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2026-04-15 - 22:40
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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 Wed Apr 15, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30483993265189,0cyclictest9-21ksoftirqd/007:03:040
30483992517562,0cyclictest7746-21latency_hist09:03:050
3048399246951,0cyclictest0-21swapper11:53:200
30483992446709,0cyclictest9789-21latency_hist12:18:050
30483992441588,0cyclictest9-21ksoftirqd/008:38:040
30483992432728,0cyclictest3375-21munin-node07:18:060
30483992403256,0cyclictest27500-1kworker/0:0H08:28:050
30483992395323,0cyclictest27500-1kworker/0:0H07:48:050
30483992383336,0cyclictest27500-1kworker/0:0H08:48:040
30483992352637,0cyclictest26166-21latency_hist08:23:050
30483992334612,0cyclictest9-21ksoftirqd/011:18:060
30483992316652,0cyclictest9-21ksoftirqd/011:23:040
30483992293350,0cyclictest27500-1kworker/0:0H12:28:040
30483992290546,0cyclictest0-21swapper09:08:050
30483992279304,0cyclictest27500-1kworker/0:0H10:38:060
30483992277254,0cyclictest27500-1kworker/0:0H08:58:050
30483992270560,0cyclictest9-21ksoftirqd/011:48:040
30483992264647,0cyclictest1595-21jbd2/hda3-810:23:050
30483992250660,0cyclictest9-21ksoftirqd/010:18:050
30483992244276,0cyclictest27500-1kworker/0:0H10:48:050
30483992225616,0cyclictest1595-21jbd2/hda3-807:38:050
30483992209278,0cyclictest27500-1kworker/0:0H09:48:050
30483992194294,0cyclictest27500-1kworker/0:0H08:03:050
30483992157212,0cyclictest27500-1kworker/0:0H11:03:050
30483992138329,0cyclictest27500-1kworker/0:0H07:43:050
30483992097317,0cyclictest27500-1kworker/0:0H09:18:050
30483992023290,0cyclictest27500-1kworker/0:0H07:33:090
30483992023258,0cyclictest27500-1kworker/0:0H10:43:040
30483991888306,0cyclictest27500-1kworker/0:0H10:08:050
30483991848606,0cyclictest9-21ksoftirqd/008:18:110
30483991844230,0cyclictest27500-1kworker/0:0H11:28:050
30483991804269,0cyclictest27500-1kworker/0:0H09:28:050
30483991799600,0cyclictest9-21ksoftirqd/012:23:050
30483991799281,0cyclictest27500-1kworker/0:0H09:38:060
30483991784289,0cyclictest27500-1kworker/0:0H08:08:060
30483991772540,0cyclictest9-21ksoftirqd/011:38:050
3048399175032,0cyclictest28992-21fschecks_time10:05:280
30483991731281,0cyclictest27500-1kworker/0:0H11:43:050
30483991730307,0cyclictest27500-1kworker/0:0H10:53:080
30483991711718,0cyclictest26429-21which11:33:090
30483991706740,0cyclictest9-21ksoftirqd/011:13:070
30483991686619,0cyclictest9-21ksoftirqd/012:13:080
30483991673240,0cyclictest9-21ksoftirqd/007:35:410
30483991664639,0cyclictest0-21swapper10:28:040
30483991655522,0cyclictest9-21ksoftirqd/009:58:050
30483991637290,0cyclictest27500-1kworker/0:0H09:13:160
30483991621398,0cyclictest18640-21fschecks_time08:00:260
30483991599578,0cyclictest9-21ksoftirqd/007:13:140
30483991575635,0cyclictest24230-21grep09:53:140
30483991564218,0cyclictest0-21swapper10:35:390
30483991557464,0cyclictest1595-21jbd2/hda3-808:45:310
30483991547564,0cyclictest9-21ksoftirqd/008:53:150
304839915451195,0cyclictest27500-1kworker/0:0H07:55:370
304839915301221,0cyclictest27500-1kworker/0:0H07:25:310
30483991527587,0cyclictest9-21ksoftirqd/009:35:360
30483991525168,0cyclictest27500-1kworker/0:0H10:58:050
30483991523360,0cyclictest9-21ksoftirqd/008:35:390
30483991508383,0cyclictest1595-21jbd2/hda3-810:15:260
30483991488304,0cyclictest9-21ksoftirqd/008:15:290
3048399145959,0cyclictest27500-1kworker/0:0H12:15:380
3048399139885,0cyclictest27500-1kworker/0:0H09:43:050
30483991394188,0cyclictest27500-1kworker/0:0H07:10:420
30483991392598,0cyclictest19419-21mailstats11:13:120
30483991345496,0cyclictest4178-21fschecks_count12:00:360
30483991335340,0cyclictest9-21ksoftirqd/012:05:240
30483991083532,0cyclictest9-21ksoftirqd/009:23:100
1017190,0rcuc/09-21ksoftirqd/006:57:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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