From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: Volanomark regress on ia64
Date: Mon, 19 Sep 2005 06:44:33 +0000 [thread overview]
Message-ID: <200509190644.j8J6iZg01092@unix-os.sc.intel.com> (raw)
In-Reply-To: <200509160040.j8G0eFg06734@unix-os.sc.intel.com>
Nick Piggin wrote on Sunday, September 18, 2005 3:57 AM
> It looks like the problem is confined to ia64? Are the x86-64 machines
> also running with HZ set to 250?
Yes, it appears to be confined to ia64. X86-64 machines are running at
250 Hz and there is no perf. regression there.
> I would look at differences between SD_CPU_INIT for ia64 versus the
> generic definition. cache_hot_time and cache_nice_tries by the looks,
> both those could cause increased idle time.
Thanks for the suggestion. My first experiment was in those area as
well, in particular changing newidle_idx and idle_idx. I have not yet
come up any concrete resolution.
- Ken
prev parent reply other threads:[~2005-09-19 6:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-16 0:40 Volanomark regress on ia64 Chen, Kenneth W
2005-09-18 10:56 ` Nick Piggin
2005-09-18 21:43 ` John Hawkes
2005-09-19 6:44 ` Chen, Kenneth W [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200509190644.j8J6iZg01092@unix-os.sc.intel.com \
--to=kenneth.w.chen@intel.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox