[pve-devel] [PATCH container 1/2] Add disk operations to vmstatus
Tobias Böhm
tb at robhost.de
Mon Jun 19 12:10:10 CEST 2017
Currently, only read/write bytes are extracted from cgroups stats.
In order to provide IO operation stats these counters need to be
read as well.
Signed-off-by: Tobias Böhm <tb at robhost.de>
---
src/PVE/LXC.pm | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index 32b0318..8e1043a 100644
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -183,6 +183,9 @@ sub vmstatus {
$d->{diskread} = 0;
$d->{diskwrite} = 0;
+ $d->{ioread} = 0;
+ $d->{iowrite} = 0;
+
$d->{template} = PVE::LXC::Config->is_template($conf);
}
@@ -210,6 +213,15 @@ sub vmstatus {
}
}
+ my $blkio_opers = read_cgroup_value('blkio', $vmid, 'blkio.throttle.io_serviced', 1);
+ my @opers = split(/\n/, $blkio_opers);
+ foreach my $oper (@opers) {
+ if (my ($key, $value) = $oper =~ /(Read|Write)\s+(\d+)/) {
+ $d->{ioread} = $2 if $key eq 'Read';
+ $d->{iowrite} = $2 if $key eq 'Write';
+ }
+ }
+
my $pstat = &$parse_cpuacct_stat($vmid);
my $used = $pstat->{utime} + $pstat->{stime};
--
2.11.0
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