From: Thomas Gleixner <tglx@linutronix.de>
To: "Pandruvada, Srinivas" <srinivas.pandruvada@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"Zhang, Rui" <rui.zhang@intel.com>,
"rt@linutronix.de" <rt@linutronix.de>,
"edubezval@gmail.com" <edubezval@gmail.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>, "bp@alien8.de" <bp@alien8.de>
Subject: Re: [patch 00/12] thermal/x86_pkg_temp: Sanitize yet another hotplug and locking trainwreck
Date: Tue, 22 Nov 2016 10:05:50 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.20.1611221001120.3521@nanos> (raw)
In-Reply-To: <1479770177.6544.195.camel@intel.com>
On Mon, 21 Nov 2016, Pandruvada, Srinivas wrote:
> Your change below fixes the crash issue. Now I tested a case where the
> last cpu offlined from a package, it removed thermal zone and added
> zone back once any cpu from the package onlined. So this is working.
>
> I want to try to run some workload on those cpu to bump up the
> temperature and check interrupts. I am hitting some issue unrelated to
> this change may be. I onlined three cpus from the package 1.
>
> [189443.567728] smpboot: Booting Node 1 Processor 15 APIC 0x2e
> [189656.625947] smpboot: Booting Node 1 Processor 8 APIC 0x20
> [189829.545851] smpboot: Booting Node 1 Processor 24 APIC 0x21
>
> But I can't schedule anything on those CPUs. For example now can't run
> turbostat, it complains
> "
> turbostat: re-initialized with num_cpus 19
> Could not migrate to CPU 8
> "
>
> Same with
>
> #taskset 0x100 stress -c 1
> taskset: failed to set pid 0's affinity: Invalid argument
>
> I am on the latest linux-pm/linux-next tree on this server. I will
> switch to latest main line and try.
That must be something unrelated. I can use turbostat and taskset after
doing the above.
Thanks,
tglx
prev parent reply other threads:[~2016-11-22 9:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-18 0:03 [patch 00/12] thermal/x86_pkg_temp: Sanitize yet another hotplug and locking trainwreck Thomas Gleixner
2016-11-18 0:03 ` [patch 01/12] thermal/x86_pkg_temp: Cleanup thermal interrupt handling Thomas Gleixner
2016-11-18 0:03 ` [patch 02/12] thermal/x86_pkg_temp: Remove redundant package search Thomas Gleixner
2016-11-18 0:03 ` [patch 03/12] thermal/x86_pkg_temp: Replace open coded cpu search Thomas Gleixner
2016-11-18 0:03 ` [patch 04/12] thermal/x86_pkg_temp: Sanitize callback (de)initialization Thomas Gleixner
2016-11-18 0:03 ` [patch 05/12] thermal/x86_pkg_temp: Get rid of ref counting Thomas Gleixner
2016-11-18 0:03 ` [patch 06/12] thermal/x86_pkg_temp: Cleanup namespace Thomas Gleixner
2016-11-18 0:03 ` [patch 07/12] thermal/x86_pkg_temp: Cleanup code some more Thomas Gleixner
2016-11-18 0:03 ` [patch 08/12] thermal/x86_pkg_temp: Sanitize locking Thomas Gleixner
2016-11-18 0:03 ` [patch 09/12] thermal/x86_pkg_temp: Move work scheduled flag into package struct Thomas Gleixner
2016-11-18 0:03 ` [patch 10/12] thermal/x86_pkg_temp: Move work " Thomas Gleixner
2016-11-18 0:03 ` [patch 11/12] thermal/x86_pkg_temp: Sanitize package management Thomas Gleixner
2016-11-18 0:03 ` [patch 12/12] thermal/x86 pkg temp: Convert to hotplug state machine Thomas Gleixner
2016-11-21 20:02 ` [patch 00/12] thermal/x86_pkg_temp: Sanitize yet another hotplug and locking trainwreck Pandruvada, Srinivas
2016-11-21 21:34 ` Thomas Gleixner
2016-11-21 23:16 ` Pandruvada, Srinivas
2016-11-22 9:05 ` Thomas Gleixner [this message]
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