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Add CPU manager proposal. #654

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merged 15 commits into from
Aug 1, 2017
Merged

Add CPU manager proposal. #654

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ae38e21
Added initial draft of CPU manager proposal.
ConnorDoyle May 23, 2017
a21b6ad
Added cache alloation implementation phase.
ConnorDoyle Jun 5, 2017
b961e4e
Fixed typos.
ConnorDoyle Jul 11, 2017
a6afac8
Updated code snippets to match PoC branch.
ConnorDoyle Jul 12, 2017
79a2bb5
Minor formatting fix.
ConnorDoyle Jul 12, 2017
ca32930
Fixed typos, described sched_relax_domain_level.
ConnorDoyle Jul 14, 2017
8714cae
Added CPU Manager block diagram.
ConnorDoyle Jul 21, 2017
6eece46
Updated topo discovery section with decision.
ConnorDoyle Jul 21, 2017
63d8db1
Tied up loose ends in proposal.
ConnorDoyle Jul 24, 2017
694d2f4
Updated CPU manager configuration details.
ConnorDoyle Jul 24, 2017
8c98636
Fixed review comments from @balajismaniam.
ConnorDoyle Jul 24, 2017
3dfe261
s/floor/ceiling, recommend integer allocatable.cpu
ConnorDoyle Jul 24, 2017
a04d7eb
Merge pull request #1 from ConnorDoyle/cpu-manager-proposal-config
ConnorDoyle Jul 24, 2017
5780b48
Updated staticPolicy.Start sketch.
ConnorDoyle Jul 24, 2017
6bc03ac
Fix review comments from @derekwaynecarr.
ConnorDoyle Jul 25, 2017
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Fixed typos.
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@ConnorDoyle
ConnorDoyle committed Jul 11, 2017
commit b961e4eee9a540fa87090e1d95df44e23c4ad526
6 changes: 3 additions & 3 deletions contributors/design-proposals/cpu-manager.md
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Expand Up @@ -226,8 +226,8 @@ func numExclusive(c v1.Container) int {
| ------------------------------------------ | ------------------------------ |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 0.5 | Container **A** is assigned to the shared cpuset. |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 2.0 | Container **A** is assigned two sibling threads on the same physical core (HT) or two physical cores on the same socket (no HT.)<br /><br /> The shared cpuset is shrunk to make room for the exclusively allocated CPUs. |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 1.0<br />&emsp;A:<br />&emsp;&emsp;cpu: 0.5 | Container **A** is assigned one exclusive CPU and container **B** is assigned to the shared cpuset. |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 1.5<br />&emsp;A:<br />&emsp;&emsp;cpu: 0.5 | Both containers **A** and **B** are assigned to the shared cpuset. |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 1.0<br />&emsp;B:<br />&emsp;&emsp;cpu: 0.5 | Container **A** is assigned one exclusive CPU and container **B** is assigned to the shared cpuset. |
| Pod [Guaranteed]:<br />&emsp;A:<br />&emsp;&emsp;cpu: 1.5<br />&emsp;B:<br />&emsp;&emsp;cpu: 0.5 | Both containers **A** and **B** are assigned to the shared cpuset. |
| Pod [Burstable] | All containers are assigned to the shared cpuset. |
| Pod [BestEffort] | All containers are assigned to the shared cpuset. |

Expand Down Expand Up @@ -313,7 +313,7 @@ func (m *dynamicManager) Remove(c v1.Container, qos QoS) error {

* Static policy also manages [cache allocation][cat] on supported platforms.

### Phase 4: Dynamic polidy
### Phase 4: Dynamic policy

* Dynamic policy is implemented.
* Unit tests for dynamic policy pass.
Expand Down