Commit de6fdc07 authored by Steven Rostedt's avatar Steven Rostedt Committed by Steven Rostedt (Google)
Browse files

tracing: PM: Remove unused clock events 

The events clock_enable, clock_disable, and clock_set_rate were added back
in 2010. In 2011 they were used by the arm architecture but removed in
2013. These events add around 7K of memory which was wasted for the last 12
years.

Remove them.

Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/



Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Kajetan Puchalski <kajetan.puchalski@arm.com>
Acked-by: default avatarRafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/20250605162106.1a459dad@gandalf.local.home


Fixes: 74704ac6 ("tracing, perf: Add more power related events")
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 40ee2afa

include/trace/events/power.h

+0 −47
Original line number Diff line number Diff line
@@ -337,53 +337,6 @@ DEFINE_EVENT(wakeup_source, wakeup_source_deactivate, 
	TP_ARGS(name, state)

);



/*

 * The clock events are used for clock enable/disable and for

 *  clock rate change

 */

DECLARE_EVENT_CLASS(clock,



	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),



	TP_ARGS(name, state, cpu_id),



	TP_STRUCT__entry(

		__string(       name,           name            )

		__field(        u64,            state           )

		__field(        u64,            cpu_id          )

	),



	TP_fast_assign(

		__assign_str(name);

		__entry->state = state;

		__entry->cpu_id = cpu_id;

	),



	TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),

		(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)

);



DEFINE_EVENT(clock, clock_enable,



	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),



	TP_ARGS(name, state, cpu_id)

);



DEFINE_EVENT(clock, clock_disable,



	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),



	TP_ARGS(name, state, cpu_id)

);



DEFINE_EVENT(clock, clock_set_rate,



	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),



	TP_ARGS(name, state, cpu_id)

);



/*

 * The power domain events are used for power domains transitions

 */