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2026-06-15 - 08:42
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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 Mon Jun 15, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60592210150,22sleep30-21swapper/319:09:293
59402208174,23sleep10-21swapper/119:07:541
60802205167,24sleep20-21swapper/219:09:442
58822200164,23sleep00-21swapper/019:07:090
307622750,0sleep10-21swapper/121:50:221
41152740,1sleep1111rcu_preempt20:10:121
158712640,1sleep331669-21diskmemload23:00:133
68062290,0sleep10-21swapper/120:15:181
19222160,0sleep10-21swapper/122:40:151
6189991414,0cyclictest28-21ksoftirqd/222:39:352
6173991311,1cyclictest9-21ksoftirqd/020:20:000
6189991211,1cyclictest28-21ksoftirqd/223:15:192
6189991211,1cyclictest28-21ksoftirqd/222:35:002
6189991211,1cyclictest28-21ksoftirqd/220:50:212
6189991211,1cyclictest28-21ksoftirqd/220:30:002
6189991211,1cyclictest28-21ksoftirqd/220:00:002
6189991210,1cyclictest12424-21awk22:10:182
6173991211,1cyclictest9-21ksoftirqd/019:34:590
6195991110,1cyclictest35-21ksoftirqd/322:55:003
6189991110,1cyclictest28-21ksoftirqd/200:15:012
618999110,11cyclictest0-21swapper/221:13:342
618999110,0cyclictest0-21swapper/222:15:122
6181991111,0cyclictest0-21swapper/122:35:101
617399119,1cyclictest9-21ksoftirqd/021:40:130
617399113,4cyclictest21918-21latency_hist22:25:000
6173991111,0cyclictest9-21ksoftirqd/021:28:580
6173991110,1cyclictest9-21ksoftirqd/022:35:000
6173991110,1cyclictest9-21ksoftirqd/022:05:150
6173991110,1cyclictest9-21ksoftirqd/021:10:110
6173991110,1cyclictest9-21ksoftirqd/021:00:000
619599109,1cyclictest35-21ksoftirqd/323:10:003
618999109,1cyclictest28-21ksoftirqd/222:25:122
618999109,1cyclictest28-21ksoftirqd/221:09:592
618999109,1cyclictest28-21ksoftirqd/220:30:152
618999109,1cyclictest28-21ksoftirqd/219:45:012
618999109,1cyclictest28-21ksoftirqd/219:30:152
618999109,1cyclictest28-21ksoftirqd/219:20:142
618999102,7cyclictest11649-21cat21:25:172
6189991010,0cyclictest28-21ksoftirqd/223:20:132
6189991010,0cyclictest28-21ksoftirqd/222:50:132
6189991010,0cyclictest28-21ksoftirqd/200:31:052
6189991010,0cyclictest1536-21fschecks_time22:40:142
618999100,4cyclictest0-21swapper/220:00:122
618999100,2cyclictest0-21swapper/200:26:032
618999100,0cyclictest0-21swapper/223:35:002
617399109,1cyclictest9-21ksoftirqd/023:50:000
617399109,1cyclictest9-21ksoftirqd/023:35:100
617399109,1cyclictest9-21ksoftirqd/022:55:180
617399109,1cyclictest9-21ksoftirqd/022:35:150
617399108,1cyclictest9-21ksoftirqd/020:35:000
617399108,1cyclictest9-21ksoftirqd/000:00:140
617399107,1cyclictest9-21ksoftirqd/021:39:550
617399102,4cyclictest1244-21grep23:25:010
617399100,3cyclictest23401-21apt-get23:55:120
61959998,1cyclictest35-21ksoftirqd/319:45:013
61959998,1cyclictest35-21ksoftirqd/300:35:003
61959997,1cyclictest35-21ksoftirqd/319:45:123
61899999,0cyclictest28-21ksoftirqd/222:49:552
61899999,0cyclictest28-21ksoftirqd/222:23:322
61899999,0cyclictest28-21ksoftirqd/222:00:132
61899999,0cyclictest28-21ksoftirqd/219:15:112
61899999,0cyclictest28-21ksoftirqd/200:05:322
61899998,1cyclictest28-21ksoftirqd/223:45:002
61899998,1cyclictest28-21ksoftirqd/223:30:122
61899998,1cyclictest28-21ksoftirqd/223:10:142
61899998,1cyclictest28-21ksoftirqd/223:00:192
61899998,1cyclictest28-21ksoftirqd/222:08:442
61899998,1cyclictest28-21ksoftirqd/221:35:142
61899997,1cyclictest28-21ksoftirqd/223:05:132
61899997,1cyclictest28-21ksoftirqd/221:00:002
61899997,1cyclictest28-21ksoftirqd/220:35:152
61819991,8cyclictest0-21swapper/122:47:151
61819990,9cyclictest0-21swapper/100:17:151
61739999,0cyclictest9-21ksoftirqd/021:53:330
61739999,0cyclictest9-21ksoftirqd/019:20:110
61739998,1cyclictest9-21ksoftirqd/023:50:130
61739998,1cyclictest9-21ksoftirqd/023:15:190
61739998,1cyclictest9-21ksoftirqd/021:30:140
61739998,1cyclictest9-21ksoftirqd/021:30:140
61739998,1cyclictest9-21ksoftirqd/021:15:140
61739998,1cyclictest9-21ksoftirqd/019:15:140
61739998,1cyclictest9-21ksoftirqd/000:20:160
61739997,1cyclictest9-21ksoftirqd/023:15:010
61739997,1cyclictest9-21ksoftirqd/020:50:210
61739997,1cyclictest9-21ksoftirqd/000:29:030
61739990,7cyclictest1029-21snmpd23:28:090
61739990,4cyclictest27188-21apt-get21:00:120
61959987,1cyclictest35-21ksoftirqd/323:35:003
61959987,1cyclictest35-21ksoftirqd/322:40:003
61959987,1cyclictest35-21ksoftirqd/320:30:003
61959986,1cyclictest1029-21snmpd23:58:573
61959986,1cyclictest1029-21snmpd23:44:363
61959986,1cyclictest1029-21snmpd20:23:163
61959981,5cyclictest14481-21apt-get21:30:123
61959981,5cyclictest14481-21apt-get21:30:123
61899988,0cyclictest28-21ksoftirqd/221:55:312
61899988,0cyclictest28-21ksoftirqd/221:49:322
61899988,0cyclictest28-21ksoftirqd/221:40:192
61899988,0cyclictest28-21ksoftirqd/221:15:042
61899988,0cyclictest28-21ksoftirqd/200:19:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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