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2025-10-14 - 06:17
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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
Characteristics of the 50 highest latencies:
System rack6slot5.osadl.org (updated Tue Oct 14, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
860599109055585,5309cyclictest2732-21kworker/0:020:22:260
860599103635185,5164cyclictest5143-21kworker/0:222:44:100
860599100145212,4790cyclictest2732-21kworker/0:021:31:490
86059998305117,4708cyclictest5143-21kworker/0:222:45:400
86059996605147,4502cyclictest21516-21kworker/0:022:16:450
86059993214772,4538cyclictest2732-21kworker/0:021:15:470
86059992774776,4497cyclictest2732-21kworker/0:020:43:020
86059992174890,4275cyclictest2732-21kworker/0:021:02:000
86059992174745,4467cyclictest29768-21kworker/0:023:26:340
86059992104645,4561cyclictest2732-21kworker/0:021:27:510
86059991924735,4447cyclictest2732-21kworker/0:021:23:440
86059991894731,4454cyclictest4589-21kworker/0:223:47:180
86059991804723,4446cyclictest27107-21kworker/0:219:27:430
86059991604689,4466cyclictest23058-21kworker/0:100:16:340
86059991404687,4442cyclictest23310-21kworker/0:123:14:150
86059990634774,4286cyclictest27107-21kworker/0:219:13:560
86059990404763,4274cyclictest27107-21kworker/0:219:19:370
86059990124617,4389cyclictest14054-21kworker/0:223:01:520
86059989864774,4152cyclictest27107-21kworker/0:219:21:130
86059988424532,4299cyclictest2732-21kworker/0:020:34:470
86059988354555,4275cyclictest5573-21kworker/0:221:56:390
86059988244440,4373cyclictest5573-21kworker/0:222:00:250
86059988224549,4269cyclictest27107-21kworker/0:220:02:050
86059987854520,4254cyclictest4589-21kworker/0:200:08:250
86059986994553,4135cyclictest26920-21kworker/0:200:37:520
86059986684371,4293cyclictest27107-21kworker/0:219:35:020
86059986584358,4295cyclictest21516-21kworker/0:022:20:420
86059986154432,4172cyclictest4589-21kworker/0:223:38:430
86059986004581,3959cyclictest2732-21kworker/0:020:53:380
86059985374306,4227cyclictest4589-21kworker/0:200:00:140
86059983214346,3923cyclictest2732-21kworker/0:021:06:180
86059982224098,4082cyclictest27107-21kworker/0:220:12:150
86059981504055,4043cyclictest27107-21kworker/0:219:52:110
86059981024243,3808cyclictest5573-21kworker/0:221:47:020
86059981004234,3814cyclictest5573-21kworker/0:221:51:080
86059977374062,3632cyclictest2732-21kworker/0:021:42:560
86059975973889,3685cyclictest21516-21kworker/0:022:31:020
86059975483961,3536cyclictest14054-21kworker/0:223:08:330
86059975393772,3752cyclictest2732-21kworker/0:020:45:230
86059974743973,3449cyclictest21516-21kworker/0:022:39:400
86059974073884,3463cyclictest27107-21kworker/0:219:40:410
86059971973784,3362cyclictest23310-21kworker/0:123:21:030
86059971853874,3268cyclictest4589-21kworker/0:223:41:190
86059971653800,3360cyclictest2732-21kworker/0:021:12:000
86059971503666,3432cyclictest27107-21kworker/0:219:48:140
86059971063888,3206cyclictest2732-21kworker/0:020:38:540
86059970303845,3174cyclictest2732-21kworker/0:020:59:420
86059969053687,3207cyclictest2732-21kworker/0:021:35:570
86059968853650,3221cyclictest23310-21kworker/0:123:16:450
86059967673618,3139cyclictest26920-21kworker/0:200:24:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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