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2026-07-12 - 00:10
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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 highest latencies:
System rack8slot1.osadl.org (updated Sat Jul 11, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21375992864855,0cyclictest4137-21lldpd08:18:250
21375992534698,0cyclictest10174-21cron07:57:500
21375992441272,0cyclictest25562-1kworker/0:0H09:37:510
21375992408288,0cyclictest25562-1kworker/0:0H11:17:490
21375992373292,0cyclictest25562-1kworker/0:0H09:57:500
21375992331268,0cyclictest25562-1kworker/0:0H11:32:490
21375992328642,0cyclictest21715-21latency_hist11:37:490
21375992327583,0cyclictest1595-21jbd2/hda3-808:37:510
21375992326239,0cyclictest25562-1kworker/0:0H12:17:500
21375992324230,0cyclictest25562-1kworker/0:0H10:32:500
21375992309236,0cyclictest25562-1kworker/0:0H10:12:500
21375992308639,0cyclictest9-21ksoftirqd/011:52:500
21375992293260,0cyclictest25562-1kworker/0:0H10:52:500
21375992292288,0cyclictest25562-1kworker/0:0H09:42:490
21375992292192,0cyclictest25562-1kworker/0:0H08:52:500
21375992270577,0cyclictest9-21ksoftirqd/011:22:500
21375992189232,0cyclictest25562-1kworker/0:0H09:12:540
21375992177608,0cyclictest698-21latency_hist09:02:500
21375992174202,0cyclictest25562-1kworker/0:0H08:02:500
21375992156638,0cyclictest23588-21sed11:42:490
21375992149234,0cyclictest25562-1kworker/0:0H11:12:500
21375992147623,0cyclictest22569-21latency_hist08:32:500
21375992101261,0cyclictest25562-1kworker/0:0H09:32:500
21375992074249,0cyclictest25562-1kworker/0:0H08:42:500
21375992067228,0cyclictest25562-1kworker/0:0H10:22:500
21375992055306,0cyclictest25562-1kworker/0:0H07:32:500
21375992045524,0cyclictest9-21ksoftirqd/007:27:530
21375991977636,0cyclictest7931-21runrttasks09:22:500
21375991892231,0cyclictest25562-1kworker/0:0H09:27:540
21375991827216,0cyclictest25562-1kworker/0:0H10:47:530
21375991819205,0cyclictest25562-1kworker/0:0H08:12:500
2137599181532,0cyclictest24315-21fschecks_time10:10:150
21375991764135,0cyclictest25562-1kworker/0:0H08:57:510
21375991732178,0cyclictest25562-1kworker/0:0H11:57:490
213759917311578,0cyclictest23001-21cat10:07:530
21375991697509,0cyclictest9-21ksoftirqd/007:07:570
21375991646503,0cyclictest9-21ksoftirqd/007:02:510
21375991625227,0cyclictest25562-1kworker/0:0H12:07:550
21375991618226,0cyclictest25562-1kworker/0:0H11:27:550
2137599158476,0cyclictest25562-1kworker/0:0H07:52:500
21375991501279,0cyclictest25562-1kworker/0:0H07:40:010
21375991488505,0cyclictest9-21ksoftirqd/008:47:540
21375991479243,0cyclictest25562-1kworker/0:0H12:02:510
213759914761335,0cyclictest9-21ksoftirqd/006:57:490
21375991462390,0cyclictest9-21ksoftirqd/009:20:270
2137599145329,0cyclictest25562-1kworker/0:0H08:10:080
21375991437720,0cyclictest6632-21cron07:47:580
21375991410479,0cyclictest9-21ksoftirqd/007:25:020
21375991410417,0cyclictest9-21ksoftirqd/007:20:190
213759914101322,0cyclictest0-21swapper10:19:440
21375991406247,0cyclictest25562-1kworker/0:0H09:07:580
21375991385178,0cyclictest0-21swapper12:15:040
21375991383254,0cyclictest22200-21fschecks_time08:30:160
10113820,0rcuc/019514-21cron06:52:430
21375991380440,0cyclictest9-21ksoftirqd/010:45:190
21375991376370,0cyclictest9-21ksoftirqd/007:45:130
21375991373463,0cyclictest9-21ksoftirqd/011:00:120
21375991369275,0cyclictest25562-1kworker/0:0H10:27:560
21375991364391,0cyclictest9-21ksoftirqd/012:25:070
21375991354546,0cyclictest9-21ksoftirqd/011:05:150
21375991352351,0cyclictest9-21ksoftirqd/009:55:070
21375991350123,0cyclictest25562-1kworker/0:0H08:25:140
21375991349414,0cyclictest9-21ksoftirqd/009:50:250
21375991322320,0cyclictest9-21ksoftirqd/007:15:090
21375991320459,0cyclictest9-21ksoftirqd/011:10:180
21375991309248,0cyclictest9-21ksoftirqd/011:50:200
21375991001162,0cyclictest25562-1kworker/0:0H10:37:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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