[PATCH 13/18] acpi: Provide config option to enable power tracepoints

[Jan Kara]

CC: linux-acpi@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/