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2026-05-01 - 03:24
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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 01, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196912213151,49sleep30-21swapper/319:08:363
196842203150,42sleep10-21swapper/119:08:291
195782200161,26sleep20-21swapper/219:07:072
196832198156,28sleep00-21swapper/019:08:290
318942730,0sleep00-21swapper/020:40:110
175812580,0sleep10-21swapper/120:10:171
46992170,0sleep20-21swapper/200:33:322
1989999140,13cyclictest0-21swapper/220:10:172
1988399140,13cyclictest0-21swapper/019:15:170
1988399133,5cyclictest23974-21sed20:25:000
1989999110,0cyclictest0-21swapper/223:52:522
1988399119,1cyclictest9-21ksoftirqd/020:40:000
1988399116,4cyclictest15424-1kworker/u9:100:10:190
1988399110,10cyclictest583-21in:imuxsock20:13:410
1988399110,10cyclictest0-21swapper/022:25:170
1990799100,6cyclictest21549-21kworker/u8:200:05:523
1989999104,5cyclictest61650irq/122-eno123:39:352
19899991010,0cyclictest0-21swapper/223:45:162
1989199100,2cyclictest0-21swapper/122:00:121
1988399100,9cyclictest0-21swapper/019:25:180
199079997,1cyclictest561-21nscd20:30:473
198999992,4cyclictest61650irq/122-eno122:40:162
198999990,4cyclictest16005-21taskset22:36:532
198919999,0cyclictest0-21swapper/100:35:071
198839998,1cyclictest9-21ksoftirqd/000:25:000
198839997,1cyclictest9-21ksoftirqd/022:50:000
198839993,5cyclictest9275-21perf00:40:000
198839990,4cyclictest0-21swapper/000:00:000
21830280,1sleep30-21swapper/300:13:023
199079986,1cyclictest35-21ksoftirqd/319:36:163
198999987,1cyclictest61650irq/122-eno121:20:112
198999987,1cyclictest4125-21sensors19:40:192
198999986,1cyclictest61650irq/122-eno123:30:112
198999986,1cyclictest61650irq/122-eno123:23:212
198999986,1cyclictest61650irq/122-eno121:25:182
198999984,2cyclictest240-21systemd-journal22:25:002
198999983,2cyclictest240-21systemd-journal21:38:282
198999981,7cyclictest61650irq/122-eno123:02:142
198999980,6cyclictest0-21swapper/221:50:162
198999980,5cyclictest22852-21dpkg00:15:112
198839986,1cyclictest9-21ksoftirqd/022:45:010
198839986,1cyclictest9-21ksoftirqd/022:20:000
198839986,1cyclictest9-21ksoftirqd/019:45:010
198839986,1cyclictest9-21ksoftirqd/000:35:000
198839983,1cyclictest11574-21/usr/sbin/munin23:15:200
198839981,6cyclictest30961-21ssh23:40:160
198839980,4cyclictest7449-21perf19:50:000
198839980,1cyclictest6994-21ssh23:08:360
32389270,0sleep30-21swapper/300:25:533
32389270,0sleep30-21swapper/300:25:523
199079976,1cyclictest16521-21ssh22:38:193
199079975,1cyclictest28519-21ssh22:54:443
199079975,1cyclictest24841-21ssh00:15:553
199079975,1cyclictest24588-21ssh21:24:233
199079975,1cyclictest17977-21ssh21:56:063
199079973,2cyclictest548-21systemd-logind22:05:193
199079971,2cyclictest29440-21df22:55:143
199079970,5cyclictest6747-1kworker/u9:121:45:173
199079970,5cyclictest0-21swapper/321:26:013
199079970,4cyclictest0-21swapper/322:20:103
199079970,3cyclictest0-21swapper/300:34:443
199079970,1cyclictest0-21swapper/321:40:133
198999977,0cyclictest28-21ksoftirqd/221:07:242
198999976,1cyclictest61650irq/122-eno123:29:262
198999976,1cyclictest61650irq/122-eno123:05:162
198999976,1cyclictest61650irq/122-eno122:56:372
198999976,1cyclictest61650irq/122-eno121:30:202
198999976,1cyclictest61650irq/122-eno121:16:242
198999976,1cyclictest61650irq/122-eno121:13:002
198999976,1cyclictest61650irq/122-eno120:30:122
198999976,1cyclictest61650irq/122-eno120:05:192
198999976,1cyclictest61650irq/122-eno100:00:182
198999975,1cyclictest61650irq/122-eno122:45:182
198999975,1cyclictest61650irq/122-eno100:10:552
198999972,2cyclictest240-21systemd-journal23:15:142
198999972,2cyclictest240-21systemd-journal20:50:002
198999972,2cyclictest240-21systemd-journal20:50:002
198999970,1cyclictest0-21swapper/220:35:092
198919977,0cyclictest0-21swapper/120:25:171
198919974,0cyclictest0-21swapper/100:27:351
198919974,0cyclictest0-21swapper/100:27:341
198919971,2cyclictest0-21swapper/122:50:011
198919970,4cyclictest0-21swapper/119:14:591
198919970,3cyclictest0-21swapper/123:50:131
198839977,0cyclictest9-21ksoftirqd/023:35:140
198839977,0cyclictest9-21ksoftirqd/020:50:430
198839976,1cyclictest9-21ksoftirqd/023:54:590
198839976,1cyclictest10576-1kworker/u9:221:50:160
198839975,1cyclictest17405-21cpuspeed_turbos21:15:150
198839974,1cyclictest12932-21diskmemload21:26:160
198839973,0cyclictest12932-21diskmemload21:46:580
198839971,5cyclictest769-21lldpd20:25:190
198839971,5cyclictest13669-21ssh22:35:110
198839971,3cyclictest12932-21diskmemload22:55:130
198839971,0cyclictest29828-21ssh21:30:150
198839970,6cyclictest8611-21telnet21:00:140
198839970,6cyclictest6592-21diskstats20:55:140
198839970,6cyclictest32201-21sh22:15:190
198839970,6cyclictest21166-21ssh21:20:040
198839970,6cyclictest17046-21ssh00:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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