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2026-04-25 - 17:35
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Sat Apr 25, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1558599107935505,5277cyclictest361-21kworker/0:207:19:400
155859993934704,4666cyclictest17091-21kworker/0:012:14:480
155859992144614,4576cyclictest7851-21kworker/0:009:41:350
155859992124619,4578cyclictest26519-21kworker/0:007:56:480
155859990494651,4393cyclictest26519-21kworker/0:008:09:060
155859987144488,4223cyclictest361-21kworker/0:207:12:410
155859986814305,4316cyclictest361-21kworker/0:207:23:230
155859986714425,4231cyclictest978-21kworker/0:010:33:460
155859986174404,4189cyclictest22031-21kworker/0:011:19:580
155859986124284,4286cyclictest26519-21kworker/0:007:39:190
155859985924406,4163cyclictest24443-21kworker/0:010:16:460
155859983784371,3955cyclictest361-21kworker/0:207:31:210
155859979484151,3756cyclictest22327-21kworker/0:109:03:130
155859979344255,3655cyclictest32668-21kworker/0:209:29:540
155859978264008,3803cyclictest8377-21kworker/0:012:00:200
155859976894139,3534cyclictest951-21kworker/0:211:47:000
155859975473972,3561cyclictest21649-21kworker/0:210:08:450
155859975293958,3556cyclictest14777-21kworker/0:211:00:350
155859973893884,3490cyclictest7851-21kworker/0:009:57:330
155859973413662,3636cyclictest7228-21kworker/0:108:38:150
155859971753789,3371cyclictest7851-21kworker/0:009:50:400
155859971413668,3450cyclictest30728-21kworker/0:011:34:460
155859971013663,3427cyclictest30722-21kworker/0:110:24:570
155859968073479,3313cyclictest8377-21kworker/0:011:57:080
155859967313582,3134cyclictest19784-21kworker/0:112:29:500
155859967073342,3350cyclictest22327-21kworker/0:108:59:520
155859966133408,3191cyclictest7228-21kworker/0:108:40:170
155859965693443,3083cyclictest14777-21kworker/0:210:57:570
155859965383360,3164cyclictest27094-21kworker/0:012:39:480
155859965303481,3034cyclictest7228-21kworker/0:108:21:300
155859964873404,3006cyclictest7851-21kworker/0:009:39:330
155859964503605,2794cyclictest7228-21kworker/0:108:17:520
155859963743458,2865cyclictest26519-21kworker/0:007:54:310
155859963673311,3014cyclictest24443-21kworker/0:010:14:290
155859963473243,3081cyclictest7851-21kworker/0:009:48:430
155859961023007,3007cyclictest951-21kworker/0:211:44:010
155859960873251,2821cyclictest26519-21kworker/0:007:43:390
155859954402917,2509cyclictest6051-21kworker/0:210:42:040
155859938782134,1729cyclictest6051-21kworker/0:210:45:150
153032810185,178sleep00-21swapper07:08:170
155859952291,257cyclictest11-21ksoftirqd/012:22:040
155859951534,420cyclictest30859-31mandb07:47:530
155859951031,416cyclictest14288-21grep12:05:580
155859949032,386cyclictest32766-21rm09:19:520
155859948333,380cyclictest1236-21ssh11:39:220
155859948131,426cyclictest18244-21idleruntime11:05:200
1558599478130,288cyclictest11-21ksoftirqd/011:24:370
155859946631,373cyclictest21705-21cron10:05:000
155859946531,419cyclictest23004-21cron08:55:000
155859946433,370cyclictest12354-21ssh10:51:360
155859945931,413cyclictest23549-21latency_hist07:30:050
155859945637,357cyclictest28586-21diskmemload10:35:120
155859945631,243cyclictest27478-21grep11:25:390
155859945336,355cyclictest28586-21diskmemload11:51:480
155859945334,359cyclictest4894-21runrttasks08:46:500
155859945331,407cyclictest6800-21ssh09:31:270
155859945331,361cyclictest28586-21diskmemload12:31:140
155859945232,358cyclictest4253-21lldpd09:07:250
155859945075,88cyclictest13-21rcuc/012:19:330
155859945034,234cyclictest1599-21wc09:21:290
155859945032,250cyclictest28586-21diskmemload11:13:200
155859944932,356cyclictest13877-21munin-node08:30:310
155859944232,348cyclictest29956-21proc_pri09:11:450
155859941635,321cyclictest692-21ssh10:27:010
155859940036,352cyclictest26519-21kworker/0:008:02:560
155859937932,0cyclictest7468-21runrttasks08:10:520
155859937633,282cyclictest12337-21sed08:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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