---
src/PVE/CGroup.pm | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/src/PVE/CGroup.pm b/src/PVE/CGroup.pm
index 4823be2..457502e 100644
--- a/src/PVE/CGroup.pm
+++ b/src/PVE/CGroup.pm
@@ -358,6 +358,49 @@ sub get_memory_stat {
return $res;
}
+# Parse some memory data from `memory.stat`
+sub get_pressure_stat {
+ my ($self) = @_;
+
+ my $res = {
+ cpu => {
+ some => { avg10 => 10, avg60 => 0, avg300 => 0 }
+ },
+ memory => {
+ some => { avg10 => 10, avg60 => 0, avg300 => 0 },
+ full => { avg10 => 10, avg60 => 0, avg300 => 0 }
+ },
+ io => {
+ some => { avg10 => 10, avg60 => 0, avg300 => 0 },
+ full => { avg10 => 10, avg60 => 0, avg300 => 0 }
+ },
+ };
+
+ my ($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).
--
2.20.1
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