diff options
| -rw-r--r-- | drivers/cpuidle/cpuidle-psci.c | 3 | ||||
| -rw-r--r-- | include/trace/events/power.h | 37 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c index 2562dc001fc1..dd8d776d6e39 100644 --- a/drivers/cpuidle/cpuidle-psci.c +++ b/drivers/cpuidle/cpuidle-psci.c @@ -25,6 +25,7 @@ #include <linux/syscore_ops.h> #include <asm/cpuidle.h> +#include <trace/events/power.h> #include "cpuidle-psci.h" #include "dt_idle_states.h" @@ -74,7 +75,9 @@ static __cpuidle int __psci_enter_domain_idle_state(struct cpuidle_device *dev, if (!state) state = states[idx]; + trace_psci_domain_idle_enter(dev->cpu, state, s2idle); ret = psci_cpu_suspend_enter(state) ? -1 : idx; + trace_psci_domain_idle_exit(dev->cpu, state, s2idle); if (s2idle) dev_pm_genpd_resume(pd_dev); diff --git a/include/trace/events/power.h b/include/trace/events/power.h index d2349b6b531a..9253e83b9bb4 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -62,6 +62,43 @@ TRACE_EVENT(cpu_idle_miss, (unsigned long)__entry->state, (__entry->below)?"below":"above") ); +DECLARE_EVENT_CLASS(psci_domain_idle, + + TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle), + + TP_ARGS(cpu_id, state, s2idle), + + TP_STRUCT__entry( + __field(u32, cpu_id) + __field(u32, state) + __field(bool, s2idle) + ), + + TP_fast_assign( + __entry->cpu_id = cpu_id; + __entry->state = state; + __entry->s2idle = s2idle; + ), + + TP_printk("cpu_id=%lu state=0x%lx is_s2idle=%s", + (unsigned long)__entry->cpu_id, (unsigned long)__entry->state, + (__entry->s2idle)?"yes":"no") +); + +DEFINE_EVENT(psci_domain_idle, psci_domain_idle_enter, + + TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle), + + TP_ARGS(cpu_id, state, s2idle) +); + +DEFINE_EVENT(psci_domain_idle, psci_domain_idle_exit, + + TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle), + + TP_ARGS(cpu_id, state, s2idle) +); + TRACE_EVENT(powernv_throttle, TP_PROTO(int chip_id, const char *reason, int pmax), |