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2026-04-02 - 22:22
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Thu Apr 02, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200262212148,50sleep00-21swapper/007:05:390
201232209157,26sleep30-21swapper/307:06:553
200742205149,22sleep10-21swapper/107:06:161
200132199159,26sleep20-21swapper/207:05:282
11192140,0sleep30-21swapper/312:35:153
247612130,0sleep00-21swapper/009:35:180
20464991311,1cyclictest28-21ksoftirqd/208:50:002
20464991311,1cyclictest28-21ksoftirqd/208:25:002
2045099138,4cyclictest9-21ksoftirqd/011:05:220
20450991311,1cyclictest9-21ksoftirqd/010:40:000
2045899129,0cyclictest0-21swapper/111:28:021
20450991210,1cyclictest9-21ksoftirqd/012:20:100
20450991210,1cyclictest9-21ksoftirqd/010:45:000
20450991210,1cyclictest9-21ksoftirqd/010:15:010
20450991210,1cyclictest9-21ksoftirqd/010:15:000
20464991110,1cyclictest28-21ksoftirqd/212:30:012
2045099119,1cyclictest9-21ksoftirqd/012:05:010
20450991111,0cyclictest9-21ksoftirqd/009:22:280
20450991110,1cyclictest9-21ksoftirqd/011:50:100
2047299108,1cyclictest693-21runrttasks09:43:453
2047299101,8cyclictest21135-21munin-node10:47:573
2046499109,1cyclictest28-21ksoftirqd/210:00:002
2046499109,1cyclictest1747-21ntpd10:16:102
2046499100,9cyclictest0-21swapper/211:53:042
2045099109,1cyclictest9-21ksoftirqd/011:30:150
2045099109,1cyclictest9-21ksoftirqd/009:45:110
2045099109,1cyclictest9-21ksoftirqd/008:05:000
2045099109,1cyclictest9-21ksoftirqd/007:48:500
2045099108,1cyclictest9-21ksoftirqd/012:40:000
2045099101,4cyclictest1566-21date07:55:000
204649990,2cyclictest0-21swapper/209:00:112
204509999,0cyclictest0-21swapper/009:43:050
204509998,1cyclictest9-21ksoftirqd/012:15:180
204509998,1cyclictest9-21ksoftirqd/011:25:150
204509998,1cyclictest9-21ksoftirqd/009:25:200
204509997,1cyclictest9-21ksoftirqd/011:45:130
204509997,1cyclictest9-21ksoftirqd/009:30:120
204509997,1cyclictest9-21ksoftirqd/007:16:490
204509996,1cyclictest9-21ksoftirqd/008:55:000
204729987,1cyclictest35-21ksoftirqd/311:00:013
204729987,1cyclictest35-21ksoftirqd/309:13:463
204729980,1cyclictest0-21swapper/309:50:213
204649986,1cyclictest61650irq/122-eno111:45:162
204649986,1cyclictest61650irq/122-eno111:15:192
204649986,1cyclictest61650irq/122-eno111:10:122
204649986,1cyclictest61650irq/122-eno111:10:112
204649986,1cyclictest61650irq/122-eno110:00:102
204649986,1cyclictest61650irq/122-eno109:45:132
204649986,1cyclictest61650irq/122-eno108:39:592
204649983,0cyclictest0-21swapper/210:20:182
204649982,5cyclictest12330-21apt-get10:45:112
204649982,3cyclictest240-21systemd-journal09:10:012
204649980,8cyclictest0-21swapper/209:21:592
204589984,4cyclictest56-21kworker/1:109:24:521
204589984,4cyclictest21-21ksoftirqd/110:54:261
204589980,8cyclictest0-21swapper/110:25:131
204509988,0cyclictest9-21ksoftirqd/011:20:180
204509988,0cyclictest9-21ksoftirqd/008:20:140
204509987,1cyclictest9-21ksoftirqd/012:05:130
204509987,1cyclictest9-21ksoftirqd/011:10:110
204509987,1cyclictest9-21ksoftirqd/011:10:100
204509987,1cyclictest9-21ksoftirqd/011:00:150
204509987,1cyclictest9-21ksoftirqd/010:50:000
204509987,1cyclictest9-21ksoftirqd/010:00:100
204509987,1cyclictest9-21ksoftirqd/009:55:110
204509986,1cyclictest9-21ksoftirqd/012:25:110
204509986,1cyclictest9-21ksoftirqd/008:20:000
204509986,1cyclictest9-21ksoftirqd/007:55:110
204509984,0cyclictest0-21swapper/010:55:190
204509983,2cyclictest240-21systemd-journal07:45:000
204509982,5cyclictest101rcuc/008:34:590
204509980,7cyclictest1709-21sort09:05:140
204509980,7cyclictest1320-21df10:30:110
204509980,1cyclictest7995-21grep09:15:130
5992270,0sleep10-21swapper/109:12:331
204729976,1cyclictest35-21ksoftirqd/307:20:003
204729976,1cyclictest22366-21cat08:40:143
204729975,1cyclictest9214-21sh08:15:013
204729975,1cyclictest35-21ksoftirqd/308:10:003
204729975,1cyclictest16375-21ssh12:13:353
204729974,1cyclictest240-21systemd-journal07:25:003
204729973,3cyclictest24821-21ssh12:25:013
204729972,2cyclictest0-21swapper/310:51:183
204729971,3cyclictest3167-21diskmemload11:29:353
204729971,3cyclictest0-21swapper/312:00:113
204729970,6cyclictest4685-21kworker/u8:011:00:253
204729970,2cyclictest0-21swapper/311:50:113
204729970,1cyclictest0-21swapper/308:35:113
204649977,0cyclictest28-21ksoftirqd/210:50:052
204649976,1cyclictest61650irq/122-eno112:09:152
204649976,1cyclictest61650irq/122-eno111:55:002
204649976,1cyclictest61650irq/122-eno111:30:112
204649976,1cyclictest61650irq/122-eno109:30:452
204649976,1cyclictest61650irq/122-eno108:08:512
204649976,1cyclictest28-21ksoftirqd/210:29:592
204649976,1cyclictest28-21ksoftirqd/208:34:592
204649976,1cyclictest28-21ksoftirqd/207:25:002
204649975,1cyclictest61650irq/122-eno112:35:122
204649975,1cyclictest61650irq/122-eno112:00:142
204649975,1cyclictest61650irq/122-eno111:35:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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