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2026-06-22 - 20:06
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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 Mon Jun 22, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15772219158,48sleep10-21swapper/107:06:091
16652218163,43sleep20-21swapper/207:07:192
17402202157,31sleep30-21swapper/307:08:163
15292200156,31sleep00-21swapper/007:05:310
220772690,0sleep1111rcu_preempt11:15:011
24912600,0sleep00-21swapper/007:10:140
243252580,0sleep30-21swapper/311:15:543
197599131,9cyclictest4325-21munin-node12:30:152
1984991210,1cyclictest35-21ksoftirqd/312:40:013
1975991211,1cyclictest28-21ksoftirqd/207:35:002
1975991210,1cyclictest28-21ksoftirqd/212:10:002
1975991210,1cyclictest28-21ksoftirqd/209:20:132
1975991210,1cyclictest28-21ksoftirqd/209:20:012
197599119,1cyclictest28-21ksoftirqd/212:20:202
197599119,1cyclictest28-21ksoftirqd/209:00:002
1975991110,1cyclictest61650irq/122-eno112:15:112
1975991110,1cyclictest28-21ksoftirqd/212:14:592
1975991110,1cyclictest28-21ksoftirqd/211:15:152
198499109,1cyclictest35-21ksoftirqd/309:55:113
198499108,1cyclictest35-21ksoftirqd/311:50:143
198499108,1cyclictest35-21ksoftirqd/311:35:003
198499108,1cyclictest35-21ksoftirqd/308:10:133
197599109,1cyclictest28-21ksoftirqd/211:59:592
197599109,1cyclictest28-21ksoftirqd/211:20:112
197599109,1cyclictest28-21ksoftirqd/211:00:012
197599109,1cyclictest28-21ksoftirqd/210:45:112
197599108,1cyclictest28-21ksoftirqd/211:45:202
197599108,1cyclictest28-21ksoftirqd/210:00:132
197599108,1cyclictest28-21ksoftirqd/209:30:122
197599108,1cyclictest28-21ksoftirqd/209:25:152
197599107,3cyclictest9656-21kworker/2:210:44:122
196299109,1cyclictest9-21ksoftirqd/009:45:110
196299108,1cyclictest9-21ksoftirqd/008:55:000
196299101,4cyclictest27247-21diskmemload12:00:000
19849999,0cyclictest0-21swapper/308:08:203
19849998,0cyclictest31080-21apt-get09:15:123
19759998,1cyclictest28-21ksoftirqd/212:25:142
19759998,1cyclictest28-21ksoftirqd/212:00:152
19759998,1cyclictest28-21ksoftirqd/211:30:062
19759998,1cyclictest28-21ksoftirqd/211:10:152
19759998,1cyclictest28-21ksoftirqd/211:05:192
19759998,1cyclictest28-21ksoftirqd/210:38:092
19759998,1cyclictest28-21ksoftirqd/208:25:142
19759998,1cyclictest28-21ksoftirqd/208:00:182
19759998,1cyclictest28-21ksoftirqd/207:15:182
19759997,1cyclictest7206-21nscd07:25:182
19759997,1cyclictest10262-21sh11:40:442
19759996,3cyclictest28-21ksoftirqd/209:44:272
19759993,3cyclictest240-21systemd-journal10:27:232
19759990,8cyclictest20680-21kworker/u8:009:45:592
19759990,7cyclictest693-21runrttasks09:58:192
19759990,2cyclictest240-21systemd-journal10:34:242
19849987,1cyclictest35-21ksoftirqd/311:50:003
19849987,1cyclictest35-21ksoftirqd/311:10:013
19849987,1cyclictest35-21ksoftirqd/310:55:013
19849986,1cyclictest35-21ksoftirqd/308:15:103
19849986,1cyclictest0-21swapper/311:00:193
19849982,3cyclictest4499-21apt-get11:35:133
19759988,0cyclictest28-21ksoftirqd/209:35:172
19759988,0cyclictest28-21ksoftirqd/208:30:152
19759987,1cyclictest28-21ksoftirqd/210:50:112
19759987,1cyclictest28-21ksoftirqd/210:10:192
19759987,1cyclictest28-21ksoftirqd/209:50:212
19759987,1cyclictest28-21ksoftirqd/209:10:222
19759987,1cyclictest28-21ksoftirqd/209:00:142
19759987,1cyclictest28-21ksoftirqd/208:20:142
19759986,1cyclictest61650irq/122-eno111:35:142
19699985,2cyclictest0-21swapper/109:35:111
19699981,3cyclictest0-21swapper/108:40:141
19699980,4cyclictest0-21swapper/110:50:191
19629987,1cyclictest9-21ksoftirqd/010:15:000
19629986,1cyclictest9-21ksoftirqd/011:36:040
19629986,1cyclictest4824-21ssh09:21:370
19629984,1cyclictest240-21systemd-journal11:55:000
19629984,1cyclictest14494-21/usr/sbin/munin10:20:120
19629980,8cyclictest4325-21munin-node12:24:460
19629980,7cyclictest26456-21ssh09:50:200
19629980,7cyclictest0-21swapper/012:00:040
19629980,7cyclictest0-21swapper/010:45:130
19629980,6cyclictest0-21swapper/009:19:550
19849976,0cyclictest35-21ksoftirqd/309:30:013
19849975,1cyclictest3198-21ssh10:48:423
19849975,1cyclictest31937-21ssh10:43:373
19849975,1cyclictest27686-21ssh09:52:553
19849975,1cyclictest22587-21ntpq09:45:173
19849975,1cyclictest20474-21ssh10:27:013
19849975,1cyclictest19149-21sshd07:42:393
19849975,1cyclictest17793-21ssh10:24:523
19849975,1cyclictest17297-21ssh09:39:343
19849973,3cyclictest31413-21ls12:10:163
19849973,3cyclictest16981-21awk07:40:003
19849971,5cyclictest6043-21apt-get08:25:123
19849971,4cyclictest0-21swapper/309:33:303
19849971,2cyclictest7195-21runrttasks10:10:123
19849970,3cyclictest0-21swapper/309:43:273
19759977,0cyclictest28-21ksoftirqd/211:50:182
19759976,1cyclictest28-21ksoftirqd/212:35:152
19759976,1cyclictest28-21ksoftirqd/211:25:122
19759976,1cyclictest28-21ksoftirqd/210:05:112
19759976,1cyclictest28-21ksoftirqd/210:05:112
19759976,1cyclictest28-21ksoftirqd/208:40:122
19759976,1cyclictest28-21ksoftirqd/207:50:122
19759975,1cyclictest28-21ksoftirqd/209:05:142
19759975,1cyclictest28-21ksoftirqd/208:50:142
19699971,3cyclictest0-21swapper/111:30:161
19699971,3cyclictest0-21swapper/111:07:371
19629976,1cyclictest4343-1kworker/u9:009:25:020
19629973,2cyclictest240-21systemd-journal08:44:560
19629972,4cyclictest30413-21/usr/sbin/munin12:10:210
19629971,6cyclictest18646-21ssh12:37:140
19629971,5cyclictest14005-21ssh12:30:200
19629970,6cyclictest5764-21ssh10:06:370
19629970,6cyclictest5764-21ssh10:06:360
19629970,6cyclictest5310-21systemctl10:50:190
19629970,6cyclictest31139-21ssh09:57:230
19629970,6cyclictest29842-21ssh09:12:360
19629970,6cyclictest27692-21ssh10:36:500
19629970,6cyclictest24364-21ssh10:32:450
19629970,6cyclictest17788-21telnet09:40:120
19629970,6cyclictest16875-21ssh11:05:270
19629970,6cyclictest13866-1kworker/u9:211:45:570
19629970,6cyclictest0-21swapper/011:30:050
19629970,5cyclictest561-21nscd09:31:520
19629970,2cyclictest0-21swapper/009:00:110
19629970,1cyclictest9725-21ssh10:55:510
19629970,1cyclictest8160-21latency_hist11:40:000
19629970,1cyclictest28146-1kworker/u9:010:44:270
19629970,1cyclictest27247-21diskmemload11:13:360
19629970,1cyclictest24204-21ssh11:15:330
19629970,1cyclictest240-21systemd-journal11:29:240
19629970,1cyclictest14201-21sendmail10:20:000
19629970,1cyclictest14016-21/usr/sbin/munin09:35:210
19629970,1cyclictest0-21swapper/012:16:160
19629970,1cyclictest0-21swapper/011:20:110
19629970,1cyclictest0-21swapper/010:00:130
19849966,0cyclictest35-21ksoftirqd/312:18:003
19849965,1cyclictest7727-21ssh10:55:053
19849965,1cyclictest35-21ksoftirqd/308:50:133
19849965,1cyclictest35-21ksoftirqd/308:40:133
19849965,1cyclictest28603-21ssh11:22:463
19849965,1cyclictest21530-21ntpq08:55:183
19849965,1cyclictest20897-21ssh11:11:343
19849965,1cyclictest20180-21cat11:55:163
19849965,1cyclictest11325-21ssh12:27:063
19849965,0cyclictest35-21ksoftirqd/308:00:003
19849964,1cyclictest24252-21ssh10:32:253
19849963,2cyclictest22647-21fw_packets07:50:143
19849963,1cyclictest27247-21diskmemload09:10:313
19849963,1cyclictest240-21systemd-journal10:36:543
19849963,1cyclictest240-21systemd-journal07:17:043
19849962,2cyclictest27247-21diskmemload09:20:523
19849962,2cyclictest23663-21/usr/sbin/munin09:00:173
19849962,1cyclictest23141-21/usr/sbin/munin12:00:123
19849961,3cyclictest28480-21unixbench_multi12:05:203
19849961,3cyclictest27247-21diskmemload11:25:023
19849960,4cyclictest5308-21/usr/sbin/munin12:20:213
19849960,3cyclictest0-21swapper/312:30:103
19759966,0cyclictest9656-21kworker/2:208:45:132
19759966,0cyclictest61650irq/122-eno110:20:062
19759966,0cyclictest61650irq/122-eno108:37:582
19759966,0cyclictest61650irq/122-eno108:14:112
19759966,0cyclictest61650irq/122-eno107:55:132
19759966,0cyclictest61650irq/122-eno107:20:122
19759965,1cyclictest61650irq/122-eno111:00:122
19759965,1cyclictest61650irq/122-eno110:15:132
19759965,1cyclictest28-21ksoftirqd/208:20:012
19759964,1cyclictest61650irq/122-eno108:05:172
19759964,1cyclictest28-21ksoftirqd/207:40:122
19759963,1cyclictest0-21swapper/207:35:182
19759960,1cyclictest2170-21apt-get07:10:122
19699964,0cyclictest0-21swapper/111:02:441
19699960,6cyclictest0-21swapper/110:44:001
19699960,6cyclictest0-21swapper/109:49:301
19699960,6cyclictest0-21swapper/108:48:261
19699960,4cyclictest0-21swapper/112:00:041
19699960,3cyclictest0-21swapper/109:10:371
19699960,1cyclictest0-21swapper/110:05:111
19699960,1cyclictest0-21swapper/110:05:111
19699960,0cyclictest0-21swapper/110:37:181
19629966,0cyclictest8932-21ssh12:25:060
19629965,1cyclictest11308-21ntp_states07:25:180
19629963,1cyclictest9-21ksoftirqd/007:31:330
19629963,0cyclictest0-21swapper/007:50:120
19629961,4cyclictest5532-21sshd08:21:390
19629961,1cyclictest3495-21perf08:20:000
19629960,6cyclictest0-21swapper/008:10:510
19629960,6cyclictest0-21swapper/007:21:140
19629960,5cyclictest27982-21ssh12:05:180
19629960,0cyclictest27247-21diskmemload11:00:110
19629960,0cyclictest0-21swapper/010:25:330
19629960,0cyclictest0-21swapper/009:05:060
19629960,0cyclictest0-21swapper/008:27:370
19629960,0cyclictest0-21swapper/008:00:130
19629960,0cyclictest0-21swapper/007:48:090
19629960,0cyclictest0-21swapper/007:35:130
19849954,1cyclictest10802-21ssh10:15:043
19849953,1cyclictest9329-21grep11:40:153
19849953,1cyclictest9058-21fschecks_time08:30:143
19849953,1cyclictest16047-21cut08:45:143
19849953,1cyclictest12892-21tr08:40:013
19849951,1cyclictest25112-21apt-get09:05:113
19849950,3cyclictest4884-21pmu-power08:20:183
19849950,2cyclictest10649-21df07:25:143
19849950,2cyclictest0-21swapper/310:06:163
19849950,2cyclictest0-21swapper/310:06:153
19849950,2cyclictest0-21swapper/307:10:123
19849950,0cyclictest0-21swapper/310:00:553
19759954,1cyclictest61650irq/122-eno107:45:142
19699955,0cyclictest0-21swapper/112:21:171
19699955,0cyclictest0-21swapper/111:57:431
19699955,0cyclictest0-21swapper/111:43:021
19699953,1cyclictest275692sleep108:00:171
19699952,1cyclictest0-21swapper/111:50:321
19699951,4cyclictest0-21swapper/109:22:011
19699951,3cyclictest0-21swapper/109:50:111
19699951,1cyclictest0-21swapper/112:11:271
19699950,5cyclictest0-21swapper/111:25:101
19699950,5cyclictest0-21swapper/110:55:361
19699950,5cyclictest0-21swapper/110:18:371
19699950,5cyclictest0-21swapper/109:02:431
19699950,5cyclictest0-21swapper/108:11:561
19699950,5cyclictest0-21swapper/107:44:291
19699950,4cyclictest0-21swapper/112:25:201
19699950,4cyclictest0-21swapper/110:00:151
19699950,3cyclictest0-21swapper/110:30:081
19699950,3cyclictest0-21swapper/109:55:121
19699950,3cyclictest0-21swapper/109:25:191
19699950,2cyclictest0-21swapper/110:46:541
19699950,2cyclictest0-21swapper/110:25:211
19699950,2cyclictest0-21swapper/109:40:581
19699950,2cyclictest0-21swapper/108:55:141
19699950,2cyclictest0-21swapper/107:55:121
19699950,2cyclictest0-21swapper/107:10:161
19699950,1cyclictest0-21swapper/111:45:111
19699950,0cyclictest0-21swapper/107:36:071
19629953,1cyclictest5414-21/usr/sbin/munin07:15:160
19629953,1cyclictest29013-21/usr/sbin/munin08:05:170
19629953,1cyclictest22037-21tail08:55:210
19629950,4cyclictest17257-21telnet07:40:100
19629950,4cyclictest15474-21/usr/sbin/munin08:45:120
19629950,4cyclictest10776-21aten2.4-expect08:35:120
19629950,1cyclictest0-21swapper/007:55:170
19629950,0cyclictest0-21swapper/008:30:120
19849944,0cyclictest5280-21kworker/3:107:30:023
19849944,0cyclictest28063-21sensors08:00:203
19849943,1cyclictest7871-21/usr/sbin/munin07:20:113
19849942,1cyclictest19584-21apt-get07:45:133
19699944,0cyclictest0-21swapper/107:52:521
19699943,1cyclictest0-21swapper/110:20:251
19699941,3cyclictest0-21swapper/111:36:221
19699941,3cyclictest0-21swapper/108:26:021
19699941,2cyclictest0-21swapper/108:15:181
19699941,1cyclictest0-21swapper/107:25:121
19699940,4cyclictest0-21swapper/112:15:151
19699940,4cyclictest0-21swapper/110:10:201
19699940,4cyclictest0-21swapper/109:05:131
19699940,3cyclictest0-21swapper/112:39:491
19699940,3cyclictest0-21swapper/111:15:531
19699940,3cyclictest0-21swapper/107:20:131
19699940,2cyclictest0-21swapper/112:30:101
19699940,2cyclictest0-21swapper/109:16:511
19699940,2cyclictest0-21swapper/108:38:391
19699940,2cyclictest0-21swapper/107:15:141
19699940,1cyclictest0-21swapper/112:06:261
19699940,1cyclictest0-21swapper/111:20:111
19699940,1cyclictest0-21swapper/109:30:051
19699940,1cyclictest0-21swapper/107:35:011
19699931,1cyclictest0-21swapper/108:50:111
19699931,1cyclictest0-21swapper/108:20:091
19699930,2cyclictest0-21swapper/108:05:131
19699930,0cyclictest0-21swapper/108:31:581
19699930,0cyclictest0-21swapper/107:45:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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