You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-25 - 03:53
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rackcslot6.osadl.org (updated Wed Apr 24, 2024 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4666222127108,3sleep60-21swapper/619:09:096
4657982126107,17sleep30-21swapper/319:05:283
6769802910,1sleep656-21ksoftirqd/623:05:296
6530962910,1sleep656-21ksoftirqd/622:45:516
6530962910,1sleep656-21ksoftirqd/622:45:516
46476429172,17sleep70-21swapper/719:05:167
46662929056,12sleep20-21swapper/219:09:132
466899998816,38cyclictest0-21swapper/421:43:174
466899998617,36cyclictest0-21swapper/422:43:174
6808202840,0sleep00-21swapper/023:10:110
466899998315,36cyclictest0-21swapper/421:53:174
46651828361,18sleep50-21swapper/519:07:395
466899998215,36cyclictest0-21swapper/400:28:174
466899998214,36cyclictest0-21swapper/423:28:174
5799992800,1sleep246688399cyclictest21:45:392
46642228058,11sleep10-21swapper/119:06:231
46587228059,18sleep40-21swapper/419:05:304
6883092770,2sleep335-21ksoftirqd/323:15:193
466899997727,35cyclictest0-21swapper/420:18:174
7528352750,0sleep5481rcuc/500:10:005
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional