Re: [PATCH v2] sched/topology: fix the issue groups don't span domain->span for NUMA diameter > 2

From: Meelis Roos
Date: Wed Feb 03 2021 - 06:58:44 EST


03.02.21 13:12 Barry Song wrote:
kernel/sched/topology.c | 85 +++++++++++++++++++++++++----------------
1 file changed, 53 insertions(+), 32 deletions(-)

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 5d3675c7a76b..964ed89001fe 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c

This one still works on the Sun X4600-M2, on top of v5.11-rc6-55-g3aaf0a27ffc2.


Performance-wise - is the some simple benhmark to run to meaure the impact? Compared to what - 5.10.0 or the kernel with the warning?

drop caches and time the build time of linux kernel with make -j64?

--
Meelis Roos