Hi Noam, On Thu, 2017-05-25 at 05:34 +0300, Noam Camus wrote: > From: Noam Camus <noamca at mellanox.com> > > This counter represents threshold for consecutive stall that which > trigger HW threads scheduling. > Low values of this counter cause downgrade in performance > and in the worst case even a livelock. > > Signed-off-by: Noam Camus <noamca at mellanox.com> > --- > ?arch/arc/plat-eznps/mtm.c |????2 -- > ?1 files changed, 0 insertions(+), 2 deletions(-) > > diff --git a/arch/arc/plat-eznps/mtm.c b/arch/arc/plat-eznps/mtm.c > index aaaaffd..e0cb36b 100644 > --- a/arch/arc/plat-eznps/mtm.c > +++ b/arch/arc/plat-eznps/mtm.c > @@ -119,8 +119,6 @@ void mtm_enable_core(unsigned int cpu) > ? mt_ctrl.value = 0; > ? mt_ctrl.hsen = 1; > ? mt_ctrl.hs_cnt = MT_CTRL_HS_CNT; > - mt_ctrl.sten = 1; > - mt_ctrl.st_cnt = MT_CTRL_ST_CNT; Even though I don't know your architecture this change doesn't make enough sense to me in absence of better explanation of what is really done here. I.e. how removal of those 2 lines above improve your situation. -Alexey
