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2026-04-12 - 05:45
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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 highest latencies:
System rack1slot1.osadl.org (updated Sun Apr 12, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235212207156,25sleep00-21swapper/019:09:580
233062202161,27sleep30-21swapper/319:07:113
234122201164,24sleep20-21swapper/219:08:352
232552200162,25sleep10-21swapper/119:06:321
274872210,0sleep00-21swapper/023:29:520
2359499132,5cyclictest18253-21perf20:05:010
16442130,0sleep10-21swapper/119:30:001
23596991210,1cyclictest28-21ksoftirqd/219:14:592
2359499122,5cyclictest8612-21perf19:45:010
23596991110,1cyclictest30917-21ntp_states22:50:182
23596991110,1cyclictest28-21ksoftirqd/222:05:122
2359699110,11cyclictest0-21swapper/222:33:202
2359699110,0cyclictest0-21swapper/223:51:082
23594991110,1cyclictest9-21ksoftirqd/022:09:590
23594991110,1cyclictest9-21ksoftirqd/021:55:120
2359499111,5cyclictest16461-21diskmemload23:50:000
2359799100,3cyclictest0-21swapper/322:55:113
2359699109,1cyclictest28-21ksoftirqd/223:40:142
2359699109,1cyclictest28-21ksoftirqd/222:20:142
2359699109,1cyclictest28-21ksoftirqd/219:55:002
2359699109,1cyclictest28-21ksoftirqd/200:35:132
23596991010,0cyclictest28-21ksoftirqd/223:35:182
23596991010,0cyclictest28-21ksoftirqd/223:15:152
23596991010,0cyclictest28-21ksoftirqd/221:55:032
23596991010,0cyclictest28-21ksoftirqd/221:31:212
2359499109,1cyclictest9-21ksoftirqd/021:20:150
2359499109,1cyclictest9-21ksoftirqd/000:00:120
2359499108,1cyclictest9-21ksoftirqd/019:24:590
2359499108,1cyclictest9-21ksoftirqd/000:20:160
235979997,1cyclictest35-21ksoftirqd/319:35:013
235979997,1cyclictest29434-21apt-get19:20:093
235979991,5cyclictest16461-21diskmemload22:35:163
235979990,2cyclictest0-21swapper/321:00:113
235969999,0cyclictest28-21ksoftirqd/223:55:142
235969999,0cyclictest28-21ksoftirqd/222:35:162
235969998,1cyclictest28-21ksoftirqd/223:10:122
235969998,1cyclictest28-21ksoftirqd/221:40:002
235969998,1cyclictest28-21ksoftirqd/220:15:002
235969998,1cyclictest28-21ksoftirqd/219:25:142
235969998,1cyclictest28-21ksoftirqd/200:25:202
235969997,1cyclictest28-21ksoftirqd/220:00:122
235969992,6cyclictest28-21ksoftirqd/221:15:162
235949998,1cyclictest9-21ksoftirqd/023:00:210
235949998,1cyclictest9-21ksoftirqd/021:55:010
235949998,1cyclictest9-21ksoftirqd/020:35:000
235949997,1cyclictest9-21ksoftirqd/023:40:010
235949997,1cyclictest9-21ksoftirqd/020:55:140
12976290,0sleep00-21swapper/023:51:170
235979987,1cyclictest35-21ksoftirqd/321:00:013
235979981,3cyclictest16461-21diskmemload22:52:263
235969988,0cyclictest28-21ksoftirqd/223:05:152
235969988,0cyclictest28-21ksoftirqd/222:01:182
235969988,0cyclictest28-21ksoftirqd/219:20:132
235969988,0cyclictest28-21ksoftirqd/200:33:472
235969987,1cyclictest28-21ksoftirqd/223:45:212
235969987,1cyclictest28-21ksoftirqd/222:41:262
235969987,1cyclictest28-21ksoftirqd/200:00:182
235969986,1cyclictest61650irq/122-eno123:30:112
235969986,1cyclictest61650irq/122-eno122:15:172
235969986,1cyclictest61650irq/122-eno121:45:152
235969986,1cyclictest61650irq/122-eno100:05:162
235969986,1cyclictest28-21ksoftirqd/222:46:162
235969986,1cyclictest28-21ksoftirqd/221:50:202
235969986,1cyclictest28-21ksoftirqd/220:35:002
235969986,1cyclictest13911-21cron22:30:012
235959980,2cyclictest0-21swapper/121:53:151
235959980,2cyclictest0-21swapper/121:05:121
235949988,0cyclictest9-21ksoftirqd/022:34:100
235949988,0cyclictest4220-21sensors22:15:200
235949987,1cyclictest9-21ksoftirqd/023:20:140
235949987,1cyclictest9-21ksoftirqd/023:15:140
235949987,1cyclictest9-21ksoftirqd/020:50:140
235949987,1cyclictest9-21ksoftirqd/019:50:140
235949987,1cyclictest9-21ksoftirqd/019:45:130
235949987,1cyclictest9-21ksoftirqd/019:10:130
235949987,1cyclictest9-21ksoftirqd/000:25:160
235949987,1cyclictest861-21ssh22:10:420
235949987,1cyclictest29631-21ssh23:30:240
235949987,1cyclictest29521-21ssh00:14:410
235949982,5cyclictest8310-21apt-get21:40:110
235949982,3cyclictest561-21nscd22:40:080
235949980,8cyclictest0-21swapper/021:15:180
235949980,7cyclictest9914-21ssh00:30:190
235949980,4cyclictest32599-21perf21:30:010
4833270,0sleep30-21swapper/300:24:553
235979976,1cyclictest561-21nscd23:55:083
235979976,1cyclictest30643-1kworker/u9:121:26:563
235979976,1cyclictest19418-21cat00:00:173
235979975,1cyclictest35-21ksoftirqd/320:10:003
235979973,1cyclictest16461-21diskmemload00:27:263
235979972,4cyclictest7450-21memory19:40:153
235979972,2cyclictest16461-21diskmemload21:19:173
235979972,1cyclictest16461-21diskmemload23:00:353
235979972,1cyclictest16461-21diskmemload21:44:083
235979972,1cyclictest16461-21diskmemload21:22:103
235979972,1cyclictest10895-21df22:25:113
235979971,3cyclictest16461-21diskmemload22:42:113
235979971,3cyclictest16461-21diskmemload00:11:383
235979971,1cyclictest24015-21apt-get23:25:113
235979971,1cyclictest16461-21diskmemload22:20:203
235979971,1cyclictest16461-21diskmemload21:51:093
235979970,4cyclictest0-21swapper/321:55:103
235979970,3cyclictest0-21swapper/322:10:123
235979970,2cyclictest0-21swapper/323:35:393
235979970,2cyclictest0-21swapper/321:30:123
235969977,0cyclictest28-21ksoftirqd/222:10:142
235969976,1cyclictest61650irq/122-eno123:00:112
235969976,1cyclictest61650irq/122-eno121:25:112
235969976,1cyclictest61650irq/122-eno120:50:112
235969976,1cyclictest28-21ksoftirqd/222:58:192
235969976,1cyclictest28-21ksoftirqd/221:05:122
235969976,1cyclictest28-21ksoftirqd/220:35:152
235969976,1cyclictest28-21ksoftirqd/220:25:182
235969976,1cyclictest28-21ksoftirqd/200:15:142
235969976,0cyclictest61650irq/122-eno121:20:122
235969975,1cyclictest61650irq/122-eno123:25:142
235969975,1cyclictest61650irq/122-eno123:20:172
235969975,1cyclictest61650irq/122-eno100:10:132
235969975,1cyclictest28-21ksoftirqd/221:40:132
235969975,1cyclictest28-21ksoftirqd/219:55:162
235969975,1cyclictest28-21ksoftirqd/219:50:002
235969971,2cyclictest16461-21diskmemload00:20:102
235969970,6cyclictest16689-21ssh21:10:052
235959971,2cyclictest0-21swapper/122:10:211
235959970,6cyclictest0-21swapper/121:44:111
235959970,4cyclictest0-21swapper/123:35:261
235959970,2cyclictest0-21swapper/122:00:111
235959970,1cyclictest0-21swapper/122:56:301
235959970,1cyclictest0-21swapper/121:10:131
235959970,1cyclictest0-21swapper/119:40:001
235949977,0cyclictest9-21ksoftirqd/021:10:000
235949976,1cyclictest9205-1kworker/u9:022:25:120
235949976,1cyclictest9-21ksoftirqd/020:25:110
235949976,1cyclictest9-21ksoftirqd/020:05:110
235949976,1cyclictest6598-21ssh22:20:100
235949976,1cyclictest24377-21ssh00:06:030
235949976,1cyclictest22170-1kworker/u9:122:00:480
235949976,1cyclictest12516-21ssh23:10:060
235949976,1cyclictest12066-21ssh21:45:040
235949976,1cyclictest1123-21telnet22:55:120
235949975,1cyclictest9-21ksoftirqd/020:15:140
235949975,1cyclictest9-21ksoftirqd/019:15:000
235949975,1cyclictest0-21swapper/000:35:150
235949971,6cyclictest20787-21/usr/sbin/munin20:10:180
235949971,5cyclictest29663-21ssh22:50:020
235949970,6cyclictest4363-21ssh21:35:030
235949970,6cyclictest18040-21ssh22:35:120
235949970,6cyclictest17663-21ssh21:10:170
235949970,6cyclictest16461-21diskmemload22:46:540
235949970,6cyclictest11976-21/usr/sbin/munin21:00:180
235949970,6cyclictest0-21swapper/021:30:140
235949970,1cyclictest968-21hddtemp_smartct20:35:160
235949970,1cyclictest4068-21/usr/sbin/munin19:35:140
235949970,1cyclictest16461-21diskmemload23:55:210
235949970,1cyclictest0-21swapper/023:40:110
235949970,1cyclictest0-21swapper/019:30:110
235949970,1cyclictest0-21swapper/000:15:180
235979965,1cyclictest6496-21ssh21:36:053
235979965,1cyclictest5802-21ssh23:42:593
235979965,1cyclictest30130-21ssh22:07:293
235979965,1cyclictest25997-21ssh22:01:353
235979965,1cyclictest22572-21ssh23:21:573
235979965,1cyclictest22255-21ssh00:05:003
235979965,1cyclictest19341-21ssh21:12:383
235979965,1cyclictest14859-21ntpq19:55:183
235979965,1cyclictest14580-21ssh21:47:113
235979965,1cyclictest14154-21ssh22:30:023
235979965,1cyclictest13898-21ssh23:53:473
235979965,1cyclictest11419-21ssh23:07:423
235979965,1cyclictest10780-21ssh00:30:253
235979964,1cyclictest24377-21grep20:15:193
235979964,1cyclictest15161-21ssh00:36:253
235979963,3cyclictest0-21swapper/320:30:143
235979962,3cyclictest1090-21users19:25:223
235979962,0cyclictest16461-21diskmemload23:10:503
235979961,3cyclictest27827-21apt-get23:30:103
235979961,1cyclictest0-21swapper/319:45:123
235979960,4cyclictest0-21swapper/300:17:233
235979960,3cyclictest0-21swapper/323:46:403
235979960,2cyclictest25718-21apt-get22:45:123
235979960,2cyclictest16461-21diskmemload22:15:563
235979960,2cyclictest0-21swapper/323:17:123
235979960,1cyclictest25940-21apt-get19:15:003
235979960,1cyclictest240-21systemd-journal19:40:003
235969966,0cyclictest61650irq/122-eno120:59:192
235969966,0cyclictest61650irq/122-eno120:45:122
235969966,0cyclictest61650irq/122-eno119:34:152
235969966,0cyclictest28-21ksoftirqd/220:42:122
235969965,1cyclictest61650irq/122-eno121:00:202
235969965,1cyclictest61650irq/122-eno120:20:092
235969965,1cyclictest28-21ksoftirqd/219:15:122
235969965,1cyclictest20304-21kworker/2:220:15:152
235969964,1cyclictest61650irq/122-eno120:05:112
235969964,1cyclictest61650irq/122-eno119:40:162
235969961,4cyclictest4071-21apt-get19:35:102
235959961,3cyclictest0-21swapper/122:54:401
235959960,6cyclictest0-21swapper/121:55:161
235959960,6cyclictest0-21swapper/121:37:151
235959960,6cyclictest0-21swapper/100:30:191
235959960,5cyclictest0-21swapper/123:15:161
235959960,5cyclictest0-21swapper/120:45:001
235959960,5cyclictest0-21swapper/119:45:171
235959960,4cyclictest131862sleep122:28:021
235959960,4cyclictest0-21swapper/100:37:381
235959960,3cyclictest0-21swapper/100:06:541
235959960,2cyclictest0-21swapper/122:30:001
235959960,1cyclictest0-21swapper/123:30:141
235959960,1cyclictest0-21swapper/121:20:111
235959960,1cyclictest0-21swapper/119:34:551
235959960,0cyclictest0-21swapper/122:21:091
235959960,0cyclictest0-21swapper/119:40:111
235949965,1cyclictest9-21ksoftirqd/019:25:140
235949965,1cyclictest25556-21telnet20:20:100
235949960,6cyclictest0-21swapper/020:45:140
235949960,5cyclictest8683-21ssh23:05:010
235949960,0cyclictest0-21swapper/020:40:130
235949960,0cyclictest0-21swapper/019:55:130
235979951,2cyclictest26245-21gltestperf20:20:133
235979950,5cyclictest0-21swapper/319:50:113
235979950,1cyclictest30005-21munin-run20:30:003
235979950,1cyclictest240-21systemd-journal20:05:013
235979950,1cyclictest0-21swapper/320:54:153
235959955,0cyclictest0-21swapper/123:41:581
235959951,3cyclictest0-21swapper/123:45:111
235959951,2cyclictest0-21swapper/122:35:111
235959951,1cyclictest0-21swapper/122:40:211
235959950,5cyclictest0-21swapper/123:23:551
235959950,5cyclictest0-21swapper/121:17:221
235959950,5cyclictest0-21swapper/121:03:381
235959950,5cyclictest0-21swapper/120:24:391
235959950,3cyclictest0-21swapper/123:25:141
235959950,3cyclictest0-21swapper/121:46:581
235959950,3cyclictest0-21swapper/120:55:121
235959950,3cyclictest0-21swapper/120:30:191
235959950,3cyclictest0-21swapper/119:15:011
235959950,2cyclictest0-21swapper/123:55:131
235959950,2cyclictest0-21swapper/123:51:151
235959950,2cyclictest0-21swapper/123:14:011
235959950,2cyclictest0-21swapper/123:00:421
235959950,2cyclictest0-21swapper/122:06:481
235959950,2cyclictest0-21swapper/121:34:391
235959950,2cyclictest0-21swapper/121:25:191
235959950,2cyclictest0-21swapper/120:50:181
235959950,1cyclictest0-21swapper/122:45:141
235959950,1cyclictest0-21swapper/119:11:241
235959950,1cyclictest0-21swapper/100:19:581
235959950,1cyclictest0-21swapper/100:12:551
235959950,0cyclictest0-21swapper/120:49:161
235959950,0cyclictest0-21swapper/100:20:481
235959950,0cyclictest0-21swapper/100:00:391
23353250,0sleep10-21swapper/120:15:131
235979944,0cyclictest0-21swapper/320:35:163
235979943,1cyclictest2699-21stty20:40:123
235979942,1cyclictest5651-21gltestperf20:45:173
235979942,1cyclictest26488-21apt-config19:15:013
235979942,1cyclictest14330-21/usr/sbin/munin21:05:133
235979940,1cyclictest0-21swapper/320:10:123
235959943,1cyclictest29080-21chrt20:25:191
235959941,2cyclictest0-21swapper/120:00:101
235959941,1cyclictest0-21swapper/120:35:111
235959941,1cyclictest0-21swapper/120:05:141
235959940,4cyclictest0-21swapper/119:57:041
235959940,4cyclictest0-21swapper/100:25:101
235959940,2cyclictest0-21swapper/123:05:011
235959940,1cyclictest0-21swapper/122:15:581
235959940,1cyclictest0-21swapper/120:10:111
235959940,0cyclictest0-21swapper/119:50:201
235959940,0cyclictest0-21swapper/119:21:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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