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Extend zpool-iostat to account for ZIO_PRIORITY_REBUILD (#12319)

Browse Source 
Previously, zpool-iostat did not display any data regarding rebuild I/Os
in either the latency/size histograms (-w/-l/-r) or the queue data (-q).
This fix essentially utilizes the existing infrastructure for tracking
rebuild queue data and displays this data in the proper places within
zpool-iostat's output.

Signed-off-by: Trevor Bautista <tbautista@newmexicoconsortium.org>
Signed-off-by: Trevor Bautista <tbautista@lanl.gov>
Co-authored-by: Trevor Bautista <tbautista@newmexicoconsortium.org>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
This commit is contained in:
Trevor Bautista 2021-08-26 11:26:49 -07:00 committed by GitHub
parent b0f3f393d1
commit 00888c0898
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 62 additions and 15 deletions
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30
cmd/zpool/zpool_main.c
View File

@ -211,7 +211,7 @@ enum iostat_type {
* of all the nvlists a flag requires. Also specifies the order in
* which data gets printed in zpool iostat.
*/
static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
static const char *vsx_type_to_nvlist[IOS_COUNT][15] = {
[IOS_L_HISTO] = {
ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
@ -223,6 +223,7 @@ static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
NULL},
[IOS_LATENCY] = {
ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
@ -230,6 +231,7 @@ static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
NULL},
[IOS_QUEUES] = {
ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
@ -238,6 +240,7 @@ static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE,
NULL},
[IOS_RQ_HISTO] = {
ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO,
@ -252,6 +255,8 @@ static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO,
ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO,
ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO,
ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO,
ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO,
NULL},
};
@ -3844,22 +3849,23 @@ typedef struct name_and_columns {
unsigned int columns; /* Center name to this number of columns */
} name_and_columns_t;
#define IOSTAT_MAX_LABELS 13 /* Max number of labels on one line */
#define IOSTAT_MAX_LABELS 15 /* Max number of labels on one line */
static const name_and_columns_t iostat_top_labels[][IOSTAT_MAX_LABELS] =
{
[IOS_DEFAULT] = {{"capacity", 2}, {"operations", 2}, {"bandwidth", 2},
{NULL}},
[IOS_LATENCY] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
{"asyncq_wait", 2}, {"scrub", 1}, {"trim", 1}, {NULL}},
{"asyncq_wait", 2}, {"scrub", 1}, {"trim", 1}, {"rebuild", 1},
{NULL}},
[IOS_QUEUES] = {{"syncq_read", 2}, {"syncq_write", 2},
{"asyncq_read", 2}, {"asyncq_write", 2}, {"scrubq_read", 2},
{"trimq_write", 2}, {NULL}},
{"trimq_write", 2}, {"rebuildq_write", 2}, {NULL}},
[IOS_L_HISTO] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
{"asyncq_wait", 2}, {NULL}},
[IOS_RQ_HISTO] = {{"sync_read", 2}, {"sync_write", 2},
{"async_read", 2}, {"async_write", 2}, {"scrub", 2},
{"trim", 2}, {NULL}},
{"trim", 2}, {"rebuild", 2}, {NULL}},
};
/* Shorthand - if "columns" field not set, default to 1 column */
@ -3868,14 +3874,17 @@ static const name_and_columns_t iostat_bottom_labels[][IOSTAT_MAX_LABELS] =
[IOS_DEFAULT] = {{"alloc"}, {"free"}, {"read"}, {"write"}, {"read"},
{"write"}, {NULL}},
[IOS_LATENCY] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
{"write"}, {"read"}, {"write"}, {"wait"}, {"wait"}, {NULL}},
{"write"}, {"read"}, {"write"}, {"wait"}, {"wait"}, {"wait"},
{NULL}},
[IOS_QUEUES] = {{"pend"}, {"activ"}, {"pend"}, {"activ"}, {"pend"},
{"activ"}, {"pend"}, {"activ"}, {"pend"}, {"activ"},
{"pend"}, {"activ"}, {NULL}},
{"pend"}, {"activ"}, {"pend"}, {"activ"}, {NULL}},
[IOS_L_HISTO] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
{"write"}, {"read"}, {"write"}, {"scrub"}, {"trim"}, {NULL}},
{"write"}, {"read"}, {"write"}, {"scrub"}, {"trim"}, {"rebuild"},
{NULL}},
[IOS_RQ_HISTO] = {{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"}, {NULL}},
{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
{"ind"}, {"agg"}, {NULL}},
};
static const char *histo_to_title[] = {
@ -4507,6 +4516,8 @@ print_iostat_queues(iostat_cbdata_t *cb, nvlist_t *oldnv,
ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE,
ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE,
ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE,
};
struct stat_array *nva;
@ -4546,6 +4557,7 @@ print_iostat_latency(iostat_cbdata_t *cb, nvlist_t *oldnv,
ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
};
struct stat_array *nva;

7
cmd/zpool_influxdb/zpool_influxdb.c
View File

@ -411,6 +411,7 @@ print_vdev_latency_stats(nvlist_t *nvroot, const char *pool_name,
#ifdef ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO
{ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO, "trim", 0},
#endif
{ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO, "rebuild", 0},
{NULL, NULL}
};
@ -506,6 +507,8 @@ print_vdev_size_stats(nvlist_t *nvroot, const char *pool_name,
{ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO, "trim_write_ind"},
{ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO, "trim_write_agg"},
#endif
{ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO, "rebuild_write_ind"},
{ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO, "rebuild_write_agg"},
{NULL, NULL}
};
@ -585,11 +588,13 @@ print_queue_stats(nvlist_t *nvroot, const char *pool_name,
{ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE, "async_r_active"},
{ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE, "async_w_active"},
{ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE, "async_scrub_active"},
{ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE, "rebuild_active"},
{ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE, "sync_r_pend"},
{ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE, "sync_w_pend"},
{ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE, "async_r_pend"},
{ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE, "async_w_pend"},
{ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE, "async_scrub_pend"},
{ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE, "rebuild_pend"},
{NULL, NULL}
};
@ -636,11 +641,13 @@ print_top_level_vdev_stats(nvlist_t *nvroot, const char *pool_name)
{ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE, "async_r_active_queue"},
{ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE, "async_w_active_queue"},
{ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE, "async_scrub_active_queue"},
{ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE, "rebuild_active_queue"},
{ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE, "sync_r_pend_queue"},
{ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE, "sync_w_pend_queue"},
{ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE, "async_r_pend_queue"},
{ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE, "async_w_pend_queue"},
{ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE, "async_scrub_pend_queue"},
{ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE, "rebuild_pend_queue"},
{NULL, NULL}
};

5
include/sys/fs/zfs.h
View File

@ -643,6 +643,7 @@ typedef struct zpool_load_policy {
#define ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE "vdev_async_w_active_queue"
#define ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE "vdev_async_scrub_active_queue"
#define ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE "vdev_async_trim_active_queue"
#define ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE "vdev_rebuild_active_queue"
/* Queue sizes */
#define ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE "vdev_sync_r_pend_queue"
@ -651,6 +652,7 @@ typedef struct zpool_load_policy {
#define ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE "vdev_async_w_pend_queue"
#define ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE "vdev_async_scrub_pend_queue"
#define ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE "vdev_async_trim_pend_queue"
#define ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE "vdev_rebuild_pend_queue"
/* Latency read/write histogram stats */
#define ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO "vdev_tot_r_lat_histo"
@ -663,6 +665,7 @@ typedef struct zpool_load_policy {
#define ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO "vdev_async_w_lat_histo"
#define ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO "vdev_scrub_histo"
#define ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO "vdev_trim_histo"
#define ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO "vdev_rebuild_histo"
/* Request size histograms */
#define ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO "vdev_sync_ind_r_histo"
@ -671,12 +674,14 @@ typedef struct zpool_load_policy {
#define ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO "vdev_async_ind_w_histo"
#define ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO "vdev_ind_scrub_histo"
#define ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO "vdev_ind_trim_histo"
#define ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO "vdev_ind_rebuild_histo"
#define ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO "vdev_sync_agg_r_histo"
#define ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO "vdev_sync_agg_w_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO "vdev_async_agg_r_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO "vdev_async_agg_w_histo"
#define ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO "vdev_agg_scrub_histo"
#define ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO "vdev_agg_trim_histo"
#define ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO "vdev_agg_rebuild_histo"
/* Number of slow IOs */
#define ZPOOL_CONFIG_VDEV_SLOW_IOS "vdev_slow_ios"

8
man/man8/zpool-iostat.8
View File

@ -201,6 +201,9 @@ Does not include disk time.
.It Sy scrub
Amount of time I/O spent in scrub queue.
Does not include disk time.
.It Sy rebuild
Amount of time I/O spent in rebuild queue.
Does not include disk time.
.El
.It Fl l
Include average latency statistics:
@ -221,6 +224,9 @@ Does not include disk time.
.It Sy trim
Average queuing time in trim queue.
Does not include disk time.
.It Sy rebuild
Average queuing time in rebuild queue.
Does not include disk time.
.El
.It Fl q
Include active queue statistics.
@ -242,6 +248,8 @@ Current number of entries in asynchronous priority queues.
Current number of entries in scrub queue.
.It Sy trimq_write
Current number of entries in trim queue.
.It Sy rebuildq_write
Current number of entries in rebuild queue.
.El
.Pp
All queue statistics are instantaneous measurements of the number of

9
module/zfs/vdev.c
View File

@ -4583,13 +4583,10 @@ vdev_stat_update(zio_t *zio, uint64_t psize)
* ZIO_PRIORITY_ASYNC_READ,
* ZIO_PRIORITY_ASYNC_WRITE,
* ZIO_PRIORITY_SCRUB,
* ZIO_PRIORITY_TRIM.
* ZIO_PRIORITY_TRIM,
* ZIO_PRIORITY_REBUILD.
*/
if (priority == ZIO_PRIORITY_REBUILD) {
priority = ((type == ZIO_TYPE_WRITE) ?
ZIO_PRIORITY_ASYNC_WRITE :
ZIO_PRIORITY_SCRUB);
} else if (priority == ZIO_PRIORITY_INITIALIZING) {
if (priority == ZIO_PRIORITY_INITIALIZING) {
ASSERT3U(type, ==, ZIO_TYPE_WRITE);
priority = ZIO_PRIORITY_ASYNC_WRITE;
} else if (priority == ZIO_PRIORITY_REMOVAL) {

18
module/zfs/vdev_label.c
View File

@ -256,6 +256,9 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
vsx->vsx_active_queue[ZIO_PRIORITY_TRIM]);
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE,
vsx->vsx_active_queue[ZIO_PRIORITY_REBUILD]);
/* ZIOs pending */
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE,
vsx->vsx_pend_queue[ZIO_PRIORITY_SYNC_READ]);
@ -275,6 +278,9 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE,
vsx->vsx_pend_queue[ZIO_PRIORITY_TRIM]);
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE,
vsx->vsx_pend_queue[ZIO_PRIORITY_REBUILD]);
/* Histograms */
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
vsx->vsx_total_histo[ZIO_TYPE_READ],
@ -316,6 +322,10 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
vsx->vsx_queue_histo[ZIO_PRIORITY_TRIM],
ARRAY_SIZE(vsx->vsx_queue_histo[ZIO_PRIORITY_TRIM]));
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
vsx->vsx_queue_histo[ZIO_PRIORITY_REBUILD],
ARRAY_SIZE(vsx->vsx_queue_histo[ZIO_PRIORITY_REBUILD]));
/* Request sizes */
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO,
vsx->vsx_ind_histo[ZIO_PRIORITY_SYNC_READ],
@ -341,6 +351,10 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
vsx->vsx_ind_histo[ZIO_PRIORITY_TRIM],
ARRAY_SIZE(vsx->vsx_ind_histo[ZIO_PRIORITY_TRIM]));
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO,
vsx->vsx_ind_histo[ZIO_PRIORITY_REBUILD],
ARRAY_SIZE(vsx->vsx_ind_histo[ZIO_PRIORITY_REBUILD]));
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO,
vsx->vsx_agg_histo[ZIO_PRIORITY_SYNC_READ],
ARRAY_SIZE(vsx->vsx_agg_histo[ZIO_PRIORITY_SYNC_READ]));
@ -365,6 +379,10 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
vsx->vsx_agg_histo[ZIO_PRIORITY_TRIM],
ARRAY_SIZE(vsx->vsx_agg_histo[ZIO_PRIORITY_TRIM]));
fnvlist_add_uint64_array(nvx, ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO,
vsx->vsx_agg_histo[ZIO_PRIORITY_REBUILD],
ARRAY_SIZE(vsx->vsx_agg_histo[ZIO_PRIORITY_REBUILD]));
/* IO delays */
fnvlist_add_uint64(nvx, ZPOOL_CONFIG_VDEV_SLOW_IOS, vs->vs_slow_ios);