From: Borislav Petkov <bp@alien8.de>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"hpa@zytor.com" <hpa@zytor.com>,
"bberg@redhat.com" <bberg@redhat.com>,
"x86@kernel.org" <x86@kernel.org>,
"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"hdegoede@redhat.com" <hdegoede@redhat.com>,
"ckellner@redhat.com" <ckellner@redhat.com>
Subject: Re: [PATCH 1/2] x86, mce, therm_throt: Optimize logging of thermal throttle messages
Date: Fri, 18 Oct 2019 08:46:42 +0200 [thread overview]
Message-ID: <20191018064642.GA17053@zn.tnic> (raw)
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F7F4A6045@ORSMSX115.amr.corp.intel.com>
On Thu, Oct 17, 2019 at 11:53:18PM +0000, Luck, Tony wrote:
> > * we throttle the machine from within the kernel - whatever that may mean
> > * if that doesn't help, we stop scheduling !root tasks
> > * if that doesn't help, we halt
>
> The silicon will do that "halt" step all by itself if the temperature
> continues to rise and hits the highest of the temperature thresholds.
Oh, I know that. But that is not of our concern - I believe we're
discussing right now what to do when the lower, softer limits are
reached and the thermal interrupt fires.
When the hw forces HLT, it means we didn't do a very good job earlier,
before it got so hot.
:-)
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2019-10-18 6:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2c2b65c23be3064504566c5f621c1f37bf7e7326.camel@redhat.com>
2019-10-14 21:21 ` [PATCH 1/2] x86, mce, therm_throt: Optimize logging of thermal throttle messages Srinivas Pandruvada
2019-10-14 21:21 ` [PATCH 2/2] x86, mce: Add additional kernel boot parameter Srinivas Pandruvada
2019-10-14 21:36 ` [PATCH 1/2] x86, mce, therm_throt: Optimize logging of thermal throttle messages Borislav Petkov
2019-10-14 22:27 ` Luck, Tony
2019-10-15 8:36 ` Borislav Petkov
2019-10-15 8:52 ` Peter Zijlstra
2019-10-15 13:43 ` Srinivas Pandruvada
2019-10-14 22:41 ` Srinivas Pandruvada
2019-10-15 8:46 ` Borislav Petkov
2019-10-15 14:01 ` Srinivas Pandruvada
2019-10-15 8:48 ` Peter Zijlstra
2019-10-15 13:31 ` Srinivas Pandruvada
2019-10-16 8:14 ` Peter Zijlstra
2019-10-16 14:00 ` Borislav Petkov
2019-10-17 21:31 ` Luck, Tony
2019-10-17 21:44 ` Borislav Petkov
2019-10-17 23:53 ` Luck, Tony
2019-10-18 6:46 ` Borislav Petkov [this message]
2019-10-18 7:17 ` Peter Zijlstra
2019-10-18 12:26 ` Srinivas Pandruvada
2019-10-18 13:23 ` Borislav Petkov
2019-10-18 15:55 ` Srinivas Pandruvada
2019-10-18 19:40 ` Borislav Petkov
2019-10-18 18:02 ` Luck, Tony
2019-10-18 19:45 ` Borislav Petkov
2019-10-18 20:38 ` Luck, Tony
2019-10-19 8:10 ` Borislav Petkov
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