[pve-devel] [PATCH] Add Check: If host has enough real CPUs for starting VM, to prevent a Qemu CPU emualtion!

[Wolfgang Link]

Signed-off-by: Wolfgang Link <wolfgang at linksystems.org>
---
 PVE/QemuServer.pm |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 02bf404..26c6c76 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2588,6 +2588,13 @@ sub config_to_command {
     my $cores = $conf->{cores} || 1;
     my $maxcpus = $conf->{maxcpus} if $conf->{maxcpus};
 
+    my $total_cores = $sockets * $cores;
+    my $allowed_cores = $cpuinfo->{cpus};
+
+    die "MAX $allowed_cores Cores allowed per VM on this Node"
+	if($allowed_cores < $total_cores ) ;
+
+
     if ($maxcpus) {
 	push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
     } else {
-- 
1.7.10.4