tracing: PM: Remove unused clock events
authorSteven Rostedt <rostedt@goodmis.org>
Thu, 5 Jun 2025 20:21:06 +0000 (16:21 -0400)
committerSteven Rostedt (Google) <rostedt@goodmis.org>
Sat, 7 Jun 2025 00:25:56 +0000 (20:25 -0400)
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: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/20250605162106.1a459dad@gandalf.local.home
Fixes: 74704ac6ea402 ("tracing, perf: Add more power related events")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
include/trace/events/power.h

index 9253e83b9bb43319395e08121972b523bbe44799..6c631eec23e32b0f68085e6457612025be2d553a 100644 (file)
@@ -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
  */