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2026-08-16 - 18:12
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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 all highest latencies:
System rack6slot5.osadl.org (updated Sun Aug 16, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23779993655039,4323cyclictest1090-21kworker/0:107:12:300
23779978884060,3786cyclictest1090-21kworker/0:107:29:260
23779975693935,3612cyclictest1090-21kworker/0:107:31:410
23779963953444,2941cyclictest1090-21kworker/0:107:15:490
23779957903161,2625cyclictest1090-21kworker/0:107:20:580
19592744186,203sleep00-21swapper07:07:120
23779950767,96cyclictest195232sleep009:17:360
23779950763,383cyclictest10422-21munin-node11:21:260
23779948135,375cyclictest30596-21head10:55:280
23779947533,381cyclictest27547-21awk09:35:430
23779946938,362cyclictest23025-21ssh09:25:420
23779946937,372cyclictest15560-21diskmemload11:36:220
23779946834,434cyclictest0-21swapper09:14:540
23779946732,374cyclictest27542-21munin-node08:15:540
23779946622,384cyclictest21165-21ssh10:34:380
23779946316,386cyclictest12-21rcu_preempt11:46:120
23779945725,247cyclictest791-21sed08:30:190
23779944017,247cyclictest23197-21ssh10:38:390
23779943868,187cyclictest0-21swapper08:59:410
23779943068,303cyclictest0-21swapper07:39:320
23779942968,178cyclictest9538-21ssh10:07:220
23779942237,370cyclictest12-21rcu_preempt09:56:150
23779940941,355cyclictest351950irq/10-yenta10:21:570
23779940835,373cyclictest0-21swapper11:08:040
23779940532,361cyclictest1029-21munin-node11:01:020
23779940239,349cyclictest24793-21ssh11:55:070
23779940236,352cyclictest16742-21df_abs07:45:300
23779940232,357cyclictest5447-21kworker/u2:012:27:540
23779940033,360cyclictest21721-21ssh09:22:220
23779939832,355cyclictest24985-21cstates08:05:580
23779939734,363cyclictest8242-21munin-node08:50:240
23779939632,350cyclictest13174-21ls09:01:010
23779939534,361cyclictest0-21swapper12:39:530
23779939523,360cyclictest22612-21munin-node11:50:380
23779939519,87cyclictest28797-21sh12:03:060
23779939429,365cyclictest3434-21ssh12:19:570
23779939333,88cyclictest11614-21ssh10:11:370
23779939332,347cyclictest29558-21ssh10:51:560
23779939254,280cyclictest3178-21ssh09:54:370
23779939228,350cyclictest9703-21ssh12:32:080
23779939132,345cyclictest7570-21wc08:46:000
23779939126,351cyclictest24464-21strings10:40:540
23779938938,338cyclictest11-21ksoftirqd/009:48:140
23779938834,354cyclictest0-21swapper12:21:260
23779938715,358cyclictest27723-21ssh10:48:510
23779938632,341cyclictest15560-21diskmemload11:16:030
23779938632,340cyclictest15560-21diskmemload12:05:580
23779938632,340cyclictest15560-21diskmemload09:44:050
23779938432,338cyclictest15560-21diskmemload09:31:230
23779938432,338cyclictest13215-21ssh11:28:330
23779938432,337cyclictest17608-21ssh10:25:460
23779938132,349cyclictest0-21swapper07:50:170
23779938132,289cyclictest22436-21grep08:00:270
23779937931,287cyclictest15036-21tune2fs11:31:330
23779937544,271cyclictest14030-21ssh10:17:340
23779937341,271cyclictest5959-21sshd10:00:260
23779937331,342cyclictest0-21swapper09:05:520
23779937233,280cyclictest15560-21diskmemload11:44:380
237799366110,243cyclictest4572-21cron11:10:060
23779936542,89cyclictest4924-21runrttasks07:43:550
23779936190,259cyclictest4285-21lldpd08:21:450
23779935831,268cyclictest1096-21sh12:14:250
23779935628,268cyclictest3256-21expr08:35:350
23779935466,275cyclictest0-21swapper08:13:330
23779935324,90cyclictest86650irq/10-i91508:40:530
23779934816,91cyclictest32048-21strings08:25:400
23779933766,213cyclictest0-21swapper07:59:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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