From: Dietmar Eggemann <dietmar.eggemann@arm.com>
To: "pang.xunlei@zte.com.cn" <pang.xunlei@zte.com.cn>,
Abel Vesa <abelvesa@linux.com>
Cc: Juri Lelli <Juri.Lelli@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"mingo@redhat.com" <mingo@redhat.com>,
Morten Rasmussen <Morten.Rasmussen@arm.com>,
"mturquette@linaro.org" <mturquette@linaro.org>,
Peter Boonstoppel <pboonstoppel@nvidia.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"preeti@linux.vnet.ibm.com" <preeti@linux.vnet.ibm.com>,
"rjw@rjwysocki.net" <rjw@rjwysocki.net>,
Sai Gurrappadi <sgurrappadi@nvidia.com>,
"vincent.guittot@linaro.org" <vincent.guittot@linaro.org>,
"yuyang.du@intel.com" <yuyang.du@intel.com>
Subject: Re: [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware scheduling
Date: Mon, 29 Jun 2015 11:19:35 +0100 [thread overview]
Message-ID: <55911BB7.3000804@arm.com> (raw)
In-Reply-To: <OF2A9F9D14.FDD9C66B-ON48257E73.003184BC-48257E73.0031FA3D@zte.com.cn>
On 29/06/15 10:06, pang.xunlei@zte.com.cn wrote:
> Hi Abel,
>
> Abel Vesa <abelvesa@linux.com> wrote 2015-06-29 AM 04:26:31:
>>
>> Re: [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware
> scheduling
[...]
>> I wasn't able to determine the cause from the line:
>>
>> 7de5: 49 0f a3 87 00 03 00 bt %rax,0x300(%r15)
>>
>> Finally, the question I have is: Could this happen because I'm running
>> it from qemu?
>>
>> I hope all this info helps.
>
> I've met this as well.
>
> You can try to change "return -1;" in energy_aware_wake_cpu() to "return
> target_cpu;"
> hope this may help.
Yeah, I also suppose that https://lkml.org/lkml/2015/5/14/330 cures it.
-- Dietmar
[...]
prev parent reply other threads:[~2015-06-29 10:19 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 19:38 [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware scheduling Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 01/34] arm: Frequency invariant scheduler load-tracking support Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 02/34] sched: Make load tracking frequency scale-invariant Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 03/34] arm: vexpress: Add CPU clock-frequencies to TC2 device-tree Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 04/34] sched: Convert arch_scale_cpu_capacity() from weak function to #define Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 05/34] arm: Update arch_scale_cpu_capacity() to reflect change to define Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 06/34] sched: Make usage tracking cpu scale-invariant Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 07/34] arm: Cpu invariant scheduler load-tracking support Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 08/34] sched: Get rid of scaling usage by cpu_capacity_orig Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 09/34] sched: Track blocked utilization contributions Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 10/34] sched: Include blocked utilization in usage tracking Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 11/34] sched: Remove blocked load and utilization contributions of dying tasks Morten Rasmussen
2015-05-13 0:33 ` Sai Gurrappadi
2015-05-13 13:49 ` Morten Rasmussen
2015-05-19 14:22 ` Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 12/34] sched: Initialize CFS task load and usage before placing task on rq Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 13/34] sched: Documentation for scheduler energy cost model Morten Rasmussen
2015-05-20 4:04 ` Kamalesh Babulal
2015-05-20 9:27 ` Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 14/34] sched: Make energy awareness a sched feature Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 15/34] sched: Introduce energy data structures Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 16/34] sched: Allocate and initialize " Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 17/34] sched: Introduce SD_SHARE_CAP_STATES sched_domain flag Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 18/34] arm: topology: Define TC2 energy and provide it to the scheduler Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 19/34] sched: Compute cpu capacity available at current frequency Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 20/34] sched: Relocated get_cpu_usage() and change return type Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 21/34] sched: Highest energy aware balancing sched_domain level pointer Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 22/34] sched: Calculate energy consumption of sched_group Morten Rasmussen
2015-05-21 7:57 ` Kamalesh Babulal
2015-05-22 15:38 ` Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 23/34] sched: Extend sched_group_energy to test load-balancing decisions Morten Rasmussen
2015-05-12 19:38 ` [RFCv4 PATCH 24/34] sched: Estimate energy impact of scheduling decisions Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 25/34] sched: Add over-utilization/tipping point indicator Morten Rasmussen
2015-05-22 19:48 ` [PATCH] sched: Fix compiler errors for NO_SMP machines Abel Vesa
2015-05-23 14:52 ` Ingo Molnar
2015-05-23 19:22 ` Abel Vesa
2015-06-30 9:35 ` [RFCv4 PATCH 25/34] sched: Add over-utilization/tipping point indicator pang.xunlei
2015-05-12 19:39 ` [RFCv4 PATCH 26/34] sched: Store system-wide maximum cpu capacity in root domain Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 27/34] sched, cpuidle: Track cpuidle state index in the scheduler Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 28/34] sched: Count number of shallower idle-states in struct sched_group_energy Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 29/34] sched: Determine the current sched_group idle-state Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 30/34] sched: Add cpu capacity awareness to wakeup balancing Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 31/34] sched: Energy-aware wake-up task placement Morten Rasmussen
2015-05-14 14:03 ` Dietmar Eggemann
[not found] ` <OF168B7415.9556008C-ON48257E45.003388D7-48257E45.00349D8D@zte.com.cn>
2015-05-14 15:10 ` Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 32/34] sched: Consider a not over-utilized energy-aware system as balanced Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 33/34] sched: Enable idle balance to pull single task towards cpu with higher capacity Morten Rasmussen
2015-05-12 19:39 ` [RFCv4 PATCH 34/34] sched: Disable energy-unfriendly nohz kicks Morten Rasmussen
2015-05-12 22:07 ` [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware scheduling Sai Gurrappadi
2015-05-13 13:47 ` Morten Rasmussen
2015-06-28 20:26 ` Abel Vesa
2015-06-29 9:06 ` pang.xunlei
2015-06-29 10:19 ` Dietmar Eggemann [this message]
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