[pve-devel] [PATCH common] ProcFSTools: read_proc_stat: add more cpu stats from /proc/stat

[Dominik Csapak <d.csapak@proxmox.com>]

those fields might be interesting to users. At the moment, this is
only used in the external metrics export.

These fields exist in the kernel since:
* irq - 2.6.0
* softirq - 2.6.0
* steal - 2.6.11
* guest - 2.6.24
* guest_nice - 2.6.33

so they should all exist

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/PVE/ProcFSTools.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index ff30e4b..8309ced 100644
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -168,13 +168,18 @@ sub read_proc_stat {
 
     if (my $fh = IO::File->new ("/proc/stat", "r")) {
 	while (defined (my $line = <$fh>)) {
-	    if ($line =~ m|^cpu\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s|) {
+	    if ($line =~ m|^cpu\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(?:(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+))?|) {
 		$res->{user} = $1;
 		$res->{nice} = $2;
 		$res->{system} = $3;
 		$res->{idle} = $4;
 		$res->{used} = $1+$2+$3;
 		$res->{iowait} = $5;
+		$res->{irq} = $6 if defined($6);
+		$res->{softirq} = $7 if defined($7);
+		$res->{steal} = $8 if defined($8);
+		$res->{guest} = $9 if defined($9);
+		$res->{guest_nice} = $10 if defined($10);
 	    } elsif ($line =~ m|^cpu\d+\s|) {
 		$cpucount++;
 	    }
-- 
2.30.2