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2026-04-08 - 20:49
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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 Wed Apr 08, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207432213152,48sleep30-21swapper/307:07:163
208172207170,24sleep00-21swapper/007:08:130
207692200161,26sleep20-21swapper/207:07:352
207062200163,24sleep10-21swapper/107:06:451
23822750,0sleep00-21swapper/009:35:150
2104999134,4cyclictest25911-21perf09:25:000
2104999110,1cyclictest240-21systemd-journal12:10:000
213052100,0sleep20-21swapper/207:10:122
2107899108,1cyclictest35-21ksoftirqd/308:40:003
210789990,5cyclictest5805-21apt-get11:05:103
210699997,1cyclictest28-21ksoftirqd/208:05:002
210699995,4cyclictest61650irq/122-eno109:55:292
210699994,4cyclictest61650irq/122-eno107:50:102
210499996,1cyclictest9-21ksoftirqd/010:40:000
210499990,5cyclictest240-21systemd-journal08:38:230
3362280,1sleep03336-21perf10:20:000
210789987,1cyclictest35-21ksoftirqd/312:35:133
210789986,1cyclictest35-21ksoftirqd/309:40:013
210789986,1cyclictest35-21ksoftirqd/307:29:273
210789986,1cyclictest35-21ksoftirqd/307:15:003
210789980,6cyclictest809-21rm11:40:133
210789980,5cyclictest0-21swapper/311:45:103
210789980,5cyclictest0-21swapper/311:18:213
210699988,0cyclictest28-21ksoftirqd/210:14:272
210699986,1cyclictest1184-21cat11:40:152
210699980,7cyclictest13119-21sh10:30:342
210699980,6cyclictest0-21swapper/209:50:122
210499987,1cyclictest28035-1kworker/u9:009:28:290
210499987,1cyclictest13885-21diskmemload11:27:030
210499980,7cyclictest26340-21ssh12:13:200
210789977,0cyclictest35-21ksoftirqd/308:10:003
210789976,1cyclictest35-21ksoftirqd/309:15:123
210789976,1cyclictest26522-21sensors11:30:193
210789975,1cyclictest899-21ssh09:33:443
210789975,1cyclictest8093-21ssh09:42:213
210789974,1cyclictest240-21systemd-journal09:55:553
210789973,2cyclictest240-21systemd-journal11:55:003
210789971,4cyclictest31090-21apt-get12:20:103
210789971,4cyclictest1747-21ntpd08:59:023
210789970,6cyclictest11473-21ssh09:46:123
210789970,4cyclictest0-21swapper/311:35:113
210789970,4cyclictest0-21swapper/309:51:063
210789970,2cyclictest0-21swapper/311:10:113
210699976,1cyclictest61650irq/122-eno112:30:112
210699976,1cyclictest61650irq/122-eno112:20:112
210699976,1cyclictest61650irq/122-eno109:45:002
210699976,0cyclictest61650irq/122-eno112:25:122
210699975,1cyclictest61650irq/122-eno112:15:172
210699975,1cyclictest61650irq/122-eno112:00:122
210699975,1cyclictest28-21ksoftirqd/208:20:002
210699975,1cyclictest0-21swapper/212:10:142
210699973,2cyclictest240-21systemd-journal07:40:002
210699972,4cyclictest1-21systemd09:20:002
210699971,4cyclictest31767-21ntp_states10:55:162
210699971,3cyclictest0-21swapper/211:02:302
210699970,6cyclictest10341-21df11:10:132
210699970,6cyclictest0-21swapper/210:15:112
210699970,5cyclictest0-21swapper/212:35:202
210699970,5cyclictest0-21swapper/211:15:102
210699970,5cyclictest0-21swapper/207:25:152
210609976,0cyclictest0-21swapper/111:04:001
210609970,3cyclictest0-21swapper/109:54:361
210499975,1cyclictest9-21ksoftirqd/009:05:000
210499975,1cyclictest21033-21ssh10:00:120
210499974,1cyclictest240-21systemd-journal08:45:010
210499973,1cyclictest9193-21idleruntime-cro09:00:000
210499972,3cyclictest13979-1kworker/u9:112:00:150
210499971,0cyclictest13885-21diskmemload11:54:420
210499970,6cyclictest7537-21cut10:25:120
210499970,6cyclictest6731-21ssh11:05:140
210499970,6cyclictest4456-21ssh12:25:510
210499970,6cyclictest25386-21ssh10:47:430
210499970,6cyclictest13885-21diskmemload09:16:520
210499970,6cyclictest11203-21ssh10:30:040
210499970,6cyclictest11061-21irqstats12:35:150
210499970,6cyclictest0-21swapper/011:35:130
210499970,6cyclictest0-21swapper/009:40:100
210499970,6cyclictest0-21swapper/007:30:110
210499970,3cyclictest0-21swapper/007:50:100
210499970,1cyclictest9362-21ssh09:45:110
210499970,1cyclictest865-21ssh10:57:510
210499970,1cyclictest8520-21ssh12:31:290
210499970,1cyclictest712-21ssh12:21:030
210499970,1cyclictest6931-21ssh10:24:260
210499970,1cyclictest6424-21ssh11:46:450
210499970,1cyclictest4470-21ssh11:02:120
210499970,1cyclictest3597-21ssh11:44:230
210499970,1cyclictest32123-21ssh09:30:320
210499970,1cyclictest28596-21ssh10:10:120
210499970,1cyclictest19287-21ssh11:20:250
210499970,1cyclictest17372-21ssh09:14:030
210499970,1cyclictest15695-21ssh09:52:190
210499970,1cyclictest14348-21tune2fs11:15:130
210499970,1cyclictest14026-21ssh11:56:050
210499970,1cyclictest0-21swapper/012:15:170
210499970,1cyclictest0-21swapper/010:40:200
210499970,1cyclictest0-21swapper/007:10:150
23415260,1sleep10-21swapper/112:10:081
210789965,1cyclictest5530-21ssh10:20:383
210789965,1cyclictest5048-21ntpq07:40:173
210789965,1cyclictest3806-21ssh11:00:223
210789965,1cyclictest31839-21ssh10:14:463
210789965,1cyclictest25925-21ssh12:12:133
210789965,1cyclictest25367-21ssh10:47:393
210789965,1cyclictest24329-21ssh09:21:203
210789965,1cyclictest23133-21ssh11:25:313
210789965,1cyclictest22910-21ssh10:01:133
210789965,1cyclictest21953-21ssh12:06:463
210789965,1cyclictest20955-21ssh10:41:043
210789965,1cyclictest19997-21ssh11:22:213
210789965,1cyclictest16821-21ssh09:12:393
210789965,1cyclictest15048-21apt-get10:35:113
210789965,1cyclictest1144-21ssh10:58:353
210789964,1cyclictest35-21ksoftirqd/307:35:013
210789964,0cyclictest13885-21diskmemload12:30:573
210789963,2cyclictest13885-21diskmemload12:28:023
210789963,1cyclictest240-21systemd-journal08:49:533
210789962,3cyclictest32217-21apt-get10:15:103
210789962,2cyclictest12460-21/usr/sbin/munin11:55:123
210789960,6cyclictest9676-21ssh10:26:353
210789960,3cyclictest0-21swapper/312:02:343
210789960,2cyclictest341rcuc/310:50:003
210789960,2cyclictest29768-21latency_hist08:35:013
210789960,1cyclictest29796-21sh12:17:203
210789960,1cyclictest240-21systemd-journal07:40:003
210789960,1cyclictest11761-21diskstats10:30:133
210699966,0cyclictest61650irq/122-eno112:05:142
210699966,0cyclictest61650irq/122-eno111:55:522
210699966,0cyclictest61650irq/122-eno111:48:092
210699966,0cyclictest61650irq/122-eno111:35:202
210699966,0cyclictest61650irq/122-eno111:30:132
210699966,0cyclictest61650irq/122-eno111:25:362
210699966,0cyclictest61650irq/122-eno111:20:362
210699966,0cyclictest61650irq/122-eno111:05:102
210699966,0cyclictest61650irq/122-eno110:51:242
210699966,0cyclictest61650irq/122-eno110:40:082
210699966,0cyclictest61650irq/122-eno110:35:082
210699966,0cyclictest61650irq/122-eno110:25:032
210699966,0cyclictest61650irq/122-eno110:20:282
210699966,0cyclictest61650irq/122-eno110:05:422
210699966,0cyclictest61650irq/122-eno109:45:042
210699966,0cyclictest61650irq/122-eno109:35:212
210699966,0cyclictest61650irq/122-eno109:30:132
210699966,0cyclictest61650irq/122-eno109:25:112
210699966,0cyclictest61650irq/122-eno109:20:552
210699966,0cyclictest61650irq/122-eno109:10:592
210699966,0cyclictest61650irq/122-eno108:55:152
210699966,0cyclictest61650irq/122-eno108:45:012
210699966,0cyclictest61650irq/122-eno108:11:172
210699966,0cyclictest61650irq/122-eno108:05:142
210699966,0cyclictest61650irq/122-eno108:00:002
210699965,1cyclictest61650irq/122-eno110:45:162
210699965,1cyclictest61650irq/122-eno108:50:122
210699965,1cyclictest61650irq/122-eno107:40:132
210699964,1cyclictest61650irq/122-eno109:05:122
210699964,1cyclictest61650irq/122-eno108:35:172
210699964,1cyclictest61650irq/122-eno107:45:152
210699964,1cyclictest61650irq/122-eno107:30:182
210699960,2cyclictest0-21swapper/211:50:102
210699960,2cyclictest0-21swapper/210:00:102
210699960,1cyclictest0-21swapper/208:45:112
210609965,1cyclictest0-21swapper/108:00:151
210609961,4cyclictest0-21swapper/110:20:201
210609960,6cyclictest0-21swapper/109:56:081
210609960,6cyclictest0-21swapper/109:27:581
210609960,5cyclictest0-21swapper/112:35:151
210609960,5cyclictest0-21swapper/107:35:131
210609960,4cyclictest0-21swapper/111:33:321
210609960,4cyclictest0-21swapper/111:18:221
210609960,4cyclictest0-21swapper/110:45:101
210609960,3cyclictest0-21swapper/111:55:551
210609960,2cyclictest0-21swapper/110:40:451
210609960,2cyclictest0-21swapper/108:35:111
210609960,1cyclictest0-21swapper/112:25:151
210609960,1cyclictest0-21swapper/107:20:141
210499965,1cyclictest9-21ksoftirqd/008:27:140
210499965,1cyclictest26013-21irqstats11:30:150
210499963,2cyclictest16680-21cat08:05:150
210499961,1cyclictest17217-21ssh09:55:120
210499960,6cyclictest0-21swapper/008:50:020
210499960,6cyclictest0-21swapper/008:45:150
210499960,5cyclictest27636-21ssh10:50:140
210499960,2cyclictest0-21swapper/007:45:100
210499960,1cyclictest5611-21users07:40:200
210499960,1cyclictest25432-21ntpq07:15:170
210499960,0cyclictest13885-21diskmemload11:10:120
210499960,0cyclictest0-21swapper/010:05:200
210499960,0cyclictest0-21swapper/009:08:240
210499960,0cyclictest0-21swapper/008:18:090
210499960,0cyclictest0-21swapper/007:57:290
210499960,0cyclictest0-21swapper/007:25:120
210789955,0cyclictest23990-21sensors07:15:013
210789954,1cyclictest24588-21ssh10:05:073
210789954,1cyclictest10812-21sensors09:00:193
210789953,1cyclictest927-21ntpq08:40:173
210789953,1cyclictest20376-21apt-get08:15:123
210789952,2cyclictest28777-21cron07:25:003
210789952,1cyclictest240-21systemd-journal08:02:083
210789951,2cyclictest240-21systemd-journal09:26:543
210789951,1cyclictest240-21systemd-journal09:05:243
210789950,5cyclictest19399-21systemctl08:10:183
210789950,5cyclictest0-21swapper/308:25:223
210789950,4cyclictest9565-21sort07:50:153
210789950,4cyclictest6235-21apt-get07:45:103
210789950,3cyclictest240-21systemd-journal08:25:003
210789950,1cyclictest0-21swapper/308:50:103
210699955,0cyclictest61650irq/122-eno108:30:112
210699955,0cyclictest61650irq/122-eno108:25:132
210699955,0cyclictest61650irq/122-eno107:20:112
210699955,0cyclictest61650irq/122-eno107:15:182
210699950,3cyclictest0-21swapper/209:00:112
210609955,0cyclictest0-21swapper/112:19:541
210609955,0cyclictest0-21swapper/111:25:231
210609955,0cyclictest0-21swapper/109:19:441
210609955,0cyclictest0-21swapper/109:00:251
210609955,0cyclictest0-21swapper/107:30:351
210609953,1cyclictest29802-21chrt11:35:151
210609951,3cyclictest0-21swapper/112:20:101
210609951,3cyclictest0-21swapper/109:36:091
210609951,3cyclictest0-21swapper/109:20:441
210609951,1cyclictest0-21swapper/112:00:181
210609951,1cyclictest0-21swapper/111:45:171
210609951,1cyclictest0-21swapper/108:20:161
210609950,5cyclictest0-21swapper/112:30:181
210609950,5cyclictest0-21swapper/111:52:581
210609950,5cyclictest0-21swapper/111:21:081
210609950,5cyclictest0-21swapper/111:08:381
210609950,5cyclictest0-21swapper/110:12:461
210609950,5cyclictest0-21swapper/109:05:341
210609950,5cyclictest0-21swapper/108:25:161
210609950,5cyclictest0-21swapper/107:46:341
210609950,5cyclictest0-21swapper/107:14:361
210609950,4cyclictest0-21swapper/111:10:171
210609950,3cyclictest0-21swapper/110:55:061
210609950,3cyclictest0-21swapper/110:50:101
210609950,3cyclictest0-21swapper/110:02:381
210609950,3cyclictest0-21swapper/108:00:001
210609950,2cyclictest0-21swapper/109:10:111
210609950,2cyclictest0-21swapper/108:10:201
210609950,1cyclictest0-21swapper/110:30:141
210609950,1cyclictest0-21swapper/109:45:111
210499950,4cyclictest22756-21/usr/sbin/munin08:20:170
210499950,4cyclictest18021-21/usr/sbin/munin08:10:140
210499950,2cyclictest240-21systemd-journal07:25:000
210499950,2cyclictest0-21swapper/008:30:110
210499950,2cyclictest0-21swapper/008:00:110
210499950,0cyclictest0-21swapper/007:35:090
210789942,1cyclictest11784-21basename07:55:143
210699944,0cyclictest61650irq/122-eno108:20:032
210609943,1cyclictest0-21swapper/112:05:151
210609943,1cyclictest0-21swapper/107:40:111
210609942,2cyclictest0-21swapper/108:55:101
210609941,2cyclictest0-21swapper/110:15:101
210609941,2cyclictest0-21swapper/110:05:101
210609941,1cyclictest0-21swapper/111:40:101
210609940,4cyclictest0-21swapper/108:54:221
210609940,4cyclictest0-21swapper/108:31:581
210609940,2cyclictest0-21swapper/109:30:561
210609940,2cyclictest0-21swapper/108:45:201
210609940,1cyclictest0-21swapper/110:37:451
210609940,1cyclictest0-21swapper/110:25:201
210609940,1cyclictest0-21swapper/107:15:001
210609940,0cyclictest0-21swapper/109:40:181
210609940,0cyclictest0-21swapper/108:05:181
210609940,0cyclictest0-21swapper/107:50:181
210609940,0cyclictest0-21swapper/107:25:191
210609931,1cyclictest0-21swapper/108:40:131
210609931,1cyclictest0-21swapper/108:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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