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2026-04-05 - 12:38
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sun Apr 05, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150152211172,25sleep30-21swapper/319:07:233
150712204158,32sleep20-21swapper/219:08:072
149872202150,21sleep00-21swapper/019:07:010
150332200161,26sleep10-21swapper/119:07:371
57332170,0sleep30-21swapper/321:45:343
40502160,1sleep31532899cyclictest22:25:203
273582160,0sleep20-21swapper/220:40:142
15322991513,1cyclictest28-21ksoftirqd/222:20:002
15322991311,1cyclictest28-21ksoftirqd/221:40:002
15328991210,1cyclictest35-21ksoftirqd/319:40:003
15322991212,0cyclictest0-21swapper/219:45:152
15322991210,1cyclictest28-21ksoftirqd/222:25:002
15322991210,1cyclictest28-21ksoftirqd/220:30:002
15306991211,1cyclictest9-21ksoftirqd/023:50:000
1530699120,6cyclictest0-21swapper/023:10:100
1532299119,1cyclictest28-21ksoftirqd/223:15:202
1532299119,1cyclictest28-21ksoftirqd/221:55:132
1532299119,1cyclictest28-21ksoftirqd/200:35:122
15322991110,1cyclictest28-21ksoftirqd/223:20:112
15322991110,1cyclictest28-21ksoftirqd/221:40:142
15306991110,1cyclictest9-21ksoftirqd/019:55:000
1532899109,1cyclictest35-21ksoftirqd/320:09:123
1532899109,1cyclictest35-21ksoftirqd/300:20:003
1532899108,1cyclictest35-21ksoftirqd/320:40:013
1532899100,6cyclictest17657-21munin-node22:03:013
1532299109,1cyclictest28-21ksoftirqd/223:45:002
1532299108,2cyclictest11778-21sh21:14:552
1532299108,1cyclictest28-21ksoftirqd/223:59:592
1532299108,1cyclictest28-21ksoftirqd/223:30:122
1532299108,1cyclictest28-21ksoftirqd/222:00:142
1532299108,1cyclictest28-21ksoftirqd/200:10:152
1532299106,1cyclictest61650irq/122-eno121:24:592
1532299100,0cyclictest0-21swapper/222:48:332
1530699109,1cyclictest9-21ksoftirqd/020:25:000
1530699108,1cyclictest9-21ksoftirqd/022:30:120
1530699108,1cyclictest9-21ksoftirqd/021:00:000
1530699108,1cyclictest9-21ksoftirqd/019:50:000
1530699103,6cyclictest27279-21munin-run23:40:000
1530699100,5cyclictest14434-21perf20:14:590
1530699100,10cyclictest0-21swapper/023:25:190
153289997,1cyclictest35-21ksoftirqd/300:25:003
153229998,1cyclictest28-21ksoftirqd/223:25:182
153229998,1cyclictest28-21ksoftirqd/223:14:592
153229998,1cyclictest28-21ksoftirqd/222:05:112
153229998,1cyclictest28-21ksoftirqd/220:55:132
153229998,1cyclictest28-21ksoftirqd/220:00:142
153229998,1cyclictest28-21ksoftirqd/200:20:162
153229997,1cyclictest28-21ksoftirqd/222:30:132
153229991,7cyclictest17337-21kworker/u8:122:10:202
153229990,9cyclictest0-21swapper/221:16:092
153149990,6cyclictest0-21swapper/121:30:141
153069998,1cyclictest9-21ksoftirqd/000:05:200
153069997,1cyclictest9-21ksoftirqd/022:35:130
153069996,2cyclictest0-21swapper/023:24:370
153069995,1cyclictest9-21ksoftirqd/023:35:000
153069995,1cyclictest0-21swapper/000:30:200
153289987,1cyclictest35-21ksoftirqd/322:41:373
153289981,4cyclictest240-21systemd-journal19:45:173
153229988,0cyclictest28-21ksoftirqd/223:00:162
153229988,0cyclictest28-21ksoftirqd/221:30:222
153229987,1cyclictest28-21ksoftirqd/222:39:272
153229987,1cyclictest28-21ksoftirqd/221:50:152
153229987,1cyclictest28-21ksoftirqd/220:50:132
153229987,1cyclictest28-21ksoftirqd/219:10:182
153229987,1cyclictest28-21ksoftirqd/200:15:162
153229987,1cyclictest28-21ksoftirqd/200:00:142
153229986,1cyclictest61650irq/122-eno123:50:222
153229986,1cyclictest61650irq/122-eno122:55:162
153229986,1cyclictest28-21ksoftirqd/219:25:122
153229986,1cyclictest28-21ksoftirqd/200:05:132
153229985,1cyclictest3308-21ssh23:08:012
153229980,5cyclictest693-21runrttasks22:29:462
153149980,5cyclictest0-21swapper/122:16:261
153149980,3cyclictest0-21swapper/122:40:101
153069987,1cyclictest9-21ksoftirqd/023:20:000
153069987,1cyclictest9-21ksoftirqd/021:25:140
153069987,1cyclictest9-21ksoftirqd/019:15:000
153069986,1cyclictest9-21ksoftirqd/020:00:000
153069983,1cyclictest30885-21/usr/sbin/munin22:20:150
153069983,1cyclictest24075-21/usr/sbin/munin20:35:150
153069981,1cyclictest1586-21sh21:40:190
153069981,1cyclictest13124-21unixbench-2d21:55:200
153069980,7cyclictest9498-21ssh21:50:290
153069980,7cyclictest8217-21grep23:55:200
153069980,7cyclictest29270-21ssh00:24:480
153069980,7cyclictest19659-21ssh22:46:020
153069980,7cyclictest12667-21ssh00:01:210
153069980,6cyclictest240-21systemd-journal21:47:500
153069980,1cyclictest32360-21ssh23:04:150
153289976,1cyclictest35-21ksoftirqd/323:30:013
153289976,1cyclictest35-21ksoftirqd/321:06:283
153289975,1cyclictest5201-21ssh23:51:563
153289975,1cyclictest35-21ksoftirqd/322:59:593
153289975,1cyclictest31208-21ssh23:01:083
153289975,1cyclictest21491-21ssh00:14:303
153289975,1cyclictest20262-21cat20:25:173
153289975,1cyclictest18409-21ssh21:21:183
153289972,2cyclictest31720-21ntp_states19:40:183
153289971,5cyclictest693-21runrttasks22:06:483
153289971,4cyclictest23278-21apt-get19:25:103
153289970,6cyclictest1658-21ssh23:47:453
153289970,3cyclictest0-21swapper/322:32:543
153289970,3cyclictest0-21swapper/321:40:253
153289970,2cyclictest240-21systemd-journal19:55:013
153289970,2cyclictest0-21swapper/300:25:433
153289970,2cyclictest0-21swapper/300:25:423
153289970,1cyclictest839-21cron20:55:013
153289970,1cyclictest693-21runrttasks00:07:483
153289970,0cyclictest0-21swapper/323:13:363
153229976,1cyclictest61650irq/122-eno100:28:052
153229976,1cyclictest61650irq/122-eno100:28:042
153229976,1cyclictest28-21ksoftirqd/223:45:132
153229976,1cyclictest28-21ksoftirqd/222:40:112
153229976,1cyclictest28-21ksoftirqd/219:30:142
153229976,0cyclictest61650irq/122-eno123:35:052
153229975,1cyclictest61650irq/122-eno121:45:142
153229975,1cyclictest28-21ksoftirqd/222:50:142
153229975,1cyclictest28-21ksoftirqd/220:20:132
153229975,1cyclictest28-21ksoftirqd/219:50:122
153229975,1cyclictest28-21ksoftirqd/219:40:152
153229975,1cyclictest28-21ksoftirqd/219:15:142
153229975,1cyclictest28-21ksoftirqd/200:30:122
153229972,3cyclictest9930-21apt-get20:05:132
153149977,0cyclictest21-21ksoftirqd/123:31:191
153149973,0cyclictest0-21swapper/119:45:191
153149970,4cyclictest0-21swapper/122:22:591
153149970,4cyclictest0-21swapper/121:35:181
153069976,1cyclictest9-21ksoftirqd/023:50:150
153069976,1cyclictest9-21ksoftirqd/022:05:130
153069976,1cyclictest9-21ksoftirqd/021:15:140
153069976,1cyclictest9-21ksoftirqd/020:40:110
153069976,1cyclictest9-21ksoftirqd/019:10:120
153069975,1cyclictest25442-21latency_hist19:30:000
153069974,1cyclictest240-21systemd-journal19:25:000
153069970,7cyclictest30692-21ssh23:43:550
153069970,7cyclictest0-21swapper/019:40:120
153069970,6cyclictest29864-21ssh00:25:130
153069970,6cyclictest29864-21ssh00:25:120
153069970,6cyclictest25956-21ssh22:12:530
153069970,6cyclictest14722-21irqstats22:40:150
153069970,6cyclictest0-21swapper/022:15:110
153069970,6cyclictest0-21swapper/021:35:160
153069970,6cyclictest0-21swapper/000:16:350
153069970,1cyclictest7997-21ssh00:38:200
153069970,1cyclictest2748-21ssh23:06:310
153069970,1cyclictest27159-21ssh22:55:360
153069970,1cyclictest24266-21ssh21:30:050
153069970,1cyclictest23411-21ssh22:50:480
153069970,1cyclictest20112-21ssh00:10:470
153069970,1cyclictest17988-21ssh21:20:230
153069970,1cyclictest10288-21ssh21:11:210
153069970,1cyclictest0-21swapper/022:00:160
5742260,0sleep10-21swapper/121:05:001
3467260,1sleep228-21ksoftirqd/221:00:132
23775260,0sleep10-21swapper/119:25:111
153289965,1cyclictest8563-21ssh21:50:153
153289965,1cyclictest35-21ksoftirqd/320:12:573
153289965,1cyclictest35-21ksoftirqd/300:35:003
153289965,1cyclictest3089-21ssh00:31:023
153289965,1cyclictest30760-21ssh21:36:583
153289965,1cyclictest29055-21ssh22:15:573
153289965,1cyclictest27514-21ssh23:40:013
153289965,1cyclictest26230-21ssh21:30:403
153289965,1cyclictest21439-21ssh22:50:113
153289965,1cyclictest17659-21kworker/3:119:15:313
153289965,1cyclictest17630-21apt-get22:45:133
153289965,1cyclictest14786-21ssh21:59:263
153289965,1cyclictest1425-21cat23:05:173
153289965,1cyclictest12323-21ssh22:36:553
153289965,0cyclictest25634-21apt-get19:30:133
153289964,1cyclictest936-21ssh22:22:133
153289964,1cyclictest10469-21ssh23:16:423
153289963,1cyclictest240-21systemd-journal20:35:013
153289962,1cyclictest240-21systemd-journal23:32:523
153289962,1cyclictest1177-21aten2.4-expect20:55:133
153289961,2cyclictest0-21swapper/321:10:113
153289961,1cyclictest10450-21sh00:00:013
153289960,3cyclictest0-21swapper/323:21:523
153289960,3cyclictest0-21swapper/321:15:083
153289960,2cyclictest1747-21ntpd21:25:133
153289960,2cyclictest0-21swapper/323:36:223
153289960,1cyclictest240-21systemd-journal20:44:553
153289960,1cyclictest0-21swapper/323:59:543
153229966,0cyclictest61650irq/122-eno120:46:032
153229966,0cyclictest61650irq/122-eno120:32:102
153229965,1cyclictest61650irq/122-eno120:35:132
153229965,1cyclictest61650irq/122-eno120:15:102
153229965,1cyclictest28-21ksoftirqd/221:25:162
153229965,1cyclictest11740-21kworker/2:019:25:002
153229965,0cyclictest61650irq/122-eno119:35:112
153229964,1cyclictest61650irq/122-eno121:05:172
153229964,1cyclictest6087-21cat19:55:152
153229964,1cyclictest28-21ksoftirqd/220:10:132
153149966,0cyclictest0-21swapper/123:01:281
153149961,4cyclictest0-21swapper/122:30:111
153149960,6cyclictest0-21swapper/121:24:031
153149960,5cyclictest0-21swapper/123:41:501
153149960,4cyclictest0-21swapper/120:00:011
153149960,4cyclictest0-21swapper/100:23:101
153149960,3cyclictest0-21swapper/123:54:431
153149960,3cyclictest0-21swapper/122:39:001
153149960,2cyclictest0-21swapper/121:45:101
153149960,1cyclictest0-21swapper/123:45:131
153149960,1cyclictest0-21swapper/120:55:161
153149960,0cyclictest0-21swapper/123:09:041
153149960,0cyclictest0-21swapper/122:53:141
153069965,1cyclictest9-21ksoftirqd/021:00:140
153069965,1cyclictest9-21ksoftirqd/020:45:330
153069965,1cyclictest9-21ksoftirqd/020:01:560
153069965,1cyclictest9-21ksoftirqd/019:35:000
153069965,1cyclictest531-21sshd20:51:260
153069965,1cyclictest20521-21ntpq20:25:190
153069963,1cyclictest240-21systemd-journal21:10:000
153069960,6cyclictest0-21swapper/020:06:000
153069960,0cyclictest0-21swapper/022:25:110
153069960,0cyclictest0-21swapper/019:35:100
153289955,0cyclictest31783-21kworker/3:020:45:043
153289953,1cyclictest23423-21grep22:10:123
153289952,1cyclictest5319-21aten2.4-expect19:55:133
153289952,1cyclictest22020-21needreboot19:20:153
153289951,2cyclictest17358-21cstates20:20:123
153289950,2cyclictest16923-21latency_hist20:20:003
153289950,1cyclictest16651-21awk19:10:173
153149952,1cyclictest0-21swapper/122:05:151
153149950,5cyclictest0-21swapper/121:25:151
153149950,5cyclictest0-21swapper/121:19:401
153149950,4cyclictest0-21swapper/122:10:111
153149950,3cyclictest0-21swapper/123:35:151
153149950,3cyclictest0-21swapper/122:00:021
153149950,3cyclictest0-21swapper/121:40:131
153149950,2cyclictest0-21swapper/123:57:471
153149950,1cyclictest0-21swapper/120:40:131
153149950,1cyclictest0-21swapper/120:00:191
153149950,1cyclictest0-21swapper/119:30:211
153149950,1cyclictest0-21swapper/100:15:151
153149950,0cyclictest0-21swapper/123:26:291
153149950,0cyclictest0-21swapper/122:29:541
153149950,0cyclictest0-21swapper/121:54:041
153149950,0cyclictest0-21swapper/100:26:171
153149950,0cyclictest0-21swapper/100:26:171
153069950,5cyclictest0-21swapper/020:30:130
153069950,0cyclictest0-21swapper/020:15:060
153289943,1cyclictest3468-21apt-get21:00:123
153289940,1cyclictest240-21systemd-journal20:00:003
153149944,0cyclictest0-21swapper/119:39:481
153149944,0cyclictest0-21swapper/100:31:491
153149943,1cyclictest10029-21chrt21:10:361
153149942,2cyclictest0-21swapper/122:59:241
153149941,2cyclictest14174-21chrt20:12:181
153149940,4cyclictest0-21swapper/119:20:101
153149940,4cyclictest0-21swapper/119:15:001
153149940,3cyclictest0-21swapper/123:10:201
153149940,2cyclictest0-21swapper/122:45:201
153149940,2cyclictest0-21swapper/121:05:171
153149940,2cyclictest0-21swapper/120:05:221
153149940,2cyclictest0-21swapper/119:10:111
153149940,1cyclictest0-21swapper/123:21:381
153149940,1cyclictest0-21swapper/123:16:271
153149940,1cyclictest0-21swapper/121:55:101
153149940,1cyclictest0-21swapper/120:25:001
153149940,1cyclictest0-21swapper/119:40:151
153149940,1cyclictest0-21swapper/100:05:101
153149940,1cyclictest0-21swapper/100:00:101
153149940,0cyclictest0-21swapper/120:25:191
153149940,0cyclictest0-21swapper/119:50:191
153149940,0cyclictest0-21swapper/100:35:011
153149940,0cyclictest0-21swapper/100:10:111
153149932,1cyclictest31669-21chrt20:50:131
153149932,1cyclictest24067-21chrt20:35:051
153149930,1cyclictest0-21swapper/120:50:001
153149930,1cyclictest0-21swapper/120:30:011
153149930,1cyclictest0-21swapper/120:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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