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2026-04-14 - 06:18
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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 Tue Apr 14, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24482213150,50sleep20-21swapper/219:06:062
25602209158,24sleep00-21swapper/019:07:320
24772206151,42sleep10-21swapper/119:06:281
27322199160,26sleep30-21swapper/319:09:493
182792180,1sleep228-21ksoftirqd/223:00:192
47892170,0sleep10-21swapper/123:25:171
285799150,12cyclictest240-21systemd-journal00:19:563
284499140,14cyclictest0-21swapper/121:44:521
2857991111,0cyclictest0-21swapper/322:17:023
2852991110,1cyclictest30585-21if_eno120:05:142
2852991110,1cyclictest18325-21apt-get22:20:112
2852991110,1cyclictest18325-21apt-get22:20:112
285299110,1cyclictest0-21swapper/223:51:312
283799119,1cyclictest9-21ksoftirqd/000:39:590
283799114,6cyclictest18098-21perf22:19:590
171562100,0sleep027940-21diskmemload00:24:570
114752100,0sleep30-21swapper/322:51:153
28579997,2cyclictest16036-1kworker/u9:200:25:433
28579990,5cyclictest27940-21diskmemload23:20:193
28379992,3cyclictest2868-21cut21:59:590
28379990,5cyclictest0-21swapper/023:20:120
28379990,4cyclictest15295-21munin-run19:35:010
13053290,0sleep30-21swapper/322:11:553
28579982,3cyclictest22601-21apt-get19:50:123
28579981,3cyclictest27940-21diskmemload21:30:023
28579980,4cyclictest26364-21/usr/sbin/munin00:35:193
28529987,1cyclictest61650irq/122-eno122:05:522
28529986,1cyclictest61650irq/122-eno122:30:162
28529986,1cyclictest61650irq/122-eno121:53:472
28529986,1cyclictest30388-21perf00:00:002
28529982,3cyclictest585-21rs:main2
28529982,3cyclictest24084-21apt-get21:45:122
28529980,5cyclictest9355-21apt-get22:50:122
28449985,0cyclictest0-21swapper/100:33:421
28379987,1cyclictest16955-21ssh23:40:390
28379986,1cyclictest9-21ksoftirqd/000:35:000
28379986,1cyclictest25690-21perf22:30:010
28379986,1cyclictest14784-21sendmail-msp23:40:000
28379984,4cyclictest24749-21kworker/0:200:17:510
28379982,3cyclictest20813-21apt-get23:05:110
28379981,6cyclictest16751-21perf23:00:000
28379980,7cyclictest28798-21chrt23:55:440
28379980,7cyclictest27309-21runrttasks21:49:130
28379980,7cyclictest1509-21users21:15:230
5431270,1sleep335-21ksoftirqd/323:25:233
3822270,1sleep34028-21users00:05:213
3372270,0sleep10-21swapper/119:10:141
28579976,1cyclictest6564-21ntpq22:45:183
28579975,1cyclictest35-21ksoftirqd/320:29:583
28579975,1cyclictest28816-21ssh23:55:483
28579975,1cyclictest13741-21ssh23:37:223
28579972,4cyclictest29664-21munin-run22:35:013
28579972,4cyclictest27940-21diskmemload21:45:183
28579972,3cyclictest19516-21ssh22:20:163
28579972,3cyclictest19516-21ssh22:20:163
28579972,2cyclictest27940-21diskmemload23:01:323
28579971,2cyclictest28944-21timerwakeupswit20:00:213
28579970,6cyclictest4024-21ssh21:20:093
28529976,1cyclictest61650irq/122-eno123:25:462
28529976,1cyclictest61650irq/122-eno123:15:152
28529976,1cyclictest61650irq/122-eno123:05:132
28529976,1cyclictest61650irq/122-eno122:40:182
28529976,1cyclictest61650irq/122-eno122:10:142
28529976,1cyclictest61650irq/122-eno122:04:522
28529976,1cyclictest61650irq/122-eno121:19:502
28529976,0cyclictest61650irq/122-eno123:10:122
28529976,0cyclictest61650irq/122-eno121:55:142
28529976,0cyclictest61650irq/122-eno121:33:152
28529975,1cyclictest61650irq/122-eno121:20:132
28529975,1cyclictest61650irq/122-eno119:44:092
28529975,1cyclictest61650irq/122-eno100:15:142
28529975,1cyclictest29545-21ssh21:10:192
28529975,1cyclictest28-21ksoftirqd/200:00:162
28529974,2cyclictest17650-21sendmail19:40:012
28529973,2cyclictest8589-21ntpq23:30:182
28529973,2cyclictest240-21systemd-journal21:35:002
28529971,3cyclictest27940-21diskmemload00:25:142
28449972,3cyclictest0-21swapper/119:54:571
28449970,7cyclictest0-21swapper/123:35:211
28449970,0cyclictest0-21swapper/122:25:131
28449970,0cyclictest0-21swapper/119:25:171
28379976,1cyclictest9857-21sensors19:20:180
28379976,1cyclictest9467-21nscd22:00:490
28379971,6cyclictest12654-21ssh21:30:160
28379971,3cyclictest27940-21diskmemload21:40:080
28379970,6cyclictest8036-21ssh00:10:560
28379970,6cyclictest4057-21ssh21:20:110
28379970,6cyclictest3092-21sed00:05:140
28379970,6cyclictest17104-21taskset23:00:130
28379970,6cyclictest1413-21apt-config22:40:000
28379970,6cyclictest0-21swapper/023:45:220
28379970,6cyclictest0-21swapper/022:50:160
28379970,6cyclictest0-21swapper/022:36:000
28379970,4cyclictest0-21swapper/023:50:580
28379970,3cyclictest0-21swapper/022:30:110
28379970,3cyclictest0-21swapper/000:25:100
28379970,1cyclictest9231-21ssh23:30:240
28379970,1cyclictest8159-21pmu-power22:05:180
28379970,1cyclictest5896-21ssh22:45:150
28379970,1cyclictest31722-21ssh21:14:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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