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2026-04-01 - 11:33
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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 Wed Apr 01, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72422221154,21sleep00-21swapper/019:06:360
53842209149,21sleep30-21swapper/319:05:023
72332200161,25sleep10-21swapper/119:06:291
72122199160,25sleep20-21swapper/219:06:142
138022620,0sleep20-21swapper/222:50:142
760499149,1cyclictest28-21ksoftirqd/222:15:112
760499120,0cyclictest0-21swapper/222:06:312
760499119,1cyclictest28-21ksoftirqd/221:35:172
7604991111,0cyclictest0-21swapper/221:27:342
7604991110,1cyclictest28-21ksoftirqd/222:55:162
7604991110,1cyclictest28-21ksoftirqd/222:40:102
759599112,4cyclictest7442-21perf23:25:000
760499108,1cyclictest28958-21gltestperf21:45:152
760499108,1cyclictest28-21ksoftirqd/200:05:002
7604991010,0cyclictest0-21swapper/200:13:392
760499100,9cyclictest0-21swapper/221:44:112
760499100,10cyclictest0-21swapper/223:35:422
759799102,8cyclictest22776-21taskset00:28:181
759599108,1cyclictest9-21ksoftirqd/020:25:000
759599103,6cyclictest24092-21perf21:40:000
759599100,7cyclictest24994-21ssh22:21:440
76159997,1cyclictest13020-21latency_hist22:50:013
76159990,8cyclictest0-21swapper/322:40:103
76159990,5cyclictest0-21swapper/323:20:413
76049998,0cyclictest28-21ksoftirqd/200:32:292
76049997,1cyclictest28-21ksoftirqd/222:20:132
76049990,7cyclictest0-21swapper/221:56:352
76049990,0cyclictest0-21swapper/223:40:512
75959993,5cyclictest24812-21sed19:45:000
75959990,6cyclictest32434-21apt-get23:15:100
76159986,1cyclictest35-21ksoftirqd/320:30:103
76159986,1cyclictest35-21ksoftirqd/300:00:003
76159984,1cyclictest240-21systemd-journal23:15:003
76049987,1cyclictest28-21ksoftirqd/223:00:162
76049986,1cyclictest61650irq/122-eno123:15:152
76049986,1cyclictest28-21ksoftirqd/223:30:002
76049986,0cyclictest61650irq/122-eno100:39:022
76049981,6cyclictest32644-21diskmemload23:20:192
76049980,8cyclictest0-21swapper/221:15:502
76049980,7cyclictest61650irq/122-eno122:45:202
75979982,2cyclictest30057-21taskset21:45:331
75979980,4cyclictest0-21swapper/123:00:131
75959988,0cyclictest0-21swapper/000:08:210
75959987,1cyclictest9-21ksoftirqd/021:10:000
75959987,1cyclictest9-21ksoftirqd/021:05:000
75959986,1cyclictest9-21ksoftirqd/023:36:580
75959986,1cyclictest32176-21aten_r1power_po20:00:120
75959984,2cyclictest3024-21ssh21:54:440
75959984,2cyclictest240-21systemd-journal22:05:000
75959983,1cyclictest28599-21/usr/sbin/munin23:10:110
75959981,6cyclictest12636-21ssh22:05:210
75959981,6cyclictest12260-21sh00:15:120
75959980,1cyclictest15819-21ssh21:29:170
75959980,1cyclictest10553-21ssh23:28:140
76159976,1cyclictest32644-21diskmemload00:22:133
76159975,1cyclictest2655-21cat22:35:153
76159975,1cyclictest11667-21ssh21:24:003
76159973,3cyclictest2014-21apt-get20:05:123
76159973,2cyclictest240-21systemd-journal19:15:003
76159972,2cyclictest240-21systemd-journal19:52:083
76159970,4cyclictest15339-21gpgv23:35:003
76159970,4cyclictest0-21swapper/323:50:503
76159970,4cyclictest0-21swapper/323:00:123
76159970,3cyclictest0-21swapper/300:35:203
76159970,2cyclictest0-21swapper/321:42:153
76049976,1cyclictest61650irq/122-eno122:10:142
76049976,1cyclictest61650irq/122-eno121:30:122
76049976,1cyclictest61650irq/122-eno119:55:132
76049976,1cyclictest61650irq/122-eno100:26:162
76049976,1cyclictest28-21ksoftirqd/223:48:442
76049976,1cyclictest28-21ksoftirqd/221:22:202
76049976,1cyclictest28-21ksoftirqd/219:50:002
76049976,1cyclictest28-21ksoftirqd/200:20:192
76049975,1cyclictest6783-21sshd00:06:282
76049975,1cyclictest61650irq/122-eno123:55:152
76049975,1cyclictest61650irq/122-eno122:25:222
76049975,1cyclictest28-21ksoftirqd/222:39:512
76049975,1cyclictest28-21ksoftirqd/220:30:142
76049974,1cyclictest28-21ksoftirqd/220:15:002
76049973,2cyclictest548-21systemd-logind23:05:192
76049973,2cyclictest548-21systemd-logind19:15:002
76049971,2cyclictest0-21swapper/223:50:102
75979974,2cyclictest22622sleep123:16:341
75979971,3cyclictest0-21swapper/120:45:171
75979970,4cyclictest0-21swapper/122:02:591
75979970,3cyclictest0-21swapper/122:09:551
75979970,2cyclictest0-21swapper/121:24:391
75979970,0cyclictest0-21swapper/121:44:141
75959977,0cyclictest9-21ksoftirqd/020:00:000
75959976,1cyclictest9427-21ssh22:45:060
75959976,1cyclictest9-21ksoftirqd/020:20:000
75959976,1cyclictest3048-21ssh21:12:390
75959975,1cyclictest9-21ksoftirqd/021:30:010
75959975,1cyclictest9-21ksoftirqd/020:13:130
75959975,1cyclictest9-21ksoftirqd/019:40:000
75959975,1cyclictest7076-21ssh21:17:320
75959975,1cyclictest32644-21diskmemload22:50:460
75959975,1cyclictest25600-21hddtemp_smartct23:05:150
75959975,1cyclictest18230-21ssh00:21:210
75959972,2cyclictest32644-21diskmemload00:14:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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