[pve-devel] [PATCH common 2/4] add functions to retrieve pressures for vm/ct

[Aaron Lauterer]

From: Folke Gleumes <f.gleumes at proxmox.com>

Originally-by: Folke Gleumes <f.gleumes at proxmox.com>
[AL: rebased on current master]
Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
---
 src/PVE/ProcFSTools.pm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index f9fe3f0..382e6c5 100644
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -151,6 +151,28 @@ sub parse_pressure {
     return $res;
 }
 
+sub read_qemu_pressure {
+    my ($vmid) = @_;
+
+    my $res = {};
+    foreach my $type (qw(cpu memory io)) {
+	my $stats = parse_pressure("/sys/fs/cgroup/qemu.slice/$vmid.scope/$type.pressure");
+	$res->{$type} = $stats if $stats;
+    }
+    return $res;
+}
+
+sub read_lxc_pressure {
+    my ($vmid) = @_;
+
+    my $res = {};
+    foreach my $type (qw(cpu memory io)) {
+	my $stats = parse_pressure("/sys/fs/cgroup/lxc/$vmid/$type.pressure");
+	$res->{$type} = $stats if $stats;
+    }
+    return $res;
+}
+
 sub read_pressure {
     my $res = {};
     foreach my $type (qw(cpu memory io)) {
-- 
2.39.5