From 67af621a75cbda2ee3634c819cb3a105c690aa96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 6 Feb 2025 14:16:06 +0100
Subject: [PATCH] drm/amdgpu: add isolation trace point
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Note when we switch from one isolation owner to another.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h | 17 +++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 662c83d72509e..6ebf6179064b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -7028,6 +7028,7 @@ struct dma_fence *amdgpu_device_enforce_isolation(struct amdgpu_device *adev,
dma_fence_put(isolation->spearhead);
isolation->spearhead = dma_fence_get(&f->scheduled);
amdgpu_sync_move(&isolation->active, &isolation->prev);
+ trace_amdgpu_isolation(isolation->owner, owner);
isolation->owner = owner;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 383fce40d4dd7..e8147d9a54fcf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -457,6 +457,23 @@ DEFINE_EVENT(amdgpu_pasid, amdgpu_pasid_freed,
TP_ARGS(pasid)
);
+TRACE_EVENT(amdgpu_isolation,
+ TP_PROTO(void *prev, void *next),
+ TP_ARGS(prev, next),
+ TP_STRUCT__entry(
+ __field(void *, prev)
+ __field(void *, next)
+ ),
+
+ TP_fast_assign(
+ __entry->prev = prev;
+ __entry->next = next;
+ ),
+ TP_printk("prev=%p, next=%p",
+ __entry->prev,
+ __entry->next)
+);
+
TRACE_EVENT(amdgpu_bo_list_set,
TP_PROTO(struct amdgpu_bo_list *list, struct amdgpu_bo *bo),
TP_ARGS(list, bo),
--
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