You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-18 - 23:27

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 #7, 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.

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 20 highest latencies:
System rack7slot3s.osadl.org (updated Wed Mar 18, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23884211510,7sleep00-21swapper/007:10:060
2284422890,2sleep20-21swapper/207:05:272
144832920,2sleep00-21swapper/009:23:260
224672800,1sleep30-21swapper/312:08:003
24033997939,16cyclictest24031-21cyclictest07:10:081
214472770,2sleep30-21swapper/309:30:423
36862760,2sleep20-21swapper/212:25:012
24032997643,9cyclictest7750irq/56-dwc_otg10:15:190
24032997225,8cyclictest0-21swapper/010:30:150
210402720,4sleep021043-21diskmemload09:30:310
24033997018,18cyclictest7950irq/56-dwc_otg_09:40:061
24032997017,33cyclictest15243-21fschecks_count11:20:220
2403399681,10cyclictest12475-21ssh12:35:111
2403299682,11cyclictest19835-21ssh12:05:170
27172660,2sleep00-21swapper/011:44:420
269452660,5sleep32403599cyclictest09:37:513
24034996619,31cyclictest0-21swapper/209:15:232
24033996619,29cyclictest56412cat09:50:311
2403399661,15cyclictest7950irq/56-dwc_otg_10:30:171
2403299669,21cyclictest7950irq/56-dwc_otg_07:10:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional