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2026-01-01 - 12:31
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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 20 highest latencies:
System rack0slot7.osadl.org (updated Thu Jan 01, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
345215699458458,0cyclictest0-21swapper/722:34:5313
34521649945423,28cyclictest0-21swapper/1523:51:587
34521649945419,434cyclictest0-21swapper/1522:59:537
34521649945413,30cyclictest0-21swapper/1521:36:447
34521509945420,28cyclictest0-21swapper/220:59:468
34521649945219,28cyclictest0-21swapper/1520:49:207
34521649945217,28cyclictest0-21swapper/1522:20:557
34521649945217,28cyclictest0-21swapper/1522:20:557
34521649945121,28cyclictest0-21swapper/1522:45:207
34521649945121,28cyclictest0-21swapper/1519:11:227
34521649945118,29cyclictest0-21swapper/1519:57:297
34521509945124,27cyclictest0-21swapper/221:12:328
34521509945111,22cyclictest0-21swapper/221:17:588
34521649945017,28cyclictest0-21swapper/1522:01:227
34521649944917,28cyclictest0-21swapper/1519:18:337
34521649944818,27cyclictest0-21swapper/1519:36:217
34521649944817,28cyclictest0-21swapper/1521:06:467
34521649944817,28cyclictest0-21swapper/1520:17:197
34521509944814,27cyclictest0-21swapper/221:22:348
34521649944716,28cyclictest0-21swapper/1522:40:487
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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