From: "tip-bot2 for Frederic Weisbecker" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>,
Frederic Weisbecker <frederic@kernel.org>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Pavel Machek <pavel@ucw.cz>, Dan Murphy <dmurphy@ti.com>,
Peter Zijlstra <peterz@infradead.org>,
Wanpeng Li <wanpengli@tencent.com>,
Ingo Molnar <mingo@kernel.org>, x86 <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [tip: sched/core] leds: Use all-in-one vtime aware kcpustat accessor
Date: Thu, 21 Nov 2019 16:48:07 -0000 [thread overview]
Message-ID: <157435488761.21853.4853862724156729541.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20191121024430.19938-6-frederic@kernel.org>
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 8688f2fb671b2ed59b1b16083136b6edc3750435
Gitweb: https://git.kernel.org/tip/8688f2fb671b2ed59b1b16083136b6edc3750435
Author: Frederic Weisbecker <frederic@kernel.org>
AuthorDate: Thu, 21 Nov 2019 03:44:29 +01:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Thu, 21 Nov 2019 07:58:48 +01:00
leds: Use all-in-one vtime aware kcpustat accessor
We can now safely read user kcpustat fields on nohz_full CPUs.
Use the appropriate accessor.
[ mingo: Fixed build failure. ]
Reported-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com> (maintainer:LED SUBSYSTEM)
Cc: Pavel Machek <pavel@ucw.cz> (maintainer:LED SUBSYSTEM)
Cc: Dan Murphy <dmurphy@ti.com> (reviewer:LED SUBSYSTEM)
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wanpeng Li <wanpengli@tencent.com>
Link: https://lkml.kernel.org/r/20191121024430.19938-6-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
drivers/leds/trigger/ledtrig-activity.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c
index ddfc5ed..14ba7fa 100644
--- a/drivers/leds/trigger/ledtrig-activity.c
+++ b/drivers/leds/trigger/ledtrig-activity.c
@@ -57,11 +57,15 @@ static void led_activity_function(struct timer_list *t)
curr_used = 0;
for_each_possible_cpu(i) {
- curr_used += kcpustat_cpu(i).cpustat[CPUTIME_USER]
- + kcpustat_cpu(i).cpustat[CPUTIME_NICE]
- + kcpustat_field(&kcpustat_cpu(i), CPUTIME_SYSTEM, i)
- + kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]
- + kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
+ struct kernel_cpustat kcpustat;
+
+ kcpustat_cpu_fetch(&kcpustat, i);
+
+ curr_used += kcpustat.cpustat[CPUTIME_USER]
+ + kcpustat.cpustat[CPUTIME_NICE]
+ + kcpustat.cpustat[CPUTIME_SYSTEM]
+ + kcpustat.cpustat[CPUTIME_SOFTIRQ]
+ + kcpustat.cpustat[CPUTIME_IRQ];
cpus++;
}
next prev parent reply other threads:[~2019-11-21 16:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-21 2:44 [PATCH 0/6] sched/nohz: Make the rest of kcpustat vtime aware v3 Frederic Weisbecker
2019-11-21 2:44 ` [PATCH 1/6] sched/cputime: Support other fields on kcpustat_field() Frederic Weisbecker
2019-11-21 16:48 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2019-11-21 2:44 ` [PATCH 2/6] sched/vtime: Bring up complete kcpustat accessor Frederic Weisbecker
2019-11-21 16:48 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2019-12-28 20:56 ` [PATCH 2/6] " Chris Wilson
2019-12-30 1:08 ` Frederic Weisbecker
2019-12-30 9:04 ` [PATCH] sched/vtime: Prevent unstable evaluation of WARN(vtime->state) Chris Wilson
2019-12-30 17:39 ` Frederic Weisbecker
2019-11-21 2:44 ` [PATCH 3/6] procfs: Use all-in-one vtime aware kcpustat accessor Frederic Weisbecker
2019-11-21 16:48 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2019-12-08 15:57 ` [PATCH 3/6] " Paul Orlyk
2019-12-09 15:50 ` Frederic Weisbecker
2019-11-21 2:44 ` [PATCH 4/6] cpufreq: Use vtime aware kcpustat accessors for user time Frederic Weisbecker
2019-11-21 16:48 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2019-11-21 2:44 ` [PATCH 5/6] leds: Use all-in-one vtime aware kcpustat accessor Frederic Weisbecker
2019-11-21 6:58 ` Ingo Molnar
2019-11-21 14:14 ` Frederic Weisbecker
2019-11-21 16:49 ` Ingo Molnar
2019-11-21 16:48 ` tip-bot2 for Frederic Weisbecker [this message]
2019-11-21 2:44 ` [PATCH 6/6] rackmeter: Use " Frederic Weisbecker
2019-11-21 16:48 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
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