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authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2010-10-05 14:28:53 +0100
committerBlue Swirl <blauwirbel@gmail.com>2010-10-09 08:17:03 +0000
commitbbf0a440813816410eeee465b71b37100b2ec9ca (patch)
tree2db13712657dfd63425e86f14f5e2924a9fce2bb /trace-events
parentea9c16989b0c814d5dd2a09a576018a6aa320a27 (diff)
trace: Trace bdrv_aio_{readv,writev}
Observing block layer aio readv/writev operations is useful for debugging image formats or understanding guest disk I/O patterns. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'trace-events')
-rw-r--r--trace-events2
1 files changed, 2 insertions, 0 deletions
diff --git a/trace-events b/trace-events
index b43317e914..4300178f15 100644
--- a/trace-events
+++ b/trace-events
@@ -51,6 +51,8 @@ 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"
+disable bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
+disable bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
# hw/virtio-blk.c
disable virtio_blk_req_complete(void *req, int status) "req %p status %d"