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2026-05-01 - 22:20
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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 Fri May 01, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195362210177,22sleep30-21swapper/307:05:543
198502209149,21sleep00-21swapper/007:09:570
196112206149,21sleep10-21swapper/107:06:541
195452199160,26sleep20-21swapper/207:06:012
137192640,0sleep20-21swapper/209:10:142
1994299140,12cyclictest0-21swapper/209:45:152
19927991412,1cyclictest9-21ksoftirqd/011:25:000
128672140,0sleep10-21swapper/109:10:011
19927991312,1cyclictest9-21ksoftirqd/007:54:590
1992799130,12cyclictest0-21swapper/008:15:180
19951991211,1cyclictest35-21ksoftirqd/307:50:003
19942991211,1cyclictest28-21ksoftirqd/210:50:012
19927991211,0cyclictest9-21ksoftirqd/009:34:590
1995199119,1cyclictest35-21ksoftirqd/311:19:593
1995199119,1cyclictest35-21ksoftirqd/310:15:133
1995199111,7cyclictest21781-21hwlatdetect09:20:133
19942991110,1cyclictest28-21ksoftirqd/208:20:012
1994299110,10cyclictest0-21swapper/210:09:022
1994299110,0cyclictest0-21swapper/212:09:492
1992799119,1cyclictest9-21ksoftirqd/012:35:000
1992799119,1cyclictest9-21ksoftirqd/012:05:200
1992799119,1cyclictest9-21ksoftirqd/010:35:150
19927991110,1cyclictest9-21ksoftirqd/009:10:000
1995199109,1cyclictest35-21ksoftirqd/312:15:003
1995199109,1cyclictest35-21ksoftirqd/310:00:003
1995199109,1cyclictest35-21ksoftirqd/309:30:003
1995199109,1cyclictest35-21ksoftirqd/309:10:003
1995199108,1cyclictest35-21ksoftirqd/310:05:013
1994299108,1cyclictest28-21ksoftirqd/207:20:002
1994299100,5cyclictest61650irq/122-eno110:20:112
1992799109,1cyclictest9-21ksoftirqd/012:15:140
1992799109,1cyclictest9-21ksoftirqd/011:50:190
1992799109,1cyclictest9-21ksoftirqd/010:35:000
1992799109,1cyclictest9-21ksoftirqd/007:30:110
1992799108,1cyclictest9-21ksoftirqd/012:00:010
1992799108,1cyclictest9-21ksoftirqd/012:00:010
1992799107,1cyclictest9-21ksoftirqd/012:30:000
199519999,0cyclictest35-21ksoftirqd/312:00:113
199519998,1cyclictest35-21ksoftirqd/312:40:013
199519998,1cyclictest35-21ksoftirqd/311:35:133
199519998,1cyclictest35-21ksoftirqd/310:20:133
199519991,6cyclictest22956-21apt-get10:05:113
199429998,1cyclictest693-21runrttasks10:32:462
199429997,1cyclictest28-21ksoftirqd/210:55:012
199429990,9cyclictest0-21swapper/211:43:082
199369990,2cyclictest0-21swapper/111:20:111
199279999,0cyclictest9-21ksoftirqd/009:12:150
199279998,1cyclictest9-21ksoftirqd/011:45:140
199279998,1cyclictest9-21ksoftirqd/010:05:150
199279997,1cyclictest9-21ksoftirqd/012:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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