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2025-06-09 - 02:51
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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 50 highest latencies:
System rack4slot6.osadl.org (updated Mon Jun 09, 2025 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15113521060,102pltrace0-21swapper/219:07:202
1219152990,88pltrace0-21swapper/319:05:123
1219152950,91pltrace0-21swapper/619:05:146
1523527360,9sleep50-21swapper/519:07:025
1522827244,9sleep70-21swapper/719:06:567
1512727144,10sleep10-21swapper/119:05:311
1534226551,10sleep00-21swapper/019:08:340
1519725844,10sleep40-21swapper/419:06:294
1563299230,22cyclictest0-21swapper/423:05:214
1818952200,3pltrace18575-21unixbench_multi00:00:267
15632992015,3cyclictest0-21swapper/420:40:464
809652180,0pltrace0-21swapper/721:45:537
1212352180,15pltrace54-21ksoftirqd/420:55:584
546752170,14pltrace54-21ksoftirqd/419:50:044
2378852170,2pltrace0-21swapper/700:13:487
2377252170,10pltrace54-21ksoftirqd/421:20:014
1562399171,4cyclictest0-21swapper/221:46:122
1562399170,16cyclictest0-21swapper/220:28:102
1536452170,12pltrace54-21ksoftirqd/421:05:014
2377252160,0pltrace0-21swapper/721:17:067
15643991611,3cyclictest0-21swapper/721:11:377
1564399160,15cyclictest0-21swapper/721:28:237
1563899160,4cyclictest0-21swapper/600:19:406
1563299161,14cyclictest0-21swapper/419:41:384
1562799161,8cyclictest0-21swapper/323:36:063
1562799160,8cyclictest0-21swapper/300:21:583
1562799160,5cyclictest0-21swapper/321:43:453
1562799160,15cyclictest0-21swapper/320:39:303
15623991610,5cyclictest0-21swapper/223:35:062
15623991610,5cyclictest0-21swapper/221:04:162
15623991610,5cyclictest0-21swapper/219:56:082
1562399161,8cyclictest0-21swapper/219:35:052
1562399161,7cyclictest0-21swapper/219:17:352
1562399161,4cyclictest0-21swapper/200:21:532
1562399160,8cyclictest0-21swapper/221:13:372
1562399160,8cyclictest0-21swapper/219:50:592
1562399160,5cyclictest0-21swapper/222:28:212
1562399160,15cyclictest0-21swapper/220:14:292
1562399160,1cyclictest0-21swapper/221:40:252
1562399160,1cyclictest0-21swapper/220:52:382
1562399160,1cyclictest0-21swapper/200:11:482
15610991613,2cyclictest1065-17auditd00:25:010
1561099161,7cyclictest0-21swapper/022:53:580
1561099161,4cyclictest0-21swapper/000:30:010
546752150,3pltrace0-21swapper/719:47:057
413352150,3pltrace54-21ksoftirqd/423:39:494
3263752150,2pltrace0-21swapper/719:37:037
2981052150,10pltrace54-21ksoftirqd/400:24:074
2501552150,10pltrace54-21ksoftirqd/420:20:354
2206552150,8pltrace1697-21lldpd22:10:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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