linux.git/include/trace/events/cgroup.h, branch v4.13 Linux kernel source tree kernfs: handle null pointers while printing node name and path 2017-02-10T15:02:26+00:00 Konstantin Khlebnikov khlebnikov@yandex-team.ru 2017-02-08T11:28:55+00:00 17627157cda13089d8a6c1c2d35acb07334b899c Null kernfs nodes could be found at cgroups during construction. It seems safer to handle these null pointers right in kernfs in the same way as printf prints "(null)" for null pointer string. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Null kernfs nodes could be found at cgroups during construction.
It seems safer to handle these null pointers right in kernfs in
the same way as printf prints "(null)" for null pointer string.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cgroup: add tracepoints for basic operations 2016-08-10T15:23:44+00:00 Tejun Heo tj@kernel.org 2016-08-10T15:23:44+00:00 ed1777de25e45bfb58fad63341904f8a77911785 Debugging what goes wrong with cgroup setup can get hairy. Add tracepoints for cgroup hierarchy mount, cgroup creation/destruction and task migration operations for better visibility. Signed-off-by: Tejun Heo <tj@kernel.org> 
Debugging what goes wrong with cgroup setup can get hairy.  Add
tracepoints for cgroup hierarchy mount, cgroup creation/destruction
and task migration operations for better visibility.

Signed-off-by: Tejun Heo <tj@kernel.org>