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2026-03-29 - 07:26
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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 Sun Mar 29, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260512215150,22sleep20-21swapper/219:08:192
261492204159,25sleep10-21swapper/119:09:351
260172201150,25sleep30-21swapper/319:07:513
259222197157,26sleep00-21swapper/019:06:360
31642660,0sleep20-21swapper/220:35:122
75542160,1sleep121-21ksoftirqd/100:21:081
2627699130,12cyclictest0-21swapper/020:40:110
26287991212,0cyclictest0-21swapper/120:15:181
26287991212,0cyclictest0-21swapper/120:15:181
26276991211,1cyclictest9-21ksoftirqd/022:40:010
26299991110,1cyclictest35-21ksoftirqd/322:40:003
26299991110,1cyclictest35-21ksoftirqd/319:30:003
2629999109,1cyclictest35-21ksoftirqd/323:40:003
2629999100,10cyclictest0-21swapper/321:14:233
2629299109,1cyclictest0-21swapper/223:56:062
2629299108,1cyclictest28-21ksoftirqd/220:25:012
2629299108,1cyclictest28-21ksoftirqd/219:35:002
2629299105,4cyclictest28-21ksoftirqd/221:10:002
2629299100,9cyclictest28827-21munin-node22:53:422
2628799100,9cyclictest0-21swapper/120:40:121
2627699100,9cyclictest745-21lldpd22:24:540
2627699100,5cyclictest14517-21perf23:50:000
2627699100,4cyclictest0-21swapper/020:00:110
262999997,1cyclictest35-21ksoftirqd/320:10:123
262929997,1cyclictest28-21ksoftirqd/219:15:012
262929990,9cyclictest0-21swapper/200:24:032
262929990,8cyclictest0-21swapper/221:27:282
262929990,2cyclictest0-21swapper/219:50:122
262929990,1cyclictest240-21systemd-journal21:20:012
262769993,5cyclictest12263-21sed23:05:010
262769990,5cyclictest16759-21latency_hist21:04:590
262769990,3cyclictest240-21systemd-journal21:59:090
15105290,0sleep10-21swapper/123:07:281
262999981,6cyclictest12554-21kworker/u8:023:18:203
262999981,5cyclictest2828-21apt-get20:35:113
262999980,7cyclictest0-21swapper/321:37:233
262999980,5cyclictest0-21swapper/300:27:033
262999980,3cyclictest0-21swapper/321:15:133
262929987,1cyclictest28-21ksoftirqd/222:04:032
262929986,1cyclictest61650irq/122-eno122:30:172
262929986,1cyclictest61650irq/122-eno122:10:002
262929986,1cyclictest61650irq/122-eno121:20:152
262929985,2cyclictest10562-21ssh21:39:192
262929984,2cyclictest693-21runrttasks23:35:472
262929981,2cyclictest24640-21sh22:38:372
262929980,5cyclictest26304-21apt-get00:05:122
262769987,1cyclictest16896-21ssh22:28:240
262769986,1cyclictest24338-21cat20:10:170
262769981,6cyclictest745-21lldpd23:59:110
262769981,6cyclictest31327-21ssh00:10:180
262769980,1cyclictest19422-21cstates21:50:130
262999976,1cyclictest35-21ksoftirqd/322:45:003
262999976,1cyclictest35-21ksoftirqd/322:00:003
262999976,1cyclictest35-21ksoftirqd/320:15:163
262999976,1cyclictest35-21ksoftirqd/320:15:163
262999976,1cyclictest35-21ksoftirqd/319:25:013
262999976,1cyclictest324-21ntpq21:25:163
262999975,1cyclictest3580-21ssh22:52:363
262999975,1cyclictest35-21ksoftirqd/322:30:003
262999975,1cyclictest35-21ksoftirqd/320:25:003
262999975,1cyclictest35-21ksoftirqd/300:40:003
262999975,1cyclictest25037-21ssh00:02:273
262999975,1cyclictest11441-21ssh23:02:593
262999973,3cyclictest19106-21diskmemload00:20:203
262999971,5cyclictest19106-21diskmemload21:45:193
262999971,4cyclictest19106-21diskmemload00:15:233
262999971,3cyclictest0-21swapper/323:23:163
262999971,2cyclictest0-21swapper/323:25:093
262999970,6cyclictest7050-21ssh22:56:333
262999970,5cyclictest0-21swapper/322:04:073
262999970,4cyclictest7096-21apt-get23:40:113
262999970,4cyclictest0-21swapper/323:49:153
262999970,4cyclictest0-21swapper/323:30:033
262999970,4cyclictest0-21swapper/321:32:473
262999970,4cyclictest0-21swapper/320:50:113
262929976,1cyclictest61650irq/122-eno123:50:122
262929976,1cyclictest61650irq/122-eno123:40:282
262929976,1cyclictest61650irq/122-eno123:33:372
262929976,1cyclictest61650irq/122-eno123:15:182
262929976,1cyclictest61650irq/122-eno123:04:022
262929976,1cyclictest61650irq/122-eno122:14:502
262929976,1cyclictest61650irq/122-eno122:14:502
262929976,1cyclictest61650irq/122-eno121:55:132
262929976,1cyclictest61650irq/122-eno121:45:002
262929976,1cyclictest61650irq/122-eno121:00:132
262929976,1cyclictest61650irq/122-eno100:25:112
262929976,1cyclictest61650irq/122-eno100:18:232
262929976,1cyclictest28-21ksoftirqd/219:13:202
262929976,1cyclictest22461-21apt-get00:00:122
262929976,1cyclictest17531-21ntpq19:55:192
262929976,0cyclictest61650irq/122-eno122:25:092
262929976,0cyclictest61650irq/122-eno121:50:132
262929975,1cyclictest61650irq/122-eno123:26:192
262929975,1cyclictest61650irq/122-eno121:30:132
262929975,1cyclictest13457-21ssh23:05:162
262929974,2cyclictest28-21ksoftirqd/220:42:162
262929973,3cyclictest9910-21apt-get20:50:112
262929973,1cyclictest10947-21apt-get23:45:122
262929971,1cyclictest0-21swapper/222:15:122
262879970,3cyclictest0-21swapper/121:50:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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