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2025-12-09 - 04:05
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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 Dec 09, 2025 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69982216152,21sleep30-21swapper/319:05:023
88592209148,48sleep00-21swapper/019:06:410
89742206151,22sleep10-21swapper/119:08:101
88312199159,26sleep20-21swapper/219:06:192
156582710,1sleep015655-21basename23:45:010
263912620,0sleep30-21swapper/322:26:053
111782600,0sleep30-21swapper/320:20:123
9200991412,1cyclictest9-21ksoftirqd/000:20:000
922099130,12cyclictest0-21swapper/223:02:392
922099120,11cyclictest11561-21munin-node21:17:082
9200991212,0cyclictest9-21ksoftirqd/021:50:170
9200991211,1cyclictest9-21ksoftirqd/023:05:170
9200991210,1cyclictest9-21ksoftirqd/021:35:010
9200991210,1cyclictest9-21ksoftirqd/000:35:150
922899110,4cyclictest15917-21apt-get23:45:113
920099119,1cyclictest9-21ksoftirqd/022:45:140
9200991110,1cyclictest9-21ksoftirqd/022:55:010
9200991110,1cyclictest9-21ksoftirqd/022:55:000
922899109,1cyclictest35-21ksoftirqd/322:34:593
922899109,1cyclictest35-21ksoftirqd/322:20:153
922099109,1cyclictest28-21ksoftirqd/223:25:142
922099109,1cyclictest28-21ksoftirqd/223:25:012
922099109,1cyclictest28-21ksoftirqd/221:04:592
920099109,1cyclictest9-21ksoftirqd/022:20:150
920099108,1cyclictest9-21ksoftirqd/022:35:200
920099108,1cyclictest9-21ksoftirqd/022:30:150
920099108,1cyclictest9-21ksoftirqd/021:55:140
920099108,1cyclictest9-21ksoftirqd/021:25:150
920099108,1cyclictest9-21ksoftirqd/021:00:000
920099108,1cyclictest9-21ksoftirqd/000:00:140
920099105,4cyclictest25074-21fschecks_time22:25:160
920099100,7cyclictest10312-21apt-get22:05:120
920099100,4cyclictest254-21systemd-journal22:10:240
920099100,4cyclictest254-21systemd-journal22:10:230
920099100,4cyclictest0-21swapper/020:25:140
287162100,0sleep20-21swapper/200:01:092
92289998,1cyclictest35-21ksoftirqd/323:10:013
92209997,1cyclictest28-21ksoftirqd/223:15:012
92209990,5cyclictest1449-21ntpd22:50:102
92209990,5cyclictest1449-21ntpd22:50:092
92209990,5cyclictest1449-21ntpd00:13:512
92009999,0cyclictest9-21ksoftirqd/023:15:140
92009998,1cyclictest11984-21ssh23:39:390
92009998,1cyclictest11984-21ssh23:39:380
92009997,1cyclictest9-21ksoftirqd/021:20:160
92009997,0cyclictest16497-21ssh23:45:140
92009991,4cyclictest6023-21perf20:10:000
92009990,4cyclictest27289-21latency_hist20:55:000
92009990,1cyclictest0-21swapper/021:37:380
92289988,0cyclictest35-21ksoftirqd/321:55:013
92289987,1cyclictest22277-21latency_hist00:40:003
92289986,1cyclictest35-21ksoftirqd/319:15:013
92289986,1cyclictest35-21ksoftirqd/319:14:593
92289980,5cyclictest5893-21apt-get21:15:133
92289980,2cyclictest0-21swapper/319:35:123
92209987,1cyclictest28-21ksoftirqd/222:05:132
92209987,1cyclictest28-21ksoftirqd/222:05:012
92209987,1cyclictest28-21ksoftirqd/220:10:002
92209987,1cyclictest28-21ksoftirqd/219:55:132
92209986,1cyclictest60950irq/123-eno121:40:112
92209986,1cyclictest60950irq/123-eno100:30:232
92209986,1cyclictest28-21ksoftirqd/223:50:012
92209986,1cyclictest28-21ksoftirqd/223:40:142
92209986,1cyclictest28-21ksoftirqd/222:25:002
92209984,1cyclictest278-21systemd-udevd23:51:092
92209980,2cyclictest0-21swapper/222:30:132
92209980,1cyclictest0-21swapper/220:20:112
92119980,7cyclictest0-21swapper/123:10:161
92009987,1cyclictest9-21ksoftirqd/023:10:210
92009987,1cyclictest9-21ksoftirqd/022:15:130
92009986,1cyclictest9-21ksoftirqd/019:25:160
92009986,1cyclictest9-21ksoftirqd/019:14:590
92009982,5cyclictest3272-21sensors_temp23:25:200
92009981,3cyclictest1299-21/usr/sbin/munin00:10:160
92009980,7cyclictest9546-21ssh22:04:100
92009980,7cyclictest8753-21ssh21:18:270
92009980,7cyclictest24182-21which20:45:210
92289977,0cyclictest35-21ksoftirqd/322:55:233
92289976,1cyclictest35-21ksoftirqd/323:20:003
92289976,0cyclictest0-21swapper/323:35:413
92289976,0cyclictest0-21swapper/323:35:403
92289975,1cyclictest18058-21latency_hist20:35:003
92289972,3cyclictest31822-21/usr/sbin/munin23:20:173
92289972,2cyclictest1965-21diskmemload21:25:063
92289971,0cyclictest1965-21diskmemload21:22:313
92289970,6cyclictest38232sleep300:12:443
92289970,5cyclictest0-21swapper/323:59:493
92289970,5cyclictest0-21swapper/319:30:013
92289970,4cyclictest557-21nscd00:27:193
92289970,3cyclictest0-21swapper/323:34:303
92289970,3cyclictest0-21swapper/323:01:233
92289970,3cyclictest0-21swapper/300:17:253
92289970,2cyclictest254-21systemd-journal20:12:513
92289970,2cyclictest0-21swapper/321:31:113
92289970,1cyclictest0-21swapper/322:42:343
92289970,0cyclictest0-21swapper/323:50:553
92209976,1cyclictest60950irq/123-eno123:55:212
92209976,1cyclictest60950irq/123-eno123:19:352
92209976,1cyclictest60950irq/123-eno122:42:312
92209976,1cyclictest60950irq/123-eno122:15:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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