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2026-04-02 - 11:27
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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 Thu Apr 02, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122612214181,21sleep10-21swapper/119:07:111
121962199160,25sleep30-21swapper/319:06:213
124042198161,24sleep00-21swapper/019:09:030
122842198159,26sleep20-21swapper/219:07:292
169702890,0sleep30-21swapper/321:23:263
17942660,0sleep20-21swapper/200:33:332
153602600,1sleep11257699cyclictest00:09:251
12568991514,1cyclictest9-21ksoftirqd/020:20:180
12568991312,1cyclictest9-21ksoftirqd/020:10:180
122812130,0sleep10-21swapper/123:22:111
12576991212,0cyclictest0-21swapper/120:25:111
1257699120,12cyclictest0-21swapper/119:15:101
12568991211,1cyclictest9-21ksoftirqd/023:10:000
12568991210,1cyclictest9-21ksoftirqd/023:24:590
12568991210,1cyclictest9-21ksoftirqd/023:05:000
12568991210,1cyclictest9-21ksoftirqd/022:20:130
12568991210,1cyclictest9-21ksoftirqd/020:55:000
197692110,0sleep20-21swapper/221:25:252
1258199119,1cyclictest16275-21ntp_states22:45:172
12581991110,1cyclictest28-21ksoftirqd/200:05:002
1258199110,10cyclictest0-21swapper/200:09:402
1256899119,1cyclictest9-21ksoftirqd/022:40:190
12568991110,1cyclictest9-21ksoftirqd/022:35:140
12568991110,1cyclictest9-21ksoftirqd/021:10:120
1258199109,1cyclictest28-21ksoftirqd/219:25:002
1258199100,9cyclictest0-21swapper/222:07:412
1258199100,4cyclictest11257-21apt-get22:40:112
1256899109,1cyclictest9-21ksoftirqd/020:35:160
1256899109,1cyclictest9-21ksoftirqd/000:15:150
1256899108,1cyclictest9-21ksoftirqd/021:50:130
1256899108,1cyclictest9-21ksoftirqd/000:24:590
1256899102,4cyclictest11778-21perf00:05:010
30712290,0sleep30-21swapper/322:21:543
125859999,0cyclictest35-21ksoftirqd/322:11:243
125819998,1cyclictest561-21nscd00:29:082
125819998,0cyclictest28-21ksoftirqd/223:50:002
125819997,1cyclictest28-21ksoftirqd/220:10:002
125769990,3cyclictest0-21swapper/123:30:121
125689999,0cyclictest9-21ksoftirqd/021:36:410
125689999,0cyclictest9-21ksoftirqd/000:10:110
125689999,0cyclictest5416-21diskmemload23:39:450
125689998,1cyclictest9-21ksoftirqd/023:15:180
125689998,1cyclictest9-21ksoftirqd/019:40:180
125689998,1cyclictest9-21ksoftirqd/019:35:080
125689997,1cyclictest9-21ksoftirqd/023:45:100
125689997,1cyclictest9-21ksoftirqd/023:30:150
125689997,1cyclictest9-21ksoftirqd/023:00:010
125689997,1cyclictest9-21ksoftirqd/022:15:210
125689997,1cyclictest9-21ksoftirqd/022:10:000
125689997,1cyclictest9-21ksoftirqd/021:30:170
125689997,1cyclictest9-21ksoftirqd/019:50:130
125689997,1cyclictest9-21ksoftirqd/000:30:130
5985280,0sleep00-21swapper/000:39:330
32652280,1sleep20-21swapper/223:06:312
125859986,1cyclictest35-21ksoftirqd/320:55:013
125859981,5cyclictest240-21systemd-journal23:45:003
125859980,4cyclictest0-21swapper/322:44:003
125819986,1cyclictest7419-21apt-get22:35:112
125819986,1cyclictest61650irq/122-eno123:55:002
125819986,1cyclictest61650irq/122-eno122:50:122
125819986,1cyclictest61650irq/122-eno120:45:162
125819986,1cyclictest61650irq/122-eno100:15:182
125819986,1cyclictest61650irq/122-eno100:11:422
125819986,1cyclictest28-21ksoftirqd/223:30:002
125819986,1cyclictest28-21ksoftirqd/219:45:002
125819985,2cyclictest1747-21ntpd21:12:162
125819980,8cyclictest0-21swapper/220:29:552
125769980,4cyclictest0-21swapper/121:52:561
125689988,0cyclictest9-21ksoftirqd/022:00:120
125689987,1cyclictest9-21ksoftirqd/023:55:160
125689987,1cyclictest9-21ksoftirqd/023:10:140
125689987,1cyclictest9-21ksoftirqd/022:15:000
125689987,1cyclictest9-21ksoftirqd/021:55:130
125689987,1cyclictest9-21ksoftirqd/021:45:110
125689987,1cyclictest9-21ksoftirqd/021:20:160
125689987,1cyclictest9-21ksoftirqd/021:00:170
125689987,1cyclictest9-21ksoftirqd/020:15:140
125689987,1cyclictest9-21ksoftirqd/019:15:010
125689987,1cyclictest9-21ksoftirqd/000:10:000
125689986,1cyclictest9-21ksoftirqd/023:50:110
125689986,1cyclictest9-21ksoftirqd/023:40:160
125689986,1cyclictest9-21ksoftirqd/022:30:170
125689986,1cyclictest9-21ksoftirqd/020:00:000
125689983,5cyclictest503-21date21:00:000
125689983,2cyclictest240-21systemd-journal19:15:000
5917270,1sleep30-21swapper/322:31:483
23965270,0sleep30-21swapper/323:37:113
16205270,1sleep20-21swapper/222:04:032
125859977,0cyclictest35-21ksoftirqd/300:05:003
125859976,1cyclictest6519-21ntpq21:50:173
125859976,1cyclictest4155-21cat21:05:153
125859976,1cyclictest35-21ksoftirqd/320:35:003
125859975,1cyclictest9654-21ssh21:15:103
125859975,1cyclictest6771-21ssh23:56:573
125859975,1cyclictest16800-21ssh23:29:013
125859971,5cyclictest35-21ksoftirqd/323:22:263
125859971,2cyclictest0-21swapper/321:47:563
125859970,4cyclictest0-21swapper/323:13:503
125859970,4cyclictest0-21swapper/321:35:153
125819976,1cyclictest61650irq/122-eno123:10:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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