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| author | Juri Lelli <juri.lelli@arm.com> | 2017-12-04 11:23:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-01-10 11:30:32 +0100 |
| commit | d4edd662ac1657126df7ffd74a278958b133a77d (patch) | |
| tree | 1286382c97227ccb7938021ccf8a056556db6af8 /include | |
| parent | 34be39305a77b8b1ec9f279163c7cdb6cc719b91 (diff) | |
| download | linux-stable-d4edd662ac1657126df7ffd74a278958b133a77d.tar.gz linux-stable-d4edd662ac1657126df7ffd74a278958b133a77d.tar.bz2 linux-stable-d4edd662ac1657126df7ffd74a278958b133a77d.zip | |
sched/cpufreq: Use the DEADLINE utilization signal
SCHED_DEADLINE tracks active utilization signal with a per dl_rq
variable named running_bw.
Make use of that to drive CPU frequency selection: add up FAIR and
DEADLINE contribution to get the required CPU capacity to handle both
requirements (while RT still selects max frequency).
Co-authored-by: Claudio Scordino <claudio@evidence.eu.com>
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luca Abeni <luca.abeni@santannapisa.it>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J . Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: alessio.balsini@arm.com
Cc: bristot@redhat.com
Cc: dietmar.eggemann@arm.com
Cc: joelaf@google.com
Cc: juri.lelli@redhat.com
Cc: mathieu.poirier@linaro.org
Cc: morten.rasmussen@arm.com
Cc: patrick.bellasi@arm.com
Cc: rjw@rjwysocki.net
Cc: rostedt@goodmis.org
Cc: tkjos@android.com
Cc: tommaso.cucinotta@santannapisa.it
Cc: vincent.guittot@linaro.org
Link: http://lkml.kernel.org/r/20171204102325.5110-2-juri.lelli@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched/cpufreq.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h index d1ad3d825561..0b55834efd46 100644 --- a/include/linux/sched/cpufreq.h +++ b/include/linux/sched/cpufreq.h @@ -12,8 +12,6 @@ #define SCHED_CPUFREQ_DL (1U << 1) #define SCHED_CPUFREQ_IOWAIT (1U << 2) -#define SCHED_CPUFREQ_RT_DL (SCHED_CPUFREQ_RT | SCHED_CPUFREQ_DL) - #ifdef CONFIG_CPU_FREQ struct update_util_data { void (*func)(struct update_util_data *data, u64 time, unsigned int flags); |