linux/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h
Andrey Grodzovsky 07507c01aa drm/scheduler: Add job dependency trace.
During debug sessions I encountered a need to trace
back a job dependecy a few steps back to the first failing
job. This trace helpped me a lot.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27 11:09:46 -05:00

107 lines
3.5 KiB
C

/*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _GPU_SCHED_TRACE_H_
#include <linux/stringify.h>
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <drm/drmP.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM gpu_scheduler
#define TRACE_INCLUDE_FILE gpu_scheduler_trace
TRACE_EVENT(drm_sched_job,
TP_PROTO(struct drm_sched_job *sched_job, struct drm_sched_entity *entity),
TP_ARGS(sched_job, entity),
TP_STRUCT__entry(
__field(struct drm_sched_entity *, entity)
__field(struct dma_fence *, fence)
__field(const char *, name)
__field(uint64_t, id)
__field(u32, job_count)
__field(int, hw_job_count)
),
TP_fast_assign(
__entry->entity = entity;
__entry->id = sched_job->id;
__entry->fence = &sched_job->s_fence->finished;
__entry->name = sched_job->sched->name;
__entry->job_count = spsc_queue_count(&entity->job_queue);
__entry->hw_job_count = atomic_read(
&sched_job->sched->hw_rq_count);
),
TP_printk("entity=%p, id=%llu, fence=%p, ring=%s, job count:%u, hw job count:%d",
__entry->entity, __entry->id,
__entry->fence, __entry->name,
__entry->job_count, __entry->hw_job_count)
);
TRACE_EVENT(drm_sched_process_job,
TP_PROTO(struct drm_sched_fence *fence),
TP_ARGS(fence),
TP_STRUCT__entry(
__field(struct dma_fence *, fence)
),
TP_fast_assign(
__entry->fence = &fence->finished;
),
TP_printk("fence=%p signaled", __entry->fence)
);
TRACE_EVENT(drm_sched_job_wait_dep,
TP_PROTO(struct drm_sched_job *sched_job, struct dma_fence *fence),
TP_ARGS(sched_job, fence),
TP_STRUCT__entry(
__field(const char *,name)
__field(uint64_t, id)
__field(struct dma_fence *, fence)
__field(uint64_t, ctx)
__field(unsigned, seqno)
),
TP_fast_assign(
__entry->name = sched_job->sched->name;
__entry->id = sched_job->id;
__entry->fence = fence;
__entry->ctx = fence->context;
__entry->seqno = fence->seqno;
),
TP_printk("job ring=%s, id=%llu, depends fence=%p, context=%llu, seq=%u",
__entry->name, __entry->id,
__entry->fence, __entry->ctx,
__entry->seqno)
);
#endif
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/scheduler
#include <trace/define_trace.h>