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| author | Anton Nefedov <anton.nefedov@virtuozzo.com> | 2019-09-23 15:17:37 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2019-10-10 10:56:18 +0200 |
| commit | d924559953c0b679582548d8fd8af025667051e3 (patch) | |
| tree | 78ed49162199ff0a33f6ff6c1497bf2881107da0 /block | |
| parent | 1c450366365a01c5c1c354af68b8aac5cf5f18c9 (diff) | |
| download | qemu-d924559953c0b679582548d8fd8af025667051e3.zip qemu-d924559953c0b679582548d8fd8af025667051e3.tar.gz qemu-d924559953c0b679582548d8fd8af025667051e3.tar.bz2 | |
qapi: query-blockstat: add driver specific file-posix stats
A block driver can provide a callback to report driver-specific
statistics.
file-posix driver now reports discard statistics
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20190923121737.83281-10-anton.nefedov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/file-posix.c | 32 | ||||
| -rw-r--r-- | block/qapi.c | 5 |
2 files changed, 37 insertions, 0 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index f3934c4..695fcf7 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -2753,6 +2753,36 @@ static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) return 0; } +static BlockStatsSpecificFile get_blockstats_specific_file(BlockDriverState *bs) +{ + BDRVRawState *s = bs->opaque; + return (BlockStatsSpecificFile) { + .discard_nb_ok = s->stats.discard_nb_ok, + .discard_nb_failed = s->stats.discard_nb_failed, + .discard_bytes_ok = s->stats.discard_bytes_ok, + }; +} + +static BlockStatsSpecific *raw_get_specific_stats(BlockDriverState *bs) +{ + BlockStatsSpecific *stats = g_new(BlockStatsSpecific, 1); + + stats->driver = BLOCKDEV_DRIVER_FILE; + stats->u.file = get_blockstats_specific_file(bs); + + return stats; +} + +static BlockStatsSpecific *hdev_get_specific_stats(BlockDriverState *bs) +{ + BlockStatsSpecific *stats = g_new(BlockStatsSpecific, 1); + + stats->driver = BLOCKDEV_DRIVER_HOST_DEVICE; + stats->u.host_device = get_blockstats_specific_file(bs); + + return stats; +} + static QemuOptsList raw_create_opts = { .name = "raw-create-opts", .head = QTAILQ_HEAD_INITIALIZER(raw_create_opts.head), @@ -2960,6 +2990,7 @@ BlockDriver bdrv_file = { .bdrv_get_info = raw_get_info, .bdrv_get_allocated_file_size = raw_get_allocated_file_size, + .bdrv_get_specific_stats = raw_get_specific_stats, .bdrv_check_perm = raw_check_perm, .bdrv_set_perm = raw_set_perm, .bdrv_abort_perm_update = raw_abort_perm_update, @@ -3438,6 +3469,7 @@ static BlockDriver bdrv_host_device = { .bdrv_get_info = raw_get_info, .bdrv_get_allocated_file_size = raw_get_allocated_file_size, + .bdrv_get_specific_stats = hdev_get_specific_stats, .bdrv_check_perm = raw_check_perm, .bdrv_set_perm = raw_set_perm, .bdrv_abort_perm_update = raw_abort_perm_update, diff --git a/block/qapi.c b/block/qapi.c index 69c35c4..9a5d0c9 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -543,6 +543,11 @@ static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs, s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); + s->driver_specific = bdrv_get_specific_stats(bs); + if (s->driver_specific) { + s->has_driver_specific = true; + } + if (bs->file) { s->has_parent = true; s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level); |