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2026-04-17 - 07:54
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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 Fri Apr 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2483599419123,0cyclictest24833-21cyclictest21:27:550
2483599406727,0cyclictest0-21swapper23:43:010
2483599342036,0cyclictest27381-21munin-run00:32:530
248359930051669,0cyclictest0-21swapper00:02:530
248359928902696,0cyclictest0-21swapper23:05:320
2483599269036,0cyclictest9-21ksoftirqd/023:33:050
24835992607741,0cyclictest23077-21munin-node00:18:000
24835992362326,0cyclictest20824-1kworker/0:0H00:22:590
24835992351775,0cyclictest4806-21ls19:43:010
24835992324662,0cyclictest19583-21latency_hist22:23:000
24835992323309,0cyclictest20824-1kworker/0:0H21:48:000
24835992262290,0cyclictest20824-1kworker/0:0H22:38:000
24835992183763,0cyclictest9-21ksoftirqd/019:23:000
24835992155300,0cyclictest20824-1kworker/0:0H19:38:010
24835992115317,0cyclictest20824-1kworker/0:0H22:18:000
24835992111331,0cyclictest20824-1kworker/0:0H22:57:590
24835992101216,0cyclictest30797-21munin-node21:08:000
24835992088159,0cyclictest20824-1kworker/0:0H20:43:020
24835992033465,0cyclictest9-21ksoftirqd/022:43:020
24835992031560,0cyclictest9-21ksoftirqd/020:58:020
24835992002298,0cyclictest20824-1kworker/0:0H21:38:000
248359918891776,0cyclictest21405-21munin-run00:12:500
24835991841740,0cyclictest9660-21runrttasks19:58:000
24835991834220,0cyclictest20824-1kworker/0:0H23:38:000
24835991819294,0cyclictest20824-1kworker/0:0H19:08:010
24835991810627,0cyclictest9-21ksoftirqd/023:08:000
24835991807273,0cyclictest20824-1kworker/0:0H22:28:000
24835991790252,0cyclictest20824-1kworker/0:0H00:03:000
24835991771309,0cyclictest20824-1kworker/0:0H19:02:560
24835991751274,0cyclictest20824-1kworker/0:0H19:03:020
24835991747678,0cyclictest9-21ksoftirqd/020:47:590
24835991746722,0cyclictest32109-21runrttasks21:13:040
24835991722289,0cyclictest20824-1kworker/0:0H20:28:000
24835991720687,0cyclictest4766-21munin-node23:18:010
24835991715316,0cyclictest20824-1kworker/0:0H23:22:590
24835991703692,0cyclictest28093-21sshd19:13:120
24835991697862,0cyclictest4137-21lldpd23:53:040
24835991688780,0cyclictest12489-21grep20:08:010
24835991687223,0cyclictest20824-1kworker/0:0H21:18:010
2483599167026,0cyclictest0-21swapper20:40:540
24835991666753,0cyclictest29781-21latency_hist19:18:010
24835991639492,0cyclictest9-21ksoftirqd/023:55:400
24835991619419,0cyclictest9-21ksoftirqd/022:55:440
24835991593278,0cyclictest20824-1kworker/0:0H19:28:020
24835991570315,0cyclictest20824-1kworker/0:0H19:33:100
24835991551240,0cyclictest20824-1kworker/0:0H20:13:110
24835991520471,0cyclictest9-21ksoftirqd/021:05:380
24835991519293,0cyclictest20824-1kworker/0:0H21:28:030
24835991501405,0cyclictest9-21ksoftirqd/023:15:440
24835991495336,0cyclictest1595-21jbd2/hda3-822:35:520
24835991480724,0cyclictest6128-21perl21:35:460
24835991453296,0cyclictest20824-1kworker/0:0H20:53:140
24835991449301,0cyclictest20824-1kworker/0:0H20:33:110
24835991435690,0cyclictest9-21ksoftirqd/020:23:110
24835991430320,0cyclictest20824-1kworker/0:0H00:13:100
24835991426778,0cyclictest9-21ksoftirqd/019:48:040
24835991416305,0cyclictest20824-1kworker/0:0H22:13:110
24835991396535,0cyclictest9225-21perl19:55:410
24835991381288,0cyclictest20824-1kworker/0:0H21:53:080
24835991370269,0cyclictest20824-1kworker/0:0H22:03:000
2483599136758,0cyclictest20824-1kworker/0:0H21:58:000
24835991347263,0cyclictest20824-1kworker/0:0H22:48:040
24835991342664,0cyclictest9-21ksoftirqd/020:19:160
24835991300715,0cyclictest16733-21which22:13:040
24835991285353,0cyclictest20824-1kworker/0:0H20:03:070
24835991240530,0cyclictest9-21ksoftirqd/021:43:010
24835991168332,0cyclictest20824-1kworker/0:0H23:33:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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