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Date: Sat, 10 Feb 2018 09:37:04 +0800 From: changbin.du@...el.com To: rostedt@...dmis.org Cc: mingo@...hat.com, linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...el.com> Subject: [PATCH] tracing/power: Don't share template for cpu_idle and cpu_frequency From: Changbin Du <changbin.du@...el.com> The type of state is signed int, convert it to unsigned int looks weird. (-1 become 4294967295) 932.123 power:cpu_idle:state=1 cpu_id=0) 932.125 power:cpu_idle:state=4294967295 cpu_id=0) 932.132 power:cpu_idle:state=1 cpu_id=0) 932.133 power:cpu_idle:state=4294967295 cpu_id=0) Similarly for cpu_frequency as "state=%lu cpu_id=%lu". User need to read the code to understand what 'state' means. No functional change in this patch. Signed-off-by: Changbin Du <changbin.du@...el.com> --- include/trace/events/power.h | 32 +++++++++++++++++++------------- 1 file changed, 19 insertions(+), 13 deletions(-) diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 908977d..39bd6de 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -12,14 +12,14 @@ #define TPS(x) tracepoint_string(x) -DECLARE_EVENT_CLASS(cpu, +TRACE_EVENT(cpu_idle, - TP_PROTO(unsigned int state, unsigned int cpu_id), + TP_PROTO(int state, unsigned int cpu_id), TP_ARGS(state, cpu_id), TP_STRUCT__entry( - __field( u32, state ) + __field( int, state ) __field( u32, cpu_id ) ), @@ -28,17 +28,10 @@ DECLARE_EVENT_CLASS(cpu, __entry->cpu_id = cpu_id; ), - TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state, + TP_printk("state=%d cpu_id=%lu", __entry->state, (unsigned long)__entry->cpu_id) ); -DEFINE_EVENT(cpu, cpu_idle, - - TP_PROTO(unsigned int state, unsigned int cpu_id), - - TP_ARGS(state, cpu_id) -); - TRACE_EVENT(powernv_throttle, TP_PROTO(int chip_id, const char *reason, int pmax), @@ -141,11 +134,24 @@ TRACE_EVENT(pstate_sample, { PM_EVENT_RESTORE, "restore" }, \ { PM_EVENT_RECOVER, "recover" }) -DEFINE_EVENT(cpu, cpu_frequency, +TRACE_EVENT(cpu_frequency, TP_PROTO(unsigned int frequency, unsigned int cpu_id), - TP_ARGS(frequency, cpu_id) + TP_ARGS(frequency, cpu_id), + + TP_STRUCT__entry( + __field( u32, frequency ) + __field( u32, cpu_id ) + ), + + TP_fast_assign( + __entry->frequency = frequency; + __entry->cpu_id = cpu_id; + ), + + TP_printk("frequency=%lu cpu_id=%lu", __entry->frequency, + (unsigned long)__entry->cpu_id) ); TRACE_EVENT(device_pm_callback_start, -- 2.7.4
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