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2026-05-14 - 09:30
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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 Thu May 14, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105992213178,23sleep00-21swapper/019:05:560
105592213150,49sleep20-21swapper/219:05:252
106892202163,25sleep10-21swapper/119:07:051
87992201161,26sleep30-21swapper/319:05:063
182192750,0sleep10-21swapper/122:53:131
215882730,1sleep121-21ksoftirqd/122:15:121
12552720,0sleep10-21swapper/122:30:151
287582670,0sleep00-21swapper/019:45:130
249812660,0sleep10-21swapper/123:45:151
294682170,0sleep00-21swapper/022:25:130
1100199130,13cyclictest56-21kworker/1:123:08:261
1100199130,0cyclictest56-21kworker/1:120:09:181
1100199130,0cyclictest56-21kworker/1:120:09:181
1102499121,10cyclictest30299-21taskset21:42:503
11001991210,1cyclictest111rcu_preempt21:14:441
1100199120,12cyclictest0-21swapper/120:31:411
1100199120,0cyclictest0-21swapper/119:24:311
1099399123,4cyclictest706-21latency_hist19:54:590
10993991210,1cyclictest9-21ksoftirqd/020:05:010
1101799119,1cyclictest28-21ksoftirqd/223:04:592
11017991111,0cyclictest28-21ksoftirqd/200:10:002
1100199113,1cyclictest111rcu_preempt23:11:291
1100199110,8cyclictest21-21ksoftirqd/119:10:121
1099399112,4cyclictest17784-21sed00:20:000
10993991110,1cyclictest9-21ksoftirqd/019:25:000
1102499100,5cyclictest4099-21perf21:10:003
1102499100,2cyclictest0-21swapper/319:10:113
1101799108,1cyclictest28-21ksoftirqd/222:55:012
1101799108,1cyclictest28-21ksoftirqd/221:55:142
1101799100,3cyclictest0-21swapper/220:40:122
1100199107,2cyclictest21-21ksoftirqd/100:04:151
1100199102,7cyclictest111rcu_preempt23:42:581
1100199101,8cyclictest111rcu_preempt21:33:121
1100199100,5cyclictest21-21ksoftirqd/122:48:361
1099399109,1cyclictest9-21ksoftirqd/021:30:000
1099399109,1cyclictest9-21ksoftirqd/000:05:120
1099399108,1cyclictest9-21ksoftirqd/000:30:010
19459290,1sleep30-21swapper/321:29:343
110249998,1cyclictest35-21ksoftirqd/322:19:593
110249990,5cyclictest0-21swapper/322:48:543
110179998,1cyclictest28-21ksoftirqd/222:35:002
110019999,0cyclictest21-21ksoftirqd/123:35:231
110019999,0cyclictest21-21ksoftirqd/120:12:301
110019998,1cyclictest21-21ksoftirqd/123:54:451
110019998,1cyclictest21-21ksoftirqd/123:31:161
110019998,1cyclictest21-21ksoftirqd/122:55:061
110019998,1cyclictest21-21ksoftirqd/122:27:051
110019998,1cyclictest21-21ksoftirqd/122:12:311
110019998,1cyclictest21-21ksoftirqd/121:20:541
110019998,1cyclictest21-21ksoftirqd/120:55:381
110019998,1cyclictest21-21ksoftirqd/120:45:121
110019998,1cyclictest21-21ksoftirqd/120:00:211
110019998,1cyclictest21-21ksoftirqd/119:40:241
110019998,1cyclictest21-21ksoftirqd/119:38:001
110019998,1cyclictest21-21ksoftirqd/119:32:271
110019998,1cyclictest21-21ksoftirqd/119:25:341
110019998,1cyclictest21-21ksoftirqd/119:15:371
110019998,1cyclictest21-21ksoftirqd/100:10:221
110019997,1cyclictest111rcu_preempt22:20:151
110019997,1cyclictest111rcu_preempt21:45:141
110019997,1cyclictest111rcu_preempt21:18:561
110019997,1cyclictest111rcu_preempt00:25:161
110019996,2cyclictest0-21swapper/100:35:011
110019995,3cyclictest201rcuc/119:55:121
110019992,0cyclictest111rcu_preempt22:40:431
110019991,8cyclictest111rcu_preempt21:51:221
110019991,1cyclictest21-21ksoftirqd/123:00:221
110019991,0cyclictest21-21ksoftirqd/123:55:341
110019991,0cyclictest21-21ksoftirqd/100:18:141
110019990,8cyclictest21-21ksoftirqd/123:25:501
110019990,8cyclictest21-21ksoftirqd/121:55:141
110019990,8cyclictest111rcu_preempt00:30:451
110019990,7cyclictest21-21ksoftirqd/121:35:141
109939997,1cyclictest9-21ksoftirqd/021:55:000
109939996,1cyclictest9-21ksoftirqd/021:29:590
109939994,1cyclictest585-21rs:main0
109939990,1cyclictest240-21systemd-journal23:14:550
110249986,1cyclictest23530-21snmpd20:43:203
110249986,1cyclictest23530-21snmpd19:54:103
110249986,1cyclictest23530-21snmpd19:28:323
110249981,5cyclictest13558-21munin-node21:46:033
110249980,5cyclictest1679-21apt-get23:15:123
110179988,0cyclictest0-21swapper/223:27:532
110179987,1cyclictest28-21ksoftirqd/222:05:012
110179986,1cyclictest61650irq/122-eno122:20:122
110179986,1cyclictest61650irq/122-eno121:50:592
110179986,1cyclictest61650irq/122-eno121:48:262
110179986,1cyclictest28-21ksoftirqd/222:35:142
110179986,1cyclictest25266-21ls23:45:182
110179986,1cyclictest23530-21snmpd22:55:422
110179986,1cyclictest23530-21snmpd22:40:542
110179985,2cyclictest13959-21cron00:15:002
110179983,2cyclictest240-21systemd-journal20:00:002
110179980,4cyclictest26640-21apt-get23:05:112
110179980,1cyclictest0-21swapper/221:29:162
110019988,0cyclictest21-21ksoftirqd/122:35:121
110019988,0cyclictest21-21ksoftirqd/122:05:251
110019988,0cyclictest21-21ksoftirqd/120:50:361
110019988,0cyclictest21-21ksoftirqd/120:40:271
110019988,0cyclictest21-21ksoftirqd/120:25:291
110019988,0cyclictest21-21ksoftirqd/120:20:431
110019988,0cyclictest21-21ksoftirqd/119:45:101
110019987,1cyclictest21-21ksoftirqd/120:35:011
110019983,4cyclictest21-21ksoftirqd/100:20:071
110019983,3cyclictest201rcuc/119:50:161
110019980,8cyclictest21-21ksoftirqd/123:20:101
110019980,8cyclictest21-21ksoftirqd/121:40:011
110019980,8cyclictest21-21ksoftirqd/121:05:151
110019980,8cyclictest21-21ksoftirqd/121:00:141
110019980,8cyclictest21-21ksoftirqd/100:05:231
110019980,8cyclictest203-21jbd2/sda2-820:15:381
110019980,8cyclictest111rcu_preempt21:25:111
110019980,7cyclictest111rcu_preempt22:00:111
110019980,0cyclictest21-21ksoftirqd/123:15:031
109939987,1cyclictest9-21ksoftirqd/023:20:010
109939987,1cyclictest26209-21ssh23:45:590
109939984,1cyclictest4359-21/usr/sbin/munin21:10:210
109939981,6cyclictest5579-21aten2.4-expect23:20:120
109939980,6cyclictest240-21systemd-journal22:31:570
109939980,4cyclictest22593-21latency_hist23:00:000
24583270,0sleep30-21swapper/300:28:213
110249976,1cyclictest23530-21snmpd21:39:063
110249976,1cyclictest23530-21snmpd20:18:013
110249976,1cyclictest1747-21ntpd22:25:593
110249975,1cyclictest8922-21ssh00:06:223
110249975,1cyclictest8826-21cat22:40:153
110249975,1cyclictest35-21ksoftirqd/321:00:003
110249975,1cyclictest23530-21snmpd21:00:063
110249975,1cyclictest23530-21snmpd20:50:013
110249975,1cyclictest23530-21snmpd20:28:343
110249975,1cyclictest23530-21snmpd20:02:183
110249975,1cyclictest23530-21snmpd19:40:173
110249975,1cyclictest1747-21ntpd23:50:593
110249975,1cyclictest16313-21cat22:50:133
110249974,1cyclictest4108-21diskmemload22:35:253
110249973,1cyclictest240-21systemd-journal22:15:003
110249972,1cyclictest24042-21ssh23:00:173
110249971,5cyclictest13661-21ssh00:14:133
110249971,2cyclictest0-21swapper/322:04:423
110249970,3cyclictest0-21swapper/323:32:033
110249970,3cyclictest0-21swapper/323:12:103
110249970,2cyclictest0-21swapper/321:52:023
110249970,2cyclictest0-21swapper/321:23:483
110249970,1cyclictest24399-21diskstats19:35:143
110249970,1cyclictest15154-21latency_hist20:25:003
110179976,1cyclictest9103-21cat20:10:152
110179976,1cyclictest61650irq/122-eno123:56:082
110179976,1cyclictest61650irq/122-eno123:50:122
110179976,1cyclictest61650irq/122-eno122:12:302
110179976,1cyclictest61650irq/122-eno121:20:042
110179976,1cyclictest61650irq/122-eno121:15:192
110179976,1cyclictest61650irq/122-eno119:20:132
110179976,1cyclictest61650irq/122-eno100:25:122
110179976,1cyclictest28-21ksoftirqd/222:30:002
110179976,1cyclictest28-21ksoftirqd/200:35:002
110179976,0cyclictest61650irq/122-eno122:45:142
110179975,1cyclictest61650irq/122-eno123:20:112
110179975,1cyclictest61650irq/122-eno121:10:202
110179975,1cyclictest61650irq/122-eno100:20:002
110179975,1cyclictest29470-21ssh21:40:302
110179975,1cyclictest26093-21ntpq20:45:182
110179970,3cyclictest4108-21diskmemload23:10:142
110179970,3cyclictest0-21swapper/223:35:142
110179970,1cyclictest0-21swapper/219:43:332
109939976,1cyclictest9209-21ssh23:25:100
109939976,1cyclictest9-21ksoftirqd/019:44:590
109939976,1cyclictest473-21cat21:00:150
109939976,1cyclictest4165-21ssh22:35:100
109939976,1cyclictest23530-21snmpd20:43:250
109939976,1cyclictest19928-21ssh22:11:380
109939976,1cyclictest17639-21ssh22:51:360
109939976,1cyclictest12984-21ssh22:03:090
109939975,1cyclictest27934-21/usr/sbin/munin23:50:170
109939975,1cyclictest26112-21grep22:20:150
109939974,1cyclictest29665-21/usr/sbin/munin20:55:160
109939972,3cyclictest15684-21grep22:05:200
109939971,6cyclictest24726-21nscd20:00:010
109939971,1cyclictest30174-21ssh00:35:130
109939970,6cyclictest32587-21ssh21:45:190
109939970,6cyclictest27008-21expr23:05:110
109939970,6cyclictest15323-21/usr/sbin/munin20:25:140
109939970,6cyclictest12846-21grep21:20:150
109939970,6cyclictest10752-21egrep20:15:150
109939970,6cyclictest0-21swapper/019:35:130
109939970,1cyclictest8118-21ssh21:15:070
109939970,1cyclictest7856-21python21:55:170
109939970,1cyclictest4108-21diskmemload00:27:180
109939970,1cyclictest4044-21memory00:00:140
109939970,1cyclictest31675-21ssh23:55:080
109939970,1cyclictest24863-21ssh21:35:180
109939970,1cyclictest24523-21ssh22:19:040
109939970,1cyclictest22322-21ssh23:40:350
109939970,1cyclictest18956-21ssh23:36:410
109939970,1cyclictest14997-21ssh23:31:040
109939970,1cyclictest14581-21ssh22:48:280
109939970,1cyclictest10473-21ssh00:10:070
109939970,1cyclictest10033-21ssh22:41:150
109939970,1cyclictest0-21swapper/020:30:120
110249966,0cyclictest1747-21ntpd20:45:583
110249965,1cyclictest9286-21ssh21:58:223
110249965,1cyclictest5412-21ssh00:02:023
110249965,1cyclictest32458-21ssh00:38:183
110249965,1cyclictest26447-21ssh23:46:393
110249965,1cyclictest2394-21ssh22:30:483
110249965,1cyclictest22323-21ssh23:40:363
110249965,1cyclictest21821-21ssh21:30:413
110249965,1cyclictest20332-21ntpq22:55:173
110249965,1cyclictest1747-21ntpd20:35:593
110249965,1cyclictest1747-21ntpd19:30:593
110249965,1cyclictest16079-21ssh00:15:283
110249965,1cyclictest10552-21ssh23:25:183
110249964,1cyclictest23530-21snmpd21:16:033
110249964,1cyclictest17879-21ntpq23:35:183
110249964,1cyclictest1747-21ntpd20:05:593
110249964,1cyclictest1747-21ntpd20:05:593
110249962,1cyclictest16829-21apt-get19:20:113
110249962,0cyclictest4108-21diskmemload23:57:333
110249961,2cyclictest4108-21diskmemload21:10:423
110249961,1cyclictest943-21apt-get19:55:113
110249961,1cyclictest27661-21ssh00:30:553
110249961,1cyclictest0-21swapper/322:20:113
110249960,4cyclictest0-21swapper/323:07:153
110249960,4cyclictest0-21swapper/319:45:203
110249960,3cyclictest0-21swapper/300:21:073
110249960,2cyclictest0-21swapper/323:21:213
110249960,2cyclictest0-21swapper/322:05:053
110179966,0cyclictest61650irq/122-eno123:40:112
110179966,0cyclictest61650irq/122-eno123:15:092
110179966,0cyclictest61650irq/122-eno121:30:092
110179966,0cyclictest61650irq/122-eno121:00:012
110179966,0cyclictest61650irq/122-eno120:53:262
110179966,0cyclictest61650irq/122-eno120:31:332
110179966,0cyclictest61650irq/122-eno120:28:512
110179966,0cyclictest61650irq/122-eno120:05:112
110179966,0cyclictest61650irq/122-eno120:05:112
110179966,0cyclictest61650irq/122-eno120:00:012
110179966,0cyclictest61650irq/122-eno119:50:172
110179966,0cyclictest61650irq/122-eno119:45:272
110179966,0cyclictest61650irq/122-eno119:36:132
110179966,0cyclictest61650irq/122-eno119:30:022
110179966,0cyclictest61650irq/122-eno119:28:232
110179966,0cyclictest61650irq/122-eno119:10:582
110179966,0cyclictest61650irq/122-eno100:00:232
110179965,1cyclictest61650irq/122-eno119:15:112
110179965,1cyclictest23530-21snmpd20:56:232
110179964,1cyclictest61650irq/122-eno123:30:102
110179964,1cyclictest61650irq/122-eno122:16:432
110179964,1cyclictest61650irq/122-eno100:35:002
110179964,1cyclictest28-21ksoftirqd/221:05:122
110179964,1cyclictest28-21ksoftirqd/220:35:132
110179962,3cyclictest18010-21apt-get00:20:112
110179961,4cyclictest23757-21sh21:35:112
110179960,3cyclictest12969-21apt-get20:20:102
110179960,1cyclictest0-21swapper/222:05:142
109939965,1cyclictest1969-21/usr/sbin/munin21:05:190
109939963,1cyclictest240-21systemd-journal20:20:000
109939960,6cyclictest0-21swapper/020:50:140
109939960,6cyclictest0-21swapper/019:30:130
109939960,5cyclictest8226-21/usr/sbin/munin20:10:130
109939960,5cyclictest5872-21/usr/sbin/munin20:05:120
109939960,5cyclictest5872-21/usr/sbin/munin20:05:110
109939960,5cyclictest20233-21/usr/sbin/munin20:35:140
109939960,5cyclictest0-21swapper/019:15:110
109939960,1cyclictest23718-21hddtemp_smartct23:00:150
109939960,0cyclictest20059-21ssh00:21:070
109939960,0cyclictest0-21swapper/019:25:580
109939960,0cyclictest0-21swapper/019:11:010
110249953,1cyclictest35-21ksoftirqd/320:34:593
110179955,0cyclictest61650irq/122-eno120:15:132
109939950,5cyclictest0-21swapper/020:45:140
110249942,1cyclictest9034-21hddtemp_smartct20:10:133
110249940,1cyclictest240-21systemd-journal19:16:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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