On 12/11/20 22:31, Barry Song wrote: > From: Valentin Schneider <valentin.schneider@xxxxxxx> > > To print the schedule debug information, users need to set sched_debug > cmdline or enable it by sysfs entry. > > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Mel Gorman <mgorman@xxxxxxx> > Cc: Adrian Freund <adrian@xxxxxxxxx> > Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx> FYI, forging SoB, or any 'tag' other than Suggested-by / Reported-by is frowned up. Now I do appreciate your effort to give me credit, but in this case you should've used Suggested-by. Moreso, this really is a trivial change and doesn't deserve a separate patch, so I would say just squash that into patch 1, and add Reviewed-by: Valentin Schneider <valentin.schneider@xxxxxxx> to it :) > Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx> > --- > Documentation/scheduler/sched-domains.rst | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/Documentation/scheduler/sched-domains.rst b/Documentation/scheduler/sched-domains.rst > index 55983b7e1098..8582fa5e9170 100644 > --- a/Documentation/scheduler/sched-domains.rst > +++ b/Documentation/scheduler/sched-domains.rst > @@ -74,6 +74,8 @@ for a given topology level by creating a sched_domain_topology_level array and > calling set_sched_topology() with this array as the parameter. > > The sched-domains debugging infrastructure can be enabled by enabling > -CONFIG_SCHED_DEBUG. This enables an error checking parse of the sched domains > -which should catch most possible errors (described above). It also prints out > -the domain structure in a visual format. > +CONFIG_SCHED_DEBUG and adding 'sched_debug' to your cmdline. If you forgot to > +tweak your cmdline, you can also flip the /sys/kernel/debug/sched_debug > +knob. This enables an error checking parse of the sched domains which should > +catch most possible errors (described above). It also prints out the domain > +structure in a visual format.