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drm/virtio: Spiff out cmd queue/response traces

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Add a sequence # for more easily matching up cmd/resp, and the # of free
slots in the virtqueue to more easily see starvation issues.

v2: Fix handling of string fields as well

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221130000841.318037-1-robdclark@gmail.com
This commit is contained in:
Rob Clark
2022-11-29 16:08:41 -08:00
committed by Dmitry Osipenko
parent 0974687a19
commit 2591939e88
3 changed files with 28 additions and 14 deletions
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3
drivers/gpu/drm/virtio/virtgpu_drv.h
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@@ -165,6 +165,8 @@ struct virtio_gpu_vbuffer {
struct virtio_gpu_object_array *objs;
struct list_head list;
uint32_t seqno;
};
struct virtio_gpu_output {
@@ -194,6 +196,7 @@ struct virtio_gpu_queue {
spinlock_t qlock;
wait_queue_head_t ack_queue;
struct work_struct dequeue_work;
uint32_t seqno;
};
struct virtio_gpu_drv_capset {