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enh(linux/local): memory mode - add memory available (#3240)

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qgarnier 2021-11-10 16:52:59 +01:00 committed by GitHub
parent 974bd6a25e
commit a5a5e7902c
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1 changed files with 35 additions and 9 deletions
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36
os/linux/local/mode/memory.pm
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@ -29,13 +29,16 @@ sub custom_memory_output {
my ($self, %options) = @_; my ($self, %options) = @_;
return sprintf( return sprintf(
'Ram total: %s %s used (-%s): %s %s (%.2f%%) free: %s %s (%.2f%%)', 'Ram total: %s %s used (-%s): %s %s (%.2f%%) free: %s %s (%.2f%%) available: %s %s (%.2f%%)',
$self->{perfdata}->change_bytes(value => $self->{result_values}->{total}), $self->{perfdata}->change_bytes(value => $self->{result_values}->{total}),
$self->{result_values}->{used_desc}, $self->{result_values}->{used_desc},
$self->{perfdata}->change_bytes(value => $self->{result_values}->{used}), $self->{perfdata}->change_bytes(value => $self->{result_values}->{used}),
$self->{result_values}->{prct_used}, $self->{result_values}->{prct_used},
$self->{perfdata}->change_bytes(value => $self->{result_values}->{free}), $self->{perfdata}->change_bytes(value => $self->{result_values}->{free}),
$self->{result_values}->{prct_free} $self->{result_values}->{prct_free},
$self->{perfdata}->change_bytes(value => $self->{result_values}->{available}),
$self->{result_values}->{prct_available},
); );
} }
@ -62,7 +65,7 @@ sub set_counters {
$self->{maps_counters}->{memory} = [ $self->{maps_counters}->{memory} = [
{ label => 'memory-usage', nlabel => 'memory.usage.bytes', set => { { label => 'memory-usage', nlabel => 'memory.usage.bytes', set => {
key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' } ], key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' }, { name => 'available' }, { name => 'prct_available' } ],
closure_custom_output => $self->can('custom_memory_output'), closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [ perfdatas => [
{ template => '%d', min => 0, max => 'total', unit => 'B' } { template => '%d', min => 0, max => 'total', unit => 'B' }
@ -70,7 +73,7 @@ sub set_counters {
} }
}, },
{ label => 'memory-usage-free', nlabel => 'memory.free.bytes', display_ok => 0, set => { { label => 'memory-usage-free', nlabel => 'memory.free.bytes', display_ok => 0, set => {
key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' } ], key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' }, { name => 'available' }, { name => 'prct_available' } ],
closure_custom_output => $self->can('custom_memory_output'), closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [ perfdatas => [
{ template => '%d', min => 0, max => 'total', unit => 'B' } { template => '%d', min => 0, max => 'total', unit => 'B' }
@ -78,7 +81,23 @@ sub set_counters {
} }
}, },
{ label => 'memory-usage-prct', nlabel => 'memory.usage.percentage', display_ok => 0, set => { { label => 'memory-usage-prct', nlabel => 'memory.usage.percentage', display_ok => 0, set => {
key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' } ], key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' }, { name => 'available' }, { name => 'prct_available' } ],
closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [
{ template => '%.2f', min => 0, max => 100, unit => '%' }
]
}
},
{ label => 'memory-available', nlabel => 'memory.available.bytes', display_ok => 0, set => {
key_values => [ { name => 'available' }, { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' }, { name => 'prct_available' } ],
closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [
{ template => '%d', min => 0, max => 'total', unit => 'B' }
]
}
},
{ label => 'memory-available-prct', nlabel => 'memory.available.percentage', display_ok => 0, set => {
key_values => [ { name => 'prct_available' }, { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'prct_free' }, { name => 'total' }, { name => 'used_desc' }, { name => 'available' } ],
closure_custom_output => $self->can('custom_memory_output'), closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [ perfdatas => [
{ template => '%.2f', min => 0, max => 100, unit => '%' } { template => '%.2f', min => 0, max => 100, unit => '%' }
@ -176,6 +195,7 @@ sub manage_selection {
# Buffer can be missing. In Openvz container for example. # Buffer can be missing. In Openvz container for example.
my $buffer_used = 0; my $buffer_used = 0;
my $available = 0;
my ($cached_used, $free, $total_size, $slab_used, $swap_total, $swap_free); my ($cached_used, $free, $total_size, $slab_used, $swap_total, $swap_free);
foreach (split(/\n/, $stdout)) { foreach (split(/\n/, $stdout)) {
if (/^MemTotal:\s+(\d+)/i) { if (/^MemTotal:\s+(\d+)/i) {
@ -192,6 +212,8 @@ sub manage_selection {
$swap_total = $1 * 1024; $swap_total = $1 * 1024;
} elsif (/^SwapFree:\s+(\d+)/i) { } elsif (/^SwapFree:\s+(\d+)/i) {
$swap_free = $1 * 1024; $swap_free = $1 * 1024;
} elsif (/^MemAvailable:\s+(\d+)/i) {
$available = $1 * 1024;
} }
} }
@ -218,6 +240,8 @@ sub manage_selection {
prct_used => $nobuf_used * 100 / $total_size, prct_used => $nobuf_used * 100 / $total_size,
prct_free => 100 - ($nobuf_used * 100 / $total_size), prct_free => 100 - ($nobuf_used * 100 / $total_size),
used_desc => $used_desc, used_desc => $used_desc,
available => $available,
prct_available => $available * 100 / $total_size,
buffer => $buffer_used, buffer => $buffer_used,
cache => $cached_used, cache => $cached_used,
@ -256,9 +280,11 @@ Check swap also.
Thresholds. Thresholds.
Can be: 'memory-usage' (B), 'memory-usage-free' (B), 'memory-usage-prct' (%), Can be: 'memory-usage' (B), 'memory-usage-free' (B), 'memory-usage-prct' (%),
'memory-available' (B), 'memory-available-prct' (%),
'swap' (B), 'swap-free' (B), 'swap-prct' (%), 'swap' (B), 'swap-free' (B), 'swap-prct' (%),
'buffer' (B), 'cached' (B), 'slab' (B). 'buffer' (B), 'cached' (B), 'slab' (B).
=back =back
=cut =cut