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| author | Connor Doyle <ConnorDoyle@users.noreply.github.com> | 2017-07-20 17:12:14 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-07-20 17:12:14 -0700 |
| commit | 6eece46e694e70eb455c8ceee37b0f623fed1946 (patch) | |
| tree | 902c774c7733018cf7045946c0cd895ca941bf78 | |
| parent | 8714cae91b25f709ebd0f453ad3c86c51711b8a7 (diff) | |
Updated topo discovery section with decision.
| -rw-r--r-- | contributors/design-proposals/cpu-manager.md | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/contributors/design-proposals/cpu-manager.md b/contributors/design-proposals/cpu-manager.md index c886880c..f60364e6 100644 --- a/contributors/design-proposals/cpu-manager.md +++ b/contributors/design-proposals/cpu-manager.md @@ -88,7 +88,10 @@ hyper-threading turned on yields both sibling threads on the same physical core. Likewise, allocating two CPUs on a non-hyper-threaded system yields two cores on the same socket. -##### Options for discovering topology +**Decision:** Initially the CPU Manager will re-use the existing discovery +mechanism in cAdvisor. + +Alternate options considered for discovering topology: 1. Read and parse the virtual file [`/proc/cpuinfo`][procfs] and construct a convenient data structure. @@ -98,8 +101,6 @@ system yields two cores on the same socket. contains code to build a ThreadSet from the output of `lscpu -p`. 1. Execute a mature external topology program like [`mpi-hwloc`][hwloc] -- potentially adding support for the hwloc file format to the Kubelet. -1. Re-use existing discovery functionality from cAdvisor. **(preferred initial - solution)** #### CPU Manager interfaces (sketch) |