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2026-06-03 - 01:26
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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 Wed Jun 03, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256742230158,26sleep20-21swapper/219:09:362
255392201159,24sleep10-21swapper/119:07:501
254712199161,24sleep00-21swapper/019:06:550
254002197157,26sleep30-21swapper/319:06:023
323302650,0sleep10-21swapper/120:40:011
97472640,0sleep10-21swapper/122:30:061
317262200,0sleep10-21swapper/121:30:351
248772200,0sleep10-21swapper/122:50:131
25793991614,1cyclictest9-21ksoftirqd/023:19:590
25793991312,1cyclictest9-21ksoftirqd/023:24:590
25793991212,0cyclictest9-21ksoftirqd/022:35:010
25793991211,1cyclictest9-21ksoftirqd/022:00:140
25793991210,1cyclictest9-21ksoftirqd/020:25:000
2581399118,1cyclictest240-21systemd-journal19:36:072
2581399115,2cyclictest61650irq/122-eno122:00:162
2581399110,9cyclictest1029-21snmpd21:59:462
2581399110,6cyclictest548-21systemd-logind22:32:082
2579399119,1cyclictest9-21ksoftirqd/023:50:180
2579399119,1cyclictest9-21ksoftirqd/023:50:180
2579399119,1cyclictest9-21ksoftirqd/020:54:590
25793991110,1cyclictest9-21ksoftirqd/022:45:120
25793991110,1cyclictest9-21ksoftirqd/022:25:140
25793991110,1cyclictest9-21ksoftirqd/020:45:010
25793991110,1cyclictest9-21ksoftirqd/000:24:590
2579399111,5cyclictest13060-21perf20:00:000
2582199100,6cyclictest9853-21kworker/u8:122:47:473
2581399109,1cyclictest4245-21ssh21:38:292
2579399109,1cyclictest9-21ksoftirqd/022:40:140
2579399109,1cyclictest9-21ksoftirqd/022:05:130
2579399109,1cyclictest9-21ksoftirqd/019:45:190
2579399109,1cyclictest9-21ksoftirqd/000:35:150
2579399109,1cyclictest9-21ksoftirqd/000:05:240
258219998,1cyclictest35-21ksoftirqd/320:40:003
258219990,3cyclictest0-21swapper/322:15:123
258139996,2cyclictest28-21ksoftirqd/222:19:582
258139990,2cyclictest0-21swapper/221:52:002
258089990,6cyclictest0-21swapper/100:20:141
257939999,0cyclictest9-21ksoftirqd/023:45:170
257939998,1cyclictest9-21ksoftirqd/022:50:000
257939998,0cyclictest9-21ksoftirqd/000:15:010
257939992,6cyclictest561-21nscd22:18:430
25504290,1sleep10-21swapper/121:24:521
5759287,0sleep228-21ksoftirqd/223:50:432
5759287,0sleep228-21ksoftirqd/223:50:422
258219985,3cyclictest35-21ksoftirqd/322:40:113
258219981,6cyclictest1029-21snmpd23:24:463
258139986,1cyclictest61650irq/122-eno123:45:132
258139986,1cyclictest61650irq/122-eno122:45:132
258139986,1cyclictest61650irq/122-eno121:20:012
258139986,1cyclictest32342-21perf23:45:012
258139986,1cyclictest30015-21apt-get21:30:262
258139986,1cyclictest1747-21ntpd23:35:582
258139986,1cyclictest1029-21snmpd21:45:262
257939987,1cyclictest9-21ksoftirqd/023:40:210
257939987,1cyclictest9-21ksoftirqd/022:55:140
257939987,1cyclictest9-21ksoftirqd/021:25:140
257939987,1cyclictest9-21ksoftirqd/021:15:160
257939987,1cyclictest9-21ksoftirqd/020:35:130
257939987,1cyclictest9-21ksoftirqd/000:25:180
257939986,1cyclictest9-21ksoftirqd/000:10:200
257939986,1cyclictest1029-21snmpd20:07:310
257939980,7cyclictest21294-21latency_hist23:30:000
257939980,7cyclictest17280-21ssh21:13:440
257939980,1cyclictest0-21swapper/000:30:120
21047280,1sleep321053-21sh00:12:343
258219977,0cyclictest0-21swapper/300:37:073
258219976,1cyclictest1029-21snmpd23:45:273
258219975,1cyclictest3222-21ssh21:35:343
258219975,1cyclictest1029-21snmpd20:16:593
258219975,1cyclictest1029-21snmpd20:11:343
258219975,1cyclictest1029-21snmpd20:09:073
258219975,1cyclictest1029-21snmpd20:03:353
258219975,1cyclictest1029-21snmpd00:06:033
258219971,5cyclictest28148-21munin-node19:26:033
258219971,3cyclictest2423-21apt-get22:20:133
258219971,3cyclictest0-21swapper/323:30:043
258139976,1cyclictest61650irq/122-eno123:25:152
258139976,1cyclictest61650irq/122-eno123:19:302
258139976,1cyclictest61650irq/122-eno123:07:252
258139976,1cyclictest61650irq/122-eno123:00:132
258139976,1cyclictest61650irq/122-eno123:00:132
258139976,1cyclictest61650irq/122-eno122:53:032
258139976,1cyclictest61650irq/122-eno122:29:272
258139976,1cyclictest61650irq/122-eno122:23:142
258139976,1cyclictest61650irq/122-eno122:08:032
258139976,1cyclictest61650irq/122-eno121:28:152
258139976,1cyclictest61650irq/122-eno120:30:142
258139976,1cyclictest61650irq/122-eno120:10:122
258139976,1cyclictest61650irq/122-eno100:30:512
258139976,1cyclictest61650irq/122-eno100:21:572
258139976,1cyclictest28-21ksoftirqd/200:15:002
258139976,0cyclictest61650irq/122-eno121:10:122
258139975,1cyclictest6434-21ssh21:40:192
258139975,1cyclictest1029-21snmpd23:30:432
258139975,1cyclictest1029-21snmpd00:05:442
258139971,6cyclictest0-21swapper/221:04:522
258139971,3cyclictest0-21swapper/220:05:152
258139970,3cyclictest0-21swapper/200:35:142
258139970,2cyclictest0-21swapper/219:50:102
258139970,1cyclictest0-21swapper/200:15:142
258089970,6cyclictest0-21swapper/119:33:491
258089970,4cyclictest0-21swapper/123:33:171
258089970,4cyclictest0-21swapper/122:20:211
258089970,4cyclictest0-21swapper/121:57:151
258089970,1cyclictest0-21swapper/121:17:211
257939976,1cyclictest9-21ksoftirqd/021:45:140
257939976,1cyclictest9-21ksoftirqd/021:35:140
257939976,1cyclictest9-21ksoftirqd/021:05:150
257939976,1cyclictest9-21ksoftirqd/020:55:090
257939976,1cyclictest9-21ksoftirqd/019:20:080
257939976,1cyclictest4409-21ntpq23:05:190
257939976,1cyclictest21578-21apt-get23:30:120
257939976,1cyclictest1221-1kworker/u9:022:20:120
257939976,1cyclictest1029-21snmpd21:56:040
257939975,1cyclictest1029-21snmpd19:19:340
257939975,1cyclictest1029-21snmpd19:13:130
257939972,2cyclictest0-21swapper/022:10:010
257939972,1cyclictest7508-21/usr/sbin/munin23:55:210
257939970,6cyclictest6869-21ssh23:10:040
257939970,6cyclictest304-21latency_hist19:30:010
257939970,6cyclictest13856-21diskmemload21:20:010
257939970,6cyclictest13568-21telnet22:35:120
257939970,6cyclictest0-21swapper/021:40:130
257939970,6cyclictest0-21swapper/021:30:280
257939970,6cyclictest0-21swapper/019:35:000
257939970,5cyclictest11214-21apt-get00:00:110
257939970,1cyclictest2179-21ssh23:02:470
257939970,1cyclictest2179-21ssh23:02:460
257939970,1cyclictest13856-21diskmemload23:35:210
257939970,1cyclictest0-21swapper/021:50:240
257939970,0cyclictest0-21swapper/019:40:110
258219966,0cyclictest13856-21diskmemload23:55:063
258219965,1cyclictest6287-21ntpq21:40:173
258219965,1cyclictest5782-21ntpq20:50:183
258219965,1cyclictest561-21nscd22:10:083
258219965,1cyclictest35-21ksoftirqd/319:45:113
258219965,1cyclictest2899-21ssh00:30:443
258219965,1cyclictest28513-21cat20:30:173
258219965,1cyclictest27744-21ssh23:37:253
258219965,1cyclictest26018-21ssh21:25:043
258219965,1cyclictest23072-21ssh22:03:473
258219965,1cyclictest2171-21ssh23:02:463
258219965,1cyclictest2171-21ssh23:02:463
258219965,1cyclictest15785-21ssh21:54:433
258219965,1cyclictest15038-21cat21:10:163
258219965,1cyclictest12683-21ssh23:16:223
258219965,1cyclictest12163-21ssh22:32:073
258219965,1cyclictest10698-21ssh21:45:443
258219965,1cyclictest1029-21snmpd22:08:473
258219965,1cyclictest1029-21snmpd20:46:573
258219965,1cyclictest1029-21snmpd19:21:273
258219964,1cyclictest26097-21apt-get00:20:133
258219963,1cyclictest548-21systemd-logind19:15:003
258219962,3cyclictest28950-21apt-get23:40:103
258219962,1cyclictest240-21systemd-journal20:59:593
258219962,1cyclictest13856-21diskmemload21:55:043
258219961,3cyclictest1029-21snmpd22:55:043
258219960,6cyclictest31743-21ssh00:26:033
258219960,4cyclictest5051-21ntp_states23:50:193
258219960,4cyclictest5051-21ntp_states23:50:183
258219960,4cyclictest28148-21munin-node20:26:113
258219960,4cyclictest23291-21if_eno100:15:183
258219960,4cyclictest0-21swapper/322:53:143
258219960,4cyclictest0-21swapper/322:37:033
258219960,1cyclictest0-21swapper/321:30:253
258139966,0cyclictest61650irq/122-eno123:20:192
258139966,0cyclictest61650irq/122-eno122:40:112
258139966,0cyclictest61650irq/122-eno121:20:142
258139966,0cyclictest61650irq/122-eno120:38:202
258139966,0cyclictest61650irq/122-eno120:25:172
258139966,0cyclictest61650irq/122-eno119:41:492
258139966,0cyclictest61650irq/122-eno100:25:432
258139965,1cyclictest61650irq/122-eno123:55:022
258139965,1cyclictest61650irq/122-eno122:55:142
258139965,1cyclictest61650irq/122-eno122:10:082
258139965,1cyclictest1747-21ntpd20:15:582
258139965,0cyclictest61650irq/122-eno122:35:102
258139964,1cyclictest8093-21cron19:49:592
258139964,1cyclictest61650irq/122-eno123:10:132
258139964,1cyclictest61650irq/122-eno119:16:252
258139964,1cyclictest1747-21ntpd19:25:592
258139964,1cyclictest12888-21ntpq21:05:182
258139964,1cyclictest1029-21snmpd19:13:252
258139963,2cyclictest13856-21diskmemload00:00:162
258139962,3cyclictest29879-21apt-get19:20:072
258139960,1cyclictest0-21swapper/220:51:352
258139960,1cyclictest0-21swapper/220:44:062
258089966,0cyclictest0-21swapper/122:10:451
258089965,1cyclictest0-21swapper/120:06:321
258089961,5cyclictest0-21swapper/123:42:021
258089960,6cyclictest0-21swapper/123:29:191
258089960,6cyclictest0-21swapper/122:48:371
258089960,6cyclictest0-21swapper/122:15:321
258089960,6cyclictest0-21swapper/122:05:161
258089960,5cyclictest0-21swapper/123:58:101
258089960,5cyclictest0-21swapper/122:01:281
258089960,5cyclictest0-21swapper/120:31:301
258089960,5cyclictest0-21swapper/119:40:091
258089960,4cyclictest0-21swapper/123:36:121
258089960,4cyclictest0-21swapper/100:25:091
258089960,4cyclictest0-21swapper/100:06:421
258089960,3cyclictest0-21swapper/121:50:131
258089960,3cyclictest0-21swapper/121:29:391
258089960,2cyclictest0-21swapper/123:50:131
258089960,2cyclictest0-21swapper/123:50:131
258089960,2cyclictest0-21swapper/121:45:111
258089960,2cyclictest0-21swapper/121:43:551
258089960,1cyclictest0-21swapper/123:20:151
258089960,1cyclictest0-21swapper/100:33:491
257939966,0cyclictest9-21ksoftirqd/020:30:160
257939965,1cyclictest9-21ksoftirqd/020:10:130
257939965,1cyclictest1029-21snmpd19:33:380
257939964,1cyclictest9-21ksoftirqd/020:00:120
257939963,1cyclictest240-21systemd-journal19:55:000
257939960,6cyclictest0-21swapper/021:02:510
257939960,5cyclictest0-21swapper/020:25:140
258219955,0cyclictest13251-21ssh00:01:073
258219955,0cyclictest0-21swapper/323:05:333
258219955,0cyclictest0-21swapper/319:15:093
258219954,1cyclictest8814-21ssh23:10:423
258219954,1cyclictest1029-21snmpd22:25:173
258219953,1cyclictest18151-21ssh23:25:133
258219953,1cyclictest18092-21/usr/sbin/munin21:15:193
258219952,2cyclictest0-21swapper/320:20:123
258219952,1cyclictest240-21systemd-journal19:45:003
258219950,3cyclictest0-21swapper/320:40:113
258219950,3cyclictest0-21swapper/319:50:113
258219950,2cyclictest0-21swapper/321:22:493
258219950,1cyclictest0-21swapper/321:00:133
258219950,1cyclictest0-21swapper/319:30:083
258139955,0cyclictest61650irq/122-eno120:55:122
258139955,0cyclictest61650irq/122-eno120:47:052
258139953,1cyclictest61650irq/122-eno120:20:132
258139953,1cyclictest438-21aten_r1power_en19:30:072
258139953,1cyclictest12103-21cut19:55:192
258139951,3cyclictest0-21swapper/220:00:112
258089951,2cyclictest0-21swapper/121:04:201
258089951,2cyclictest0-21swapper/100:35:111
258089950,5cyclictest0-21swapper/122:41:301
258089950,5cyclictest0-21swapper/120:49:001
258089950,5cyclictest0-21swapper/120:11:491
258089950,5cyclictest0-21swapper/120:00:171
258089950,5cyclictest0-21swapper/119:56:171
258089950,5cyclictest0-21swapper/119:53:331
258089950,5cyclictest0-21swapper/100:14:281
258089950,4cyclictest0-21swapper/123:15:171
258089950,4cyclictest0-21swapper/123:07:561
258089950,4cyclictest0-21swapper/122:25:101
258089950,4cyclictest0-21swapper/121:12:041
258089950,4cyclictest0-21swapper/121:10:001
258089950,4cyclictest0-21swapper/119:30:001
258089950,3cyclictest0-21swapper/121:35:191
258089950,3cyclictest0-21swapper/120:40:111
258089950,3cyclictest0-21swapper/119:20:071
258089950,2cyclictest0-21swapper/123:49:071
258089950,2cyclictest0-21swapper/100:00:121
258089950,1cyclictest0-21swapper/120:50:121
258089950,1cyclictest0-21swapper/120:15:011
257939950,3cyclictest0-21swapper/020:15:120
257939950,0cyclictest0-21swapper/020:46:530
258219944,0cyclictest13123-21sensors21:05:203
258219942,1cyclictest110252sleep319:55:153
258219940,1cyclictest240-21systemd-journal19:35:003
258089944,0cyclictest0-21swapper/120:59:221
258089944,0cyclictest0-21swapper/120:25:271
258089941,1cyclictest0-21swapper/122:55:111
258089941,1cyclictest0-21swapper/122:35:441
258089940,3cyclictest0-21swapper/123:00:061
258089940,3cyclictest0-21swapper/123:00:061
258089940,3cyclictest0-21swapper/120:20:141
258089940,3cyclictest0-21swapper/119:39:461
258089940,3cyclictest0-21swapper/100:17:341
258089940,2cyclictest0-21swapper/119:45:191
258089940,1cyclictest0-21swapper/123:10:111
258089940,1cyclictest0-21swapper/119:11:181
258089930,1cyclictest0-21swapper/119:15:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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