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improved the way how the process' uptime is collected #311

This commit is contained in:
Jordi Sanfeliu 2022-01-13 11:43:22 +01:00
parent 7d3f2383ee
commit cd5d991927
1 changed files with 11 additions and 9 deletions
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20
lib/process.pm
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@ -156,6 +156,8 @@ sub process_update {
my $n;
my $rrdata = "N";
my $ticks = `getconf CLK_TCK`;
my ($sysuptime) = split(' ', `cat /proc/uptime`);
my $e = 0;
foreach my $pg (sort keys %{$process->{list}}) {
@ -179,34 +181,30 @@ sub process_update {
my $s_usage = 0;
# check if that process is running
if(open(IN, "ps -eo pid,comm,etimes,command |")) {
if(open(IN, "ps -eo pid,comm,command |")) {
my $pidwidth = length(`cat /proc/sys/kernel/pid_max`);
while(<IN>) {
if(m/^\s*(\d+)\s+(\S+)\s*(\d+)\s+(.*?)$/) {
if(m/^\s*(\d+)\s+(\S+)\s+(.*?)$/) {
if($p eq trim($2)) {
push(@pids, $1);
$pro++;
$upt = $3 if !$upt;
next;
}
if($p eq trim($4)) {
if($p eq trim($3)) {
push(@pids, $1);
$pro++;
$upt = $3 if !$upt;
next;
}
if(index($4, $p) != -1) {
if(index($3, $p) != -1) {
push(@pids, $1);
$pro++;
$upt = $3 if !$upt;
next;
}
}
if(substr($p, 0, 15) eq substr($_, $pidwidth, 15)) {
push(@pids, $1);
$pro++;
$upt = $3 if !$upt;
next;
}
}
@ -230,6 +228,7 @@ sub process_update {
my $utime = 0;
my $stime = 0;
my $v_nth = 0;
my $starttime = 0;
my $v_mem = 0;
my $rest;
@ -238,10 +237,13 @@ sub process_update {
(undef, $rest) = <IN> =~ m/^(\d+\s\(.*?\)\s\S\s)(.*?)$/;
close(IN);
if($rest) {
(undef, undef, undef, undef, undef, undef, undef, undef, undef, undef, $utime, $stime, undef, undef, undef, undef, $v_nth, undef, undef, undef, $v_mem) = split(' ', $rest);
(undef, undef, undef, undef, undef, undef, undef, undef, undef, undef, $utime, $stime, undef, undef, undef, undef, $v_nth, undef, $starttime, undef, $v_mem) = split(' ', $rest);
$mem += ($v_mem *= 4096);
$nth += ($v_nth - 1);
$p_usage += $utime + $stime;
$starttime /= $ticks;
my $diff = $sysuptime - $starttime;
$upt = $diff unless $diff < $upt;
} else {
logger("$myself: WARNING: PID $pid ('$p') has vanished while accounting!");
}