[pve-devel] [PATCH common v2 1/1] procfs: cpuinfo: expose x86_phys_bits and x86_virt_bits values

[Daniel Kral <d.kral@proxmox.com>]

The address sizes line is taken from the kernel's implementation of
/proc/cpuinfo in arch/x86/kernel/cpu/proc.c.

Signed-off-by: Daniel Kral <d.kral@proxmox.com>
---
 src/PVE/ProcFSTools.pm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index 9bfac2c..41efd1f 100644
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -32,6 +32,8 @@ sub read_cpuinfo {
         cpus => 1,
         sockets => 1,
         flags => '',
+        phys_bits => 0,
+        virt_bits => 0,
     };
 
     my $fh = IO::File->new($fn, "r");
@@ -54,6 +56,9 @@ sub read_cpuinfo {
             $idhash->{$1} = 1 if not defined($idhash->{$1});
         } elsif ($line =~ m/^cpu cores\s*:\s*(\d+)\s*$/i) {
             $idhash->{$cpuid} = $1 if defined($idhash->{$cpuid});
+        } elsif ($line =~ m/^address sizes\t: (\d+) bits physical, (\d+) bits virtual$/i) {
+            $res->{phys_bits} = $1 if !$res->{phys_bits};
+            $res->{virt_bits} = $2 if !$res->{virt_bits};
         }
     }
 
-- 
2.47.2



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