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2026-04-30 - 19:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack1slot1.osadl.org (updated Thu Apr 30, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42502215151,50sleep00-21swapper/019:09:470
41262214153,20sleep30-21swapper/319:08:083
40772204152,40sleep10-21swapper/119:07:291
39712200161,26sleep20-21swapper/219:06:062
215062590,0sleep10-21swapper/123:28:191
88952130,0sleep00-21swapper/021:24:020
4347991311,1cyclictest28-21ksoftirqd/221:35:152
434699130,12cyclictest0-21swapper/122:00:181
4347991210,1cyclictest28-21ksoftirqd/219:19:592
434599126,5cyclictest9-21ksoftirqd/000:27:430
434599123,4cyclictest24955-21grep21:45:010
4345991211,1cyclictest9-21ksoftirqd/021:50:000
434899119,1cyclictest35-21ksoftirqd/320:40:123
434899110,9cyclictest0-21swapper/322:20:123
434899110,6cyclictest0-21swapper/321:00:113
434799119,1cyclictest28-21ksoftirqd/222:19:032
4347991111,0cyclictest28-21ksoftirqd/222:03:202
4347991111,0cyclictest28-21ksoftirqd/221:43:102
4347991111,0cyclictest28-21ksoftirqd/200:17:372
4347991110,1cyclictest28-21ksoftirqd/223:50:192
4347991110,1cyclictest28-21ksoftirqd/222:11:332
434599119,1cyclictest9-21ksoftirqd/019:40:000
4345991111,0cyclictest9-21ksoftirqd/020:10:130
4345991110,1cyclictest9-21ksoftirqd/023:45:010
434899109,1cyclictest35-21ksoftirqd/320:00:003
434799109,1cyclictest28-21ksoftirqd/221:45:112
434799109,1cyclictest28-21ksoftirqd/221:30:152
434799109,1cyclictest28-21ksoftirqd/221:25:162
434799109,1cyclictest28-21ksoftirqd/221:16:332
434799109,1cyclictest28-21ksoftirqd/220:40:202
434799109,1cyclictest28-21ksoftirqd/219:10:172
434799109,1cyclictest28-21ksoftirqd/200:20:192
434799109,1cyclictest28-21ksoftirqd/200:00:152
434799108,1cyclictest28-21ksoftirqd/223:50:002
434599109,1cyclictest9-21ksoftirqd/023:35:000
434599109,1cyclictest9-21ksoftirqd/023:10:150
434599109,1cyclictest9-21ksoftirqd/022:40:130
434599109,1cyclictest9-21ksoftirqd/021:30:150
434599109,1cyclictest9-21ksoftirqd/021:25:160
434599109,1cyclictest9-21ksoftirqd/021:14:590
434599109,1cyclictest9-21ksoftirqd/021:05:010
434599109,1cyclictest9-21ksoftirqd/020:50:150
434599109,1cyclictest9-21ksoftirqd/020:40:210
434599108,1cyclictest9-21ksoftirqd/022:55:000
434599108,1cyclictest9-21ksoftirqd/022:30:130
434599108,1cyclictest9-21ksoftirqd/022:30:130
434599108,1cyclictest9-21ksoftirqd/000:20:200
434599107,1cyclictest9-21ksoftirqd/023:25:000
4345991010,0cyclictest9-21ksoftirqd/020:05:190
182532100,0sleep10-21swapper/100:18:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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