diff options
| author | Sivaram Nair <sivaramn@nvidia.com> | 2012-05-09 19:51:38 +0300 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-05-14 18:34:31 -0700 |
| commit | bc32f830de9ff80972f30fbb0b61c1937cf7c451 (patch) | |
| tree | 28b412ec9ebd87eb1bcd440c840df8a34aed7a12 | |
| parent | e463cd94c8a523c00624616ea94a5f20e4e5d3dc (diff) | |
ARM: tegra: pm: suspend trace event
A new trace event is added for tracing cpu suspend start and end
Change-Id: I2506e3aed0692c44fb4325e9d381cea53228b0c3
Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Reviewed-on: http://git-master/r/101748
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 4 | ||||
| -rw-r--r-- | include/trace/events/power.h | 22 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index 72ae30a6a29a..896e9576e1c0 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -878,6 +878,8 @@ int tegra_suspend_dram(enum tegra_suspend_mode mode, unsigned int flags) local_fiq_disable(); + trace_cpu_suspend(CPU_SUSPEND_START); + cpu_pm_enter(); cpu_complex_pm_enter(); @@ -941,6 +943,8 @@ int tegra_suspend_dram(enum tegra_suspend_mode mode, unsigned int flags) if (pdata && pdata->board_resume) pdata->board_resume(mode, TEGRA_RESUME_AFTER_CPU); + trace_cpu_suspend(CPU_SUSPEND_DONE); + local_fiq_enable(); tegra_common_resume(); diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 9c9699a2b457..5b503e9b661c 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -41,6 +41,11 @@ DEFINE_EVENT(cpu, cpu_idle, #define PWR_EVENT_EXIT -1 enum { + CPU_SUSPEND_START, + CPU_SUSPEND_DONE +}; + +enum { POWER_CPU_UP_START, POWER_CPU_UP_DONE, POWER_CPU_DOWN_START, @@ -59,6 +64,23 @@ enum { #endif +TRACE_EVENT(cpu_suspend, + + TP_PROTO(unsigned int state), + + TP_ARGS(state), + + TP_STRUCT__entry( + __field(u32, state) + ), + + TP_fast_assign( + __entry->state = state; + ), + + TP_printk("state=%lu", (unsigned long)__entry->state) +); + TRACE_EVENT(cpu_hotplug, TP_PROTO(unsigned int cpu_id, int state), |