[Bug 1639932] Re: cpu constraints not being applied

[James Page]

5 core LXD - 10 copies

------------------------------------------------------------------------
Benchmark Run: Tue Nov 08 2016 13:54:48 - 14:24:40
5 CPUs in system; running 10 parallel copies of tests

Dhrystone 2 using register variables      164210758.1 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    24005.9 MWIPS (9.9 s, 7 samples)
Execl Throughput                              24406.9 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks       1037110.0 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          283484.2 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2941636.5 KBps  (30.0 s, 2 samples)
Pipe Throughput                             9318487.9 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                1423460.9 lps   (10.0 s, 7 samples)
Process Creation                              59959.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  38400.8 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   5164.8 lpm   (60.1 s, 2 samples)
System Call Overhead                        6473343.6 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0  164210758.1  14071.2
Double-Precision Whetstone                       55.0      24005.9   4364.7
Execl Throughput                                 43.0      24406.9   5676.0
File Copy 1024 bufsize 2000 maxblocks          3960.0    1037110.0   2619.0
File Copy 256 bufsize 500 maxblocks            1655.0     283484.2   1712.9
File Copy 4096 bufsize 8000 maxblocks          5800.0    2941636.5   5071.8
Pipe Throughput                               12440.0    9318487.9   7490.7
Pipe-based Context Switching                   4000.0    1423460.9   3558.7
Process Creation                                126.0      59959.1   4758.7
Shell Scripts (1 concurrent)                     42.4      38400.8   9056.8
Shell Scripts (8 concurrent)                      6.0       5164.8   8608.0
System Call Overhead                          15000.0    6473343.6   4315.6
                                                                   ========
System Benchmarks Index Score                                        5138.0

That's pretty much the same index score as with 5 copies

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https://bugs.launchpad.net/bugs/1639932

Title:
  cpu constraints not being applied

Status in nova-lxd package in Ubuntu:
  New

Bug description:
  When lxd containers are launched, CPU constraints are either not being
  applied or not being honored by the server/hypervisor

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