Hi Waiman, On Thu, Jun 03, 2021 at 05:24:11PM -0400 Waiman Long wrote: > This patchset makes the following two major changes to the cpuset v2 code: > > Patch 2: Add a new partition state "root-nolb" to create a partition > root with load balancing disabled. This is for handling intermitten > workloads that have a strict low latency requirement. > > Patch 3: Allow partition roots that are not the top cpuset to distribute > all its cpus to child partitions as long as there is no task associated > with that partition root. This allows more flexibility for middleware > to manage multiple partitions. Thanks! This looks like it will be a usable replacement for the functionality lost when SD_LOAD_BALANCE went away. Cheers, Phil > > Patch 4 updates the cgroup-v2.rst file accordingly. Patch 5 adds a test > to test the new cpuset partition code. > > Waiman Long (5): > cgroup/cpuset: Don't call validate_change() for some flag changes > cgroup/cpuset: Add new cpus.partition type with no load balancing > cgroup/cpuset: Allow non-top parent partition root to distribute out > all CPUs > cgroup/cpuset: Update description of cpuset.cpus.partition in > cgroup-v2.rst > kselftest/cgroup: Add cpuset v2 partition root state test > > Documentation/admin-guide/cgroup-v2.rst | 19 ++- > kernel/cgroup/cpuset.c | 124 +++++++++++---- > tools/testing/selftests/cgroup/Makefile | 2 +- > .../selftests/cgroup/test_cpuset_prs.sh | 141 ++++++++++++++++++ > 4 files changed, 247 insertions(+), 39 deletions(-) > create mode 100755 tools/testing/selftests/cgroup/test_cpuset_prs.sh > > -- > 2.18.1 > --
