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2026-04-12 - 18:46
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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 Sun Apr 12, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1536331992010,192cyclictest0-21swapper/109:15:111
1536336998426,18cyclictest191rcu_preempt07:40:156
1536331996830,38cyclictest0-21swapper/112:39:391
1536331996829,39cyclictest0-21swapper/111:34:071
1536331996426,38cyclictest0-21swapper/107:39:331
1536331996425,39cyclictest0-21swapper/110:45:031
1536331995618,19cyclictest1661561-21ntpq10:55:191
1536332995314,39cyclictest0-21swapper/211:15:162
1536331995335,18cyclictest0-21swapper/109:37:471
1536332995214,19cyclictest0-21swapper/208:55:162
1536331995233,19cyclictest0-21swapper/110:18:191
1536336995113,19cyclictest0-21swapper/611:10:166
1536331995132,19cyclictest0-21swapper/109:57:471
1536331995132,19cyclictest0-21swapper/109:13:031
1536331995132,19cyclictest0-21swapper/108:01:421
1536336995012,19cyclictest0-21swapper/610:50:166
1536331995031,19cyclictest0-21swapper/110:32:151
1536331995031,19cyclictest0-21swapper/110:05:261
1536331995031,19cyclictest0-21swapper/107:20:071
1536331995031,0cyclictest0-21swapper/111:58:191
1536331995031,0cyclictest0-21swapper/108:56:511
1536331995031,0cyclictest0-21swapper/108:17:431
1536332994910,39cyclictest0-21swapper/210:30:162
1536331994931,18cyclictest0-21swapper/111:28:191
1536331994931,18cyclictest0-21swapper/110:14:471
1536331994931,18cyclictest0-21swapper/108:33:511
1536331994931,18cyclictest0-21swapper/107:54:221
1536331994930,19cyclictest0-21swapper/112:17:511
1536331994930,19cyclictest0-21swapper/111:51:271
1536331994930,19cyclictest0-21swapper/111:49:371
1536331994930,19cyclictest0-21swapper/111:44:471
1536331994930,19cyclictest0-21swapper/111:21:071
1536331994930,19cyclictest0-21swapper/110:42:061
1536331994930,19cyclictest0-21swapper/109:48:511
1536331994930,19cyclictest0-21swapper/108:42:091
1536331994930,19cyclictest0-21swapper/108:26:021
1536331994930,19cyclictest0-21swapper/107:48:351
1536331994930,19cyclictest0-21swapper/107:11:391
1536331994930,0cyclictest0-21swapper/109:03:511
153633299489,19cyclictest0-21swapper/209:55:162
1536331994830,18cyclictest0-21swapper/109:50:151
1536331994829,19cyclictest0-21swapper/112:26:431
1536331994829,19cyclictest0-21swapper/112:21:271
1536331994829,19cyclictest0-21swapper/111:36:141
1536331994829,19cyclictest0-21swapper/110:53:431
1536331994829,19cyclictest0-21swapper/110:25:591
1536331994829,19cyclictest0-21swapper/110:20:431
1536331994829,19cyclictest0-21swapper/109:27:311
1536331994829,19cyclictest0-21swapper/109:24:091
1536331994829,19cyclictest0-21swapper/109:24:081
1536331994829,19cyclictest0-21swapper/109:08:431
1536331994829,19cyclictest0-21swapper/109:08:431
1536331994829,19cyclictest0-21swapper/108:37:151
1536331994829,19cyclictest0-21swapper/108:23:031
1536331994829,19cyclictest0-21swapper/108:06:031
1536331994829,19cyclictest0-21swapper/107:56:031
1536331994829,0cyclictest0-21swapper/112:30:251
153633099489,39cyclictest0-21swapper/011:15:150
153633299478,20cyclictest0-21swapper/210:45:152
1536332994728,19cyclictest0-21swapper/209:30:152
1536331994729,18cyclictest0-21swapper/107:28:031
1536331994728,19cyclictest0-21swapper/111:19:231
1536331994728,19cyclictest0-21swapper/110:02:551
1536331994728,19cyclictest0-21swapper/107:31:391
153633699469,18cyclictest0-21swapper/611:05:136
153633299468,19cyclictest0-21swapper/210:15:152
1536331994628,18cyclictest0-21swapper/108:49:391
1536331994628,18cyclictest0-21swapper/107:19:121
1536331994627,0cyclictest0-21swapper/112:13:431
153633699456,19cyclictest191rcu_preempt10:10:156
1536331994526,19cyclictest0-21swapper/111:00:191
1536336994425,19cyclictest0-21swapper/612:05:156
153633699435,19cyclictest0-21swapper/611:50:166
153633199410,41cyclictest0-21swapper/112:01:411
153633699391,19cyclictest0-21swapper/607:20:166
153633699390,39cyclictest0-21swapper/612:20:156
153633199390,39cyclictest0-21swapper/109:44:431
153633299380,19cyclictest0-21swapper/210:50:152
1536331993819,19cyclictest0-21swapper/108:10:211
1536335993737,0cyclictest1698353-21kworker/5:2+events12:36:575
1536335993736,0cyclictest1698353-21kworker/5:2+events12:28:435
1536335993736,0cyclictest1591056-21kworker/5:0+events09:37:075
1536335993736,0cyclictest1560876-21kworker/5:1+events08:25:115
1536333993737,0cyclictest0-21swapper/308:01:193
1536331993718,19cyclictest0-21swapper/109:33:491
1536330993736,0cyclictest0-21swapper/009:10:110
1536335993636,0cyclictest1706566-21kworker/5:0+events12:22:585
1536335993636,0cyclictest1585558-21kworker/5:2+events09:34:545
153633499360,35cyclictest0-21swapper/410:50:164
1536331993617,19cyclictest0-21swapper/112:08:211
153633099360,17cyclictest0-21swapper/008:40:150
153633699350,35cyclictest0-21swapper/607:10:156
1536335993535,0cyclictest1681888-21kworker/5:2+events11:33:295
1536335993535,0cyclictest1623868-21kworker/5:1+events09:51:405
1536335993535,0cyclictest1585558-21kworker/5:2+events08:58:005
1536335993535,0cyclictest1538648-21kworker/5:0+events07:55:215
1536335993535,0cyclictest1538648-21kworker/5:0+events07:51:255
1536335993535,0cyclictest1538648-21kworker/5:0+events07:26:425
1536335993534,0cyclictest1626605-21kworker/5:0+events09:55:135
153633499350,34cyclictest0-21swapper/409:30:154
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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