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Add cpu core count to /nodes/{id}/status API result

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This is useful for when collecting data for Guest OS licensing (Microsoft)
where physical core count matters, not socket or thread count.

The "cpus" value counts threads when Hyperthreading is enabled.

Signed-off-by: Mike Beattie <mike@ethernal.org>
This commit is contained in:
Mike Beattie 2020-05-29 22:58:52 +12:00 committed by Thomas Lamprecht
parent aa91ae3d1b
commit ddcdc5eed7
1 changed files with 8 additions and 1 deletions
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9
src/PVE/ProcFSTools.pm
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@ -5,6 +5,7 @@ use warnings;
use POSIX;
use Time::HiRes qw (gettimeofday);
use IO::File;
use List::Util qw(sum);
use PVE::Tools;
use Cwd qw();
@ -35,6 +36,7 @@ sub read_cpuinfo {
my $fh = IO::File->new ($fn, "r");
return $res if !$fh;
my $cpuid = 0;
my $idhash = {};
my $count = 0;
while (defined(my $line = <$fh>)) {
@ -47,7 +49,10 @@ sub read_cpuinfo {
} elsif ($line =~ m/^flags\s*:\s*(.*)$/) {
$res->{flags} = $1 if !length $res->{flags};
} elsif ($line =~ m/^physical id\s*:\s*(\d+)\s*$/i) {
$idhash->{$1} = 1;
$cpuid = $1;
$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});
}
}
@ -56,6 +61,8 @@ sub read_cpuinfo {
$res->{sockets} = scalar(keys %$idhash) || 1;
$res->{cores} = sum(values %$idhash) || 1;
$res->{cpus} = $count;
$fh->close;