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authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2011-09-30 17:34:58 +0100
committerStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2011-10-03 10:56:27 +0100
commit59370aaa5693d57c350074e537f2627d5b9d446c (patch)
tree895901f2e1ecdd77d2e5196235e3831c63b72103
parent89bd820acb477b2c41f13977a3ceb4538fadcd02 (diff)
downloadqemu-59370aaa5693d57c350074e537f2627d5b9d446c.tar.gz
trace: add arguments to bdrv_co_io_em() trace event
It is useful to know the BlockDriverState as well as the sector_num/nb_sectors of an emulated .bdrv_co_*() request. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
-rw-r--r--block.c2
-rw-r--r--trace-events2
2 files changed, 2 insertions, 2 deletions
diff --git a/block.c b/block.c
index 1ae22d5d2a..e865fab27e 100644
--- a/block.c
+++ b/block.c
@@ -2999,7 +2999,7 @@ static int coroutine_fn bdrv_co_io_em(BlockDriverState *bs, int64_t sector_num,
bdrv_co_io_em_complete, &co);
}
- trace_bdrv_co_io(is_write, acb);
+ trace_bdrv_co_io_em(bs, sector_num, nb_sectors, is_write, acb);
if (!acb) {
return -EIO;
}
diff --git a/trace-events b/trace-events
index c9fd8e5ad5..9528c04fed 100644
--- a/trace-events
+++ b/trace-events
@@ -67,7 +67,7 @@ bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs
bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d"
bdrv_co_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d"
bdrv_co_writev(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d"
-bdrv_co_io(int is_write, void *acb) "is_write %d acb %p"
+bdrv_co_io_em(void *bs, int64_t sector_num, int nb_sectors, int is_write, void *acb) "bs %p sector_num %"PRId64" nb_sectors %d is_write %d acb %p"
# hw/virtio-blk.c
virtio_blk_req_complete(void *req, int status) "req %p status %d"