correctly copy bridge config

[pve-common.git] / data / PVE / ProcFSTools.pm

diff --git a/data/PVE/ProcFSTools.pm b/data/PVE/ProcFSTools.pm
index dd22c4b21fff206334ba9d2d2919090dbc239b47..e0a882854d72dd8a9dd6c765e17e81bf9b3d95c3 100644 (file)
--- a/data/PVE/ProcFSTools.pm
+++ b/data/PVE/ProcFSTools.pm
@@ -1,6 +1,7 @@
 package PVE::ProcFSTools;
 
 use strict;
+use warnings;
 use POSIX;
 use Time::HiRes qw (gettimeofday);
 use IO::File;
@@ -20,11 +21,13 @@ sub read_cpuinfo {
        model => 'unknown',
        mhz => 0,
        cpus => 1,
+       sockets => 1,
     };
 
     my $fh = IO::File->new ($fn, "r");
     return $res if !$fh;
 
+    my $idhash = {};
     my $count = 0;
     while (defined(my $line = <$fh>)) {
        if ($line =~ m/^processor\s*:\s*\d+\s*$/i) {
@@ -35,9 +38,13 @@ sub read_cpuinfo {
            $res->{mhz} = $1 if !$res->{mhz};
        } elsif ($line =~ m/^flags\s*:.*(vmx|svm)/) {
            $res->{hvm} = 1; # Hardware Virtual Machine (Intel VT / AMD-V)
+       } elsif ($line =~ m/^physical id\s*:\s*(\d+)\s*$/i) {
+           $idhash->{$1} = 1;
        }
     }
 
+    $res->{sockets} = scalar(keys %$idhash) || 1;
+
     $res->{cpus} = $count;
 
     $fh->close;
@@ -53,7 +60,7 @@ sub read_proc_uptime {
     my $line = PVE::Tools::file_read_firstline("/proc/uptime");
     if ($line && $line =~ m|^(\d+\.\d+)\s+(\d+\.\d+)\s*$|) {
        if ($ticks) {
-           return (int($1*100), int($2*100));
+           return (int($1*$clock_ticks), int($2*$clock_ticks));
        } else {
            return (int($1), int($2));
        }
@@ -124,18 +131,43 @@ sub read_proc_stat {
     return $res;
 }
 
-sub read_proc_starttime {
+sub read_proc_pid_stat {
     my $pid = shift;
 
     my $statstr = PVE::Tools::file_read_firstline("/proc/$pid/stat");
 
-    if ($statstr && $statstr =~ m/^$pid \(.*\) \S (-?\d+) -?\d+ -?\d+ -?\d+ -?\d+ \d+ \d+ \d+ \d+ \d+ (\d+) (\d+) (-?\d+) (-?\d+) -?\d+ -?\d+ -?\d+ 0 (\d+) (\d+) (-?\d+) \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ -?\d+ -?\d+ \d+ \d+ \d+/) {
-       my $starttime = $6;
-
-       return $starttime;
+    if ($statstr && $statstr =~ m/^$pid \(.*\) (\S) (-?\d+) -?\d+ -?\d+ -?\d+ -?\d+ \d+ \d+ \d+ \d+ \d+ (\d+) (\d+) (-?\d+) (-?\d+) -?\d+ -?\d+ -?\d+ 0 (\d+) (\d+) (-?\d+) \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ -?\d+ -?\d+ \d+ \d+ \d+/) {
+       return {
+           status => $1,
+           utime => $3,
+           stime => $4,
+           starttime => $7,
+           vsize => $8,
+           rss => $9 * 4096,
+       };
     }
 
-    return 0;
+    return undef;
+}
+
+sub check_process_running {
+    my ($pid, $pstart) = @_;
+
+    # note: waitpid only work for child processes, but not
+    # for processes spanned by other processes.
+    # kill(0, pid) return succes for zombies.
+    # So we read the status form /proc/$pid/stat instead
+ 
+    my $info = read_proc_pid_stat($pid);
+ 
+    return $info && (!$pstart || ($info->{starttime} eq $pstart)) && ($info->{status} ne 'Z') ? $info : undef;
+}
+
+sub read_proc_starttime {
+    my $pid = shift;
+
+    my $info = read_proc_pid_stat($pid);
+    return $info ? $info->{starttime} : 0;
 }
 
 sub read_meminfo {
@@ -144,6 +176,7 @@ sub read_meminfo {
        memtotal => 0,
        memfree => 0,
        memused => 0,
+       memshared => 0,
        swaptotal => 0,
        swapfree => 0,
        swapused => 0,
@@ -168,6 +201,9 @@ sub read_meminfo {
     $res->{swapfree} = $d->{swapfree};
     $res->{swapused} = $res->{swaptotal} - $res->{swapfree};
 
+    my $spages = PVE::Tools::file_read_firstline("/sys/kernel/mm/ksm/pages_sharing");
+    $res->{memshared} = int($spages) * 4096;
+
     return $res;
 }
 
@@ -180,7 +216,7 @@ sub read_memory_usage {
 
     my $line = PVE::Tools::file_read_firstline("/proc/$$/statm");
 
-    if ($line =~ m/^(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+/) {
+    if ($line =~ m/^(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s*/) {
        $res->{size} = $1*$ps;
        $res->{resident} = $2*$ps;
        $res->{shared} = $3*$ps;
@@ -210,4 +246,14 @@ sub read_proc_net_dev {
     return $res;
 }
 
+sub write_proc_entry {
+    my ($filename, $data) = @_;#
+
+    my $fh = IO::File->new($filename,  O_WRONLY);
+    die "unable to open file '$filename' - $!\n" if !$fh;
+    die "unable to write '$filename' - $!\n" unless print $fh $data;
+    die "closing file '$filename' failed - $!\n" unless close $fh;
+    $fh->close();
+}
+
 1;