forked from Minki/linux
07507c01aa
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>
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*
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* Copyright 2017 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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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_scheduler
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#define TRACE_INCLUDE_FILE gpu_scheduler_trace
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TRACE_EVENT(drm_sched_job,
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TP_PROTO(struct drm_sched_job *sched_job, struct drm_sched_entity *entity),
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TP_ARGS(sched_job, entity),
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TP_STRUCT__entry(
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__field(struct drm_sched_entity *, entity)
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__field(struct dma_fence *, fence)
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__field(const char *, name)
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__field(uint64_t, 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 = entity;
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__entry->id = sched_job->id;
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__entry->fence = &sched_job->s_fence->finished;
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__entry->name = sched_job->sched->name;
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__entry->job_count = spsc_queue_count(&entity->job_queue);
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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, id=%llu, fence=%p, ring=%s, job count:%u, hw job count:%d",
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__entry->entity, __entry->id,
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__entry->fence, __entry->name,
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__entry->job_count, __entry->hw_job_count)
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);
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TRACE_EVENT(drm_sched_process_job,
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TP_PROTO(struct drm_sched_fence *fence),
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TP_ARGS(fence),
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TP_STRUCT__entry(
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__field(struct dma_fence *, fence)
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),
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TP_fast_assign(
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__entry->fence = &fence->finished;
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),
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TP_printk("fence=%p signaled", __entry->fence)
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);
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TRACE_EVENT(drm_sched_job_wait_dep,
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TP_PROTO(struct drm_sched_job *sched_job, struct dma_fence *fence),
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TP_ARGS(sched_job, fence),
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TP_STRUCT__entry(
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__field(const char *,name)
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__field(uint64_t, id)
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__field(struct dma_fence *, fence)
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__field(uint64_t, ctx)
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__field(unsigned, seqno)
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),
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TP_fast_assign(
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__entry->name = sched_job->sched->name;
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__entry->id = sched_job->id;
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__entry->fence = fence;
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__entry->ctx = fence->context;
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__entry->seqno = fence->seqno;
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),
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TP_printk("job ring=%s, id=%llu, depends fence=%p, context=%llu, seq=%u",
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__entry->name, __entry->id,
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__entry->fence, __entry->ctx,
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__entry->seqno)
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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 ../../drivers/gpu/drm/scheduler
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#include <trace/define_trace.h>
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