Hello,
this behaviour is by design, separate controllers should be defined by separate
-g tags.
Ivana Hutarova Varekova
----- Original Message -----
> From: "Weng Meiling" <wengmeiling.w...@huawei.com>
> To: libcg-devel@lists.sourceforge.net
> Cc: "libo chen" <libo.c...@huawei.com>
> Sent: Monday, July 15, 2013 11:18:05 AM
> Subject: [Libcg-devel] question about lscgroup
>
> Hi,
> When we use lscgroup with -g to specify more then one controllers,
> the result just display one controllers, such as:
>
> # lssubsys -m
> cpuset /cgroup/cpuset
> cpu /cgroup/cpu
>
> # lscgroup
> cpu:/
> cpu:/test
> cpuset:/
> cpuset:/test
>
> # lscgroup -g cpu,cpuset:test
> cpu:/test/
>
> there is no message about cpuset, is it not necessary to support -g
> with many controllers ? Because we can get the result we wanted by
> specifying multiple -g. Or this may be a bug? if it's a bug, i once
> tried to fix it as following, but the solution leads to lscgroup will
> not report error when specify the wrong controller or the unmounted
> controller as lssubsys.
>
> src/tools/lscgroup.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/src/tools/lscgroup.c b/src/tools/lscgroup.c
> index 3b74aad..d0b47fe 100644
> --- a/src/tools/lscgroup.c
> +++ b/src/tools/lscgroup.c
> @@ -155,11 +155,6 @@ static int print_cgroup(struct cgroup_group_spec
> *cgroup_spec, int flags)
> con_name, all_conts);
> if (ret)
> return ret;
> - if ((flags & FL_LIST) != 0) {
> - /* we succesfully finish printing */
> - output = 0;
> - break;
> - }
> }
>
> output = 0;
> @@ -183,6 +178,8 @@ static int print_cgroup(struct cgroup_group_spec
> *cgroup_spec, int flags)
> cgroup_get_controller_end(&handle);
> if (ret != ECGEOF)
> return ret;
> + else
> + ret = 0;
>
> if (output) {
> ret = display_controller_data(
> --
> 1.8.2.2
>
>
>
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