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| author |   Thara Gopinath <thara.gopinath@linaro.org> | 2020-02-21 19:52:06 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2020-03-06 12:57:17 +0100 |
| commit | 36a0df85d2e85e1929e8cd607e19243e5a2754e7 (patch) | |
| tree | 2ba35c7d1e31aed18e13d7a497442d8bc38419c0 /include/linux/sched | |
| parent | sched/pelt: Add support to track thermal pressure (diff) | |
| download | wireguard-linux-36a0df85d2e85e1929e8cd607e19243e5a2754e7.tar.xz wireguard-linux-36a0df85d2e85e1929e8cd607e19243e5a2754e7.zip | |
sched/topology: Add callback to read per CPU thermal pressure
Introduce the arch_scale_thermal_pressure() callback to retrieve per CPU thermal
pressure.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200222005213.3873-3-thara.gopinath@linaro.org
Diffstat (limited to 'include/linux/sched')
| -rw-r--r-- | include/linux/sched/topology.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index f341163fedc9..af9319e4cfb9 100644 --- a/include/linux/sched/topology.h +++ b/include/linux/sched/topology.h @@ -225,6 +225,14 @@ unsigned long arch_scale_cpu_capacity(int cpu) } #endif +#ifndef arch_scale_thermal_pressure +static __always_inline +unsigned long arch_scale_thermal_pressure(int cpu) +{ + return 0; +} +#endif + static inline int task_node(const struct task_struct *p) { return cpu_to_node(task_cpu(p)); |