1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
--- zfs-stats.orig 2020-10-07 13:06:33 UTC
+++ zfs-stats
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env -iS perl
#
# $Id$
#
@@ -46,7 +46,7 @@ use warnings;
use Getopt::Long;
Getopt::Long::Configure ("bundling");
-my $version = '1.3.0';
+my $version = '1.3.0_1';
my $usetunable = 1; # Change to 0 to disable sysctl MIB spill.
my $show_sysctl_descriptions = 0; # Change to 1 (or use the -d flag) to show sysctl descriptions.
@@ -201,6 +201,14 @@ sub fPerc {
} else { return sprintf('%0.' . $Decimal . 'f', 100) . "%"; }
}
+sub fRatio {
+ my $lVal = $_[0] // 0;
+ my $rVal = $_[1] // 1;
+ my $Decimal = $_[2] // 2;
+
+ return sprintf('%0.' . $Decimal . 'f', ($lVal / $rVal));
+}
+
my @Kstats = qw(
hw.machine
hw.machine_arch
@@ -215,12 +223,28 @@ my @Kstats = qw(
vm.kmem_size_min
vm.kmem_size_scale
vm.stats
- kstat.zfs
+ kstat.zfs.misc.abdstats
+ kstat.zfs.misc.arcstats
+ kstat.zfs.misc.dbufstats
+ kstat.zfs.misc.dmu_tx
+ kstat.zfs.misc.dnodestats
+ kstat.zfs.misc.fletcher_4_bench
+ kstat.zfs.misc.fm
+ kstat.zfs.misc.vdev_cache_stats
+ kstat.zfs.misc.vdev_mirror_stats
+ kstat.zfs.misc.vdev_raidz_bench
+ kstat.zfs.misc.xuio_stats
+ kstat.zfs.misc.zfetchstats
+ kstat.zfs.misc.zil
+ kstat.zfs.misc.zstd
vfs.zfs
);
+my $IsOpenZFS = 1;
+
sub _start {
my $daydate = localtime; chomp $daydate;
+ $IsOpenZFS = defined($Kstat->{"vfs.zfs.vdev.cache_size"});
div1;
printf("ZFS Subsystem Report\t\t\t\t%s", $daydate);
div2;
@@ -330,17 +354,16 @@ sub _arc_summary {
my $deleted = $Kstat->{"kstat.zfs.misc.arcstats.deleted"};
my $evict_skip = $Kstat->{"kstat.zfs.misc.arcstats.evict_skip"};
my $mutex_miss = $Kstat->{"kstat.zfs.misc.arcstats.mutex_miss"};
- my $recycle_miss = $Kstat->{"kstat.zfs.misc.arcstats.recycle_miss"};
print "ARC Misc:\n";
printf("\tDeleted:\t\t\t\t%s\n", fHits($deleted));
- printf("\tRecycle Misses:\t\t\t\t%s\n", fHits($recycle_miss));
printf("\tMutex Misses:\t\t\t\t%s\n", fHits($mutex_miss));
printf("\tEvict Skips:\t\t\t\t%s\n", fHits($evict_skip));
print "\n";
### ARC Sizing ###
my $arc_size = $Kstat->{"kstat.zfs.misc.arcstats.size"};
+ my $arc_uncompressed_size = $Kstat->{"kstat.zfs.misc.arcstats.uncompressed_size"};
my $mru_size = $Kstat->{"kstat.zfs.misc.arcstats.p"};
my $target_max_size = $Kstat->{"kstat.zfs.misc.arcstats.c_max"};
my $target_min_size = $Kstat->{"kstat.zfs.misc.arcstats.c_min"};
@@ -356,7 +379,12 @@ sub _arc_summary {
fPerc($target_min_size, $target_max_size), fBytes($target_min_size));
printf("\tMax Size (High Water):\t\t%d:1\t%s\n",
$target_size_ratio, fBytes($target_max_size));
+ printf("\tDecompressed Data Size:\t\t\t%s\n",
+ fBytes($arc_uncompressed_size));
+ printf("\tCompression Factor:\t\t\t%s\n",
+ fRatio($arc_uncompressed_size, $arc_size));
+
print "\nARC Size Breakdown:\n";
if ($arc_size > $target_size) {
my $mfu_size = ($arc_size - $mru_size);
@@ -424,7 +452,7 @@ sub _arc_efficiency {
printf("\tData Demand Efficiency:\t\t%s\t%s\n",
fPerc($demand_data_hits, $demand_data_total), fHits($demand_data_total));
- if ($prefetch_data_total > 0){
+ if ($prefetch_data_total > 0){
printf("\tData Prefetch Efficiency:\t%s\t%s\n",
fPerc($prefetch_data_hits, $prefetch_data_total), fHits($prefetch_data_total));
}
@@ -474,6 +502,7 @@ sub _l2arc_summary {
return;
}
+ my $l2_asize = $Kstat->{"kstat.zfs.misc.arcstats.l2_asize"};
my $l2_abort_lowmem = $Kstat->{"kstat.zfs.misc.arcstats.l2_abort_lowmem"};
my $l2_cksum_bad = $Kstat->{"kstat.zfs.misc.arcstats.l2_cksum_bad"};
my $l2_evict_lock_retry = $Kstat->{"kstat.zfs.misc.arcstats.l2_evict_lock_retry"};
@@ -493,14 +522,13 @@ sub _l2arc_summary {
my $l2_write_full = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_full"};
my $l2_write_in_l2 = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_in_l2"};
my $l2_write_io_in_progress = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_io_in_progress"};
- my $l2_write_not_cacheable = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_not_cacheable"};
+ #my $l2_write_not_cacheable = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_not_cacheable"};
my $l2_write_passed_headroom = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_passed_headroom"};
- my $l2_write_pios = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_pios"};
+ #my $l2_write_pios = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_pios"};
my $l2_write_spa_mismatch = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_spa_mismatch"};
my $l2_write_trylock_fail = $Kstat->{"kstat.zfs.misc.arcstats.l2_write_trylock_fail"};
my $l2_writes_done = $Kstat->{"kstat.zfs.misc.arcstats.l2_writes_done"};
my $l2_writes_error = $Kstat->{"kstat.zfs.misc.arcstats.l2_writes_error"};
- my $l2_writes_hdr_miss = $Kstat->{"kstat.zfs.misc.arcstats.l2_writes_hdr_miss"};
my $l2_writes_sent = $Kstat->{"kstat.zfs.misc.arcstats.l2_writes_sent"};
my $l2_access_total = ($l2_hits + $l2_misses);
@@ -510,19 +538,28 @@ sub _l2arc_summary {
if ($l2_health_count > 0) {
print "(DEGRADED)\n";
} else { print "(HEALTHY)\n"; }
- printf("\tPassed Headroom:\t\t\t%s\n", fHits($l2_write_passed_headroom));
- printf("\tTried Lock Failures:\t\t\t%s\n", fHits($l2_write_trylock_fail));
- printf("\tIO In Progress:\t\t\t\t%s\n", fHits($l2_write_io_in_progress));
+
+ if (not $IsOpenZFS) {
+ printf("\tPassed Headroom:\t\t\t%s\n", fHits($l2_write_passed_headroom));
+ printf("\tTried Lock Failures:\t\t\t%s\n", fHits($l2_write_trylock_fail));
+ printf("\tIO In Progress:\t\t\t\t%s\n", fHits($l2_write_io_in_progress));
+ }
printf("\tLow Memory Aborts:\t\t\t%s\n", fHits($l2_abort_lowmem));
printf("\tFree on Write:\t\t\t\t%s\n", fHits($l2_free_on_write));
- printf("\tWrites While Full:\t\t\t%s\n", fHits($l2_write_full));
+ if (not $IsOpenZFS) {
+ printf("\tWrites While Full:\t\t\t%s\n", fHits($l2_write_full));
+ }
printf("\tR/W Clashes:\t\t\t\t%s\n", fHits($l2_rw_clash));
printf("\tBad Checksums:\t\t\t\t%s\n", fHits($l2_cksum_bad));
printf("\tIO Errors:\t\t\t\t%s\n", fHits($l2_io_error));
- printf("\tSPA Mismatch:\t\t\t\t%s\n", fHits($l2_write_spa_mismatch));
+ if (not $IsOpenZFS) {
+ printf("\tSPA Mismatch:\t\t\t\t%s\n", fHits($l2_write_spa_mismatch));
+ }
print "\n";
- printf("L2 ARC Size: (Adaptive)\t\t\t\t%s\n", fBytes($l2_size));
+ printf("L2 ARC Size: (Adaptive)\t\t\t\t%s\n", fBytes($l2_asize));
+ printf("\tDecompressed Data Size:\t\t\t%s\n", fBytes($l2_size));
+ printf("\tCompression Factor:\t\t\t%s\n", fRatio($l2_size, $l2_asize));
printf("\tHeader Size:\t\t\t%s\t%s\n",
fPerc($l2_hdr_size, $l2_size), fBytes($l2_hdr_size));
print "\n";
@@ -541,12 +578,14 @@ sub _l2arc_summary {
printf("\tFeeds:\t\t\t\t\t%s\n", fHits($l2_feeds));
print "\n";
- print "L2 ARC Buffer:\n";
- printf("\tBytes Scanned:\t\t\t\t%s\n", fBytes($l2_write_buffer_bytes_scanned));
- printf("\tBuffer Iterations:\t\t\t%s\n", fHits($l2_write_buffer_iter));
- printf("\tList Iterations:\t\t\t%s\n", fHits($l2_write_buffer_list_iter));
- printf("\tNULL List Iterations:\t\t\t%s\n", fHits($l2_write_buffer_list_null_iter));
- print "\n";
+ if (not $IsOpenZFS) {
+ print "L2 ARC Buffer:\n";
+ printf("\tBytes Scanned:\t\t\t\t%s\n", fBytes($l2_write_buffer_bytes_scanned));
+ printf("\tBuffer Iterations:\t\t\t%s\n", fHits($l2_write_buffer_iter));
+ printf("\tList Iterations:\t\t\t%s\n", fHits($l2_write_buffer_list_iter));
+ printf("\tNULL List Iterations:\t\t\t%s\n", fHits($l2_write_buffer_list_null_iter));
+ print "\n";
+ }
print "L2 ARC Writes:\n";
if ($l2_writes_done != $l2_writes_sent) {
@@ -582,7 +621,7 @@ sub _vdev_summary {
my $vdev_cache_hits = $Kstat->{"kstat.zfs.misc.vdev_cache_stats.hits"};
my $vdev_cache_total = ($vdev_cache_misses + $vdev_cache_hits + $vdev_cache_delegations);
- if ($Kstat->{"vfs.zfs.vdev.cache.size"} == 0) {
+ if (($IsOpenZFS ? $Kstat->{"vfs.zfs.vdev.cache_size"} : $Kstat->{"vfs.zfs.vdev.cache.size"}) == 0) {
printf "VDEV cache is disabled\n";
} elsif ($vdev_cache_total > 0) {
printf("VDEV Cache Summary:\t\t\t\t%s\n", fHits($vdev_cache_total));
|
