Commit b8c6d095 authored Mar 29, 2011 by Stefan Hajnoczi Committed by Kevin Wolf Apr 07, 2011

trace: Trace bdrv_set_locked()



It can be handy to know when the guest locks/unlocks the CD-ROM tray.
This trace event makes that possible.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

parent d22b2f41

block.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2817,6 +2817,8 @@ void bdrv_set_locked(BlockDriverState *bs, int locked)
		{
		BlockDriver *drv = bs->drv;

		trace_bdrv_set_locked(bs, locked);

		bs->locked = locked;
		if (drv && drv->bdrv_set_locked) {
		drv->bdrv_set_locked(bs, locked);

trace-events

+1 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ disable bdrv_aio_multiwrite_latefail(void *mcb, int i) "mcb %p i %d"
		disable bdrv_aio_flush(void bs, void opaque) "bs %p opaque %p"
		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"
		disable bdrv_set_locked(void *bs, int locked) "bs %p locked %d"

		# hw/virtio-blk.c
		disable virtio_blk_req_complete(void *req, int status) "req %p status %d"