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authorTony Hutter <[email protected]>2018-11-08 16:47:24 -0800
committerBrian Behlendorf <[email protected]>2018-11-08 16:47:24 -0800
commitad796b8a3b2565bcd9c7460b7bf9154e4850ca93 (patch)
tree645cc21be6d49c034f00273276caa82ce59702a7 /include/sys/fs
parent877d925a9e816337bb62ee61d564118db0181477 (diff)
Add zpool status -s (slow I/Os) and -p (parseable)
This patch adds a new slow I/Os (-s) column to zpool status to show the number of VDEV slow I/Os. This is the number of I/Os that didn't complete in zio_slow_io_ms milliseconds. It also adds a new parsable (-p) flag to display exact values. NAME STATE READ WRITE CKSUM SLOW testpool ONLINE 0 0 0 - mirror-0 ONLINE 0 0 0 - loop0 ONLINE 0 0 0 20 loop1 ONLINE 0 0 0 0 Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #7756 Closes #6885
Diffstat (limited to 'include/sys/fs')
-rw-r--r--include/sys/fs/zfs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 4f0e13dfd..05b7685f5 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -665,6 +665,9 @@ typedef struct zpool_load_policy {
#define ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO "vdev_async_agg_w_histo"
#define ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO "vdev_agg_scrub_histo"
+/* Number of slow IOs */
+#define ZPOOL_CONFIG_VDEV_SLOW_IOS "vdev_slow_ios"
+
/* vdev enclosure sysfs path */
#define ZPOOL_CONFIG_VDEV_ENC_SYSFS_PATH "vdev_enc_sysfs_path"
@@ -990,6 +993,7 @@ typedef struct vdev_stat {
uint64_t vs_fragmentation; /* device fragmentation */
uint64_t vs_checkpoint_space; /* checkpoint-consumed space */
uint64_t vs_resilver_deferred; /* resilver deferred */
+ uint64_t vs_slow_ios; /* slow IOs */
} vdev_stat_t;
/*