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2025-11-28 - 03:12
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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 Nov 28, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295742209177,21sleep30-21swapper/319:09:133
293792203149,21sleep10-21swapper/119:06:411
293182201163,24sleep20-21swapper/219:05:552
294992200138,50sleep00-21swapper/019:08:140
29708991411,1cyclictest9-21ksoftirqd/019:50:000
197922140,0sleep30-21swapper/321:00:213
2970999130,12cyclictest0-21swapper/119:50:171
29717991210,1cyclictest28-21ksoftirqd/222:39:592
29717991210,1cyclictest28-21ksoftirqd/222:25:002
29718991110,1cyclictest35-21ksoftirqd/320:25:013
29718991110,1cyclictest35-21ksoftirqd/320:09:593
29718991110,1cyclictest35-21ksoftirqd/300:09:593
2971799119,1cyclictest28-21ksoftirqd/222:00:012
2971799119,1cyclictest28-21ksoftirqd/221:15:002
29717991110,1cyclictest28-21ksoftirqd/222:55:162
2971799110,0cyclictest0-21swapper/200:24:402
2971899109,1cyclictest35-21ksoftirqd/320:19:593
29718991010,0cyclictest0-21swapper/323:38:113
29718991010,0cyclictest0-21swapper/323:38:103
2971899100,8cyclictest3140-21apt-get19:20:153
2971799109,1cyclictest28-21ksoftirqd/221:40:172
2971799109,1cyclictest28-21ksoftirqd/220:20:002
2971799109,1cyclictest28-21ksoftirqd/200:15:002
2971799108,1cyclictest28-21ksoftirqd/223:50:152
2971799108,1cyclictest28-21ksoftirqd/219:40:002
2971799107,1cyclictest28-21ksoftirqd/220:35:012
2970899107,1cyclictest278-21systemd-udevd00:11:090
2970899102,4cyclictest15646-21perf23:15:000
2970899100,9cyclictest32543-21ssh00:23:550
297189999,0cyclictest35-21ksoftirqd/321:59:583
297179999,0cyclictest28-21ksoftirqd/222:45:162
297179999,0cyclictest28-21ksoftirqd/221:30:142
297179998,1cyclictest28-21ksoftirqd/223:20:222
297179998,1cyclictest28-21ksoftirqd/222:10:012
297179998,1cyclictest28-21ksoftirqd/221:45:142
297179997,1cyclictest28-21ksoftirqd/223:45:002
297179997,1cyclictest28-21ksoftirqd/223:30:132
297179997,1cyclictest28-21ksoftirqd/219:20:002
297179990,5cyclictest60950irq/123-eno123:26:302
297089994,1cyclictest0-21swapper/022:05:320
297089990,8cyclictest0-21swapper/023:21:520
297089990,1cyclictest254-21systemd-journal19:26:420
12274290,0sleep00-21swapper/021:37:170
297189987,1cyclictest35-21ksoftirqd/323:00:013
297189984,1cyclictest23238-21diskmemload23:56:313
297189982,3cyclictest23238-21diskmemload22:40:123
297189980,6cyclictest12990-21/usr/sbin/munin22:25:173
297179988,0cyclictest28-21ksoftirqd/223:10:152
297179987,1cyclictest28-21ksoftirqd/221:25:172
297179986,1cyclictest8828-21cat00:35:162
297179986,1cyclictest60950irq/123-eno121:52:182
297179986,1cyclictest60950irq/123-eno121:35:172
297179986,1cyclictest60950irq/123-eno100:30:262
297179986,1cyclictest60950irq/123-eno100:00:212
297179984,2cyclictest570-21systemd-logind23:05:202
297179980,7cyclictest28-21ksoftirqd/223:02:332
297099980,4cyclictest0-21swapper/123:05:191
297089987,1cyclictest1449-21ntpd21:40:050
297089986,1cyclictest9-21ksoftirqd/020:55:000
297089986,1cyclictest8148-21chrt21:31:220
297089981,6cyclictest8433-21ssh00:35:130
297089980,7cyclictest8420-21ssh22:18:190
297089980,7cyclictest649-21ssh21:21:060
297089980,7cyclictest30657-21ssh22:50:120
297089980,7cyclictest22702-21ssh22:38:160
297089980,7cyclictest0-21swapper/022:40:160
8209270,0sleep10-21swapper/122:17:381
297189977,0cyclictest35-21ksoftirqd/323:06:233
297189976,1cyclictest35-21ksoftirqd/320:05:003
297189976,1cyclictest1449-21ntpd22:31:223
297189975,1cyclictest35-21ksoftirqd/319:45:013
297189975,1cyclictest25468-21ssh21:11:113
297189975,1cyclictest1449-21ntpd19:26:223
297189974,1cyclictest0-21swapper/323:20:173
297189973,3cyclictest564-21nscd21:33:073
297189972,4cyclictest23232-21rm00:10:173
297189972,3cyclictest35-21ksoftirqd/300:34:333
297189971,4cyclictest14933-21apt-get19:45:103
297189971,1cyclictest0-21swapper/323:12:163
297189970,6cyclictest226032sleep321:51:223
297189970,3cyclictest0-21swapper/300:19:103
297179977,0cyclictest28-21ksoftirqd/223:15:202
297179977,0cyclictest28-21ksoftirqd/221:20:182
297179976,1cyclictest60950irq/123-eno123:59:552
297179976,1cyclictest60950irq/123-eno122:33:402
297179976,1cyclictest60950irq/123-eno120:10:122
297179976,1cyclictest60950irq/123-eno119:20:162
297179976,1cyclictest28-21ksoftirqd/223:40:162
297179976,1cyclictest28-21ksoftirqd/222:20:192
297179976,1cyclictest28-21ksoftirqd/219:10:122
297179976,1cyclictest0-21swapper/220:25:172
297179976,0cyclictest0-21swapper/222:43:272
297179975,1cyclictest60950irq/123-eno121:00:162
297179975,1cyclictest60950irq/123-eno119:40:122
297179975,1cyclictest28465-21find21:15:202
297179975,1cyclictest10273-21ntpq20:40:192
297179974,2cyclictest8971-21munin-run22:20:002
297179973,3cyclictest29926-21diskmemload23:35:042
297179973,3cyclictest29926-21diskmemload23:35:032
297179970,6cyclictest0-21swapper/219:55:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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