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2026-04-02 - 20:52
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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 792 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
232079910647553470,53005cyclictest0-21swapper11:30:380
232079910647353469,53004cyclictest0-21swapper09:28:030
232079910647053458,53012cyclictest0-21swapper08:15:520
232079910646253409,53053cyclictest0-21swapper09:33:350
232079910646153491,52970cyclictest0-21swapper11:02:200
232079910643553387,53048cyclictest0-21swapper10:08:350
232079910642353392,53031cyclictest0-21swapper11:37:410
232079910642153448,52973cyclictest0-21swapper08:21:440
232079910640253418,52984cyclictest0-21swapper11:47:030
232079910628853477,52754cyclictest0-21swapper12:00:370
232079910627853407,52809cyclictest9-21ksoftirqd/007:54:360
232079910627853376,52810cyclictest9-21ksoftirqd/008:13:220
232079910622953475,52754cyclictest0-21swapper10:40:040
232079910621453397,52752cyclictest30160-21kworker/0:207:38:120
232079910621353468,52745cyclictest0-21swapper08:29:460
232079910619053462,52728cyclictest0-21swapper10:28:410
232079910618853454,52734cyclictest0-21swapper11:59:070
232079910616753406,52761cyclictest0-21swapper07:49:550
232079910614953397,52752cyclictest0-21swapper08:36:080
232079910614453438,52661cyclictest27935-21kworker/0:108:57:340
232079910612753426,52701cyclictest0-21swapper08:05:490
232079910566152999,52660cyclictest10001-21ssh10:57:190
232079910508953013,52074cyclictest13850-21ssh11:50:440
232079910499952905,52092cyclictest0-21swapper12:14:410
23207995392253457,465cyclictest0-21swapper11:23:060
23207995363453457,177cyclictest0-21swapper07:42:230
23207995321629,53187cyclictest0-21swapper11:43:520
23207995321024,0cyclictest0-21swapper11:12:330
23207995316726,385cyclictest0-21swapper07:26:280
23207995316653110,56cyclictest0-21swapper09:51:200
23207995315527,0cyclictest0-21swapper08:53:430
2320799521038,52093cyclictest0-21swapper09:37:260
232079923001021,1154cyclictest31286-21ssh12:17:220
232079922971028,1170cyclictest6052-21ssh10:03:430
232079920751026,1013cyclictest0-21swapper10:32:120
232079920571026,909cyclictest2099-21runrttasks10:21:180
232079919991006,958cyclictest0-21swapper10:53:080
232079918051093,616cyclictest1949-21diskmemload12:08:290
232079917381059,332cyclictest0-21swapper10:45:250
22765216551105,360sleep00-21swapper07:08:030
232079916261072,462cyclictest9-21ksoftirqd/007:10:230
23207991558746,804cyclictest0-21swapper10:13:260
23207991514975,503cyclictest16678-21ssh11:07:120
23207991513993,430cyclictest9-21ksoftirqd/007:55:160
23207991471989,417cyclictest0-21swapper08:31:470
232079914611093,368cyclictest0-21swapper08:41:200
232079914591096,363cyclictest0-21swapper08:45:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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