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add get_pressure_stat

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2021-02-07 14:36:45 +01:00 committed by Thomas Lamprecht
parent 8fbb755cd6
commit 0bc3dac963
1 changed files with 42 additions and 0 deletions
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42
src/PVE/CGroup.pm
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@ -365,6 +365,48 @@ sub get_memory_stat {
return $res;
}
sub get_pressure_stat {
my ($self) = @_;
my $res = {
cpu => {
some => { avg10 => 0, avg60 => 0, avg300 => 0 }
},
memory => {
some => { avg10 => 0, avg60 => 0, avg300 => 0 },
full => { avg10 => 0, avg60 => 0, avg300 => 0 }
},
io => {
some => { avg10 => 0, avg60 => 0, avg300 => 0 },
full => { avg10 => 0, avg60 => 0, avg300 => 0 }
},
};
my ($path, $ver) = $self->get_path(undef, 1);
if (!defined($path)) {
# container or VM most likely isn't running
return undef;
} elsif ($ver == 2) {
foreach my $type (qw(cpu memory io)) {
if (my $fh = IO::File->new ("$path/$type.pressure", "r")) {
while (defined (my $line = <$fh>)) {
if ($line =~ /^(some|full)\s+avg10\=(\d+\.\d+)\s+avg60\=(\d+\.\d+)\s+avg300\=(\d+\.\d+)\s+total\=(\d+)/) {
$res->{$type}->{$1}->{avg10} = $2;
$res->{$type}->{$1}->{avg60} = $3;
$res->{$type}->{$1}->{avg300} = $4;
}
}
$fh->close;
}
}
} else {
die "bad cgroup version: $ver\n";
}
return $res;
}
# Change the memory limit for this container.
#
# Dies on error (including a not-running or currently-shutting-down guest).