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Vladimir Sementsov-Ogievskiy 7e5c776d15 qapi: add block latency histogram interface 
Set (and clear) histograms through new command
block-latency-histogram-set and show new statistics in
query-blockstats results.

For now, the command is marked experimental with prefix 'x-',
to gain experience with the interface without being stuck
with design decisions.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180309165212.97144-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[eblake: fix typos, mention x- prefix in commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:38 -05:00
..
accounting.c
block/accounting: introduce latency histogram
2018-03-19 14:58:37 -05:00
backup.c
blockjobs: ensure abort is called for cancelled jobs
2018-03-19 12:01:24 +01:00
blkdebug.c
block: Switch passthrough drivers to .bdrv_co_block_status()
2018-03-02 18:39:07 +01:00
blkreplay.c
…
blkverify.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
block-backend.c
block: let blk_add/remove_aio_context_notifier() tolerate BDS changes
2018-03-13 15:38:55 -05:00
bochs.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
cloop.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
commit.c
blockjobs: model single jobs as transactions
2018-03-19 12:01:24 +01:00
create.c
block: x-blockdev-create QMP command
2018-03-09 15:17:47 +01:00
crypto.c
luks: Catch integer overflow for huge sizes
2018-03-19 12:01:24 +01:00
crypto.h
…
curl.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
dirty-bitmap.c
dirty-bitmap: add locked state
2018-03-13 17:05:00 -04:00
dmg-bz2.c
…
dmg.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
dmg.h
block: remove "qemu/osdep.h" from header file
2017-12-18 17:07:02 +03:00
file-posix.c
file-posix: Fix no-op bdrv_truncate() with falloc preallocation
2018-03-09 15:17:48 +01:00
file-win32.c
file-win32: Support .bdrv_co_create
2018-03-09 15:17:47 +01:00
gluster.c
block: include original filename when reporting invalid URIs
2018-03-13 08:06:55 -04:00
io.c
block: extract AIO_WAIT_WHILE() from BlockDriverState
2018-03-02 18:39:07 +01:00
iscsi-opts.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
iscsi.c
iscsi: fix iSER compilation
2018-03-19 12:01:39 +01:00
linux-aio.c
…
Makefile.objs
block: x-blockdev-create QMP command
2018-03-09 15:17:47 +01:00
mirror.c
block/mirror: change the semantic of 'force' of block-job-cancel
2018-03-19 12:01:39 +01:00
nbd-client.c
nbd: BLOCK_STATUS for standard get_block_status function: client part
2018-03-13 15:43:48 -05:00
nbd-client.h
nbd: BLOCK_STATUS for standard get_block_status function: client part
2018-03-13 15:43:48 -05:00
nbd.c
nbd: BLOCK_STATUS for standard get_block_status function: client part
2018-03-13 15:43:48 -05:00
nfs.c
nfs: Support .bdrv_co_create
2018-03-09 15:17:47 +01:00
null.c
null: Switch to .bdrv_co_block_status()
2018-03-02 18:39:07 +01:00
nvme.c
nvme: Drop pointless .bdrv_co_get_block_status()
2018-03-02 18:39:07 +01:00
parallels.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
parallels.h
Clean up includes
2018-02-09 05:05:11 +01:00
qapi.c
qapi: add block latency histogram interface
2018-03-19 14:58:38 -05:00
qcow2-bitmap.c
qcow2: fix flushing after dirty bitmap metadata writes
2018-03-09 15:17:47 +01:00
qcow2-cache.c
qcow2: Allow configuring the L2 slice size
2018-02-13 17:00:00 +01:00
qcow2-cluster.c
qcow2: Check L1 table parameters in qcow2_expand_zero_clusters()
2018-03-09 15:17:47 +01:00
qcow2-refcount.c
qcow2: Make qemu-img check detect corrupted L1 tables in snapshots
2018-03-09 15:17:47 +01:00
qcow2-snapshot.c
qcow2: Check snapshot L1 table in qcow2_snapshot_delete()
2018-03-09 15:17:47 +01:00
qcow2.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
qcow2.h
qcow2: Generalize validate_table_offset() into qcow2_validate_table()
2018-03-09 15:17:47 +01:00
qcow.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
qed-check.c
block: convert bdrv_check callback to coroutine_fn
2018-03-09 15:17:47 +01:00
qed-cluster.c
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
qed-l2-cache.c
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
qed-table.c
block: convert bdrv_check callback to coroutine_fn
2018-03-09 15:17:47 +01:00
qed.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
qed.h
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
quorum.c
Include less of the generated modular QAPI headers
2018-03-02 13:45:50 -06:00
raw-format.c
block: rename .bdrv_create() to .bdrv_co_create_opts()
2018-03-02 18:39:07 +01:00
rbd.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
replication.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
sheepdog.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
snapshot.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
ssh.c
ssh: Support .bdrv_co_create
2018-03-09 15:17:48 +01:00
stream.c
blockjobs: model single jobs as transactions
2018-03-19 12:01:24 +01:00
throttle-groups.c
Include less of the generated modular QAPI headers
2018-03-02 13:45:50 -06:00
throttle.c
block: Switch passthrough drivers to .bdrv_co_block_status()
2018-03-02 18:39:07 +01:00
trace-events
blockjobs: add block-job-finalize
2018-03-19 12:01:24 +01:00
vdi.c
vdi: Make comments consistent with other drivers
2018-03-19 12:01:39 +01:00
vhdx-endian.c
…
vhdx-log.c
vhdx: use QEMU_ALIGN_DOWN
2017-08-31 12:29:07 +02:00
vhdx.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
vhdx.h
…
vmdk.c
block: convert bdrv_check callback to coroutine_fn
2018-03-09 15:17:47 +01:00
vpc.c
qapi: Replace qobject_to_X(o) by qobject_to(X, o)
2018-03-19 14:58:36 -05:00
vvfat.c
vvfat: Fix inherit_options flags
2018-03-19 12:01:39 +01:00
vxhs.c
…
win32-aio.c
…
write-threshold.c
Include less of the generated modular QAPI headers
2018-03-02 13:45:50 -06:00