From: Andi Kleen <ak@suse.de>
To: Stephane Eranian <eranian@hpl.hp.com>
Cc: discuss@x86-64.org, linux-kernel@vger.kernel.org,
perfctr-devel@lists.sourceforge.net
Subject: Re: [discuss] Re: [Perfctr-devel] Re: Enabling RDPMC in user space by default
Date: Fri, 2 Dec 2005 12:36:42 +0100 [thread overview]
Message-ID: <20051202113642.GK997@wotan.suse.de> (raw)
In-Reply-To: <20051202070931.GA3819@frankl.hpl.hp.com>
On Thu, Dec 01, 2005 at 11:09:31PM -0800, Stephane Eranian wrote:
> But the interrupt is programmed for all counters. So by forcing the PMU
> interrupt to use the NMI vector then any perfmon interface would have to use
That is how it works yes. oprofile also uses NMIs.
> this interrupt as well. That will break the whole thing because in many
> places we rely on PMU interrupt being off.
If you rely on that then your subsystem is not usable on x86/x86-64.
-Andi
next prev parent reply other threads:[~2005-12-02 11:36 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-29 15:15 Enabling RDPMC in user space by default Andi Kleen
2005-11-29 16:04 ` Mikael Pettersson
2005-11-29 16:17 ` Andi Kleen
2005-11-29 16:56 ` Ray Bryant
2005-11-29 16:15 ` Andi Kleen
2005-11-29 18:09 ` [Perfctr-devel] " Stephane Eranian
2005-11-29 18:13 ` Andi Kleen
2005-11-29 18:29 ` John Reiser
2005-11-29 18:38 ` Andi Kleen
2005-11-29 19:05 ` Lee Revell
2005-11-29 21:43 ` Nicholas Miell
2005-11-29 21:52 ` Andi Kleen
2005-11-29 22:19 ` Stephane Eranian
2005-11-29 22:51 ` [discuss] " Andi Kleen
2005-11-30 16:01 ` Stephane Eranian
2005-11-30 16:23 ` Andi Kleen
2005-12-01 23:41 ` Stephane Eranian
2005-12-02 0:07 ` Andi Kleen
2005-12-02 7:09 ` Stephane Eranian
2005-12-02 11:36 ` Andi Kleen [this message]
2005-11-29 22:33 ` Nicholas Miell
2005-11-29 22:43 ` Andi Kleen
2005-11-29 23:02 ` Nicholas Miell
2005-11-29 23:17 ` Andi Kleen
2005-11-29 23:29 ` Nicholas Miell
2005-11-29 23:39 ` Andi Kleen
2005-11-29 23:56 ` David Gibson
2005-11-30 0:34 ` Andi Kleen
2005-11-30 0:52 ` David Gibson
2005-11-30 1:04 ` [discuss] " Andi Kleen
2005-11-30 0:50 ` Ray Bryant
2005-11-30 0:38 ` Andi Kleen
2005-11-30 7:38 ` Stephane Eranian
2005-11-30 8:22 ` Nicholas Miell
2005-11-30 15:48 ` Stephane Eranian
2005-11-29 23:07 ` David Gibson
2005-11-29 23:18 ` [discuss] " Andi Kleen
2005-11-29 23:28 ` Bernd Schmidt
2005-11-29 23:46 ` [discuss] " Andi Kleen
2005-11-30 2:39 ` Zwane Mwaikambo
2005-11-30 3:38 ` Andi Kleen
2005-12-01 4:08 ` Zwane Mwaikambo
2005-12-01 13:05 ` Andi Kleen
2005-12-01 17:01 ` Zwane Mwaikambo
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=20051202113642.GK997@wotan.suse.de \
--to=ak@suse.de \
--cc=discuss@x86-64.org \
--cc=eranian@hpl.hp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=perfctr-devel@lists.sourceforge.net \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.