274c87be111df807b4bde17033814@kw.quanstro.net>
> in any event, i was suspecting that ilock
> would be a big loser as nproc goes up, and it does appear to
> be.
Spin locks would have been high on my list of suspects.
> i'm less sure that runproc is really using 62% of the cpu
Not impossible, given this:
Proc*
runproc(void)
{
...
/* waste time or halt the CPU */
idlehands();
...
and this:
void
idlehands(void)
{
if(conf.nmach == 1)
halt();
}
next prev parent reply other threads:[~2010-06-20 7:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-18 23:26 erik quanstrom
2010-06-19 13:42 ` Richard Miller
2010-06-20 1:36 ` erik quanstrom
2010-06-20 7:44 ` Richard Miller [this message]
2010-06-20 12:45 ` erik quanstrom
2010-06-20 16:51 ` Richard Miller
2010-06-20 21:55 ` erik quanstrom
2010-06-21 1:41 ` erik quanstrom
2010-06-21 3:46 ` Venkatesh Srinivas
2010-06-21 14:40 ` erik quanstrom
2010-06-21 16:42 ` Venkatesh Srinivas
2010-06-21 16:43 ` erik quanstrom
2010-06-21 21:11 ` Bakul Shah
2010-06-21 21:21 ` erik quanstrom
2010-06-21 21:47 ` Bakul Shah
2010-06-21 22:16 ` erik quanstrom
2010-06-22 3:24 ` Lawrence E. Bakst
2010-06-23 1:09 ` erik quanstrom
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