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Commit c67bc4a3 authored by Deepak Kumar's avatar Deepak Kumar Committed by Indira Biruduraju
Browse files

msm: kgsl: Add gpu_frequency tracepoint to power trace system 



Add a tracepoint to the power trace system to report GPU
frequency change. Format for this is identical to cpu_frequency
event and compatible with Android tools such as Perfetto.

Change-Id: I6207f45f506ab595bd261a297abdd8f40990c8de
Signed-off-by: default avatarDeepak Kumar <dkumar@codeaurora.org>
Signed-off-by: default avatarIndira Biruduraju <ibirudur@codeaurora.org>
parent 488de248

drivers/gpu/msm/kgsl_pwrctrl.c

+2 −0
Original line number Diff line number Diff line
@@ -209,6 +209,8 @@ void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device, 
			pwr->previous_pwrlevel,

			pwr->pwrlevels[old_level].gpu_freq);



	trace_gpu_frequency(pwrlevel->gpu_freq/1000, 0);



	/*

	 * Some targets do not support the bandwidth requirement of

	 * GPU at TURBO, for such targets we need to set GPU-BIMC

drivers/gpu/msm/kgsl_trace.h

+20 −0
Original line number Diff line number Diff line
@@ -286,6 +286,26 @@ TRACE_EVENT(kgsl_pwrlevel, 
	)

);



/*

 * Tracepoint for kgsl gpu_frequency

 */

TRACE_EVENT(gpu_frequency,

	TP_PROTO(unsigned int gpu_freq, unsigned int gpu_id),

	TP_ARGS(gpu_freq, gpu_id),

	TP_STRUCT__entry(

		__field(unsigned int, gpu_freq)

		__field(unsigned int, gpu_id)

	),

	TP_fast_assign(

		__entry->gpu_freq = gpu_freq;

		__entry->gpu_id = gpu_id;

	),



	TP_printk("gpu_freq=%luKhz gpu_id=%lu",

		(unsigned long)__entry->gpu_freq,

		(unsigned long)__entry->gpu_id)

);



TRACE_EVENT(kgsl_buslevel,



	TP_PROTO(struct kgsl_device *device, unsigned int pwrlevel,