1491ede74d
This patch allocates an IOThread object for each xen_disk instance and sets the AIO context appropriately on connect. This allows processing of I/O to proceed in parallel. The patch also adds tracepoints into xen_disk to make it possible to follow the state transtions of an instance in the log. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org> Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
20 lines
1.1 KiB
Plaintext
20 lines
1.1 KiB
Plaintext
# See docs/devel/tracing.txt for syntax documentation.
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# hw/block/virtio-blk.c
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virtio_blk_req_complete(void *vdev, void *req, int status) "vdev %p req %p status %d"
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virtio_blk_rw_complete(void *vdev, void *req, int ret) "vdev %p req %p ret %d"
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virtio_blk_handle_write(void *vdev, void *req, uint64_t sector, size_t nsectors) "vdev %p req %p sector %"PRIu64" nsectors %zu"
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virtio_blk_handle_read(void *vdev, void *req, uint64_t sector, size_t nsectors) "vdev %p req %p sector %"PRIu64" nsectors %zu"
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virtio_blk_submit_multireq(void *vdev, void *mrb, int start, int num_reqs, uint64_t offset, size_t size, bool is_write) "vdev %p mrb %p start %d num_reqs %d offset %"PRIu64" size %zu is_write %d"
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# hw/block/hd-geometry.c
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hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p LCHS %d %d %d"
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hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "blk %p CHS %u %u %u trans %d"
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# hw/block/xen_disk.c
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xen_disk_alloc(char *name) "%s"
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xen_disk_init(char *name) "%s"
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xen_disk_connect(char *name) "%s"
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xen_disk_disconnect(char *name) "%s"
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xen_disk_free(char *name) "%s"
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