From: Corey Minyard <cminyard@mvista.com>
To: John Levon <levon@movementarian.org>
Cc: dipankar@gamebox.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] NMI request/release, version 5 - I think this one's ready
Date: Thu, 24 Oct 2002 15:03:31 -0500 [thread overview]
Message-ID: <3DB85213.4020509@mvista.com> (raw)
In-Reply-To: 20021024171815.GA6920@compsoc.man.ac.uk
John Levon wrote:
>On Thu, Oct 24, 2002 at 10:36:22AM -0500, Corey Minyard wrote:
>
>
>
>>Is there any way to detect if the nmi watchdog actually caused the
>>timeout? I don't understand the hardware well enough to do it without
>>
>>
>
>You can check if the counter used overflowed :
>
>#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
>#define CTRL_READ(l,h,msrs,c) do {rdmsr(MSR_P6_PERFCTR0, (l), (h));} while (0)
>
> CTR_READ(low, high, msrs, i);
> if (CTR_OVERFLOWED(low)) {
> ... found
>
Any way to do this for the IO_APIC case?
-Corey
next prev parent reply other threads:[~2002-10-24 19:58 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-22 1:32 [PATCH] NMI request/release Corey Minyard
2002-10-22 2:10 ` John Levon
2002-10-22 2:32 ` Corey Minyard
2002-10-22 2:53 ` John Levon
2002-10-22 13:02 ` Corey Minyard
2002-10-22 15:09 ` John Levon
2002-10-22 16:03 ` Corey Minyard
2002-10-22 17:23 ` Robert Love
2002-10-22 18:08 ` Corey Minyard
2002-10-22 18:16 ` Robert Love
2002-10-22 20:04 ` Dipankar Sarma
2002-10-22 17:53 ` Dipankar Sarma
2002-10-22 18:05 ` Corey Minyard
2002-10-22 18:08 ` Dipankar Sarma
2002-10-22 18:29 ` Corey Minyard
2002-10-22 19:08 ` John Levon
2002-10-22 21:36 ` [PATCH] NMI request/release, version 3 Corey Minyard
2002-10-23 17:33 ` Dipankar Sarma
2002-10-23 18:03 ` Corey Minyard
2002-10-23 18:57 ` Dipankar Sarma
2002-10-23 20:14 ` [PATCH] NMI request/release, version 4 Corey Minyard
2002-10-23 20:50 ` Dipankar Sarma
2002-10-23 21:53 ` Corey Minyard
2002-10-24 7:41 ` Dipankar Sarma
2002-10-24 13:08 ` Corey Minyard
2002-10-24 7:50 ` Dipankar Sarma
2002-10-24 13:05 ` Corey Minyard
2002-10-24 13:28 ` [PATCH] NMI request/release, version 5 - I think this one's ready Corey Minyard
2002-10-24 14:46 ` John Levon
2002-10-24 15:36 ` Corey Minyard
2002-10-24 17:18 ` John Levon
2002-10-24 17:43 ` Corey Minyard
2002-10-24 18:04 ` John Levon
2002-10-24 18:32 ` Corey Minyard
2002-10-24 18:47 ` John Levon
2002-10-24 20:03 ` Corey Minyard [this message]
2002-10-24 20:29 ` John Levon
2002-10-25 1:22 ` [PATCH] NMI request/release, version 6 - "Well I thought the last one was ready" Corey Minyard
2002-10-25 1:39 ` John Levon
2002-10-25 1:58 ` Jeff Garzik
2002-10-25 2:01 ` [PATCH] NMI request/release, version 7 - minor cleanups Corey Minyard
2002-10-25 13:26 ` [PATCH] NMI request/release, version 8 Corey Minyard
2002-10-22 12:23 ` [PATCH] NMI request/release Suparna Bhattacharya
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