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2026-06-10 - 02:54
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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 Jun 10, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143882215152,22sleep30-21swapper/319:06:513
145712201161,26sleep20-21swapper/219:09:152
145552199160,25sleep10-21swapper/119:09:021
143852199158,27sleep00-21swapper/019:06:480
221782690,0sleep10-21swapper/100:24:091
14729991615,1cyclictest28-21ksoftirqd/219:40:142
4342150,0sleep20-21swapper/220:52:272
14729991414,0cyclictest28-21ksoftirqd/221:47:212
14729991413,1cyclictest28-21ksoftirqd/222:17:302
14729991412,1cyclictest28-21ksoftirqd/223:05:002
14729991312,1cyclictest28-21ksoftirqd/221:40:142
14739991210,1cyclictest35-21ksoftirqd/320:00:003
1472999126,3cyclictest61650irq/122-eno121:26:302
14729991212,0cyclictest28-21ksoftirqd/200:10:162
14729991210,1cyclictest28-21ksoftirqd/223:15:192
14729991210,1cyclictest28-21ksoftirqd/200:05:252
1471999122,5cyclictest21674-21perf23:40:000
289362110,0sleep37770-21diskmemload21:36:143
14729991111,0cyclictest2850ksoftirqd/200:26:412
14729991110,1cyclictest28-21ksoftirqd/222:10:502
1471999119,1cyclictest9-21ksoftirqd/023:05:000
1471999119,1cyclictest9-21ksoftirqd/022:20:000
1471999115,5cyclictest9-21ksoftirqd/020:05:120
14719991110,1cyclictest9-21ksoftirqd/020:50:000
14719991110,1cyclictest9-21ksoftirqd/000:35:000
14719991110,1cyclictest9-21ksoftirqd/000:15:010
1473999109,1cyclictest35-21ksoftirqd/323:20:003
1473999108,1cyclictest591-21unixbench_multi22:25:203
1473999100,4cyclictest0-21swapper/321:55:123
1472999109,1cyclictest28-21ksoftirqd/223:51:422
1472999109,1cyclictest28-21ksoftirqd/222:55:002
1472999109,1cyclictest28-21ksoftirqd/222:50:102
1472999109,1cyclictest28-21ksoftirqd/222:00:102
1472999109,1cyclictest28-21ksoftirqd/221:55:172
1472999109,1cyclictest28-21ksoftirqd/221:50:142
1472999109,1cyclictest28-21ksoftirqd/221:20:112
1472999109,1cyclictest28-21ksoftirqd/220:40:002
1472999109,1cyclictest28-21ksoftirqd/200:00:202
1472999108,1cyclictest28-21ksoftirqd/223:30:132
1472999108,1cyclictest28-21ksoftirqd/223:06:262
1472999108,1cyclictest28-21ksoftirqd/222:10:002
1472999108,1cyclictest28-21ksoftirqd/220:25:002
1472999108,1cyclictest0-21swapper/223:10:442
1472999107,2cyclictest28-21ksoftirqd/200:30:172
1472299100,6cyclictest0-21swapper/120:50:121
1471999108,1cyclictest9-21ksoftirqd/019:55:000
1471999102,4cyclictest22528-21date00:25:000
14719991010,0cyclictest9-21ksoftirqd/020:55:000
14719991010,0cyclictest7770-21diskmemload21:15:070
147399997,1cyclictest35-21ksoftirqd/319:40:003
147399992,4cyclictest7770-21diskmemload00:20:123
147399990,5cyclictest7770-21diskmemload23:46:193
147299999,0cyclictest28-21ksoftirqd/223:35:172
147299999,0cyclictest28-21ksoftirqd/223:25:172
147299999,0cyclictest28-21ksoftirqd/223:20:142
147299999,0cyclictest28-21ksoftirqd/223:20:142
147299999,0cyclictest28-21ksoftirqd/200:20:152
147299998,1cyclictest28-21ksoftirqd/223:59:502
147299998,1cyclictest28-21ksoftirqd/223:45:122
147299998,1cyclictest28-21ksoftirqd/223:40:202
147299998,1cyclictest28-21ksoftirqd/222:24:272
147299998,1cyclictest28-21ksoftirqd/221:35:152
147299998,1cyclictest28-21ksoftirqd/221:30:192
147299998,1cyclictest28-21ksoftirqd/221:18:142
147299998,1cyclictest28-21ksoftirqd/200:35:172
147229990,7cyclictest0-21swapper/120:05:181
147199998,1cyclictest9-21ksoftirqd/021:30:000
147199990,8cyclictest1029-21snmpd21:58:350
147399988,0cyclictest7770-21diskmemload21:25:203
147399987,1cyclictest35-21ksoftirqd/321:45:003
147399987,1cyclictest15863-21sensors20:15:173
147399986,1cyclictest35-21ksoftirqd/322:30:053
147399986,1cyclictest2939-21ntpq21:45:173
147399986,1cyclictest1029-21snmpd21:04:303
147399986,1cyclictest1029-21snmpd19:20:333
147399986,1cyclictest1029-21snmpd19:12:093
147399982,4cyclictest18206-21apt-get23:35:113
147399981,6cyclictest2468-21apt-get19:50:103
147399981,4cyclictest14716-21cyclictest21:15:143
147399980,7cyclictest17502-21memory22:05:173
147399980,7cyclictest13936-1kworker/u9:200:15:193
147299988,0cyclictest61650irq/122-eno122:30:142
147299987,1cyclictest28-21ksoftirqd/222:45:202
147299987,1cyclictest28-21ksoftirqd/222:41:072
147299987,1cyclictest28-21ksoftirqd/222:35:442
147299987,1cyclictest28-21ksoftirqd/222:27:052
147299987,1cyclictest28-21ksoftirqd/221:13:162
147299987,1cyclictest28-21ksoftirqd/221:00:132
147299987,1cyclictest28-21ksoftirqd/219:30:212
147299987,1cyclictest28-21ksoftirqd/200:15:452
147299986,1cyclictest61650irq/122-eno120:55:152
147299986,1cyclictest28-21ksoftirqd/219:50:182
147299986,1cyclictest1029-21snmpd19:27:332
147229981,2cyclictest0-21swapper/121:35:171
147229980,6cyclictest0-21swapper/123:46:011
147199987,1cyclictest9-21ksoftirqd/023:50:000
147199987,1cyclictest9-21ksoftirqd/022:20:150
147199987,1cyclictest9-21ksoftirqd/019:15:130
147199987,1cyclictest9-21ksoftirqd/000:30:000
147199986,1cyclictest28557-21apt-get23:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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