DO NOT APPLY THIS ONE!!!
The others should go into a mainline tree if Jean is ok with them.
This one does not work, due to some include dependencies or whatever
else I can't see right now.
The idea: Provide old trace power interfaces via .config option to not break
existing perf/powertop/.. binaries.
Not sure whether it's worth looking at it further. It shouldn't be needed...
Thomas
---
include/trace/events/power.h | 11 +++++++++++
kernel/trace/Kconfig | 4 ++++
2 files changed, 15 insertions(+)
Index: linux-2.6.35-master/kernel/trace/Kconfig
===================================================================
--- linux-2.6.35-master.orig/kernel/trace/Kconfig
+++ linux-2.6.35-master/kernel/trace/Kconfig
@@ -64,6 +64,10 @@ config EVENT_TRACING
select CONTEXT_SWITCH_TRACER
bool
+config DEPRECATED_POWER_EVENT_TRACING
+ bool
+ default n
+
config CONTEXT_SWITCH_TRACER
bool
Index: linux-2.6.35-master/include/trace/events/power.h
===================================================================
--- linux-2.6.35-master.orig/include/trace/events/power.h
+++ linux-2.6.35-master/include/trace/events/power.h
@@ -50,6 +50,7 @@ DEFINE_EVENT(power, power_switch_state,
TP_ARGS(type, state, cpu_id)
);
+#ifdef CONFIG_DEPRECATED_POWER_EVENT_TRACING
DEFINE_EVENT(power, power_start,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
@@ -81,6 +82,16 @@ TRACE_EVENT(power_end,
TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
);
+#else
+inline void trace_power_end(unsigned int cpu_id)
+{}
+inline void trace_power_start(unsigned int type, unsigned int state,
+ unsigned int cpu_id)
+{}
+inline void trace_power_frequency(unsigned int type, unsigned int state,
+ unsigned int cpu_id)
+{}
+#endif
/*
* The clock events are used for clock enable/disable and for
--
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