bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/virtio: Spiff out cmd queue/response traces

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/gpu/drm/virtio/virtgpu_trace.h
View File

@@ -9,40 +9,44 @@
#define TRACE_INCLUDE_FILE virtgpu_trace
DECLARE_EVENT_CLASS(virtio_gpu_cmd,
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr),
TP_ARGS(vq, hdr),
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr, u32 seqno),
TP_ARGS(vq, hdr, seqno),
TP_STRUCT__entry(
__field(int, dev)
__field(unsigned int, vq)
__field(const char *, name)
__string(name, vq->name)
__field(u32, type)
__field(u32, flags)
__field(u64, fence_id)
__field(u32, ctx_id)
__field(u32, num_free)
__field(u32, seqno)
),
TP_fast_assign(
__entry->dev = vq->vdev->index;
__entry->vq = vq->index;
__entry->name = vq->name;
__assign_str(name, vq->name);
__entry->type = le32_to_cpu(hdr->type);
__entry->flags = le32_to_cpu(hdr->flags);
__entry->fence_id = le64_to_cpu(hdr->fence_id);
__entry->ctx_id = le32_to_cpu(hdr->ctx_id);
__entry->num_free = vq->num_free;
__entry->seqno = seqno;
),
TP_printk("vdev=%d vq=%u name=%s type=0x%x flags=0x%x fence_id=%llu ctx_id=%u",
__entry->dev, __entry->vq, __entry->name,
TP_printk("vdev=%d vq=%u name=%s type=0x%x flags=0x%x fence_id=%llu ctx_id=%u num_free=%u seqno=%u",
__entry->dev, __entry->vq, __get_str(name),
__entry->type, __entry->flags, __entry->fence_id,
__entry->ctx_id)
__entry->ctx_id, __entry->num_free, __entry->seqno)
);
DEFINE_EVENT(virtio_gpu_cmd, virtio_gpu_cmd_queue,
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr),
TP_ARGS(vq, hdr)
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr, u32 seqno),
TP_ARGS(vq, hdr, seqno)
);
DEFINE_EVENT(virtio_gpu_cmd, virtio_gpu_cmd_response,
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr),
TP_ARGS(vq, hdr)
TP_PROTO(struct virtqueue *vq, struct virtio_gpu_ctrl_hdr *hdr, u32 seqno),
TP_ARGS(vq, hdr, seqno)
);
#endif