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2026-06-14 - 21:17
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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 792 highest latencies:
System rack8slot1.osadl.org (updated Sun Jun 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26948993114675,0cyclictest27051-21munin-node06:59:300
26948992769507,0cyclictest9-21ksoftirqd/007:59:310
26948992670619,0cyclictest4491-21latency_hist08:59:310
269489925622463,0cyclictest0-21swapper10:39:270
26948992501458,0cyclictest9-21ksoftirqd/011:04:310
26948992454249,0cyclictest1321-1kworker/0:1H07:14:320
269489924231299,0cyclictest1321-1kworker/0:1H10:39:300
26948992401118,0cyclictest1321-1kworker/0:1H10:44:300
26948992343125,0cyclictest1057-21munin-node12:04:300
26948992337608,0cyclictest9-21ksoftirqd/011:34:320
26948992336680,0cyclictest16750-21sort11:14:320
26948992334687,0cyclictest9-21ksoftirqd/011:54:310
26948992329203,0cyclictest1321-1kworker/0:1H11:59:310
26948992313226,0cyclictest1321-1kworker/0:1H08:24:320
26948992308820,0cyclictest22808-21seq08:19:310
26948992303749,0cyclictest8851-21latency_hist09:14:300
26948992293253,0cyclictest1321-1kworker/0:1H08:04:310
26948992273228,0cyclictest1321-1kworker/0:1H07:34:320
26948992270224,0cyclictest1321-1kworker/0:1H07:44:310
26948992262700,0cyclictest4435-21munin-node07:24:300
26948992247502,0cyclictest9-21ksoftirqd/008:54:310
26948992215255,0cyclictest1321-1kworker/0:1H10:14:310
26948992210233,0cyclictest1321-1kworker/0:1H10:54:300
26948992200546,0cyclictest9-21ksoftirqd/009:44:320
26948992169217,0cyclictest1321-1kworker/0:1H09:39:310
26948992164240,0cyclictest1321-1kworker/0:1H10:04:310
26948992147231,0cyclictest1321-1kworker/0:1H11:44:300
26948992115291,0cyclictest1321-1kworker/0:1H11:39:300
26948992098212,0cyclictest1321-1kworker/0:1H11:24:320
26948992089219,0cyclictest1321-1kworker/0:1H08:34:320
2694899208329,0cyclictest21053-21latency_hist08:14:320
26948992055280,0cyclictest1321-1kworker/0:1H09:54:310
26948992039350,0cyclictest1321-1kworker/0:1H07:54:310
26948992033253,0cyclictest1321-1kworker/0:1H07:04:310
26948992021151,0cyclictest1321-1kworker/0:1H10:59:310
26948991959133,0cyclictest1321-1kworker/0:1H09:04:310
26948991914573,0cyclictest9-21ksoftirqd/012:19:300
26948991880748,0cyclictest4645-21munin-node12:14:300
2694899184630,0cyclictest2867-21sshd07:21:530
26948991820243,0cyclictest1321-1kworker/0:1H11:19:310
26948991803220,0cyclictest1321-1kworker/0:1H09:59:300
26948991794541,0cyclictest9-21ksoftirqd/009:24:340
26948991784555,0cyclictest9-21ksoftirqd/007:49:350
26948991779280,0cyclictest1321-1kworker/0:1H08:49:350
26948991759788,0cyclictest26333-21latency_hist08:29:350
26948991747217,0cyclictest1321-1kworker/0:1H08:09:350
26948991735240,0cyclictest1321-1kworker/0:1H08:44:310
26948991722775,0cyclictest29837-21sendmail_mailtr08:39:340
26948991722731,0cyclictest21427-21which11:29:350
26948991692765,0cyclictest28267-21which11:49:350
26948991660237,0cyclictest1321-1kworker/0:1H07:09:350
26948991654284,0cyclictest1321-1kworker/0:1H07:29:350
26948991624466,0cyclictest9-21ksoftirqd/010:19:320
26948991619631,0cyclictest9-21ksoftirqd/010:24:320
26948991577596,0cyclictest7189-21mailstats09:09:350
26948991562210,0cyclictest1321-1kworker/0:1H12:09:430
26948991560537,0cyclictest9-21ksoftirqd/012:24:340
26948991517269,0cyclictest1321-1kworker/0:1H09:34:300
26948991508230,0cyclictest1321-1kworker/0:1H07:39:340
26948991501199,0cyclictest1321-1kworker/0:1H10:29:360
26948991498511,0cyclictest9-21ksoftirqd/009:19:340
26948991457244,0cyclictest1321-1kworker/0:1H09:29:400
26948991377370,0cyclictest1595-21jbd2/hda3-810:52:130
26948991358326,0cyclictest9-21ksoftirqd/010:12:140
26948991355411,0cyclictest9-21ksoftirqd/009:49:390
26948991310192,0cyclictest1321-1kworker/0:1H11:09:400
10112530,0rcuc/09-21ksoftirqd/006:54:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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