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PM / Domains: Add time accounting to various genpd states

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This patch adds support to calculate the time spent by the generic
power domains in on and various idle states.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Thara Gopinath 2017-07-14 13:10:15 -04:00 • committed by Rafael J. Wysocki
parent 520eccdfe1
commit afece3ab9a
2 changed files with 35 additions and 0 deletions
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3
include/linux/pm_domain.h
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@ -43,6 +43,7 @@ struct genpd_power_state {
s64 power_on_latency_ns;
s64 residency_ns;
struct fwnode_handle *fwnode;
ktime_t idle_time;
};
struct genpd_lock_ops;
@ -78,6 +79,8 @@ struct generic_pm_domain {
unsigned int state_count; /* number of states */
unsigned int state_idx; /* state that genpd will go to when off */
void *free; /* Free the state that was allocated for default */
ktime_t on_time;
ktime_t accounting_time;
const struct genpd_lock_ops *lock_ops;
union {
struct mutex mlock;