From 83e03321026504ee3ec69bf0a4790b82206f7a07 Mon Sep 17 00:00:00 2001 From: Antti P Miettinen Date: Wed, 28 Mar 2012 20:42:55 +0300 Subject: 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 Reviewed-on: http://git-master/r/92920 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Satya Popuri Reviewed-by: Diwakar Tundlam Reviewed-by: Juha Tukkinen --- include/trace/events/power.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'include/trace') 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), -- cgit v1.2.3