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Subject[PATCH 13/18] acpi: Provide config option to enable power tracepoints
Date
CC: linux-acpi@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
include/trace/events/power.h | 2 ++
kernel/trace/Kconfig | 9 +++++++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index c4efe9b..6d84fc1 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -1,5 +1,7 @@
#undef TRACE_SYSTEM
+#undef TRACE_CONFIG
#define TRACE_SYSTEM power
+#define TRACE_CONFIG CONFIG_POWER_TRACER

#if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_POWER_H
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 787f52e..a48ff49 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -430,6 +430,15 @@ config TIMER_TRACER

If unsure, say N

+config POWER_TRACER
+ bool "Trace power events"
+ select GENERIC_TRACER
+ help
+ Provide trace points for events like changing CPU frequency,
+ turning CPUs on / off.
+
+ If unsure, say N
+
config WORKQUEUE_TRACER
bool "Trace workqueues"
select GENERIC_TRACER
--
1.6.4.2


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