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Sat, 07 Mar 2020 05:55:21 -0800 (PST) From: Qiang Yu To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm/lima: add trace point for tasks Date: Sat, 7 Mar 2020 21:54:38 +0800 Message-Id: <20200307135438.9981-1-yuq825@gmail.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lima@lists.freedesktop.org, David Airlie , Vasily Khoruzhick , Andreas Baierl , Qiang Yu , Erico Nunes MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" track lima task start which can be combined with dma_fence_signal to identify task execution time. example command to record: trace-cmd record -i \ -e "lima:lima_task_submit" -e "lima:lima_task_run" \ -e "*fence:*fence_signaled" -e "drm:drm_vblank_event" \ -e "drm:drm_vblank_event_queued" sleep 4 Signed-off-by: Qiang Yu --- drivers/gpu/drm/lima/Makefile | 3 +- drivers/gpu/drm/lima/lima_sched.c | 5 +++- drivers/gpu/drm/lima/lima_sched.h | 1 + drivers/gpu/drm/lima/lima_trace.c | 7 +++++ drivers/gpu/drm/lima/lima_trace.h | 50 +++++++++++++++++++++++++++++++ 5 files changed, 64 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/lima/lima_trace.c create mode 100644 drivers/gpu/drm/lima/lima_trace.h diff --git a/drivers/gpu/drm/lima/Makefile b/drivers/gpu/drm/lima/Makefile index a85444b0a1d4..6e7b788408e8 100644 --- a/drivers/gpu/drm/lima/Makefile +++ b/drivers/gpu/drm/lima/Makefile @@ -14,6 +14,7 @@ lima-y := \ lima_sched.o \ lima_ctx.o \ lima_dlbu.o \ - lima_bcast.o + lima_bcast.o \ + lima_trace.o obj-$(CONFIG_DRM_LIMA) += lima.o diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c index f295479e3733..98d0d410b7d7 100644 --- a/drivers/gpu/drm/lima/lima_sched.c +++ b/drivers/gpu/drm/lima/lima_sched.c @@ -3,7 +3,6 @@ #include #include -#include #include #include "lima_drv.h" @@ -12,6 +11,7 @@ #include "lima_mmu.h" #include "lima_l2_cache.h" #include "lima_gem.h" +#include "lima_trace.h" struct lima_fence { struct dma_fence base; @@ -177,6 +177,7 @@ struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *conte { struct dma_fence *fence = dma_fence_get(&task->base.s_fence->finished); + trace_lima_task_submit(task); drm_sched_entity_push_job(&task->base, &context->base); return fence; } @@ -251,6 +252,8 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job) if (last_vm) lima_vm_put(last_vm); + trace_lima_task_run(task); + pipe->error = false; pipe->task_run(pipe, task); diff --git a/drivers/gpu/drm/lima/lima_sched.h b/drivers/gpu/drm/lima/lima_sched.h index e29f5e3b675b..e5db1919f446 100644 --- a/drivers/gpu/drm/lima/lima_sched.h +++ b/drivers/gpu/drm/lima/lima_sched.h @@ -6,6 +6,7 @@ #include #include +#include struct lima_vm; diff --git a/drivers/gpu/drm/lima/lima_trace.c b/drivers/gpu/drm/lima/lima_trace.c new file mode 100644 index 000000000000..ea1c7289bebc --- /dev/null +++ b/drivers/gpu/drm/lima/lima_trace.c @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* Copyright 2020 Qiang Yu */ + +#include "lima_sched.h" + +#define CREATE_TRACE_POINTS +#include "lima_trace.h" diff --git a/drivers/gpu/drm/lima/lima_trace.h b/drivers/gpu/drm/lima/lima_trace.h new file mode 100644 index 000000000000..9308b948b69d --- /dev/null +++ b/drivers/gpu/drm/lima/lima_trace.h @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* Copyright 2020 Qiang Yu */ + +#if !defined(_LIMA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _LIMA_TRACE_H_ + +#include + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM lima +#define TRACE_INCLUDE_FILE lima_trace + +DECLARE_EVENT_CLASS(lima_task, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task), + TP_STRUCT__entry( + __field(uint64_t, task_id) + __field(unsigned int, context) + __field(unsigned int, seqno) + __string(pipe, task->base.sched->name) + ), + + TP_fast_assign( + __entry->task_id = task->base.id; + __entry->context = task->base.s_fence->finished.context; + __entry->seqno = task->base.s_fence->finished.seqno; + __assign_str(pipe, task->base.sched->name) + ), + + TP_printk("task=%llu, context=%u seqno=%u pipe=%s", + __entry->task_id, __entry->context, __entry->seqno, + __get_str(pipe)) +); + +DEFINE_EVENT(lima_task, lima_task_submit, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task) +); + +DEFINE_EVENT(lima_task, lima_task_run, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task) +); + +#endif + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/lima +#include -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel