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2026-05-08 - 06:53
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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 Fri May 08, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187892242156,58sleep00-21swapper/019:07:530
186352201162,25sleep20-21swapper/219:05:532
189012199160,25sleep30-21swapper/319:09:213
186712198161,24sleep10-21swapper/119:06:201
149792690,0sleep00-21swapper/023:20:190
123322680,0sleep00-21swapper/022:35:140
1904499140,13cyclictest13237-21apt20:05:012
19031991312,1cyclictest9-21ksoftirqd/022:55:010
19031991311,1cyclictest9-21ksoftirqd/022:50:010
192502120,1sleep319252-21aten_r1power_cu19:10:123
19056991212,0cyclictest35-21ksoftirqd/321:45:013
1904499120,11cyclictest0-21swapper/200:35:152
19031991210,1cyclictest9-21ksoftirqd/000:30:010
19056991111,0cyclictest0-21swapper/320:45:223
1903199119,1cyclictest9-21ksoftirqd/023:00:000
1904499109,1cyclictest28-21ksoftirqd/221:36:292
1904499100,9cyclictest21590-21munin-node23:33:192
1904499100,10cyclictest0-21swapper/223:44:032
1903199109,1cyclictest9-21ksoftirqd/021:55:100
1903199109,1cyclictest9-21ksoftirqd/021:40:000
1903199109,1cyclictest9-21ksoftirqd/021:10:000
1903199109,1cyclictest9-21ksoftirqd/000:35:010
1903199108,1cyclictest9-21ksoftirqd/023:55:150
1903199108,1cyclictest9-21ksoftirqd/000:00:130
190569997,1cyclictest35-21ksoftirqd/300:40:003
190569992,3cyclictest0-21swapper/321:33:193
190569991,5cyclictest12011-21apt-get22:35:133
190449999,0cyclictest0-21swapper/222:21:442
190319998,1cyclictest9-21ksoftirqd/023:45:140
190319998,1cyclictest9-21ksoftirqd/023:40:000
190319997,1cyclictest9-21ksoftirqd/021:25:000
190319996,1cyclictest9-21ksoftirqd/023:10:140
190319996,1cyclictest9-21ksoftirqd/021:09:590
190319993,3cyclictest22639-21fschecks_time22:05:150
190319990,5cyclictest6811-21cat21:00:010
3826280,0sleep20-21swapper/223:50:102
190569987,1cyclictest35-21ksoftirqd/321:29:593
190569986,1cyclictest35-21ksoftirqd/322:00:123
190449986,1cyclictest61650irq/122-eno123:22:442
190449986,1cyclictest61650irq/122-eno122:25:162
190449986,1cyclictest61650irq/122-eno121:55:182
190449986,1cyclictest61650irq/122-eno121:55:002
190449986,1cyclictest61650irq/122-eno119:50:012
190449986,1cyclictest61650irq/122-eno119:30:122
190449986,1cyclictest28-21ksoftirqd/221:10:092
190449984,2cyclictest240-21systemd-journal22:16:282
190449981,7cyclictest0-21swapper/200:23:482
190449980,5cyclictest568-21nscd22:40:122
190449980,5cyclictest0-21swapper/221:05:132
190369980,8cyclictest0-21swapper/122:50:141
190369980,3cyclictest76732sleep100:37:281
190319987,1cyclictest9-21ksoftirqd/023:25:120
190319987,1cyclictest9-21ksoftirqd/022:29:590
190319987,1cyclictest9-21ksoftirqd/021:30:150
190319987,1cyclictest9-21ksoftirqd/021:15:120
190319987,1cyclictest9-21ksoftirqd/000:20:160
190319987,1cyclictest9-21ksoftirqd/000:09:590
190319986,1cyclictest9-21ksoftirqd/023:31:170
190319986,1cyclictest9-21ksoftirqd/023:19:590
190319986,1cyclictest9-21ksoftirqd/023:04:590
190319986,1cyclictest9-21ksoftirqd/021:50:140
190319986,1cyclictest9-21ksoftirqd/021:05:010
190319984,2cyclictest240-21systemd-journal21:45:120
190319984,2cyclictest240-21systemd-journal00:15:000
190319982,5cyclictest13266-21perf20:05:000
190319980,4cyclictest8670-21perf00:40:000
190319980,1cyclictest287922sleep019:25:460
23405270,1sleep30-21swapper/320:25:143
190569977,0cyclictest35-21ksoftirqd/322:44:273
190569976,1cyclictest35-21ksoftirqd/323:35:013
190569976,1cyclictest35-21ksoftirqd/323:14:423
190569976,1cyclictest35-21ksoftirqd/319:34:593
190569976,1cyclictest20423-21cat22:45:153
190569975,1cyclictest7269-21cat19:50:143
190569975,1cyclictest6721-21ssh21:45:063
190569975,1cyclictest35-21ksoftirqd/320:20:003
190569975,1cyclictest28355-21ssh23:39:443
190569975,1cyclictest10723-21cat23:15:163
190569974,1cyclictest13650irq/124-ahci[0022:14:553
190569973,3cyclictest9355-21apt-get21:05:123
190569971,4cyclictest29989-21apt-get20:40:103
190569971,4cyclictest17348-21kworker/u8:123:52:313
190569970,6cyclictest25411-21ssh22:51:223
190569970,5cyclictest1982-21sendmail-mta22:24:363
190569970,3cyclictest0-21swapper/300:03:413
190569970,1cyclictest0-21swapper/319:45:133
190449976,1cyclictest61650irq/122-eno123:05:122
190449976,1cyclictest61650irq/122-eno123:04:592
190449976,1cyclictest61650irq/122-eno122:06:012
190449976,1cyclictest61650irq/122-eno121:28:582
190449976,1cyclictest61650irq/122-eno121:24:012
190449976,1cyclictest61650irq/122-eno121:19:182
190449976,1cyclictest61650irq/122-eno119:50:202
190449976,1cyclictest61650irq/122-eno119:35:112
190449976,1cyclictest61650irq/122-eno119:25:142
190449976,1cyclictest61650irq/122-eno100:02:022
190449975,1cyclictest61650irq/122-eno122:10:142
190449975,1cyclictest61650irq/122-eno121:45:172
190449975,1cyclictest29873-21ssh21:31:192
190449974,2cyclictest1-21systemd22:39:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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