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2026-04-23 - 12:14
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #f, slot #5

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: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot5.osadl.org (updated Wed Apr 22, 2026 12:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
360499774762,7cyclictest0-21swapper/110:25:131
360599757747,5cyclictest0-21swapper/210:25:142
360499757744,8cyclictest0-21swapper/112:25:521
360499750737,7cyclictest0-21swapper/109:52:191
360599737725,7cyclictest0-21swapper/208:24:352
360599737725,7cyclictest0-21swapper/208:13:372
360599737725,7cyclictest0-21swapper/208:13:372
360599736724,7cyclictest0-21swapper/210:47:092
360599736724,7cyclictest0-21swapper/207:29:462
360599735723,7cyclictest0-21swapper/212:14:542
360599735723,7cyclictest0-21swapper/212:14:542
360599735723,7cyclictest0-21swapper/211:52:582
360599734722,7cyclictest0-21swapper/210:14:152
360499734720,8cyclictest0-21swapper/108:02:401
360499734720,8cyclictest0-21swapper/108:02:391
360599733723,5cyclictest0-21swapper/209:52:202
360599733721,7cyclictest0-21swapper/210:03:182
360599732720,7cyclictest0-21swapper/210:36:122
360599732720,7cyclictest0-21swapper/210:36:112
360699731724,3cyclictest0-21swapper/310:25:143
360499727714,7cyclictest0-21swapper/107:40:431
360499727714,7cyclictest0-21swapper/107:40:431
360599726714,7cyclictest0-21swapper/207:18:472
360599726713,7cyclictest0-21swapper/211:31:022
360599726713,7cyclictest0-21swapper/211:31:022
360399726704,16cyclictest26780-21kworker/0:1+events_freezable_power_10:25:140
360599723711,7cyclictest0-21swapper/208:46:312
360599721709,7cyclictest0-21swapper/210:58:082
360599720708,7cyclictest0-21swapper/212:03:562
360599720708,7cyclictest0-21swapper/209:41:212
360599719707,7cyclictest0-21swapper/211:09:062
360699717706,5cyclictest0-21swapper/312:25:523
360599716705,5cyclictest0-21swapper/208:02:392
360599716705,5cyclictest0-21swapper/208:02:392
360599716704,7cyclictest0-21swapper/209:19:252
360599716704,7cyclictest0-21swapper/209:08:272
360399715686,22cyclictest23373-21kworker/0:4+events_freezable_power_12:25:510
360599714702,7cyclictest0-21swapper/212:36:502
360599713701,7cyclictest0-21swapper/209:30:242
360699712702,5cyclictest0-21swapper/308:13:383
360699712702,5cyclictest0-21swapper/308:13:373
360599712700,7cyclictest0-21swapper/208:57:302
360699711701,5cyclictest0-21swapper/310:47:103
360699711701,5cyclictest0-21swapper/308:24:353
360599711699,7cyclictest0-21swapper/207:51:412
360599711698,7cyclictest0-21swapper/211:42:002
360599711698,7cyclictest0-21swapper/211:42:002
360699710700,5cyclictest0-21swapper/312:14:543
360699710700,5cyclictest0-21swapper/312:14:533
360699710700,5cyclictest0-21swapper/311:52:583
360699710700,5cyclictest0-21swapper/307:29:453
360599710700,5cyclictest0-21swapper/207:40:432
360599710700,5cyclictest0-21swapper/207:40:432
360599710699,7cyclictest0-21swapper/211:20:042
360699709698,5cyclictest0-21swapper/310:03:183
360699708698,5cyclictest0-21swapper/310:14:163
360399707681,20cyclictest25884-21kworker/0:7+events_freezable_power_08:24:350
360699706699,3cyclictest0-21swapper/309:52:193
360699706696,5cyclictest0-21swapper/310:36:123
360699706696,5cyclictest0-21swapper/310:36:123
360399706680,20cyclictest4237-21kworker/0:0+events_freezable_power_12:14:540
360399706680,20cyclictest4237-21kworker/0:0+events_freezable_power_12:14:540
360399703682,16cyclictest26780-21kworker/0:1+events_freezable_power_08:13:380
360399703682,16cyclictest26780-21kworker/0:1+events_freezable_power_08:13:370
360399703681,17cyclictest26780-21kworker/0:1+events_freezable_power_10:47:100
360399702680,17cyclictest26780-21kworker/0:1+events_freezable_power_11:52:580
360399702680,17cyclictest11372-21kworker/0:2+events_freezable_power_07:29:460
360699701691,5cyclictest0-21swapper/307:18:473
360699700689,5cyclictest0-21swapper/311:31:023
360699700689,5cyclictest0-21swapper/311:31:013
360399700678,17cyclictest25884-21kworker/0:7+events_freezable_power_10:14:150
360399700678,17cyclictest25884-21kworker/0:7+events_freezable_power_10:03:180
360699698688,5cyclictest0-21swapper/308:46:323
360399697676,17cyclictest26780-21kworker/0:1+events_freezable_power_10:36:110
360399697676,17cyclictest26780-21kworker/0:1+events_freezable_power_10:36:110
360699695685,5cyclictest0-21swapper/312:03:563
360699695685,5cyclictest0-21swapper/310:58:083
360699695685,5cyclictest0-21swapper/309:41:223
360699693683,5cyclictest0-21swapper/311:09:063
360399693679,9cyclictest10161-21kworker/0:3+events_freezable_power_09:52:200
360399693671,17cyclictest23396-21kworker/0:3+events_freezable_power_07:18:470
360699691681,5cyclictest0-21swapper/309:19:263
360399691665,20cyclictest25884-21kworker/0:7+events_freezable_power_10:58:080
360699690680,5cyclictest0-21swapper/309:08:273
360399690669,16cyclictest4237-21kworker/0:0+events_freezable_power_11:31:020
360399690669,16cyclictest4237-21kworker/0:0+events_freezable_power_11:31:010
360399690668,17cyclictest11372-21kworker/0:2+events_freezable_power_08:46:310
360699689682,3cyclictest0-21swapper/308:02:403
360699689682,3cyclictest0-21swapper/308:02:393
360699689679,5cyclictest0-21swapper/312:36:503
360399689663,20cyclictest26780-21kworker/0:1+events_freezable_power_11:09:050
360699687677,5cyclictest0-21swapper/309:30:233
360399687665,17cyclictest4237-21kworker/0:0+events_freezable_power_12:03:560
360399687665,17cyclictest25884-21kworker/0:7+events_freezable_power_09:41:210
360399687661,20cyclictest4094-21kworker/0:5+events_freezable_power_09:19:250
360699686676,5cyclictest0-21swapper/308:57:293
360699685676,5cyclictest0-21swapper/311:20:033
360699685675,5cyclictest0-21swapper/311:42:003
360699685675,5cyclictest0-21swapper/311:42:003
360699685675,5cyclictest0-21swapper/307:51:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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