You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-27 - 11:47

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 #0, slot #6

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 rack0slot6s.osadl.org (updated Mon Apr 27, 2026 00:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33039982262256,4sleep70-21swapper/719:08:5217
33008372249241,5sleep90-21swapper/919:05:1319
33038882234216,11sleep10-21swapper/119:07:251
33041122233213,12sleep100-21swapper/1019:09:552
33039502232214,11sleep150-21swapper/1519:08:197
33040792231212,12sleep140-21swapper/1419:09:386
33039162231212,11sleep40-21swapper/419:07:4814
33040652230210,12sleep50-21swapper/519:09:2915
33038892230211,11sleep20-21swapper/219:07:2612
33038932229210,12sleep60-21swapper/619:07:2916
33008242229208,13sleep190-21swapper/1919:05:0311
33038592228208,13sleep160-21swapper/1619:07:008
33038082227208,12sleep180-21swapper/1819:06:2210
33041182225209,9sleep130-21swapper/1319:09:585
33038302225206,12sleep120-21swapper/1219:06:364
33037852225206,12sleep170-21swapper/1719:06:019
33036382225206,12sleep30-21swapper/319:05:2713
33037972222202,13sleep80-21swapper/819:06:1218
33039102221201,12sleep00-21swapper/019:07:440
33038292221203,11sleep110-21swapper/1119:06:353
330451899656,27cyclictest0-21swapper/1221:46:264
330451899656,27cyclictest0-21swapper/1221:46:254
3304492993232,0cyclictest0-21swapper/521:20:0015
3304487993230,1cyclictest0-21swapper/321:20:0013
330448299310,0cyclictest0-21swapper/221:25:0012
330449699300,30cyclictest0-21swapper/620:12:5916
330448299300,22cyclictest3322160-21cut19:30:0012
3304480993029,0cyclictest0-21swapper/121:25:001
3304528992928,1cyclictest0-21swapper/1521:20:007
3304482992828,0cyclictest0-21swapper/219:55:5912
3304532992727,0cyclictest0-21swapper/1619:31:008
3304526992727,0cyclictest0-21swapper/1420:49:596
3304522992725,1cyclictest3413284-21date21:20:005
3304496992624,1cyclictest0-21swapper/621:20:0016
3304532992524,1cyclictest0-21swapper/1621:25:008
330452699250,25cyclictest0-21swapper/1420:50:176
330452699250,25cyclictest0-21swapper/1419:10:476
3304480992525,0cyclictest0-21swapper/119:56:001
330452699242,21cyclictest0-21swapper/1421:00:006
3304526992412,12cyclictest0-21swapper/1420:13:006
330450499240,1cyclictest0-21swapper/920:30:1719
3304500992423,1cyclictest3408909-21systemd21:14:5917
330452699230,23cyclictest0-21swapper/1421:29:406
330452299230,22cyclictest0-21swapper/1320:30:005
3304504992321,1cyclictest33931061kworker/u80:4+i91521:20:0019
330450499230,0cyclictest0-21swapper/920:10:1819
330448299230,23cyclictest0-21swapper/221:20:0012
330448299230,18cyclictest0-21swapper/219:10:4812
330448099230,0cyclictest0-21swapper/119:30:001
3304542992220,2cyclictest3561778-21scp00:19:3911
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional