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2025-08-22 - 00:11
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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 rack0slot7.osadl.org (updated Thu Aug 21, 2025 00:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37296589948651,431cyclictest0-21swapper/023:28:370
37296589948450,431cyclictest0-21swapper/023:52:430
37296589948423,458cyclictest0-21swapper/000:27:370
37296589947820,27cyclictest0-21swapper/019:24:380
37296589945824,27cyclictest0-21swapper/022:08:590
37296589945822,432cyclictest0-21swapper/022:01:380
37297129945622,433cyclictest0-21swapper/1522:13:387
37296589945523,28cyclictest17-21ksoftirqd/023:55:420
37296589945520,431cyclictest0-21swapper/022:52:370
37297129945421,28cyclictest0-21swapper/1521:53:357
37297129945321,431cyclictest0-21swapper/1520:57:377
37297129945321,28cyclictest0-21swapper/1519:45:387
37296589945320,28cyclictest0-21swapper/023:39:370
37297129945220,28cyclictest0-21swapper/1522:46:357
37297129945119,28cyclictest0-21swapper/1521:57:377
37297129945119,28cyclictest0-21swapper/1520:01:597
37296689944817,28cyclictest0-21swapper/319:39:279
37297079944723,28cyclictest0-21swapper/1422:45:596
37297129944311,28cyclictest0-21swapper/1500:21:597
3729712994429,28cyclictest0-21swapper/1520:31:597
37297129944210,28cyclictest0-21swapper/1523:08:597
37296939944211,27cyclictest0-21swapper/1021:20:452
3729668994423,27cyclictest0-21swapper/321:39:159
3729712994409,28cyclictest0-21swapper/1522:38:597
3729693994386,27cyclictest0-21swapper/1022:04:442
3729712994376,28cyclictest0-21swapper/1523:31:377
3729712994376,28cyclictest0-21swapper/1520:52:157
3729665994373,27cyclictest0-21swapper/222:50:378
3729665994353,28cyclictest0-21swapper/220:46:448
3729665994351,27cyclictest0-21swapper/200:15:378
3729665994340,27cyclictest0-21swapper/220:17:368
3729665994340,26cyclictest0-21swapper/200:29:368
3729693994330,27cyclictest0-21swapper/1023:15:592
3729712994322,28cyclictest0-21swapper/1521:47:457
37296979943022,407cyclictest0-21swapper/1123:27:373
37296979943022,405cyclictest0-21swapper/1123:41:373
37296979943022,405cyclictest0-21swapper/1123:41:373
37296739943024,405cyclictest67-21ksoftirqd/420:51:1510
3729707994290,428cyclictest0-21swapper/1421:27:456
37296979942922,405cyclictest0-21swapper/1121:17:353
37296979942922,405cyclictest0-21swapper/1121:17:343
37296979942922,405cyclictest0-21swapper/1119:36:373
37296979942821,405cyclictest0-21swapper/1119:17:413
3729707994270,427cyclictest0-21swapper/1419:55:596
37296979942721,406cyclictest0-21swapper/1120:42:383
37296979942721,404cyclictest0-21swapper/1123:00:373
37296979942624,401cyclictest0-21swapper/1120:35:593
37296939942620,406cyclictest0-21swapper/1023:41:142
37296939942620,406cyclictest0-21swapper/1023:41:142
37296689942621,404cyclictest0-21swapper/320:43:589
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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