diff options
| author | Antti P Miettinen <amiettinen@nvidia.com> | 2012-03-28 20:42:55 +0300 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-04-12 22:56:36 -0700 |
| commit | 83e03321026504ee3ec69bf0a4790b82206f7a07 (patch) | |
| tree | 17f1dbf7153a03ca46de5f1f972b1d0a5e793ccd /include/trace | |
| parent | d340e5c6525b1332dd5cd880137b5c930d01fe68 (diff) | |
tracing: Add tracepoints for hotplug
Simple trace points for measuring hotplug up/down times.
Bug 960310
Change-Id: I1927aae6edb74cba7ca3e9522d138407b48325dc
Signed-off-by: Antti P Miettinen <amiettinen@nvidia.com>
Reviewed-on: http://git-master/r/92920
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Satya Popuri <spopuri@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/power.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 1bcc2a8c00e2..be2325339768 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -39,8 +39,37 @@ DEFINE_EVENT(cpu, cpu_idle, #define _PWR_EVENT_AVOID_DOUBLE_DEFINING #define PWR_EVENT_EXIT -1 + +enum { + POWER_CPU_UP_START, + POWER_CPU_UP_DONE, + POWER_CPU_DOWN_START, + POWER_CPU_DOWN_DONE, +}; + #endif +TRACE_EVENT(cpu_hotplug, + + TP_PROTO(unsigned int cpu_id, int state), + + TP_ARGS(cpu_id, state), + + TP_STRUCT__entry( + __field(u32, cpu_id) + __field(u32, state) + ), + + TP_fast_assign( + __entry->cpu_id = cpu_id; + __entry->state = state; + ), + + TP_printk("cpu_id=%lu, state=%lu", + (unsigned long)__entry->cpu_id, + (unsigned long)__entry->state) +); + DEFINE_EVENT(cpu, cpu_frequency, TP_PROTO(unsigned int frequency, unsigned int cpu_id), |