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2026-04-02 - 15:01
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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
Characteristics of the 20 highest latencies:
System rack6slot6 (updated Thu Apr 02, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232079910749753481,53894cyclictest12078-21ssh12:36:480
232079910738253442,53844cyclictest23168-21ssh11:16:440
232079910724653390,53761cyclictest1741-21hald09:05:070
232079910716653412,53659cyclictest0-21swapper08:03:190
232079910706053439,53556cyclictest9-21ksoftirqd/012:21:230
232079910677653442,53245cyclictest23192-21cyclictest10:17:370
232079910676253469,53293cyclictest0-21swapper09:49:290
232079910675253425,53229cyclictest1907-21snmpd07:32:300
232079910674353431,53312cyclictest0-21swapper12:27:550
232079910671853406,53247cyclictest11-21rcu_preempt09:13:190
232079910668353392,53225cyclictest3950irq/9-acpi09:42:570
232079910664553391,53188cyclictest0-21swapper10:36:030
232079910654753478,53069cyclictest0-21swapper07:19:560
232079910654753450,53097cyclictest0-21swapper09:22:110
232079910651653447,53069cyclictest0-21swapper07:21:470
232079910651153472,53039cyclictest0-21swapper09:04:060
232079910649953469,53030cyclictest0-21swapper09:59:120
232079910649953463,53036cyclictest0-21swapper09:16:000
232079910649653472,53024cyclictest0-21swapper11:28:380
232079910647753459,53018cyclictest0-21swapper12:34:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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