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Add "-r" option to sar-mem to collect free/used metrics #52

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Merged
k-rister merged 1 commit into from
Mar 19, 2026
Merged

Add "-r" option to sar-mem to collect free/used metrics #52

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63 changes: 63 additions & 0 deletions sysstat-post-process
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,9 @@ if (scalar @sar_files == 1) {
} elsif ( /(\d+:\d+:\d+)\s+%smem-10\s+%smem-60\s+%smem-300\s+%smem\s+%fmem-10\s+%fmem-60\s+%fmem-300\s+%fmem$/ ) {
#16:19:33 %smem-10 %smem-60 %smem-300 %smem %fmem-10 %fmem-60 %fmem-300 %fmem
$scan_mode = "memory-starved";
} elsif ( /(\d+:\d+:\d+)\s+kbmemfree\s+kbavail\s+kbmemused\s+%memused\s+kbbuffers\s+kbcached\s+kbcommit\s+%commit\s+kbactive\s+kbinact\s+kbdirty$/ ) {
#21:28:50 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty
$scan_mode = "memory-utilization";
}
elsif ($scan_mode eq "paging") {
if ( /(\d+):(\d+):(\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)\s+(\d+\.\d+)$/ ) {
Expand Down Expand Up @@ -230,6 +233,66 @@ if (scalar @sar_files == 1) {
} elsif ($_ eq '') {
$scan_mode = '';
}
} elsif ($scan_mode eq "memory-utilization") {
if ( /(\d+):(\d+):(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+\.\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+\.\d+)\s+(\d+)\s+(\d+)\s+(\d+)$/ ) {
#21:28:53 1865772 66317648 28872324 29.63 40 63292632 58318396 59.84 41768712 32304200 11020
my $hour = $1;
my $min = $2;
my $sec = $3;
my $kb_mem_free = $4;
my $kb_available = $5;
my $kb_mem_used = $6;
my $percent_mem_used = $7;
my $kb_buffers = $8;
my $kb_cached = $9;
my $kb_commit = $10;
my $percent_commit = $11;
my $kb_active = $12;
my $kb_inactive = $13;
my $kb_dirty = $14;
$hms_ms = get_hms_ms($hour, $min, $sec);
if (defined $prev_hms_ms and $prev_hms_ms > $hms_ms) {
# hour-minute-second is lower than last reading so one day has passed
$ymd_timestamp_ms = advance_ymd($ymd_timestamp_ms);
}
my %sample = ('end' => $ymd_timestamp_ms + $hms_ms);

$desc{'type'} = 'Memory-Free-KB';
$sample{'value'} = $kb_mem_free;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Available-KB';
$sample{'value'} = $kb_available;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Used-KB';
$sample{'value'} = $kb_mem_used;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Used-Percent';
$sample{'value'} = $percent_mem_used;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Buffers-KB';
$sample{'value'} = $kb_buffers;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Cached-KB';
$sample{'value'} = $kb_cached;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Commit-KB';
$sample{'value'} = $kb_commit;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Commit-Percent';
$sample{'value'} = $percent_commit;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Active-KB';
$sample{'value'} = $kb_active;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Inactive-KB';
$sample{'value'} = $kb_inactive;
log_sample($source, \%desc, \%no_names, \%sample);
$desc{'type'} = 'Memory-Dirty-KB';
$sample{'value'} = $kb_dirty;
log_sample($source, \%desc, \%no_names, \%sample);
} elsif ($_ eq '') {
$scan_mode = '';
}
}
} elsif ($source eq "sar-io") {
if ( /(\d+:\d+:\d+)\s+%sio-10\s+%sio-60\s+%sio-300\s+%sio\s+%fio-10\s+%fio-60\s+%fio-300\s+%fio$/ ) {
Expand Down
5 changes: 3 additions & 2 deletions sysstat-start
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,9 @@ for subtool in `echo $subtools | sed -e 's/,/ /g'`; do
echo "iostat pid is $iostat_pid"
;;
sar)
echo "Starting sar"
TZ=UTC S_TIME_FORMAT=ISO sar -n ALL -B -q ALL -W -H -m ALL -w $interval >sar-stdout.txt 2>sar-stderr.txt &
cmd=(sar -r -n ALL -B -q ALL -W -H -m ALL -w $interval)
echo "Starting sar: ${cmd[@]}"
TZ=UTC S_TIME_FORMAT=ISO "${cmd[@]}" >sar-stdout.txt 2>sar-stderr.txt &
sar_pid=$!
echo "$sar_pid" >>sysstat-pids.txt
echo "sar pid is $sar_pid"
Expand Down
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