drm/amdgpu: add tracepoint for scheduler (v2)
track sched job status like the length of job queue and hw job queue. v2: fix build after rebase Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>
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drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
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41
drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
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@ -0,0 +1,41 @@
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#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _GPU_SCHED_TRACE_H_
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#include <linux/stringify.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#include <drm/drmP.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM gpu_sched
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#define TRACE_INCLUDE_FILE gpu_sched_trace
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TRACE_EVENT(amd_sched_job,
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TP_PROTO(struct amd_sched_job *sched_job),
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TP_ARGS(sched_job),
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TP_STRUCT__entry(
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__field(struct amd_sched_entity *, entity)
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__field(u32, ring_id)
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__field(u32, job_count)
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__field(int, hw_job_count)
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),
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TP_fast_assign(
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__entry->entity = sched_job->s_entity;
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__entry->ring_id = sched_job->sched->ring_id;
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__entry->job_count = kfifo_len(
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&sched_job->s_entity->job_queue) / sizeof(sched_job);
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__entry->hw_job_count = atomic_read(
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&sched_job->sched->hw_rq_count);
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),
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TP_printk("entity=%p, ring=%u, job count:%u, hw job count:%d",
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__entry->entity, __entry->ring_id, __entry->job_count,
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__entry->hw_job_count)
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);
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#endif
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#include <trace/define_trace.h>
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@ -27,6 +27,9 @@
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#include <drm/drmP.h>
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#include "gpu_scheduler.h"
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#define CREATE_TRACE_POINTS
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#include "gpu_sched_trace.h"
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static struct amd_sched_job *
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amd_sched_entity_pop_job(struct amd_sched_entity *entity);
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static void amd_sched_wakeup(struct amd_gpu_scheduler *sched);
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@ -273,7 +276,7 @@ int amd_sched_entity_push_job(struct amd_sched_job *sched_job)
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wait_event(entity->scheduler->job_scheduled,
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amd_sched_entity_in(sched_job));
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trace_amd_sched_job(sched_job);
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return 0;
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}
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