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2026-01-05 - 08:23
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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 Mon Jan 05, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3602226991580,157cyclictest0-21swapper/119:58:271
3602225991230,122cyclictest0-21swapper/019:58:260
360222799890,88cyclictest0-21swapper/222:40:142
3602229998483,0cyclictest3767543-21/usr/sbin/munin00:00:204
360222999833,40cyclictest3643390-21head20:20:174
3602229997737,18cyclictest6050ktimers/419:10:214
3602229997519,19cyclictest0-21swapper/423:08:534
3602229997517,39cyclictest3674957-21tune2fs21:15:144
3602229997414,59cyclictest0-21swapper/423:49:334
3602229997333,19cyclictest0-21swapper/422:05:574
3602229997233,20cyclictest0-21swapper/422:47:534
3602229997131,19cyclictest6050ktimers/421:33:214
3602229996930,39cyclictest6050ktimers/419:50:014
3602229996929,19cyclictest0-21swapper/422:31:174
3602229996929,19cyclictest0-21swapper/419:15:494
3602229996828,19cyclictest0-21swapper/423:25:124
3602229996827,39cyclictest0-21swapper/420:54:444
360222999679,39cyclictest3729550-21ld22:50:194
360222999679,39cyclictest3712765-21ntpq22:20:214
3602229996728,39cyclictest0-21swapper/400:24:114
3602229996527,19cyclictest870-21mta-sts-daemon21:00:174
3602229996426,20cyclictest3627641-21latency_hist19:55:014
360222999634,40cyclictest3691480-21/usr/sbin/munin21:45:194
3602229996021,19cyclictest0-21swapper/423:53:574
3602229996020,39cyclictest0-21swapper/422:25:274
3602229995819,39cyclictest0-21swapper/421:20:314
3602229995817,20cyclictest3651095-21chrt20:33:454
3602229995817,20cyclictest3651095-21chrt20:33:444
360222999580,39cyclictest3639331-21taskset20:13:354
3602229995719,37cyclictest0-21swapper/422:42:134
3602229995717,39cyclictest601ktimers/422:15:114
360222999570,38cyclictest3750665-21kworker/u32:1+events_unbound00:17:154
3602230995616,39cyclictest70-21ksoftirqd/520:45:155
3602230995616,39cyclictest70-21ksoftirqd/520:45:145
3602229995639,0cyclictest0-21swapper/422:10:234
3602229995619,19cyclictest0-21swapper/419:25:094
360222999560,54cyclictest3648836-21kworker/u32:3+events_unbound20:43:034
360222999560,37cyclictest3662862-21kworker/u32:1+events_unbound20:55:394
3602229995519,17cyclictest0-21swapper/421:59:374
3602229995519,17cyclictest0-21swapper/419:31:574
3602229995519,16cyclictest0-21swapper/400:26:204
3602229995514,40cyclictest0-21swapper/423:33:254
3602229995514,40cyclictest0-21swapper/421:37:494
3602229995514,40cyclictest0-21swapper/421:11:414
3602229995514,40cyclictest0-21swapper/420:45:534
3602229995514,40cyclictest0-21swapper/420:45:534
3602229995514,40cyclictest0-21swapper/420:07:414
3602229995514,40cyclictest0-21swapper/400:09:334
3602229995419,35cyclictest0-21swapper/423:00:544
3602229995419,35cyclictest0-21swapper/421:40:034
3602229995419,35cyclictest0-21swapper/420:36:474
3602229995419,15cyclictest0-21swapper/423:21:194
3602229995419,15cyclictest0-21swapper/423:11:594
3602229995419,15cyclictest0-21swapper/419:57:534
3602229995416,19cyclictest3757573-21ntpq23:40:214
3602229995415,19cyclictest0-21swapper/423:16:164
3602229995414,40cyclictest0-21swapper/423:37:214
3602229995414,40cyclictest0-21swapper/422:55:494
3602229995414,40cyclictest0-21swapper/422:35:574
3602229995414,40cyclictest0-21swapper/400:12:134
3602229995414,39cyclictest0-21swapper/421:25:134
3602229995414,39cyclictest0-21swapper/420:15:114
3602229995414,39cyclictest0-21swapper/419:20:434
3602229995414,22cyclictest0-21swapper/423:55:414
3602229995414,22cyclictest0-21swapper/400:30:534
3602229995414,21cyclictest0-21swapper/422:00:574
3602229995414,21cyclictest0-21swapper/421:52:094
3602229995414,21cyclictest0-21swapper/421:05:454
3602229995414,21cyclictest0-21swapper/420:26:054
3602229995414,21cyclictest0-21swapper/420:26:044
3602229995414,21cyclictest0-21swapper/420:04:054
3602229995414,21cyclictest0-21swapper/400:36:044
3602229995414,19cyclictest0-21swapper/419:37:294
3602229995413,40cyclictest0-21swapper/419:41:014
3602231995310,19cyclictest0-21swapper/600:05:156
3602230995313,39cyclictest0-21swapper/522:55:145
3602227995313,39cyclictest0-21swapper/221:00:182
3602232995214,19cyclictest0-21swapper/721:25:177
3602231995012,19cyclictest0-21swapper/623:30:146
3602230995013,18cyclictest0-21swapper/500:35:185
3602225995031,19cyclictest0-21swapper/023:40:170
360223299489,19cyclictest0-21swapper/722:50:157
3602230994848,0cyclictest0-21swapper/523:22:135
3602227994810,19cyclictest0-21swapper/222:35:172
3602227994810,19cyclictest0-21swapper/219:55:182
3602230994710,18cyclictest0-21swapper/520:40:175
360222799479,19cyclictest0-21swapper/220:50:172
360222599478,39cyclictest0-21swapper/022:00:150
360223099455,39cyclictest0-21swapper/500:10:145
3602225994526,19cyclictest0-21swapper/022:45:170
360223299435,19cyclictest0-21swapper/723:00:177
360223199435,19cyclictest0-21swapper/621:00:186
360223299424,19cyclictest0-21swapper/722:05:167
360222799424,19cyclictest0-21swapper/221:15:162
360223299413,19cyclictest0-21swapper/721:15:177
360222599413,19cyclictest0-21swapper/020:15:200
3602231994014,1cyclictest0-21swapper/600:35:186
360223099400,20cyclictest0-21swapper/523:45:155
360222699402,19cyclictest0-21swapper/120:45:151
360222699402,19cyclictest0-21swapper/120:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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