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2025-12-27 - 02:58
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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 Sat Dec 27, 2025 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254812216151,22sleep20-21swapper/219:09:142
252012209173,24sleep30-21swapper/319:05:343
254692205172,21sleep00-21swapper/019:09:050
253412204149,41sleep10-21swapper/119:07:251
306842630,0sleep30-21swapper/319:15:203
2563799155,7cyclictest35-21ksoftirqd/319:55:143
25637991514,1cyclictest35-21ksoftirqd/323:45:003
25637991514,1cyclictest35-21ksoftirqd/321:05:133
25637991514,0cyclictest35-21ksoftirqd/319:10:213
25637991513,1cyclictest35-21ksoftirqd/321:40:183
25637991413,1cyclictest35-21ksoftirqd/322:10:013
25637991412,1cyclictest35-21ksoftirqd/300:25:193
25637991412,1cyclictest35-21ksoftirqd/300:25:003
25616991412,1cyclictest9-21ksoftirqd/000:00:010
25637991312,1cyclictest35-21ksoftirqd/320:10:123
25637991311,1cyclictest35-21ksoftirqd/321:55:133
25637991311,1cyclictest35-21ksoftirqd/319:40:003
25621991311,1cyclictest28-21ksoftirqd/220:20:012
25621991311,1cyclictest28-21ksoftirqd/220:10:012
25616991312,1cyclictest9-21ksoftirqd/020:40:130
2561699130,12cyclictest0-21swapper/023:10:120
2563799124,5cyclictest35-21ksoftirqd/323:05:113
25637991212,0cyclictest35-21ksoftirqd/323:10:143
25637991211,1cyclictest35-21ksoftirqd/322:35:183
25637991211,1cyclictest35-21ksoftirqd/322:00:183
25637991211,0cyclictest35-21ksoftirqd/322:20:143
25637991210,1cyclictest35-21ksoftirqd/323:49:593
25621991211,1cyclictest28-21ksoftirqd/200:39:592
25621991210,1cyclictest28-21ksoftirqd/219:19:592
25616991211,1cyclictest9-21ksoftirqd/022:55:000
25616991211,1cyclictest9-21ksoftirqd/022:05:000
25616991210,1cyclictest9-21ksoftirqd/022:30:000
25616991210,1cyclictest9-21ksoftirqd/020:39:590
2563799119,1cyclictest35-21ksoftirqd/322:40:163
2563799119,1cyclictest35-21ksoftirqd/300:05:153
25637991111,0cyclictest35-21ksoftirqd/323:35:133
25637991111,0cyclictest35-21ksoftirqd/323:00:173
25637991111,0cyclictest35-21ksoftirqd/319:20:123
25637991111,0cyclictest35-21ksoftirqd/300:35:193
25637991110,1cyclictest35-21ksoftirqd/322:15:013
25637991110,1cyclictest35-21ksoftirqd/319:40:153
25637991110,1cyclictest35-21ksoftirqd/300:15:003
2562199119,1cyclictest28-21ksoftirqd/221:35:002
2562199119,1cyclictest28-21ksoftirqd/219:15:002
25621991110,1cyclictest28-21ksoftirqd/223:05:012
25621991110,1cyclictest28-21ksoftirqd/220:29:592
2561699119,1cyclictest9-21ksoftirqd/021:55:010
2561699111,5cyclictest13997-21perf21:00:010
2563799109,1cyclictest35-21ksoftirqd/323:30:003
2563799109,1cyclictest35-21ksoftirqd/321:50:173
2563799109,1cyclictest35-21ksoftirqd/320:50:003
2563799109,1cyclictest35-21ksoftirqd/300:20:003
2563799109,0cyclictest35-21ksoftirqd/322:30:133
2563799108,1cyclictest35-21ksoftirqd/322:20:013
2563799108,1cyclictest35-21ksoftirqd/300:00:003
2563799107,1cyclictest35-21ksoftirqd/322:49:593
2563799107,1cyclictest35-21ksoftirqd/321:16:593
2563799101,6cyclictest2490-21kworker/3:020:15:213
2562199108,1cyclictest28-21ksoftirqd/222:55:142
2562199108,1cyclictest28-21ksoftirqd/221:40:122
2562199108,1cyclictest28-21ksoftirqd/220:45:112
2562199108,1cyclictest28-21ksoftirqd/220:20:102
2562199100,9cyclictest0-21swapper/220:55:182
2561699109,1cyclictest9-21ksoftirqd/023:20:010
2561699109,1cyclictest9-21ksoftirqd/020:20:010
2561699109,1cyclictest9-21ksoftirqd/000:10:000
2561699108,1cyclictest9-21ksoftirqd/000:10:150
2561699103,6cyclictest11307-21perf00:20:000
2561699102,5cyclictest240-21systemd-journal19:29:590
25616991010,0cyclictest0-21swapper/019:52:540
256379999,0cyclictest35-21ksoftirqd/321:00:213
256379998,1cyclictest35-21ksoftirqd/323:20:103
256379998,1cyclictest35-21ksoftirqd/322:50:163
256379998,1cyclictest35-21ksoftirqd/321:25:203
256379998,1cyclictest35-21ksoftirqd/320:55:173
256379998,1cyclictest35-21ksoftirqd/319:25:173
256379997,1cyclictest35-21ksoftirqd/322:55:113
256379997,1cyclictest35-21ksoftirqd/321:20:153
256379997,1cyclictest35-21ksoftirqd/321:10:163
256379997,1cyclictest35-21ksoftirqd/320:50:193
256379997,1cyclictest35-21ksoftirqd/320:35:133
256379997,1cyclictest35-21ksoftirqd/320:30:193
256379997,1cyclictest35-21ksoftirqd/320:25:153
256379997,1cyclictest35-21ksoftirqd/320:20:153
256379997,1cyclictest35-21ksoftirqd/320:05:113
256379997,1cyclictest35-21ksoftirqd/319:50:183
256379997,1cyclictest35-21ksoftirqd/319:45:163
256379997,1cyclictest35-21ksoftirqd/300:30:123
256379997,1cyclictest35-21ksoftirqd/300:00:133
256219998,1cyclictest28-21ksoftirqd/219:45:162
256219998,1cyclictest28-21ksoftirqd/200:00:182
256219997,1cyclictest28-21ksoftirqd/219:40:142
256219997,1cyclictest28-21ksoftirqd/200:35:002
256219997,1cyclictest28-21ksoftirqd/200:25:002
256219990,8cyclictest14189-21apt-get21:00:132
256169998,1cyclictest9-21ksoftirqd/023:25:000
256169998,1cyclictest9-21ksoftirqd/021:55:100
256169998,0cyclictest9-21ksoftirqd/020:50:010
256169991,4cyclictest1991-21cat20:34:590
256379987,1cyclictest35-21ksoftirqd/323:30:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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