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Use the cgroup name for cpuset for lxc-ps

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On my Ubuntu 13.10 system, lxc-ps was always giving empty output. The
output of /proc/$initpid/cgroup was

11:name=systemd:/user/1000.user/c3.session
10:hugetlb:/container
9:perf_event:/container
8:blkio:/container
7:freezer:/container
6:devices:/container
5:memory:/container
4:cpuacct:/container
3:cpu:/container
2:cpuset:/container

Using the cpuset line should be a safer option.

Signed-off-by: Nick Huber <nicholashuber@gmail.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
This commit is contained in:
Nick Huber 2013-12-31 12:05:50 -08:00 committed by Stéphane Graber
parent d438f5a0ef
commit 19a85f1f8f
1 changed files with 1 additions and 1 deletions
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2
src/lxc/lxc-ps.in
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@ -118,7 +118,7 @@ for container in ${containers}; do
if ! lxc-wait -P $lxc_path -s STOPPED -n $container -t 0; then
initpid=`lxc-info -P $lxc_path -p -n $container | awk -F: '{ print $2 }' | awk '{ print $1 }'`
cgroup=`head -n 1 /proc/$initpid/cgroup | awk -F: '{ print $3}'`
cgroup=`grep cpuset /proc/$initpid/cgroup | awk -F: '{ print $3}'`
if [ -f "$parent_cgroup/$cgroup/tasks" ]; then
tasks_files="$tasks_files $parent_cgroup$cgroup/tasks"
fi