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trace: Trace virtio-blk, multiwrite, and paio_submit

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This patch adds trace events that make it possible to observe
virtio-blk.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Stefan Hajnoczi 2010-05-22 18:15:08 +01:00 • committed by Anthony Liguori
parent cd245a1932
commit 6d519a5f95
4 changed files with 31 additions and 0 deletions
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14
trace-events
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@ -37,3 +37,17 @@ disable qemu_free(void *ptr) "ptr %p"
disable qemu_memalign(size_t alignment, size_t size, void *ptr) "alignment %zu size %zu ptr %p"
disable qemu_valloc(size_t size, void *ptr) "size %zu ptr %p"
disable qemu_vfree(void *ptr) "ptr %p"
# block.c
disable multiwrite_cb(void *mcb, int ret) "mcb %p ret %d"
disable bdrv_aio_multiwrite(void *mcb, int num_callbacks, int num_reqs) "mcb %p num_callbacks %d num_reqs %d"
disable bdrv_aio_multiwrite_earlyfail(void *mcb) "mcb %p"
disable bdrv_aio_multiwrite_latefail(void *mcb, int i) "mcb %p i %d"
# hw/virtio-blk.c
disable virtio_blk_req_complete(void *req, int status) "req %p status %d"
disable virtio_blk_rw_complete(void *req, int ret) "req %p ret %d"
disable virtio_blk_handle_write(void *req, unsigned long sector, unsigned long nsectors) "req %p sector %lu nsectors %lu"
# posix-aio-compat.c
disable paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned long nb_sectors, unsigned long type) "acb %p opaque %p sector_num %lu nb_sectors %lu type %lu"