diff options
| author | Christoph Hellwig <hch@lst.de> | 2011-08-22 00:25:58 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-08-23 17:41:14 +0200 |
| commit | e8045d6726b45e27812cc7504781859e8c3afffb (patch) | |
| tree | d316ed5583883f7e7b02afa0e4f0cda178713f3f | |
| parent | f785a5ae36c92fbeb8e0e8c9d71f5789cbce8b29 (diff) | |
block: include flush requests in info blockstats
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| -rw-r--r-- | block.c | 18 | ||||
| -rw-r--r-- | block_int.h | 1 | ||||
| -rw-r--r-- | qmp-commands.hx | 6 |
3 files changed, 20 insertions, 5 deletions
@@ -1915,11 +1915,13 @@ static void bdrv_stats_iter(QObject *data, void *opaque) " wr_bytes=%" PRId64 " rd_operations=%" PRId64 " wr_operations=%" PRId64 + " flush_operations=%" PRId64 "\n", qdict_get_int(qdict, "rd_bytes"), qdict_get_int(qdict, "wr_bytes"), qdict_get_int(qdict, "rd_operations"), - qdict_get_int(qdict, "wr_operations")); + qdict_get_int(qdict, "wr_operations"), + qdict_get_int(qdict, "flush_operations")); } void bdrv_stats_print(Monitor *mon, const QObject *data) @@ -1937,12 +1939,16 @@ static QObject* bdrv_info_stats_bs(BlockDriverState *bs) "'wr_bytes': %" PRId64 "," "'rd_operations': %" PRId64 "," "'wr_operations': %" PRId64 "," - "'wr_highest_offset': %" PRId64 + "'wr_highest_offset': %" PRId64 "," + "'flush_operations': %" PRId64 "} }", - bs->rd_bytes, bs->wr_bytes, - bs->rd_ops, bs->wr_ops, + bs->rd_bytes, + bs->wr_bytes, + bs->rd_ops, + bs->wr_ops, bs->wr_highest_sector * - (uint64_t)BDRV_SECTOR_SIZE); + (uint64_t)BDRV_SECTOR_SIZE, + bs->flush_ops); dict = qobject_to_qdict(res); if (*bs->device_name) { @@ -2606,6 +2612,8 @@ BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, trace_bdrv_aio_flush(bs, opaque); + bs->flush_ops++; + if (bs->open_flags & BDRV_O_NO_FLUSH) { return bdrv_aio_noop_em(bs, cb, opaque); } diff --git a/block_int.h b/block_int.h index f6d02b38a7..f1480d6ddd 100644 --- a/block_int.h +++ b/block_int.h @@ -188,6 +188,7 @@ struct BlockDriverState { uint64_t wr_bytes; uint64_t rd_ops; uint64_t wr_ops; + uint64_t flush_ops; uint64_t wr_highest_sector; /* Whether the disk can expand beyond total_sectors */ diff --git a/qmp-commands.hx b/qmp-commands.hx index 03f67da198..8570b33569 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1201,6 +1201,7 @@ Each json-object contain the following: - "wr_bytes": bytes written (json-int) - "rd_operations": read operations (json-int) - "wr_operations": write operations (json-int) + - "flush_operations": cache flush operations (json-int) - "wr_highest_offset": Highest offset of a sector written since the BlockDriverState has been opened (json-int) - "parent": Contains recursively the statistics of the underlying @@ -1222,6 +1223,7 @@ Example: "wr_operations":751, "rd_bytes":122567168, "rd_operations":36772 + "flush_operations":61, } }, "stats":{ @@ -1230,6 +1232,7 @@ Example: "wr_operations":692, "rd_bytes":122739200, "rd_operations":36604 + "flush_operations":51, } }, { @@ -1240,6 +1243,7 @@ Example: "wr_operations":0, "rd_bytes":0, "rd_operations":0 + "flush_operations":0, } }, { @@ -1250,6 +1254,7 @@ Example: "wr_operations":0, "rd_bytes":0, "rd_operations":0 + "flush_operations":0, } }, { @@ -1260,6 +1265,7 @@ Example: "wr_operations":0, "rd_bytes":0, "rd_operations":0 + "flush_operations":0, } } ] |