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2026-06-17 - 05:48
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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 17, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170492230155,25sleep00-21swapper/019:09:130
169642199159,26sleep20-21swapper/219:08:072
170252198158,27sleep10-21swapper/119:08:551
169752198158,25sleep30-21swapper/319:08:163
233162700,0sleep10-21swapper/119:20:121
78732590,0sleep30-21swapper/319:55:133
17195992019,1cyclictest28-21ksoftirqd/219:50:002
17195991817,1cyclictest28-21ksoftirqd/220:45:012
103582180,0sleep20-21swapper/222:35:202
17195991616,0cyclictest28-21ksoftirqd/222:50:202
17195991615,1cyclictest28-21ksoftirqd/222:27:132
17195991615,1cyclictest28-21ksoftirqd/221:45:122
17195991614,1cyclictest28-21ksoftirqd/200:15:012
17195991614,1cyclictest28-21ksoftirqd/200:00:212
17195991514,1cyclictest28-21ksoftirqd/223:29:172
17195991514,1cyclictest28-21ksoftirqd/200:35:042
17195991514,1cyclictest28-21ksoftirqd/200:06:012
17195991513,1cyclictest28-21ksoftirqd/200:20:002
1719599147,4cyclictest28-21ksoftirqd/220:40:122
17195991414,0cyclictest28-21ksoftirqd/223:16:362
17195991414,0cyclictest28-21ksoftirqd/222:43:042
17195991413,1cyclictest28-21ksoftirqd/221:22:192
17195991413,1cyclictest28-21ksoftirqd/200:27:482
17195991412,1cyclictest28-21ksoftirqd/223:00:012
17195991313,0cyclictest28-21ksoftirqd/222:21:162
17195991313,0cyclictest28-21ksoftirqd/221:33:282
17195991312,1cyclictest28-21ksoftirqd/223:59:502
17195991312,1cyclictest28-21ksoftirqd/221:17:192
17195991312,1cyclictest28-21ksoftirqd/220:55:012
17195991312,1cyclictest28-21ksoftirqd/220:25:132
17195991311,1cyclictest28-21ksoftirqd/222:50:012
17195991311,1cyclictest28-21ksoftirqd/221:45:002
17195991311,1cyclictest28-21ksoftirqd/221:30:002
17195991311,1cyclictest28-21ksoftirqd/220:05:212
17195991311,1cyclictest28-21ksoftirqd/220:00:012
17195991311,1cyclictest28-21ksoftirqd/219:50:002
17195991311,1cyclictest28-21ksoftirqd/219:20:002
17202991210,1cyclictest35-21ksoftirqd/319:49:593
17195991211,1cyclictest28-21ksoftirqd/223:50:112
17195991211,1cyclictest28-21ksoftirqd/223:40:112
17195991211,1cyclictest28-21ksoftirqd/222:30:142
17195991211,1cyclictest28-21ksoftirqd/222:15:142
17195991211,1cyclictest28-21ksoftirqd/221:59:442
17195991211,1cyclictest28-21ksoftirqd/221:15:002
17195991211,1cyclictest28-21ksoftirqd/221:05:002
17195991211,1cyclictest28-21ksoftirqd/220:00:172
17195991211,1cyclictest28-21ksoftirqd/219:15:012
17195991211,1cyclictest28-21ksoftirqd/200:20:032
17195991210,1cyclictest28-21ksoftirqd/223:35:002
17195991210,1cyclictest28-21ksoftirqd/223:05:182
17195991210,1cyclictest28-21ksoftirqd/222:10:122
17195991210,1cyclictest28-21ksoftirqd/222:00:132
17195991210,1cyclictest28-21ksoftirqd/221:35:122
17195991210,1cyclictest28-21ksoftirqd/221:00:002
17195991210,1cyclictest28-21ksoftirqd/220:40:002
17195991210,1cyclictest28-21ksoftirqd/219:25:002
17183991212,0cyclictest0-21swapper/020:00:120
1719599119,1cyclictest28-21ksoftirqd/223:45:112
1719599119,1cyclictest28-21ksoftirqd/223:10:202
1719599119,1cyclictest28-21ksoftirqd/223:00:142
1719599119,1cyclictest28-21ksoftirqd/220:25:002
1719599119,1cyclictest28-21ksoftirqd/220:15:142
1719599119,1cyclictest28-21ksoftirqd/220:10:002
17195991111,0cyclictest28-21ksoftirqd/222:07:262
17195991111,0cyclictest28-21ksoftirqd/200:33:332
17195991110,1cyclictest28-21ksoftirqd/223:35:102
17195991110,1cyclictest28-21ksoftirqd/223:20:132
17195991110,1cyclictest28-21ksoftirqd/221:05:112
17195991110,1cyclictest28-21ksoftirqd/219:45:002
17195991110,1cyclictest28-21ksoftirqd/219:34:192
17195991110,1cyclictest28-21ksoftirqd/219:25:142
1718399112,4cyclictest20301-21grep23:35:010
17183991110,1cyclictest9-21ksoftirqd/021:45:000
1720299109,1cyclictest35-21ksoftirqd/322:15:163
1720299109,1cyclictest35-21ksoftirqd/322:15:003
1720299109,1cyclictest35-21ksoftirqd/321:45:143
17202991010,0cyclictest35-21ksoftirqd/322:10:013
17202991010,0cyclictest35-21ksoftirqd/300:05:163
1719599109,1cyclictest28-21ksoftirqd/221:50:132
1719599109,1cyclictest28-21ksoftirqd/220:35:012
1719599107,3cyclictest28-21ksoftirqd/219:35:152
1718399109,1cyclictest9-21ksoftirqd/022:24:590
1718399109,1cyclictest9-21ksoftirqd/000:30:010
1718399108,1cyclictest9-21ksoftirqd/022:29:590
1718399103,4cyclictest31508-21latency_hist23:50:000
172029999,0cyclictest35-21ksoftirqd/300:15:153
172029998,1cyclictest35-21ksoftirqd/323:20:003
172029998,1cyclictest35-21ksoftirqd/323:05:213
172029998,1cyclictest35-21ksoftirqd/322:00:133
172029998,1cyclictest35-21ksoftirqd/321:30:133
172029998,1cyclictest35-21ksoftirqd/300:35:003
172029997,1cyclictest35-21ksoftirqd/321:25:223
172029991,7cyclictest19550-21munin-node19:36:343
172029991,4cyclictest30449-21apt-get22:20:123
171839998,1cyclictest9-21ksoftirqd/023:05:010
171839998,1cyclictest9-21ksoftirqd/021:15:160
171839998,1cyclictest9-21ksoftirqd/020:25:010
171839991,7cyclictest10463-21diskmemload21:20:220
2954280,0sleep30-21swapper/323:55:083
172029988,0cyclictest35-21ksoftirqd/321:35:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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