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nvme: fix for nvme-cli > 2

This commit is contained in:
Andreas Perhab 2023-06-28 14:46:57 +02:00
parent b794cbaa6e
commit 698cf1e2fb
1 changed files with 41 additions and 0 deletions
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41
plugins/disk/nvme
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@ -94,6 +94,7 @@ None known.
=head1 AUTHOR
Kjetil Torgrim Homme <kjetil.homme@redpill-linpro.com>
Andreas Perhab, WT-IO-IT GmbH <andreas.perhab@wt-io-it.at>
=head1 LICENSE
@ -124,6 +125,10 @@ sub autoconf_problem {
sub run_nvme {
my (@cmd) = @_;
my @lines;
# make sure we cancel all LC_ variables for number formatting
# to get rid of thousands dots e.g. use 8814484 instead of 8.814.484 or 8,814,484
# and also get rid of scientific formatting e.g. 1.168384e-06
$ENV{LC_ALL} = "C";
if (can_run('nvme') && open(my $nvme, '-|', 'nvme', @cmd)) {
@lines = <$nvme>;
close($nvme);
@ -146,9 +151,15 @@ sub human_to_bytes {
}
sub nvme_list {
# version < 2
# Node SN Model Namespace Usage Format FW Rev
# ---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
# /dev/nvme1n1 S464NB0K601188N Samsung SSD 970 EVO 2TB 1 695.50 GB / 2.00 TB 512 B + 0 B 1B2QEXE7
# version > 2
# Node Generic SN Model Namespace Usage Format FW Rev
# --------------------- --------------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
# /dev/nvme1n1 /dev/ng1n1 23103F009522 Micron_3400_MTFDKBA1T0TFH 1 1.02 TB / 1.02 TB 512 B + 0 B P7MU002
# /dev/nvme0n1 /dev/ng0n1 23103F00956D Micron_3400_MTFDKBA1T0TFH 1 1.02 TB / 1.02 TB 512 B + 0 B P7MU002
my %devices;
my $recognised_output;
@ -156,7 +167,21 @@ sub nvme_list {
for (run_nvme('list')) {
++$lineno;
if (m:^Node\s+SN\s+Model\s+Namespace Usage:) {
# version < 2 header
++$recognised_output;
} elsif (m:^Node\s+Generic\s+SN\s+Model\s+Namespace\s+Usage\s+:) {
# version 2 header
++$recognised_output;
} elsif (m:^(/\S+)\s+(/\S+)\s+(\S+)\s+(\S.*\S)\s{3,}(\d+)\s+(\S+\s+.B)\s+/\s+(\S+\s+.B):) {
# version 2 data (first 2 columns start with /)
$devices{'SN_'.$3} = {
device => $1,
sn => $3,
model => $4,
namespace => $5,
usage => human_to_bytes($6),
capacity => human_to_bytes($7),
};
} elsif (m:^(/\S+)\s+(\S+)\s+(\S.*\S)\s{3,}(\d+)\s+(\S+\s+.B)\s+/\s+(\S+\s+.B):) {
$devices{'SN_'.$2} = {
device => $1,
@ -180,10 +205,26 @@ sub nvme_list {
sub smart_log {
my ($dev) = @_;
my %info;
# version < 2
# Smart Log for NVME device:nvme0 namespace-id:ffffffff
# ...
# data_units_read : 92220078
# data_units_written : 203504195
# ...
# version > 2
# Smart Log for NVME device:nvme0 namespace-id:ffffffff
# ...
# Data Units Read : 72034055 (36.88 TB)
# Data Units Written : 82741919 (42.36 TB)
# ...
for (run_nvme('smart-log', $dev)) {
next if /^Smart Log/;
if (/(.*?)\s+:\s+(.*)/) {
my ($var, $value) = ($1, $2);
# remove version 2 human readable numbers in brackets ... (1.2 GB)
if ($value =~ / \([0-9.]+ [KMGTP]?B\)$/) {
$value =~ s/ \([0-9.]+ [KMGTP]?B\)$//
}
$var =~ s/\s/_/g;
if ($value =~ /^\d+(,\d\d\d)+$/) {
$value =~ s/,//g;