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2026-01-10 - 05:59
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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 100 highest latencies:
System rackfslot7.osadl.org (updated Sat Jan 10, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1800553998911,0cyclictest0-21swapper/722:35:167
1800549997113,19cyclictest0-21swapper/520:05:165
1800548996123,19cyclictest1887711-21latency_hist21:45:014
1800544996122,39cyclictest0-21swapper/019:40:130
180054999590,20cyclictest0-21swapper/500:00:165
180054899590,57cyclictest1930530-21kworker/u32:5+events_unbound00:35:024
1800548995616,39cyclictest0-21swapper/421:17:174
1800548995519,35cyclictest0-21swapper/422:47:294
1800548995519,35cyclictest0-21swapper/422:32:524
1800548995519,35cyclictest0-21swapper/422:17:094
1800548995519,35cyclictest0-21swapper/421:22:124
1800548995519,35cyclictest0-21swapper/420:05:054
1800548995519,35cyclictest0-21swapper/419:11:384
1800548995519,16cyclictest0-21swapper/421:53:134
1800548995514,40cyclictest1963031-21ntpq23:55:194
1800548995453,1cyclictest1896526-21munin-run22:00:004
1800548995435,19cyclictest1812416-21grep19:30:144
1800548995419,35cyclictest0-21swapper/423:37:404
1800548995419,35cyclictest0-21swapper/422:09:054
1800548995419,35cyclictest0-21swapper/420:30:334
1800548995419,35cyclictest0-21swapper/400:20:254
1800548995419,15cyclictest0-21swapper/423:45:444
1800548995419,15cyclictest0-21swapper/422:55:334
1800548995419,15cyclictest0-21swapper/422:02:014
1800548995419,15cyclictest0-21swapper/421:36:204
1800548995419,15cyclictest0-21swapper/420:57:484
1800548995419,15cyclictest0-21swapper/420:25:574
1800548995419,15cyclictest0-21swapper/420:16:534
1800548995419,15cyclictest0-21swapper/420:01:324
1800548995419,15cyclictest0-21swapper/419:35:524
1800548995419,15cyclictest0-21swapper/419:23:544
1800548995419,15cyclictest0-21swapper/400:26:124
1800548995419,15cyclictest0-21swapper/400:15:374
1800548995419,15cyclictest0-21swapper/400:13:404
1800548995414,39cyclictest0-21swapper/423:10:074
1800548995414,39cyclictest0-21swapper/422:25:294
1800548995414,39cyclictest0-21swapper/421:45:264
1800548995334,19cyclictest1965779-21ntp_kernel_pll_00:00:184
1800548995333,19cyclictest0-21swapper/422:51:004
1800548995333,19cyclictest0-21swapper/419:16:334
1800548995319,34cyclictest0-21swapper/420:35:284
1800548995318,15cyclictest0-21swapper/400:05:374
1800548995314,39cyclictest0-21swapper/423:15:524
1800548995314,39cyclictest0-21swapper/420:10:224
1800548995314,39cyclictest0-21swapper/419:43:414
1800548995314,19cyclictest0-21swapper/423:40:214
1800548995313,39cyclictest0-21swapper/423:25:084
1800548995313,39cyclictest0-21swapper/421:00:354
1800548995313,39cyclictest0-21swapper/421:00:344
1800548995313,39cyclictest0-21swapper/419:57:234
1800553995214,19cyclictest0-21swapper/721:05:157
1800548995234,18cyclictest0-21swapper/400:30:374
1800548995233,19cyclictest0-21swapper/423:52:014
1800548995233,19cyclictest0-21swapper/423:32:454
1800548995233,19cyclictest0-21swapper/423:23:414
1800548995233,19cyclictest0-21swapper/422:41:404
1800548995233,19cyclictest0-21swapper/422:10:284
1800548995233,19cyclictest0-21swapper/421:33:134
1800548995233,19cyclictest0-21swapper/421:26:534
1800548995233,19cyclictest0-21swapper/421:14:044
1800548995233,19cyclictest0-21swapper/421:05:054
1800548995233,19cyclictest0-21swapper/420:50:294
1800548995233,19cyclictest0-21swapper/420:50:294
1800548995233,19cyclictest0-21swapper/420:49:254
1800548995233,19cyclictest0-21swapper/420:49:244
1800548995233,19cyclictest0-21swapper/420:20:324
1800548995233,19cyclictest0-21swapper/419:45:294
1800548995233,19cyclictest0-21swapper/419:27:494
1800548995214,38cyclictest0-21swapper/420:42:274
1800548995214,38cyclictest0-21swapper/420:42:264
1800548995214,19cyclictest1924120-21kworker/u32:3+events_unbound23:05:124
1800548995213,19cyclictest0-21swapper/423:01:154
1800548995213,19cyclictest0-21swapper/422:37:034
1800548995212,39cyclictest0-21swapper/422:20:144
1800548995132,19cyclictest0-21swapper/419:52:084
1800547995114,18cyclictest0-21swapper/321:40:153
1800553995012,19cyclictest0-21swapper/721:25:147
1800545994911,19cyclictest0-21swapper/122:50:151
1800547994810,38cyclictest0-21swapper/300:20:163
180055399479,19cyclictest0-21swapper/722:25:157
180055399474,19cyclictest0-21swapper/723:35:147
1800553994728,19cyclictest0-21swapper/721:45:137
180054999479,19cyclictest0-21swapper/500:25:145
1800547994728,19cyclictest0-21swapper/323:25:163
180054799468,19cyclictest0-21swapper/320:40:143
180054799468,19cyclictest0-21swapper/320:40:143
180054499467,39cyclictest0-21swapper/021:35:150
180054499467,39cyclictest0-21swapper/020:15:150
180054799457,19cyclictest0-21swapper/323:35:153
180055399436,18cyclictest0-21swapper/700:35:147
1800549994223,19cyclictest0-21swapper/521:20:145
1800553993920,19cyclictest0-21swapper/719:50:157
180055399390,20cyclictest0-21swapper/719:10:157
180054799391,38cyclictest0-21swapper/319:55:153
180054699391,19cyclictest0-21swapper/223:35:142
180054499390,39cyclictest0-21swapper/022:10:140
180055399380,19cyclictest0-21swapper/723:30:167
180054599380,19cyclictest0-21swapper/120:35:151
180055399370,18cyclictest0-21swapper/723:10:167
1800553993617,19cyclictest871ktimers/722:00:147
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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