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Commit 20daa233 authored by Junjie Wu's avatar Junjie Wu
Browse files

cpufreq: interactive: Add cpuload trace events 



With per-cluster timer implementation, only max load across CPUs in
cluster is traced in timer function. Add cpufreq_interactive_cpuload
trace to provide per-cpu load information.

Change-Id: Icea9f2574332a4bc472b14193e77d76100a896ed
Signed-off-by: default avatarJunjie Wu <junjiew@codeaurora.org>
parent df26e48c

drivers/cpufreq/cpufreq_interactive.c

+2 −0
Original line number Diff line number Diff line
@@ -451,6 +451,8 @@ static void __cpufreq_interactive_timer(unsigned long data, bool is_notif) 
		}

		tmploadadjfreq = (unsigned int)cputime_speedadj * 100;

		pcpu->loadadjfreq = tmploadadjfreq;

		trace_cpufreq_interactive_cpuload(i, tmploadadjfreq /

						  ppol->policy->cur);



		if (tmploadadjfreq > loadadjfreq) {

			loadadjfreq = tmploadadjfreq;

include/trace/events/cpufreq_interactive.h

+14 −0
Original line number Diff line number Diff line
@@ -118,6 +118,20 @@ TRACE_EVENT(cpufreq_interactive_load_change, 
	    TP_printk("re-evaluate for cpu=%lu", __entry->cpu_id)

);



TRACE_EVENT(cpufreq_interactive_cpuload,

	    TP_PROTO(unsigned long cpu_id, unsigned long load),

	    TP_ARGS(cpu_id, load),

	    TP_STRUCT__entry(

		__field(unsigned long, cpu_id)

		__field(unsigned long, load)

	    ),

	    TP_fast_assign(

		__entry->cpu_id = cpu_id;

		__entry->load = load;

	    ),

	    TP_printk("cpu=%lu load=%lu", __entry->cpu_id, __entry->load)

);



#endif /* _TRACE_CPUFREQ_INTERACTIVE_H */



/* This part must be outside protection */