diff options
| author | Antti P Miettinen <amiettinen@nvidia.com> | 2012-03-29 07:14:40 +0300 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-04-18 10:40:05 +0530 |
| commit | 1f75c2b913dc0836ed0ee65f1e3c46f3cfacbb0e (patch) | |
| tree | a58def0fe252c9f2d99299e9f21aed365c52237b /include/trace | |
| parent | 834f441d3a912521931ad0835b19f3a7c3effa4b (diff) | |
tracing: Add tracepoints for CPU scaling
Simple tracepoints for measuring CPU scaling latencies.
Bug 960307
Change-Id: I6fd4e67e352a2ff134da58866d943457506d080b
Signed-off-by: Antti P Miettinen <amiettinen@nvidia.com>
Reviewed-on: http://git-master/r/93080
Reviewed-by: Automatic_Commit_Validation_User
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 0c5687517373..babd8ae254be 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -47,6 +47,11 @@ enum { POWER_CPU_DOWN_DONE, }; +enum { + POWER_CPU_SCALE_START, + POWER_CPU_SCALE_DONE, +}; + #endif TRACE_EVENT(cpu_hotplug, @@ -70,6 +75,30 @@ TRACE_EVENT(cpu_hotplug, (unsigned long)__entry->state) ); +TRACE_EVENT(cpu_scale, + + TP_PROTO(unsigned int cpu_id, unsigned int freq, int state), + + TP_ARGS(cpu_id, freq, state), + + TP_STRUCT__entry( + __field(u64, cpu_id) + __field(u32, freq) + __field(u32, state) + ), + + TP_fast_assign( + __entry->cpu_id = cpu_id; + __entry->freq = freq; + __entry->state = state; + ), + + TP_printk("cpu_id=%lu, freq=%lu, state=%lu", + (unsigned long)__entry->cpu_id, + (unsigned long)__entry->freq, + (unsigned long)__entry->state) +); + DEFINE_EVENT(cpu, cpu_frequency, TP_PROTO(unsigned int frequency, unsigned int cpu_id), |