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2026-05-05 - 05:29
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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 rack4slot6.osadl.org (updated Tue May 05, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1551521380,134pltrace0-21swapper/319:05:563
1551521030,100pltrace0-21swapper/519:05:205
1551521000,95pltrace0-21swapper/719:05:237
433852980,90pltrace0-21swapper/119:10:001
2907952960,1pltrace0-21swapper/523:44:505
155152920,78pltrace0-21swapper/219:05:162
155152910,83pltrace0-21swapper/619:05:186
166122820,0sleep40-21swapper/419:30:014
423226046,10sleep00-21swapper/019:08:350
422725844,10sleep40-21swapper/419:08:314
2350052460,1pltrace23502-21tee23:34:497
1577652310,2pltrace0-21swapper/721:25:147
1577652310,2pltrace0-21swapper/721:25:147
1468952280,1pltrace14691-21tee20:24:495
1639752270,4pltrace0-21swapper/719:30:167
456099220,21cyclictest0-21swapper/620:35:196
241052200,1sleep50-21swapper/520:40:125
1901452200,0pltrace0-21swapper/700:25:127
4557991812,5cyclictest0-21swapper/521:27:515
4557991812,5cyclictest0-21swapper/521:27:515
455299180,18cyclictest0-21swapper/421:00:204
2583552180,5pltrace0-21swapper/720:47:517
1918452180,0pltrace0-21swapper/719:38:507
4565991710,1cyclictest191rcu_preempt23:19:307
4552991714,2cyclictest1146-21snmpd00:34:214
455299171,8cyclictest0-21swapper/419:56:184
454499170,16cyclictest18509-21cpuspeed_turbos23:25:132
453699171,14cyclictest0-21swapper/021:35:120
2800052170,0pltrace0-21swapper/722:45:557
2458752170,0pltrace0-21swapper/700:36:177
740352160,0pltrace0-21swapper/721:10:027
461652160,5pltrace0-21swapper/121:06:081
4565991611,3cyclictest0-21swapper/721:39:217
4565991611,2cyclictest0-21swapper/700:12:057
456599161,14cyclictest0-21swapper/723:37:517
456599161,14cyclictest0-21swapper/722:56:337
456599160,2cyclictest0-21swapper/721:00:207
4560991611,3cyclictest0-21swapper/621:01:356
456099161,8cyclictest0-21swapper/619:19:536
456099160,14cyclictest24325-21processes22:35:176
4557991612,3cyclictest0-21swapper/500:37:565
4557991610,5cyclictest0-21swapper/523:46:285
4557991610,5cyclictest0-21swapper/521:31:125
455799161,14cyclictest0-21swapper/521:23:425
455799161,14cyclictest0-21swapper/521:00:415
455799160,8cyclictest0-21swapper/523:01:095
455799160,4cyclictest378-21cat21:55:015
455799160,15cyclictest0-21swapper/520:28:515
4552991614,1cyclictest0-21swapper/422:00:014
455299161,4cyclictest0-21swapper/400:38:074
455299160,15cyclictest0-21swapper/423:03:304
454899161,8cyclictest0-21swapper/320:33:553
454499161,14cyclictest0-21swapper/221:57:132
4541991610,5cyclictest0-21swapper/121:35:121
454199161,8cyclictest0-21swapper/119:43:271
454199161,14cyclictest0-21swapper/121:17:361
454199161,14cyclictest0-21swapper/119:51:361
454199160,8cyclictest0-21swapper/100:24:331
453699161,8cyclictest0-21swapper/023:46:050
453699161,8cyclictest0-21swapper/021:12:140
453699160,4cyclictest0-21swapper/023:08:530
3140852160,8pltrace32706-21expr20:55:141
208852160,1sleep60-21swapper/600:25:196
1963552160,11pltrace20500-21expr22:30:113
4565991510,4cyclictest0-21swapper/720:31:497
456599150,7cyclictest0-21swapper/720:25:597
456599150,7cyclictest0-21swapper/719:45:187
456599150,14cyclictest0-21swapper/720:09:577
456599150,13cyclictest0-21swapper/722:54:007
456599150,13cyclictest0-21swapper/720:21:347
456099159,5cyclictest0-21swapper/621:20:366
4560991511,3cyclictest0-21swapper/621:12:026
456099150,7cyclictest0-21swapper/622:42:056
456099150,3cyclictest0-21swapper/623:07:326
456099150,14cyclictest0-21swapper/623:14:276
456099150,14cyclictest0-21swapper/621:55:406
456099150,14cyclictest0-21swapper/621:34:366
4557991510,3cyclictest0-21swapper/519:45:365
455799151,6cyclictest0-21swapper/520:03:125
455799150,14cyclictest0-21swapper/500:20:285
455799150,14cyclictest0-21swapper/500:05:595
455299151,3cyclictest0-21swapper/421:23:304
455299150,8cyclictest0-21swapper/423:34:464
455299150,3cyclictest0-21swapper/420:04:594
455299150,14cyclictest0-21swapper/423:16:064
4548991513,1cyclictest0-21swapper/323:40:113
4548991510,3cyclictest0-21swapper/322:52:303
454899150,8cyclictest0-21swapper/320:29:553
454899150,3cyclictest0-21swapper/322:35:313
454899150,14cyclictest0-21swapper/323:49:163
454899150,14cyclictest0-21swapper/322:44:023
454899150,14cyclictest0-21swapper/321:13:343
4544991512,2cyclictest1146-21snmpd21:09:142
4544991511,2cyclictest0-21swapper/222:24:592
4544991510,3cyclictest0-21swapper/223:01:452
4544991510,3cyclictest0-21swapper/222:00:552
454499150,8cyclictest0-21swapper/221:28:392
454499150,8cyclictest0-21swapper/221:28:382
454499150,3cyclictest0-21swapper/200:12:592
454499150,14cyclictest0-21swapper/223:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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