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2026-04-28 - 04:52
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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 Tue Apr 28, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309792211173,24sleep00-21swapper/019:09:420
309002208154,22sleep30-21swapper/319:08:393
309882207149,46sleep20-21swapper/219:09:482
308582199160,26sleep10-21swapper/119:08:061
3109599139,4cyclictest0-21swapper/119:34:541
31088991312,1cyclictest9-21ksoftirqd/000:10:000
3109599129,0cyclictest0-21swapper/122:34:021
130782120,0sleep00-21swapper/022:20:120
31107991111,0cyclictest0-21swapper/320:29:163
3109599117,4cyclictest56-21kworker/1:122:56:261
3109599117,4cyclictest0-21swapper/122:00:261
3108899119,1cyclictest9-21ksoftirqd/022:15:140
265142110,0sleep1111rcu_preempt00:02:301
3110199109,0cyclictest0-21swapper/221:48:432
3109599106,4cyclictest56-21kworker/1:120:08:301
3109599106,4cyclictest21-21ksoftirqd/123:52:261
3109599105,4cyclictest56-21kworker/1:121:04:301
3108899105,2cyclictest240-21systemd-journal23:44:340
3108899103,3cyclictest6400-21latency_hist00:20:000
221432100,1sleep30-21swapper/321:49:083
311079990,4cyclictest0-21swapper/321:25:103
311019992,6cyclictest61650irq/122-eno121:15:172
311019990,8cyclictest3705-21kworker/u8:121:32:592
310959998,1cyclictest21-21ksoftirqd/123:20:111
310959995,4cyclictest56-21kworker/1:123:07:381
310959995,4cyclictest21-21ksoftirqd/121:15:391
310889998,1cyclictest9-21ksoftirqd/021:45:000
310889997,1cyclictest9-21ksoftirqd/021:35:010
310889997,1cyclictest9-21ksoftirqd/020:45:000
310889991,4cyclictest13541-21perf19:40:010
311079986,1cyclictest23725-21diskmemload00:32:053
311079985,3cyclictest16853-21kworker/u8:200:35:563
311079981,6cyclictest23725-21diskmemload00:15:253
311079980,1cyclictest693-21runrttasks23:53:023
311079980,1cyclictest6643-21apt-get19:25:113
311019987,1cyclictest28-21ksoftirqd/219:45:122
311019986,1cyclictest61650irq/122-eno123:17:452
311019986,1cyclictest61650irq/122-eno123:10:182
311019986,1cyclictest61650irq/122-eno122:45:142
311019986,1cyclictest61650irq/122-eno122:25:152
311019986,1cyclictest61650irq/122-eno121:25:122
311019986,1cyclictest61650irq/122-eno120:05:122
311019986,1cyclictest61650irq/122-eno100:00:172
311019986,1cyclictest61650irq/122-eno100:00:002
311019980,4cyclictest570-21nscd00:30:442
310959984,4cyclictest0-21swapper/123:18:501
310959984,0cyclictest0-21swapper/100:25:591
310959980,7cyclictest0-21swapper/122:05:121
310889987,1cyclictest9-21ksoftirqd/020:30:000
310889987,1cyclictest9-21ksoftirqd/019:20:000
310889986,1cyclictest7162-21/usr/sbin/munin22:10:200
310889986,1cyclictest2561-21cron00:15:000
310889986,1cyclictest17754-21cat20:55:150
310889981,6cyclictest0-21swapper/023:50:150
310889981,2cyclictest23725-21diskmemload23:59:370
310889980,7cyclictest22985-21ssh22:31:430
310889980,7cyclictest1600-21ssh22:45:540
310889980,7cyclictest0-21swapper/021:51:020
310889980,1cyclictest8268-21ssh23:39:090
310889980,1cyclictest19862-21ssh22:29:030
310889980,1cyclictest19047-21ssh21:45:130
16296280,0sleep10-21swapper/100:31:151
311079976,1cyclictest35-21ksoftirqd/322:45:003
311079976,1cyclictest35-21ksoftirqd/320:36:543
311079976,1cyclictest25171-21ntpq21:10:183
311079975,2cyclictest0-21swapper/322:48:393
311079975,1cyclictest5844-21ssh22:52:133
311079971,1cyclictest31707-21/usr/sbin/munin00:10:143
311079971,1cyclictest22431-21/usr/sbin/munin23:15:163
311079970,6cyclictest26880-21ssh22:37:023
311079970,6cyclictest23424-21ssh22:32:543
311079970,4cyclictest0-21swapper/300:08:553
311079970,3cyclictest0-21swapper/323:06:203
311079970,2cyclictest0-21swapper/323:00:123
311079970,2cyclictest0-21swapper/321:44:193
311019977,0cyclictest0-21swapper/200:13:212
311019976,1cyclictest61650irq/122-eno123:42:422
311019976,1cyclictest61650irq/122-eno123:01:172
311019976,1cyclictest61650irq/122-eno122:55:122
311019976,1cyclictest61650irq/122-eno122:10:132
311019976,1cyclictest61650irq/122-eno121:55:132
311019976,1cyclictest61650irq/122-eno120:40:002
311019976,1cyclictest61650irq/122-eno100:37:462
311019976,1cyclictest61650irq/122-eno100:25:122
311019976,1cyclictest61650irq/122-eno100:19:302
311019976,0cyclictest61650irq/122-eno119:15:142
311019975,1cyclictest61650irq/122-eno122:20:122
311019975,1cyclictest3512-21ssh22:05:362
311019975,1cyclictest28-21ksoftirqd/219:45:002
311019975,1cyclictest0-21swapper/200:20:142
311019973,1cyclictest240-21systemd-journal22:00:452
311019970,7cyclictest0-21swapper/222:43:392
311019970,4cyclictest4292-21apt-get19:20:112
311019970,3cyclictest0-21swapper/223:45:202
310959977,0cyclictest21-21ksoftirqd/121:33:461
310959974,0cyclictest0-21swapper/122:22:501
310959971,1cyclictest111rcu_preempt22:48:561
310959970,7cyclictest0-21swapper/119:55:131
310959970,5cyclictest0-21swapper/119:10:111
310959970,0cyclictest0-21swapper/123:10:151
310959970,0cyclictest0-21swapper/121:24:551
310889977,0cyclictest9-21ksoftirqd/023:25:130
310889976,1cyclictest9-21ksoftirqd/023:45:150
310889976,1cyclictest25896-21ssh00:00:470
310889975,1cyclictest14196-21apt-get00:30:110
310889974,0cyclictest23725-21diskmemload00:27:590
310889973,3cyclictest12067-21grep21:35:140
310889973,2cyclictest240-21systemd-journal19:50:000
310889972,4cyclictest26509-21apt-get21:55:130
310889972,4cyclictest0-21swapper/020:35:120
310889971,5cyclictest2554-21ssh22:05:150
310889971,1cyclictest13168-21ssh23:01:340
310889970,7cyclictest27340-21ssh22:38:190
310889970,6cyclictest3396-21ssh22:50:130
310889970,6cyclictest31924-21head21:20:110
310889970,6cyclictest29042-21ssh22:40:150
310889970,6cyclictest23725-21diskmemload21:15:140
310889970,6cyclictest0-21swapper/022:00:140
310889970,6cyclictest0-21swapper/021:25:000
310889970,6cyclictest0-21swapper/020:20:160
310889970,6cyclictest0-21swapper/019:55:120
310889970,6cyclictest0-21swapper/019:25:180
310889970,4cyclictest6643-21/usr/sbin/munin00:20:150
310889970,4cyclictest240-21systemd-journal20:31:120
310889970,4cyclictest23725-21diskmemload21:09:590
310889970,2cyclictest2910-21grep23:30:180
310889970,1cyclictest240-21systemd-journal19:25:000
310889970,1cyclictest23725-21diskmemload23:15:210
310889970,1cyclictest23725-21diskmemload23:06:140
23957270,1sleep00-21swapper/021:10:040
9663260,0sleep20-21swapper/219:30:142
5840260,0sleep10-21swapper/122:10:121
311079965,1cyclictest3281-21ssh23:30:473
311079965,1cyclictest32585-21ssh23:27:363
311079965,1cyclictest31128-21ssh22:00:163
311079965,1cyclictest28555-21ssh23:21:563
311079965,1cyclictest26606-21cat20:05:163
311079965,1cyclictest1948-21ssh21:22:143
311079965,1cyclictest17893-21ntpq22:25:163
311079965,1cyclictest12638-21ntpq21:35:183
311079965,1cyclictest12432-21ssh00:25:583
311079964,1cyclictest25038-21ssh21:51:443
311079964,1cyclictest23956-21apt-get00:00:133
311079964,1cyclictest17170-21cat19:45:163
311079964,0cyclictest23725-21diskmemload22:07:303
311079963,2cyclictest10160-21ntp_states19:30:173
311079963,2cyclictest0-21swapper/319:15:143
311079963,1cyclictest240-21systemd-journal20:02:113
311079963,1cyclictest23725-21diskmemload22:15:433
311079961,1cyclictest20038-21/usr/sbin/munin19:50:193
311079961,1cyclictest0-21swapper/321:56:463
311079960,4cyclictest240-21systemd-journal21:09:553
311079960,4cyclictest0-21swapper/323:55:093
311079960,4cyclictest0-21swapper/320:50:103
311079960,2cyclictest8230-21/usr/sbin/munin21:30:153
311079960,2cyclictest0-21swapper/323:38:093
311079960,1cyclictest23725-21diskmemload23:41:103
311079960,1cyclictest0-21swapper/322:20:113
311079960,1cyclictest0-21swapper/322:14:483
311019966,0cyclictest61650irq/122-eno123:35:092
311019966,0cyclictest61650irq/122-eno123:25:162
311019966,0cyclictest61650irq/122-eno123:05:152
311019966,0cyclictest61650irq/122-eno122:50:382
311019966,0cyclictest61650irq/122-eno122:35:042
311019966,0cyclictest61650irq/122-eno121:10:132
311019966,0cyclictest61650irq/122-eno120:31:132
311019966,0cyclictest61650irq/122-eno120:20:112
311019966,0cyclictest61650irq/122-eno119:58:212
311019966,0cyclictest61650irq/122-eno119:50:102
311019966,0cyclictest61650irq/122-eno119:12:222
311019966,0cyclictest61650irq/122-eno100:05:192
311019966,0cyclictest28-21ksoftirqd/223:50:132
311019965,1cyclictest61650irq/122-eno123:30:182
311019965,1cyclictest61650irq/122-eno122:30:012
311019965,1cyclictest61650irq/122-eno121:35:132
311019965,1cyclictest61650irq/122-eno120:50:112
311019965,1cyclictest61650irq/122-eno119:25:152
311019965,1cyclictest26179-21ssh23:20:062
311019965,1cyclictest23923-21ntpq21:50:182
311019965,1cyclictest15212-21ssh21:40:082
311019964,1cyclictest61650irq/122-eno122:15:142
311019964,1cyclictest61650irq/122-eno121:22:152
311019964,1cyclictest61650irq/122-eno120:00:162
311019964,1cyclictest23007-21sensors21:05:192
311019963,2cyclictest20041-21cut21:00:122
311019960,4cyclictest18554-21/usr/sbin/munin20:55:202
311019960,2cyclictest14303-21munin-run20:50:002
310959966,0cyclictest21-21ksoftirqd/122:51:341
310959964,1cyclictest111rcu_preempt21:45:191
310959962,2cyclictest0-21swapper/121:35:391
310959961,5cyclictest0-21swapper/100:20:001
310959960,6cyclictest0-21swapper/123:40:151
310959960,6cyclictest0-21swapper/122:37:571
310959960,6cyclictest0-21swapper/122:26:331
310959960,6cyclictest0-21swapper/100:35:191
310959960,6cyclictest0-21swapper/100:20:211
310959960,5cyclictest203-21jbd2/sda2-820:28:321
310959960,3cyclictest0-21swapper/121:44:551
310959960,2cyclictest0-21swapper/123:48:251
310959960,2cyclictest0-21swapper/100:09:391
310959960,1cyclictest0-21swapper/123:30:091
310959960,1cyclictest0-21swapper/120:55:101
310889965,1cyclictest20407-21ssh23:10:470
310889965,1cyclictest13328-21ntpq20:45:180
310889964,1cyclictest9-21ksoftirqd/022:55:130
310889964,1cyclictest18781-21grep00:35:150
310889962,1cyclictest240-21systemd-journal20:05:000
310889960,6cyclictest0-21swapper/023:20:260
310889960,6cyclictest0-21swapper/020:15:200
310889960,1cyclictest0-21swapper/020:10:120
310889960,0cyclictest0-21swapper/021:00:090
310889960,0cyclictest0-21swapper/020:50:160
310889960,0cyclictest0-21swapper/020:05:120
310889960,0cyclictest0-21swapper/019:52:160
311079954,1cyclictest35-21ksoftirqd/320:45:003
311079954,1cyclictest14687-21ssh23:46:013
311079953,1cyclictest5079-21sed19:20:143
311079952,2cyclictest11352-21apt-get19:35:113
311079952,1cyclictest240-21systemd-journal20:20:003
311079951,3cyclictest693-21runrttasks00:21:173
311079951,2cyclictest30423-21apt-get20:15:123
311079951,2cyclictest20256-21/usr/sbin/munin21:00:143
311079951,1cyclictest585-21rs:main3
311079951,1cyclictest0-21swapper/321:16:473
311079950,4cyclictest21898-21uname19:55:163
311079950,2cyclictest12174-21apt-get20:45:133
311079950,2cyclictest0-21swapper/323:10:103
311079950,1cyclictest0-21swapper/322:55:183
311019955,0cyclictest61650irq/122-eno120:40:162
311019955,0cyclictest61650irq/122-eno120:10:042
311019955,0cyclictest61650irq/122-eno119:35:012
311019950,2cyclictest0-21swapper/220:15:132
311019950,1cyclictest2737-21/usr/sbin/munin20:25:192
310959955,0cyclictest21-21ksoftirqd/123:28:461
310959955,0cyclictest21-21ksoftirqd/119:28:401
310959955,0cyclictest0-21swapper/121:50:001
310959953,0cyclictest0-21swapper/120:35:011
310959951,3cyclictest0-21swapper/119:25:001
310959950,5cyclictest0-21swapper/123:02:011
310959950,5cyclictest0-21swapper/120:35:301
310959950,5cyclictest0-21swapper/120:14:001
310959950,5cyclictest0-21swapper/120:02:181
310959950,4cyclictest0-21swapper/120:15:171
310959950,4cyclictest0-21swapper/119:45:211
310959950,2cyclictest0-21swapper/121:29:441
310959950,2cyclictest0-21swapper/121:11:161
310959950,1cyclictest0-21swapper/122:15:121
310959950,1cyclictest0-21swapper/121:55:191
310959950,0cyclictest0-21swapper/120:42:131
310889953,1cyclictest9-21ksoftirqd/019:35:000
310889950,4cyclictest31290-21/usr/sbin/munin19:10:110
310889950,0cyclictest0-21swapper/019:40:120
311079942,1cyclictest29312-21pmu-power20:10:193
311079942,1cyclictest17554-21grep20:55:143
311079941,2cyclictest31293-21apt-get19:10:113
311079940,1cyclictest240-21systemd-journal19:44:113
310959944,0cyclictest21-21ksoftirqd/119:35:201
310959944,0cyclictest21-21ksoftirqd/100:10:221
310959941,2cyclictest0-21swapper/123:35:121
310959941,1cyclictest0-21swapper/119:15:141
310959940,1cyclictest0-21swapper/123:55:201
310959940,1cyclictest0-21swapper/122:42:301
310959940,1cyclictest0-21swapper/120:50:151
310959940,1cyclictest0-21swapper/119:40:161
310959940,0cyclictest0-21swapper/119:50:191
310959931,1cyclictest111rcu_preempt20:45:121
310959931,1cyclictest0-21swapper/121:05:111
310959931,1cyclictest0-21swapper/120:20:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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