From: Vincent Guittot <vincent.guittot@linaro.org> To: peterz@infradead.org, mingo@kernel.org, linux-kernel@vger.kernel.org, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org Cc: preeti@linux.vnet.ibm.com, Morten.Rasmussen@arm.com, efault@gmx.de, nicolas.pitre@linaro.org, linaro-kernel@lists.linaro.org, daniel.lezcano@linaro.org, Vincent Guittot <vincent.guittot@linaro.org> Subject: [PATCH v2 06/11] sched: add per rq cpu_power_orig Date: Fri, 23 May 2014 17:53:00 +0200 [thread overview] Message-ID: <1400860385-14555-7-git-send-email-vincent.guittot@linaro.org> (raw) In-Reply-To: <1400860385-14555-1-git-send-email-vincent.guittot@linaro.org> This new field cpu_power_orig reflects the available capacity of a CPUs unlike the cpu_power which reflects the current capacity that can be altered by frequency and rt tasks. Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> --- kernel/sched/core.c | 2 +- kernel/sched/fair.c | 1 + kernel/sched/sched.h | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 240aa83..686c56f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6946,7 +6946,7 @@ void __init sched_init(void) #ifdef CONFIG_SMP rq->sd = NULL; rq->rd = NULL; - rq->cpu_power = SCHED_POWER_SCALE; + rq->cpu_power = rq->cpu_power_orig = SCHED_POWER_SCALE; rq->post_schedule = 0; rq->active_balance = 0; rq->next_balance = jiffies; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 6dc05f7..b3dc2b3 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5675,6 +5675,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu) power >>= SCHED_POWER_SHIFT; + cpu_rq(cpu)->cpu_power_orig = power; sdg->sgp->power_orig = power; if (sched_feat(ARCH_POWER)) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 600e229..4c74014 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -568,6 +568,7 @@ struct rq { struct sched_domain *sd; unsigned long cpu_power; + unsigned long cpu_power_orig; unsigned char idle_balance; /* For active balancing */ -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: vincent.guittot@linaro.org (Vincent Guittot) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 06/11] sched: add per rq cpu_power_orig Date: Fri, 23 May 2014 17:53:00 +0200 [thread overview] Message-ID: <1400860385-14555-7-git-send-email-vincent.guittot@linaro.org> (raw) In-Reply-To: <1400860385-14555-1-git-send-email-vincent.guittot@linaro.org> This new field cpu_power_orig reflects the available capacity of a CPUs unlike the cpu_power which reflects the current capacity that can be altered by frequency and rt tasks. Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> --- kernel/sched/core.c | 2 +- kernel/sched/fair.c | 1 + kernel/sched/sched.h | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 240aa83..686c56f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6946,7 +6946,7 @@ void __init sched_init(void) #ifdef CONFIG_SMP rq->sd = NULL; rq->rd = NULL; - rq->cpu_power = SCHED_POWER_SCALE; + rq->cpu_power = rq->cpu_power_orig = SCHED_POWER_SCALE; rq->post_schedule = 0; rq->active_balance = 0; rq->next_balance = jiffies; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 6dc05f7..b3dc2b3 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5675,6 +5675,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu) power >>= SCHED_POWER_SHIFT; + cpu_rq(cpu)->cpu_power_orig = power; sdg->sgp->power_orig = power; if (sched_feat(ARCH_POWER)) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 600e229..4c74014 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -568,6 +568,7 @@ struct rq { struct sched_domain *sd; unsigned long cpu_power; + unsigned long cpu_power_orig; unsigned char idle_balance; /* For active balancing */ -- 1.9.1
next prev parent reply other threads:[~2014-05-23 15:56 UTC|newest] Thread overview: 216+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-05-23 15:52 [PATCH v2 00/11] sched: consolidation of cpu_power Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-23 15:52 ` [PATCH v2 01/11] sched: fix imbalance flag reset Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-25 10:33 ` Preeti U Murthy 2014-05-25 10:33 ` Preeti U Murthy 2014-05-26 7:49 ` Vincent Guittot 2014-05-26 7:49 ` Vincent Guittot 2014-05-26 9:16 ` Preeti U Murthy 2014-05-26 9:16 ` Preeti U Murthy 2014-05-26 10:14 ` Vincent Guittot 2014-05-26 10:14 ` Vincent Guittot 2014-05-23 15:52 ` [PATCH v2 02/11] sched: remove a wake_affine condition Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-27 12:48 ` Peter Zijlstra 2014-05-27 12:48 ` Peter Zijlstra 2014-05-27 15:19 ` Vincent Guittot 2014-05-27 15:19 ` Vincent Guittot 2014-05-27 15:39 ` Peter Zijlstra 2014-05-27 15:39 ` Peter Zijlstra 2014-05-27 16:14 ` Vincent Guittot 2014-05-27 16:14 ` Vincent Guittot 2014-05-28 6:49 ` Vincent Guittot 2014-05-28 6:49 ` Vincent Guittot 2014-05-28 15:09 ` Dietmar Eggemann 2014-05-28 15:09 ` Dietmar Eggemann 2014-05-28 15:25 ` Vincent Guittot 2014-05-28 15:25 ` Vincent Guittot 2014-05-27 13:43 ` Peter Zijlstra 2014-05-27 13:43 ` Peter Zijlstra 2014-05-27 13:45 ` Peter Zijlstra 2014-05-27 13:45 ` Peter Zijlstra 2014-05-27 15:20 ` Vincent Guittot 2014-05-27 15:20 ` Vincent Guittot 2014-05-23 15:52 ` [PATCH v2 03/11] sched: fix avg_load computation Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-27 13:48 ` Peter Zijlstra 2014-05-27 13:48 ` Peter Zijlstra 2014-05-23 15:52 ` [PATCH v2 04/11] sched: Allow all archs to set the power_orig Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-30 14:04 ` Dietmar Eggemann 2014-05-30 14:04 ` Dietmar Eggemann 2014-05-30 14:46 ` Peter Zijlstra 2014-05-30 14:46 ` Peter Zijlstra 2014-05-30 20:50 ` Vincent Guittot 2014-05-30 20:50 ` Vincent Guittot 2014-06-04 9:42 ` Dietmar Eggemann 2014-06-04 9:42 ` Dietmar Eggemann 2014-06-04 11:15 ` Vincent Guittot 2014-06-04 11:15 ` Vincent Guittot 2014-06-05 8:59 ` Dietmar Eggemann 2014-06-05 8:59 ` Dietmar Eggemann 2014-06-16 9:01 ` Vincent Guittot 2014-06-16 9:01 ` Vincent Guittot 2014-06-03 13:22 ` Morten Rasmussen 2014-06-03 13:22 ` Morten Rasmussen 2014-06-03 14:02 ` Vincent Guittot 2014-06-03 14:02 ` Vincent Guittot 2014-06-04 11:17 ` Morten Rasmussen 2014-06-04 11:17 ` Morten Rasmussen 2014-06-06 7:01 ` Vincent Guittot 2014-06-06 7:01 ` Vincent Guittot 2014-05-23 15:52 ` [PATCH v2 05/11] ARM: topology: use new cpu_power interface Vincent Guittot 2014-05-23 15:52 ` Vincent Guittot 2014-05-25 13:22 ` Preeti U Murthy 2014-05-25 13:22 ` Preeti U Murthy 2014-05-26 8:25 ` Vincent Guittot 2014-05-26 8:25 ` Vincent Guittot 2014-05-26 9:19 ` Preeti U Murthy 2014-05-26 9:19 ` Preeti U Murthy 2014-05-23 15:53 ` Vincent Guittot [this message] 2014-05-23 15:53 ` [PATCH v2 06/11] sched: add per rq cpu_power_orig Vincent Guittot 2014-05-23 15:53 ` [PATCH v2 07/11] Revert "sched: Put rq's sched_avg under CONFIG_FAIR_GROUP_SCHED" Vincent Guittot 2014-05-23 15:53 ` Vincent Guittot 2014-05-23 15:53 ` [PATCH v2 08/11] sched: get CPU's activity statistic Vincent Guittot 2014-05-23 15:53 ` Vincent Guittot 2014-05-27 17:32 ` Peter Zijlstra 2014-05-27 17:32 ` Peter Zijlstra 2014-05-28 7:01 ` Vincent Guittot 2014-05-28 7:01 ` Vincent Guittot 2014-05-28 12:10 ` Morten Rasmussen 2014-05-28 12:10 ` Morten Rasmussen 2014-05-28 13:15 ` Vincent Guittot 2014-05-28 13:15 ` Vincent Guittot 2014-05-28 15:47 ` Morten Rasmussen 2014-05-28 15:47 ` Morten Rasmussen 2014-05-28 16:39 ` Vincent Guittot 2014-05-28 16:39 ` Vincent Guittot 2014-06-03 12:03 ` Morten Rasmussen 2014-06-03 12:03 ` Morten Rasmussen 2014-06-03 15:59 ` Peter Zijlstra 2014-06-03 15:59 ` Peter Zijlstra 2014-06-03 17:41 ` Morten Rasmussen 2014-06-03 17:41 ` Morten Rasmussen 2014-06-03 15:50 ` Peter Zijlstra 2014-06-03 15:50 ` Peter Zijlstra 2014-06-03 17:20 ` Morten Rasmussen 2014-06-03 17:20 ` Morten Rasmussen 2014-06-04 7:47 ` Vincent Guittot 2014-06-04 7:47 ` Vincent Guittot 2014-06-04 8:08 ` Peter Zijlstra 2014-06-04 8:08 ` Peter Zijlstra 2014-06-04 8:55 ` Morten Rasmussen 2014-06-04 8:55 ` Morten Rasmussen 2014-06-04 9:23 ` Peter Zijlstra 2014-06-04 9:23 ` Peter Zijlstra 2014-06-04 9:35 ` Vincent Guittot 2014-06-04 9:35 ` Vincent Guittot 2014-06-04 10:25 ` Morten Rasmussen 2014-06-04 10:25 ` Morten Rasmussen 2014-06-04 9:44 ` Morten Rasmussen 2014-06-04 9:44 ` Morten Rasmussen 2014-06-04 9:32 ` Vincent Guittot 2014-06-04 9:32 ` Vincent Guittot 2014-06-04 10:00 ` Morten Rasmussen 2014-06-04 10:00 ` Morten Rasmussen 2014-06-04 10:17 ` Peter Zijlstra 2014-06-04 10:17 ` Peter Zijlstra 2014-06-04 10:36 ` Morten Rasmussen 2014-06-04 10:36 ` Morten Rasmussen 2014-06-04 10:55 ` Peter Zijlstra 2014-06-04 10:55 ` Peter Zijlstra 2014-06-04 11:07 ` Vincent Guittot 2014-06-04 11:07 ` Vincent Guittot 2014-06-04 11:23 ` Morten Rasmussen 2014-06-04 11:23 ` Morten Rasmussen 2014-06-04 11:52 ` Vincent Guittot 2014-06-04 11:52 ` Vincent Guittot 2014-06-04 13:09 ` Morten Rasmussen 2014-06-04 13:09 ` Morten Rasmussen 2014-06-04 13:23 ` Morten Rasmussen 2014-06-04 13:23 ` Morten Rasmussen 2014-05-28 15:17 ` Peter Zijlstra 2014-05-28 15:17 ` Peter Zijlstra 2014-06-03 15:40 ` Peter Zijlstra 2014-06-03 15:40 ` Peter Zijlstra 2014-06-03 17:16 ` Morten Rasmussen 2014-06-03 17:16 ` Morten Rasmussen 2014-06-03 17:37 ` Peter Zijlstra 2014-06-03 17:37 ` Peter Zijlstra 2014-06-03 17:39 ` Peter Zijlstra 2014-06-03 17:39 ` Peter Zijlstra 2014-06-03 23:11 ` Yuyang Du 2014-06-03 23:11 ` Yuyang Du 2014-05-30 9:50 ` Dietmar Eggemann 2014-05-30 9:50 ` Dietmar Eggemann 2014-05-30 19:20 ` Vincent Guittot 2014-05-30 19:20 ` Vincent Guittot 2014-06-01 11:33 ` Dietmar Eggemann 2014-06-01 11:33 ` Dietmar Eggemann 2014-06-02 14:07 ` Vincent Guittot 2014-06-02 14:07 ` Vincent Guittot 2014-05-23 15:53 ` [PATCH v2 09/11] sched: test the cpu's capacity in wake affine Vincent Guittot 2014-05-23 15:53 ` Vincent Guittot 2014-05-28 10:58 ` Peter Zijlstra 2014-05-28 10:58 ` Peter Zijlstra 2014-05-28 11:15 ` Vincent Guittot 2014-05-28 11:15 ` Vincent Guittot 2014-11-24 0:34 ` Wanpeng Li 2014-11-24 0:34 ` Wanpeng Li 2014-11-24 13:23 ` Vincent Guittot 2014-11-24 13:23 ` Vincent Guittot 2014-05-23 15:53 ` [PATCH v2 10/11] sched: move cfs task on a CPU with higher capacity Vincent Guittot 2014-05-23 15:53 ` Vincent Guittot 2014-05-29 9:50 ` Peter Zijlstra 2014-05-29 9:50 ` Peter Zijlstra 2014-05-29 19:37 ` Vincent Guittot 2014-05-29 19:37 ` Vincent Guittot 2014-05-30 6:29 ` Peter Zijlstra 2014-05-30 6:29 ` Peter Zijlstra 2014-05-30 20:05 ` Vincent Guittot 2014-05-30 20:05 ` Vincent Guittot 2014-06-02 17:06 ` Vincent Guittot 2014-06-02 17:06 ` Vincent Guittot 2014-06-03 11:15 ` Peter Zijlstra 2014-06-03 11:15 ` Peter Zijlstra 2014-06-03 12:31 ` Vincent Guittot 2014-06-03 12:31 ` Vincent Guittot 2014-05-29 14:04 ` Peter Zijlstra 2014-05-29 14:04 ` Peter Zijlstra 2014-05-29 19:44 ` Vincent Guittot 2014-05-29 19:44 ` Vincent Guittot 2014-05-30 13:26 ` Dietmar Eggemann 2014-05-30 13:26 ` Dietmar Eggemann 2014-05-30 19:24 ` Vincent Guittot 2014-05-30 19:24 ` Vincent Guittot 2014-05-30 19:45 ` Nicolas Pitre 2014-05-30 19:45 ` Nicolas Pitre 2014-05-30 20:07 ` Vincent Guittot 2014-05-30 20:07 ` Vincent Guittot 2014-05-23 15:53 ` [PATCH v2 11/11] sched: replace capacity by activity Vincent Guittot 2014-05-23 15:53 ` Vincent Guittot 2014-05-29 13:55 ` Peter Zijlstra 2014-05-29 13:55 ` Peter Zijlstra 2014-05-29 19:51 ` Vincent Guittot 2014-05-29 19:51 ` Vincent Guittot 2014-06-02 6:21 ` Preeti U Murthy 2014-06-02 6:21 ` Preeti U Murthy 2014-06-03 9:50 ` Vincent Guittot 2014-06-03 9:50 ` Vincent Guittot 2014-05-29 14:02 ` Peter Zijlstra 2014-05-29 14:02 ` Peter Zijlstra 2014-05-29 19:56 ` Vincent Guittot 2014-05-29 19:56 ` Vincent Guittot 2014-05-30 6:34 ` Peter Zijlstra 2014-05-30 6:34 ` Peter Zijlstra 2014-05-30 19:13 ` Vincent Guittot 2014-05-30 19:13 ` Vincent Guittot 2014-05-26 9:44 ` [PATCH v2 00/11] sched: consolidation of cpu_power Preeti U Murthy 2014-05-26 9:44 ` Preeti U Murthy 2014-05-26 10:04 ` Vincent Guittot 2014-05-26 10:04 ` Vincent Guittot 2014-05-26 15:54 ` Vincent Guittot 2014-05-26 15:54 ` Vincent Guittot 2014-05-27 5:47 ` Preeti U Murthy 2014-05-27 5:47 ` Preeti U Murthy
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=1400860385-14555-7-git-send-email-vincent.guittot@linaro.org \ --to=vincent.guittot@linaro.org \ --cc=Morten.Rasmussen@arm.com \ --cc=daniel.lezcano@linaro.org \ --cc=efault@gmx.de \ --cc=linaro-kernel@lists.linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux@arm.linux.org.uk \ --cc=mingo@kernel.org \ --cc=nicolas.pitre@linaro.org \ --cc=peterz@infradead.org \ --cc=preeti@linux.vnet.ibm.com \ /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: linkBe 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.