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2026-05-21 - 15:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 376 highest latencies:
System rack8slot1.osadl.org (updated Thu May 21, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2401399405122,0cyclictest4450-21runrttasks09:51:000
24013992702262,0cyclictest22525-1kworker/0:0H12:00:570
24013992628713,0cyclictest12304-21latency_hist08:00:570
24013992562973,0cyclictest24104-21grep07:00:560
24013992347772,0cyclictest6114-21munin-node11:00:580
24013992269775,0cyclictest14239-21latency_hist11:25:570
24013992266619,0cyclictest9-21ksoftirqd/012:05:570
24013992222254,0cyclictest22525-1kworker/0:0H11:15:570
24013992195246,0cyclictest22525-1kworker/0:0H07:35:590
24013992194261,0cyclictest22525-1kworker/0:0H08:05:580
24013992143319,0cyclictest22525-1kworker/0:0H10:00:570
24013992138236,0cyclictest22525-1kworker/0:0H09:55:570
24013992120223,0cyclictest22525-1kworker/0:0H12:20:560
24013992118203,0cyclictest22525-1kworker/0:0H09:25:560
24013992092265,0cyclictest22525-1kworker/0:0H10:35:580
24013991932258,0cyclictest22525-1kworker/0:0H09:00:570
24013991896249,0cyclictest22525-1kworker/0:0H07:20:570
240139918701556,0cyclictest9-21ksoftirqd/012:30:520
24013991815131,0cyclictest22525-1kworker/0:0H08:56:000
2401399181330,0cyclictest22525-1kworker/0:0H10:20:520
24013991802273,0cyclictest22525-1kworker/0:0H07:55:580
24013991802265,0cyclictest22525-1kworker/0:0H08:25:580
24013991791279,0cyclictest22525-1kworker/0:0H07:45:580
24013991785276,0cyclictest22525-1kworker/0:0H08:16:000
24013991784164,0cyclictest22525-1kworker/0:0H10:45:580
24013991768624,0cyclictest5464-21munin-node07:40:580
24013991734247,0cyclictest22525-1kworker/0:0H10:25:570
24013991724239,0cyclictest22525-1kworker/0:0H08:45:580
24013991724127,0cyclictest22525-1kworker/0:0H09:13:310
24013991704639,0cyclictest9-21ksoftirqd/010:05:580
24013991703251,0cyclictest22525-1kworker/0:0H09:51:010
24013991700284,0cyclictest22525-1kworker/0:0H07:15:580
24013991694245,0cyclictest31170-21ls12:15:580
24013991690697,0cyclictest4337-21munin-node10:55:560
24013991684657,0cyclictest1595-21jbd2/hda3-809:35:580
24013991681326,0cyclictest22525-1kworker/0:0H10:20:570
24013991670675,0cyclictest9-21ksoftirqd/010:40:570
24013991667218,0cyclictest22525-1kworker/0:0H08:40:570
24013991655262,0cyclictest22525-1kworker/0:0H09:45:570
24013991643723,0cyclictest9-21ksoftirqd/012:11:080
24013991638662,0cyclictest9-21ksoftirqd/007:05:580
24013991631300,0cyclictest22525-1kworker/0:0H11:20:580
24013991621507,0cyclictest9-21ksoftirqd/011:05:570
24013991621247,0cyclictest22525-1kworker/0:0H11:36:000
24013991612296,0cyclictest24011-21cyclictest10:13:500
24013991605282,0cyclictest22525-1kworker/0:0H11:11:090
24013991599467,0cyclictest9-21ksoftirqd/008:35:570
24013991583241,0cyclictest22525-1kworker/0:0H10:51:080
24013991569640,0cyclictest9-21ksoftirqd/011:56:010
2401399155428,0cyclictest22525-1kworker/0:0H08:53:290
24013991550479,0cyclictest9-21ksoftirqd/011:43:220
24013991546753,0cyclictest5191-21mailstats09:16:050
24013991543470,0cyclictest1595-21jbd2/hda3-811:33:310
2401399153185,0cyclictest22525-1kworker/0:0H10:33:420
24013991513399,0cyclictest9-21ksoftirqd/011:48:350
24013991473229,0cyclictest22525-1kworker/0:0H08:33:330
24013991465383,0cyclictest9-21ksoftirqd/011:53:280
24013991460320,0cyclictest9-21ksoftirqd/009:08:260
24013991410413,0cyclictest1595-21jbd2/hda3-807:33:250
24013991406438,0cyclictest1595-21jbd2/hda3-808:23:280
2401399140635,0cyclictest22525-1kworker/0:0H07:13:440
24013991385417,0cyclictest10061-21tune2fs07:53:250
24013991359460,0cyclictest9-21ksoftirqd/008:13:260
24013991338228,0cyclictest22525-1kworker/0:0H07:28:280
24013991308586,0cyclictest9-21ksoftirqd/009:31:100
24013991193586,0cyclictest9-21ksoftirqd/009:21:070
2401399732186,0cyclictest22525-1kworker/0:0H07:00:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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