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hw/display: add blob map/unmap trace events

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As these events happen dynamically as the guest does various things
they are quite handy to trace.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Message-ID: <20251016150357.876415-7-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2025-10-16 16:03:51 +01:00
parent 0c6d6d79a5
commit 9f714c4b20
2 changed files with 6 additions and 0 deletions
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2
hw/display/trace-events
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@ -38,6 +38,8 @@ virtio_gpu_cmd_set_scanout_blob(uint32_t id, uint32_t res, uint32_t w, uint32_t
virtio_gpu_cmd_res_create_2d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h) "res 0x%x, fmt 0x%x, w %d, h %d"
virtio_gpu_cmd_res_create_3d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h, uint32_t d) "res 0x%x, fmt 0x%x, w %d, h %d, d %d"
virtio_gpu_cmd_res_create_blob(uint32_t res, uint64_t size) "res 0x%x, size %" PRId64
virtio_gpu_cmd_res_map_blob(uint32_t res, void *vmr, void *mr) "res 0x%x, vmr %p, mr %p"
virtio_gpu_cmd_res_unmap_blob(uint32_t res, void *mr, bool finish_unmapping) "res 0x%x, mr %p, finish_unmapping %d"
virtio_gpu_cmd_res_unref(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_back_attach(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_back_detach(uint32_t res) "res 0x%x"

4
hw/display/virtio-gpu-virgl.c
View file

@ -134,6 +134,8 @@ virtio_gpu_virgl_map_resource_blob(VirtIOGPU *g,
res->mr = mr;
trace_virtio_gpu_cmd_res_map_blob(res->base.resource_id, vmr, mr);
return 0;
}
@ -153,6 +155,8 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g,
vmr = to_hostmem_region(res->mr);
trace_virtio_gpu_cmd_res_unmap_blob(res->base.resource_id, mr, vmr->finish_unmapping);
/*
* Perform async unmapping in 3 steps:
*