diff --git a/src/PVE/CGroup.pm b/src/PVE/CGroup.pm
index cbd77cb..bf6c66d 100644
--- a/src/PVE/CGroup.pm
+++ b/src/PVE/CGroup.pm
@@ -387,18 +387,9 @@ sub get_pressure_stat {
 	# 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;
-	    }
+	for my $type (qw(cpu memory io)) {
+	    my $stats = PVE::ProcFSTools::parse_pressure("$path/$type.pressure");
+	    $res->{$type} = $stats if $stats;
 	}
     } else {
 	die "bad cgroup version: $ver\n";
diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index 7687c13..cbd5768 100644
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -132,21 +132,30 @@ sub read_loadavg {
     return wantarray ? (0, 0, 0) : 0;
 }
 
-sub read_pressure {
+sub parse_pressure {
+    my ($path) = @_;
 
     my $res = {};
-    foreach my $type (qw(cpu memory io)) {
-	if (my $fh = IO::File->new ("/proc/pressure/$type", "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;
+    my $v = qr/\d+\.\d+/;
+    my $fh = IO::File->new($path, "r") or return undef;
+    while (defined (my $line = <$fh>)) {
+	if ($line =~ /^(some|full)\s+avg10\=($v)\s+avg60\=($v)\s+avg300\=($v)\s+total\=(\d+)/) {
+	    $res->{$1}->{avg10} = $2;
+	    $res->{$1}->{avg60} = $3;
+	    $res->{$1}->{avg300} = $4;
+	    $res->{$1}->{total} = $4;
 	}
     }
+    $fh->close;
+    return $res;
+}
+
+sub read_pressure {
+    my $res = {};
+    foreach my $type (qw(cpu memory io)) {
+	my $stats = parse_pressure("/proc/pressure/$type");
+	$res->{$type} = $stats if $stats;
+    }
     return $res;
 }