From 8873b7662b507bd006bc5054ac08310c98aecbdc Mon Sep 17 00:00:00 2001 From: Antti P Miettinen Date: Mon, 2 Apr 2012 14:27:21 +0300 Subject: tracing: Add tracepoints for cluster switch Simple trace points for measuring cluster switch latencies. Bug 958262 Change-Id: Ia1e5e13131d5e55aaa0a44e9e8b5196539df54e7 Signed-off-by: Antti P Miettinen Reviewed-on: http://git-master/r/93841 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Juha Tukkinen --- include/trace/events/power.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 63031aa5b6dd..9c9699a2b457 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -52,6 +52,11 @@ enum { POWER_CPU_SCALE_DONE, }; +enum { + POWER_CPU_CLUSTER_START, + POWER_CPU_CLUSTER_DONE, +}; + #endif TRACE_EVENT(cpu_hotplug, @@ -99,6 +104,24 @@ TRACE_EVENT(cpu_scale, (unsigned long)__entry->state) ); +TRACE_EVENT(cpu_cluster, + + TP_PROTO(int state), + + TP_ARGS(state), + + TP_STRUCT__entry( + __field(u64, state) + ), + + TP_fast_assign( + __entry->state = state; + ), + + TP_printk("state=%lu", + (unsigned long)__entry->state) +); + DEFINE_EVENT(cpu, cpu_frequency, TP_PROTO(unsigned int frequency, unsigned int cpu_id), -- cgit v1.2.3