Unverified Commit 1fe0879e authored by Maíra Canal's avatar Maíra Canal
Browse files

drm/v3d: Create tracepoints to track the CPU job 



Create tracepoints to track the three major events of a CPU job
lifetime:
	1. Submission of a `v3d_submit_cpu` IOCTL
	2. Beginning of the execution of a CPU job
	3. Ending of the execution of a CPU job

Signed-off-by: default avatarMaíra Canal <mcanal@igalia.com>
Reviewed-by: default avatarIago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231130164420.932823-11-mcanal@igalia.com
parent c5195d00

drivers/gpu/drm/v3d/v3d_sched.c

+4 −0
Original line number Diff line number Diff line
@@ -288,8 +288,12 @@ v3d_cpu_job_run(struct drm_sched_job *sched_job) 
	file->start_ns[V3D_CPU] = local_clock();

	v3d->queue[V3D_CPU].start_ns = file->start_ns[V3D_CPU];



	trace_v3d_cpu_job_begin(&v3d->drm, job->job_type);



	cpu_job_function[job->job_type](job);



	trace_v3d_cpu_job_end(&v3d->drm, job->job_type);



	runtime = local_clock() - file->start_ns[V3D_CPU];



	file->enabled_ns[V3D_CPU] += runtime;

drivers/gpu/drm/v3d/v3d_submit.c

+2 −0
Original line number Diff line number Diff line
@@ -824,6 +824,8 @@ v3d_submit_cpu_ioctl(struct drm_device *dev, void *data, 
		goto fail;

	}



	trace_v3d_submit_cpu_ioctl(&v3d->drm, cpu_job->job_type);



	ret = v3d_job_init(v3d, file_priv, &cpu_job->base,

			   v3d_job_free, 0, &se, V3D_CPU);

	if (ret)

drivers/gpu/drm/v3d/v3d_trace.h

+57 −0
Original line number Diff line number Diff line
@@ -225,6 +225,63 @@ TRACE_EVENT(v3d_submit_csd, 
		      __entry->seqno)

);



TRACE_EVENT(v3d_submit_cpu_ioctl,

	    TP_PROTO(struct drm_device *dev, enum v3d_cpu_job_type job_type),

	    TP_ARGS(dev, job_type),



	    TP_STRUCT__entry(

			     __field(u32, dev)

			     __field(enum v3d_cpu_job_type, job_type)

			     ),



	    TP_fast_assign(

			   __entry->dev = dev->primary->index;

			   __entry->job_type = job_type;

			   ),



	    TP_printk("dev=%u, job_type=%d",

		      __entry->dev,

		      __entry->job_type)

);



TRACE_EVENT(v3d_cpu_job_begin,

	    TP_PROTO(struct drm_device *dev, enum v3d_cpu_job_type job_type),

	    TP_ARGS(dev, job_type),



	    TP_STRUCT__entry(

			     __field(u32, dev)

			     __field(enum v3d_cpu_job_type, job_type)

			     ),



	    TP_fast_assign(

			   __entry->dev = dev->primary->index;

			   __entry->job_type = job_type;

			   ),



	    TP_printk("dev=%u, job_type=%d",

		      __entry->dev,

		      __entry->job_type)

);



TRACE_EVENT(v3d_cpu_job_end,

	    TP_PROTO(struct drm_device *dev, enum v3d_cpu_job_type job_type),

	    TP_ARGS(dev, job_type),



	    TP_STRUCT__entry(

			     __field(u32, dev)

			     __field(enum v3d_cpu_job_type, job_type)

			     ),



	    TP_fast_assign(

			   __entry->dev = dev->primary->index;

			   __entry->job_type = job_type;

			   ),



	    TP_printk("dev=%u, job_type=%d",

		      __entry->dev,

		      __entry->job_type)

);



TRACE_EVENT(v3d_cache_clean_begin,

	    TP_PROTO(struct drm_device *dev),

	    TP_ARGS(dev),