You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-23 - 12:47

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 #e, slot #8

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
  Congatec
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 rackeslot8s.osadl.org (updated Mon Mar 23, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22831639919950,1991cyclictest27147232sleep300:10:013
22831639919640,1958cyclictest24200122sleep320:54:573
22831639919160,1912cyclictest23630592sleep320:10:013
22831639916971,1691cyclictest2569262-21sleep22:35:003
22831639916370,1632cyclictest2592183-21sleep22:50:003
2283163993021,296cyclictest2439115-21turbostat21:14:553
2283163992114,5cyclictest2323277-21sleep19:40:003
228316399187,7cyclictest26623482sleep323:35:173
228316399187,7cyclictest26623482sleep323:35:173
23295422171,5sleep02329627-21gnome-shell19:41:160
228316399173,11cyclictest0-21swapper/319:41:183
25848932161,7sleep12584977-21grep22:45:131
232944999160,7rtkit-daemon1-21systemd19:41:271
228316399166,7cyclictest2523311-21sleep22:09:553
2283163991615,0cyclictest0-21swapper/323:56:103
2283163991613,1cyclictest0-21swapper/321:56:003
2283163991613,1cyclictest0-21swapper/321:54:263
2283163991613,1cyclictest0-21swapper/320:45:163
2283163991613,1cyclictest0-21swapper/320:18:523
2283163991612,1cyclictest0-21swapper/300:00:463
228316399161,12cyclictest2475323-21taskset21:30:223
228316399161,12cyclictest2394662-21turbostat20:39:553
228316399161,12cyclictest2283327-21taskset19:10:023
228316399161,11cyclictest2614027-21taskset23:01:483
228316399161,11cyclictest2349208-21taskset19:55:233
228316399161,11cyclictest2297886-21turbostat19:20:003
25160292151,4sleep12516024-21apt-get22:00:131
228316399156,7cyclictest2394660-21turbostat20:35:003
228316399155,7cyclictest26225372sleep323:09:303
228316399155,7cyclictest2499513-21taskset21:47:183
228316399155,7cyclictest2356249-21taskset20:02:113
228316399154,8cyclictest2337102-21taskset19:46:073
228316399154,8cyclictest2337102-21taskset19:46:073
2283163991512,1cyclictest0-21swapper/323:53:103
2283163991512,1cyclictest0-21swapper/323:45:223
2283163991512,1cyclictest0-21swapper/321:42:473
2283163991512,1cyclictest0-21swapper/321:42:473
2283163991512,1cyclictest0-21swapper/321:25:243
2283163991512,1cyclictest0-21swapper/300:36:053
228316399151,11cyclictest2743010-21taskset00:25:263
228316399151,11cyclictest2659745-21taskset23:31:313
228316399151,11cyclictest2645354-21taskset23:23:573
228316399151,11cyclictest2607121-21taskset22:58:583
228316399151,11cyclictest2599849-21taskset22:55:013
228316399151,11cyclictest2554067-21taskset22:25:013
228316399151,11cyclictest2545847-21taskset22:18:353
228316399151,11cyclictest2538208-21taskset22:13:433
228316399151,11cyclictest2485327-21taskset21:40:003
228316399151,11cyclictest2432996-21taskset21:05:033
228316399151,11cyclictest2316892-21taskset19:34:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional