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authorDenis V. Lunev <den@openvz.org>2016-05-25 21:48:47 -0600
committerKevin Wolf <kwolf@redhat.com>2016-06-08 10:21:08 +0200
commit5a64e9425160ace607b2043804d73d5579808bd3 (patch)
tree8d0e9628ced8f2132358540af5c81fca7c035792 /block
parentba142846b0f608c433e71d61efc6467c7b367dbf (diff)
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qcow2: add tracepoints for qcow2_co_write_zeroes
This patch follows guidelines of all other tracepoints in qcow2, like ones in qcow2_co_writev. I think that they should dump values in the same quantities or be changed all together. Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Eric Blake <eblake@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Message-Id: <1463476543-3087-4-git-send-email-den@openvz.org> [eblake: typo fix in commit message] Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/qcow2.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 2f73201..105fd5e 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2437,6 +2437,9 @@ static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs,
int head = sector_num % s->cluster_sectors;
int tail = (sector_num + nb_sectors) % s->cluster_sectors;
+ trace_qcow2_write_zeroes_start_req(qemu_coroutine_self(), sector_num,
+ nb_sectors);
+
if (head != 0 || tail != 0) {
int64_t cl_start = sector_num - head;
@@ -2459,6 +2462,8 @@ static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs,
qemu_co_mutex_lock(&s->lock);
}
+ trace_qcow2_write_zeroes(qemu_coroutine_self(), sector_num, nb_sectors);
+
/* Whatever is left can use real zero clusters */
ret = qcow2_zero_clusters(bs, sector_num << BDRV_SECTOR_BITS, nb_sectors);
qemu_co_mutex_unlock(&s->lock);