Messages in this thread | | | Date | Tue, 11 Jan 2011 20:46:58 +0800 | From | Yong Zhang <> | Subject | Re: [PATCH -tip 1/2] [PATCH -tip 1/2] sched: Reinstate group names in /proc/sched_debug. |
| |
On Tue, Jan 11, 2011 at 03:41:54PM +0530, Bharata B Rao wrote: > sched: Reinstate group names in /proc/sched_debug. > > Displaying of group names in /proc/sched_debug was dropped in autogroup > patches. Add group names while displaying cfs_rq and tasks information. > > Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> > --- > kernel/sched_debug.c | 35 +++++++++++++++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > > --- a/kernel/sched_debug.c > +++ b/kernel/sched_debug.c > @@ -16,6 +16,8 @@ > #include <linux/kallsyms.h> > #include <linux/utsname.h> > > +static DEFINE_SPINLOCK(sched_debug_lock);
I don't get your point on introducing this lock. Just to avoid concurrent access? Or could you explain please?
Thanks, Yong
| |