You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-09 - 22:55

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #0, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot3s.osadl.org (updated Mon Mar 09, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4648112278269,5sleep60-21swapper/619:06:066
4649562267219,16sleep40-21swapper/419:08:054
4648122261215,16sleep70-21swapper/719:06:087
4650352258249,6sleep30-21swapper/319:09:083
4647732255216,31sleep10-21swapper/119:05:371
4649842254232,14sleep50-21swapper/519:08:305
4650422249222,18sleep00-21swapper/019:09:140
4647922241216,16sleep20-21swapper/219:05:532
5752802580,0sleep40-21swapper/422:25:224
5752802580,0sleep40-21swapper/422:25:224
465383993730,5cyclictest0-21swapper/323:40:143
465369993734,2cyclictest3763445-21kworker/0:2+events19:30:160
46538799350,33cyclictest0-21swapper/421:56:204
46538799350,33cyclictest0-21swapper/420:07:204
46538799350,33cyclictest0-21swapper/420:07:204
46538799340,33cyclictest0-21swapper/423:33:004
46538799340,33cyclictest0-21swapper/419:40:044
46538799330,33cyclictest0-21swapper/423:47:414
46538799330,33cyclictest0-21swapper/423:25:284
46538799330,33cyclictest0-21swapper/423:23:244
46538799330,33cyclictest0-21swapper/423:10:054
46538799330,33cyclictest0-21swapper/422:45:414
46538799330,33cyclictest0-21swapper/422:40:254
46538799330,33cyclictest0-21swapper/422:30:444
46538799330,33cyclictest0-21swapper/422:30:444
46538799330,33cyclictest0-21swapper/422:20:054
46538799330,33cyclictest0-21swapper/422:17:334
46538799330,33cyclictest0-21swapper/422:11:484
46538799330,33cyclictest0-21swapper/421:52:414
46538799330,33cyclictest0-21swapper/421:46:054
46538799330,33cyclictest0-21swapper/421:41:574
46538799330,33cyclictest0-21swapper/421:20:324
46538799330,33cyclictest0-21swapper/421:17:494
46538799330,33cyclictest0-21swapper/421:13:134
46538799330,33cyclictest0-21swapper/421:09:174
46538799330,33cyclictest0-21swapper/420:47:404
46538799330,33cyclictest0-21swapper/420:41:174
46538799330,33cyclictest0-21swapper/420:22:524
46538799330,33cyclictest0-21swapper/420:13:294
46538799330,33cyclictest0-21swapper/420:01:484
46538799330,33cyclictest0-21swapper/419:50:054
46538799330,33cyclictest0-21swapper/419:36:124
46538799330,33cyclictest0-21swapper/419:30:364
46538799330,33cyclictest0-21swapper/419:29:214
46538799330,33cyclictest0-21swapper/419:22:214
46538799330,33cyclictest0-21swapper/419:16:284
46538799330,33cyclictest0-21swapper/400:32:214
46538799330,33cyclictest0-21swapper/400:00:444
46538799330,31cyclictest0-21swapper/423:36:374
46538799330,31cyclictest0-21swapper/423:18:534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional