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2026-03-23 - 15:49
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #7, slot #2

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 
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Mon Mar 23, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
6657329910492,9cyclictest679841-21kworker/u4:17+events_unbound08:15:321
6657329910393,8cyclictest834623-21kworker/u4:1+events_unbound11:50:371
665732999892,4cyclictest852283-21kworker/u4:7+events_unbound12:21:321
665732999487,5cyclictest821331-21kworker/u4:14+events_unbound11:36:201
665732999167,10cyclictest733779-21kworker/u4:9+events_unbound10:46:031
665732998679,4cyclictest667048-21kworker/u4:9+events_unbound07:15:221
665732998274,6cyclictest791005-21kworker/u4:5+events_unbound11:01:081
665731998251,29cyclictest53-21kswapd011:25:320
665732998171,7cyclictest786548-21kworker/u4:8+events_unbound11:21:191
665731998047,30cyclictest315-21systemd-journal07:15:200
665732997957,18cyclictest0-21swapper/111:10:111
665732997869,6cyclictest664459-21kworker/u4:4+events_unbound07:20:211
665731997233,36cyclictest858536-21apt-get12:15:120
665732997059,8cyclictest673435-21kworker/u4:6+events_unbound07:40:261
665731997056,10cyclictest701259-21/usr/sbin/munin09:15:140
665732996961,6cyclictest799865-21kworker/u4:2+events_unbound11:16:151
665731996940,26cyclictest0-21swapper/012:00:010
665731996920,44cyclictest0-21swapper/009:26:540
665732996860,6cyclictest843433-21kworker/u4:11+events_unbound12:11:311
66573199684,22cyclictest849772-21ssh12:05:110
665731996733,32cyclictest823802-21aten_r7power_vo11:35:170
665731996732,31cyclictest694205-21aten_r7power_po09:00:170
66573199672,62cyclictest0-21swapper/010:10:290
665731996723,41cyclictest0-21swapper/009:15:060
665731996651,11cyclictest665727-21cyclictest12:34:090
66573199662,5cyclictest723952-21ntpq09:40:290
66573199661,21cyclictest862949-21ssh12:20:130
665731996535,28cyclictest0-21swapper/010:35:290
665731996530,33cyclictest758821-21kernelversion10:20:220
665731996530,33cyclictest691548-21aten2__08:50:160
665731996527,32cyclictest693902-21modprobe09:00:000
66573199652,5cyclictest728389-21grep09:45:290
66573199652,14cyclictest740748-21apt-get10:00:120
665731996513,8cyclictest0-21swapper/011:05:150
66573199646,8cyclictest867310-21apt-get12:25:110
665731996452,9cyclictest664459-21kworker/u4:4+events_unbound07:55:290
665731996452,9cyclictest664459-21kworker/u4:4+events_unbound07:55:290
665731996440,21cyclictest767008-21aten_r7power_cu10:30:140
665731996432,30cyclictest736742-21gltestperf09:55:190
66573199643,18cyclictest794084-21ntpq11:00:320
665731996428,32cyclictest683051-21kernelversion08:15:210
66573199641,17cyclictest676196-21apt-get07:50:110
66573199641,17cyclictest676196-21apt-get07:50:110
665731996353,7cyclictest53-21kswapd010:45:000
66573199635,17cyclictest681124-21modprobe08:10:000
665731996346,10cyclictest788845-21ssh10:55:080
665731996332,28cyclictest0-21swapper/010:50:200
66573199633,16cyclictest681303-21apt-get08:10:100
665731996329,30cyclictest0-21swapper/011:30:350
66573199632,22cyclictest837398-21ssh11:50:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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