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2026-05-20 - 11:36
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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 May 20, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37802226151,25sleep20-21swapper/219:07:312
37712210158,26sleep30-21swapper/319:07:233
36342197158,26sleep00-21swapper/019:05:350
38362196158,25sleep10-21swapper/119:08:131
23642780,0sleep10-21swapper/122:40:191
91422550,0sleep00-21swapper/000:16:240
304342200,0sleep00-21swapper/020:00:190
235302180,0sleep10-21swapper/123:10:121
4078991413,1cyclictest0-21swapper/221:55:112
4078991412,1cyclictest28-21ksoftirqd/222:20:012
4078991412,1cyclictest28-21ksoftirqd/222:20:012
34702140,0sleep30-21swapper/300:10:133
4061991312,1cyclictest9-21ksoftirqd/023:29:590
185192130,0sleep10-21swapper/122:20:141
4086991210,1cyclictest35-21ksoftirqd/323:34:593
4078991211,1cyclictest28-21ksoftirqd/221:10:312
4078991211,1cyclictest28-21ksoftirqd/220:50:012
4078991211,1cyclictest28-21ksoftirqd/200:33:052
4078991210,1cyclictest28-21ksoftirqd/222:52:412
4078991210,1cyclictest28-21ksoftirqd/222:00:112
4078991210,1cyclictest28-21ksoftirqd/200:05:012
406199120,11cyclictest0-21swapper/022:40:110
115542120,0sleep10-21swapper/120:30:161
408699119,1cyclictest35-21ksoftirqd/323:55:143
408699119,1cyclictest35-21ksoftirqd/321:40:153
4086991110,1cyclictest35-21ksoftirqd/322:50:003
4086991110,1cyclictest35-21ksoftirqd/321:50:003
4086991110,1cyclictest35-21ksoftirqd/321:40:003
4086991110,1cyclictest35-21ksoftirqd/320:45:013
407899119,1cyclictest28-21ksoftirqd/221:50:172
407899119,1cyclictest28-21ksoftirqd/200:05:002
4078991110,1cyclictest28-21ksoftirqd/223:20:132
4061991111,0cyclictest9-21ksoftirqd/000:25:000
408699109,1cyclictest35-21ksoftirqd/323:10:123
408699109,1cyclictest35-21ksoftirqd/322:44:593
408699109,1cyclictest35-21ksoftirqd/300:35:003
408699108,1cyclictest35-21ksoftirqd/322:20:013
408699108,1cyclictest35-21ksoftirqd/322:20:003
407899109,1cyclictest28-21ksoftirqd/223:47:142
407899109,1cyclictest28-21ksoftirqd/222:25:012
407899109,1cyclictest28-21ksoftirqd/221:40:202
407899108,1cyclictest28-21ksoftirqd/221:25:172
407899108,1cyclictest28-21ksoftirqd/219:20:152
407899108,1cyclictest28-21ksoftirqd/200:10:152
407899100,9cyclictest0-21swapper/219:29:042
407899100,6cyclictest61650irq/122-eno123:34:452
407099106,4cyclictest56-21kworker/1:100:07:311
407099106,4cyclictest0-21swapper/122:49:101
406199109,1cyclictest9-21ksoftirqd/021:40:010
406199109,1cyclictest9-21ksoftirqd/021:34:300
406199109,1cyclictest9-21ksoftirqd/000:40:000
406199109,1cyclictest9-21ksoftirqd/000:05:000
406199100,6cyclictest561-21nscd19:55:110
40869999,0cyclictest35-21ksoftirqd/323:20:133
40869999,0cyclictest35-21ksoftirqd/322:50:183
40869999,0cyclictest35-21ksoftirqd/321:25:003
40869998,1cyclictest35-21ksoftirqd/323:05:123
40869998,1cyclictest35-21ksoftirqd/300:05:013
40869997,1cyclictest35-21ksoftirqd/322:55:123
40869997,1cyclictest35-21ksoftirqd/320:25:003
40789998,1cyclictest28-21ksoftirqd/223:25:192
40789998,1cyclictest28-21ksoftirqd/222:10:202
40789998,1cyclictest28-21ksoftirqd/222:10:192
40789998,1cyclictest28-21ksoftirqd/220:25:122
40789998,1cyclictest28-21ksoftirqd/200:25:132
40789997,1cyclictest28-21ksoftirqd/222:26:052
40789997,1cyclictest28-21ksoftirqd/219:50:152
40789997,1cyclictest28-21ksoftirqd/219:35:012
40789997,1cyclictest28-21ksoftirqd/200:15:202
40789995,3cyclictest28-21ksoftirqd/222:37:232
40789990,9cyclictest0-21swapper/222:09:312
40709990,9cyclictest21-21ksoftirqd/122:04:221
40619998,1cyclictest9-21ksoftirqd/021:45:150
40619998,1cyclictest9-21ksoftirqd/021:14:590
40619997,1cyclictest9-21ksoftirqd/019:45:010
29990290,0sleep329382-21diskmemload22:35:153
18072290,1sleep3240-21systemd-journal00:29:593
40869988,0cyclictest35-21ksoftirqd/322:10:013
40869987,1cyclictest35-21ksoftirqd/320:30:013
40869986,1cyclictest35-21ksoftirqd/320:15:133
40869986,1cyclictest16791-21apt-get19:35:123
40869986,1cyclictest16791-21apt-get19:35:113
40789988,0cyclictest28-21ksoftirqd/223:17:142
40789988,0cyclictest28-21ksoftirqd/222:42:082
40789987,1cyclictest28-21ksoftirqd/223:40:332
40789987,1cyclictest28-21ksoftirqd/223:00:192
40789987,1cyclictest28-21ksoftirqd/221:30:182
40789987,1cyclictest28-21ksoftirqd/221:15:212
40789987,1cyclictest28-21ksoftirqd/220:05:142
40789987,0cyclictest28-21ksoftirqd/223:55:162
40789986,1cyclictest28-21ksoftirqd/223:06:062
40789986,1cyclictest28-21ksoftirqd/221:22:332
40789986,1cyclictest28-21ksoftirqd/220:59:592
40789985,1cyclictest28-21ksoftirqd/221:05:002
40789983,3cyclictest61650irq/122-eno121:35:202
40789982,5cyclictest10733-21apt-get20:30:122
40709980,8cyclictest0-21swapper/120:25:191
40709980,7cyclictest0-21swapper/120:05:201
40709980,5cyclictest0-21swapper/100:25:171
40709980,2cyclictest0-21swapper/121:55:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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