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| author | Denis V. Lunev <den@openvz.org> | 2016-05-25 21:48:47 -0600 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-06-08 10:21:08 +0200 |
| commit | 5a64e9425160ace607b2043804d73d5579808bd3 (patch) | |
| tree | 8d0e9628ced8f2132358540af5c81fca7c035792 /block | |
| parent | ba142846b0f608c433e71d61efc6467c7b367dbf (diff) | |
| download | qemu-5a64e9425160ace607b2043804d73d5579808bd3.zip qemu-5a64e9425160ace607b2043804d73d5579808bd3.tar.gz qemu-5a64e9425160ace607b2043804d73d5579808bd3.tar.bz2 | |
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.c | 5 |
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); |