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add runc shim support for sched core

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In linux 5.14 and hopefully some backports, core scheduling allows processes to
be co scheduled within the same domain on SMT enabled systems.

The containerd impl sets the core sched domain when launching a shim. This
allows a clean way for each shim(container/pod) to be in its own domain and any
additional containers, (v2 pods) be be launched with the same domain as well as
any exec'd process added to the container.

kernel docs: https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/core-scheduling.html

Signed-off-by: Michael Crosby <michael@thepasture.io>
This commit is contained in:
Michael Crosby
2021-09-15 17:49:38 +00:00
parent 88e1cf5fb5
commit e48bbe8394
99 changed files with 4329 additions and 3611 deletions
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go.mod
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@@ -62,7 +62,7 @@ require (
go.opentelemetry.io/otel/trace v1.0.1
golang.org/x/net v0.0.0-20210520170846-37e1c6afe023
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
golang.org/x/sys v0.0.0-20210915083310-ed5796bab164
google.golang.org/grpc v1.41.0
google.golang.org/protobuf v1.27.1
gotest.tools/v3 v3.0.3