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2026-04-07 - 14:40
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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 07, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71142212161,25sleep20-21swapper/207:08:102
69212210171,25sleep00-21swapper/007:05:380
71602205168,24sleep10-21swapper/107:08:461
69362199160,25sleep30-21swapper/307:05:503
142672620,0sleep10-21swapper/111:32:381
262232600,0sleep30-21swapper/310:25:033
153412590,0sleep30-21swapper/310:10:133
63522580,0sleep10-21swapper/109:58:461
734499175,12cyclictest0-21swapper/110:15:121
94632160,1sleep08011-21/usr/sbin/munin09:20:200
7344991511,4cyclictest21-21ksoftirqd/111:26:511
7339991412,1cyclictest9-21ksoftirqd/011:00:000
7357991310,1cyclictest35-21ksoftirqd/310:00:003
735299130,13cyclictest0-21swapper/211:45:202
735299130,12cyclictest0-21swapper/210:15:142
735299130,1cyclictest24286-21/usr/sbin/munin09:40:182
733999132,5cyclictest18105-21date08:40:000
7339991311,1cyclictest9-21ksoftirqd/012:40:000
734499128,4cyclictest21-21ksoftirqd/112:00:271
734499117,4cyclictest0-21swapper/108:16:341
734499112,2cyclictest0-21swapper/107:45:121
733999112,4cyclictest17444-21latency_hist07:30:010
7339991110,1cyclictest9-21ksoftirqd/012:25:000
735299108,1cyclictest28-21ksoftirqd/212:10:012
735299100,9cyclictest10333-21kworker/u8:210:40:222
734499100,10cyclictest0-21swapper/111:49:151
733999108,1cyclictest9-21ksoftirqd/011:40:000
733999108,1cyclictest9-21ksoftirqd/010:50:000
733999108,1cyclictest9-21ksoftirqd/010:30:000
733999103,6cyclictest5979-21cut10:40:140
733999102,4cyclictest6250-21munin-plugin-st08:15:000
733999102,4cyclictest1247-21perf10:35:000
733999101,4cyclictest26676-21sed11:50:000
733999100,4cyclictest240-21systemd-journal12:03:310
73579998,1cyclictest35-21ksoftirqd/309:35:013
73579990,0cyclictest0-21swapper/312:30:113
73529998,1cyclictest28-21ksoftirqd/211:04:002
73529998,1cyclictest17385-21/usr/sbin/munin12:20:162
73529990,7cyclictest0-21swapper/208:15:122
73449999,0cyclictest21-21ksoftirqd/110:20:201
73449996,0cyclictest0-21swapper/110:53:181
73449995,4cyclictest56-21kworker/1:112:34:021
73449995,4cyclictest0-21swapper/108:27:431
73449990,9cyclictest0-21swapper/112:35:191
73449990,0cyclictest0-21swapper/111:15:411
73399999,0cyclictest9-21ksoftirqd/009:40:000
73399990,4cyclictest3669-21latency_hist11:20:010
73579988,0cyclictest0-21swapper/310:50:553
73579987,1cyclictest35-21ksoftirqd/312:10:013
73579987,1cyclictest35-21ksoftirqd/310:20:133
73579987,1cyclictest32404-21diskmemload12:36:343
73579986,1cyclictest35-21ksoftirqd/310:35:003
73579984,2cyclictest0-21swapper/311:16:593
73579981,5cyclictest0-21swapper/309:15:373
73579981,4cyclictest12484-21switchtime10:05:193
73579981,3cyclictest0-21swapper/309:36:083
73579980,3cyclictest0-21swapper/312:22:063
73529986,1cyclictest61650irq/122-eno112:25:142
73529986,1cyclictest61650irq/122-eno109:25:142
73529986,1cyclictest61650irq/122-eno109:15:182
73529986,1cyclictest28-21ksoftirqd/211:40:002
73529986,1cyclictest28-21ksoftirqd/208:44:592
73529986,1cyclictest11599-21diskmemload12:10:292
73529985,3cyclictest61650irq/122-eno109:12:532
73529985,1cyclictest61650irq/122-eno110:55:002
73529982,3cyclictest0-21swapper/207:15:122
73529980,2cyclictest0-21swapper/210:25:182
73449988,0cyclictest21-21ksoftirqd/109:46:041
73449988,0cyclictest21-21ksoftirqd/107:10:111
73449987,1cyclictest0-21swapper/110:05:151
73449986,1cyclictest21-21ksoftirqd/111:40:101
73449985,0cyclictest0-21swapper/108:50:071
73449981,5cyclictest0-21swapper/109:10:111
73449980,4cyclictest0-21swapper/112:21:351
73399987,1cyclictest9-21ksoftirqd/009:35:010
73399986,1cyclictest14609-21ssh09:26:410
73399985,2cyclictest8320-21ssh10:00:170
73399984,2cyclictest240-21systemd-journal11:35:000
73399984,2cyclictest240-21systemd-journal07:20:000
73399982,3cyclictest12306-21kworker/u8:009:51:340
73399981,1cyclictest12024-1kworker/u9:212:14:420
73399980,7cyclictest4084-21/usr/sbin/munin09:15:170
73399980,5cyclictest9530-1kworker/u9:010:05:160
73399980,4cyclictest24463-21perf11:05:000
73399980,4cyclictest18995-21df08:40:120
73579976,1cyclictest35-21ksoftirqd/312:27:193
73579976,1cyclictest35-21ksoftirqd/308:10:003
73579976,1cyclictest35-21ksoftirqd/307:34:593
73579975,1cyclictest3943-21ssh10:37:083
73579975,1cyclictest32404-21diskmemload09:25:563
73579974,0cyclictest32404-21diskmemload11:00:163
73579973,2cyclictest240-21systemd-journal10:46:593
73579972,3cyclictest22922-21forks07:40:153
73579971,4cyclictest28496-21/usr/sbin/munin11:10:123
73579971,3cyclictest0-21swapper/309:50:113
73579970,6cyclictest24092-1kworker/u9:111:06:203
73579970,4cyclictest9672-21cron07:15:003
73579970,4cyclictest14199-21ssh12:15:153
73529977,0cyclictest0-21swapper/211:12:462
73529976,1cyclictest61650irq/122-eno112:31:402
73529976,1cyclictest61650irq/122-eno111:20:102
73529976,1cyclictest61650irq/122-eno110:50:222
73529976,1cyclictest61650irq/122-eno109:53:092
73529976,1cyclictest12446-21sensors10:05:192
73529975,1cyclictest8532-21ssh09:20:142
73529975,1cyclictest61650irq/122-eno111:50:032
73529975,1cyclictest61650irq/122-eno109:35:122
73529975,1cyclictest61650irq/122-eno108:05:002
73529975,1cyclictest3378-21ssh10:35:362
73529975,1cyclictest28-21ksoftirqd/208:35:012
73529975,1cyclictest28-21ksoftirqd/207:20:092
73529973,2cyclictest548-21systemd-logind11:40:202
73529973,2cyclictest240-21systemd-journal12:02:462
73529973,2cyclictest240-21systemd-journal08:50:002
73529973,0cyclictest32404-21diskmemload09:45:222
73529972,5cyclictest11377-21kworker/u8:111:05:142
73529972,0cyclictest17764-21taskset09:30:182
73529971,5cyclictest7809-21apt-get11:25:122
73529971,3cyclictest585-21rs:main2
73529970,2cyclictest0-21swapper/207:45:122
73449977,0cyclictest21-21ksoftirqd/108:05:181
73449977,0cyclictest21-21ksoftirqd/107:25:141
73449976,1cyclictest21-21ksoftirqd/110:33:341
73449973,4cyclictest21-21ksoftirqd/109:01:191
73449973,0cyclictest111rcu_preempt11:38:021
73449970,7cyclictest0-21swapper/112:10:171
73449970,7cyclictest0-21swapper/111:52:111
73449970,7cyclictest0-21swapper/111:20:171
73449970,7cyclictest0-21swapper/109:26:591
73449970,5cyclictest0-21swapper/108:55:111
73449970,4cyclictest0-21swapper/111:04:111
73449970,4cyclictest0-21swapper/110:10:141
73449970,3cyclictest0-21swapper/111:55:551
73449970,0cyclictest0-21swapper/110:25:171
73449970,0cyclictest0-21swapper/107:55:161
73449970,0cyclictest0-21swapper/107:15:111
73399976,1cyclictest9-21ksoftirqd/008:00:000
73399975,1cyclictest9-21ksoftirqd/008:54:010
73399975,1cyclictest9-21ksoftirqd/008:35:010
73399974,1cyclictest9-21ksoftirqd/008:04:110
73399973,3cyclictest9-21ksoftirqd/011:10:120
73399973,3cyclictest0-21swapper/011:05:110
73399971,6cyclictest1442-21ssh10:35:050
73399971,0cyclictest32404-21diskmemload09:14:450
73399970,6cyclictest6864-21sh12:05:160
73399970,6cyclictest3523-21ssh09:55:120
73399970,6cyclictest31998-21grep09:05:180
73399970,6cyclictest30095-21nscd09:35:120
73399970,6cyclictest26875-21dump-pmu-power07:50:000
73399970,6cyclictest20208-21irqstats11:40:160
73399970,6cyclictest16095-21awk10:10:180
73399970,6cyclictest0-21swapper/011:20:130
73399970,6cyclictest0-21swapper/010:50:140
73399970,6cyclictest0-21swapper/010:20:090
73399970,1cyclictest8709-21ntp_states07:10:170
73399970,1cyclictest32404-21diskmemload11:57:140
73399970,1cyclictest30142-21ssh09:46:010
73399970,1cyclictest28898-21sh11:50:530
21967270,0sleep332404-21diskmemload10:19:363
73579965,1cyclictest9692-21ssh11:25:363
73579965,1cyclictest9190-21ntpq09:20:183
73579965,1cyclictest693-21runrttasks09:41:573
73579965,1cyclictest5390-21ssh12:04:203
73579965,1cyclictest35-21ksoftirqd/309:10:133
73579965,1cyclictest30402-21ssh09:46:433
73579965,1cyclictest28802-21ssh11:50:373
73579965,1cyclictest26367-21ssh11:49:203
73579965,1cyclictest19251-21ssh10:56:303
73579965,1cyclictest17891-21ssh11:37:073
73579963,2cyclictest10922-21cstates07:15:133
73579963,1cyclictest240-21systemd-journal12:14:563
73579962,3cyclictest35-21ksoftirqd/311:41:313
73579962,2cyclictest240-21systemd-journal08:20:013
73579962,1cyclictest240-21systemd-journal09:00:573
73579961,4cyclictest32404-21diskmemload10:03:593
73579961,3cyclictest32404-21diskmemload11:55:183
73579961,2cyclictest0-21swapper/311:30:203
73579960,6cyclictest12980-21sshd08:25:383
73579960,4cyclictest0-21swapper/311:20:133
73529966,0cyclictest61650irq/122-eno112:35:052
73529966,0cyclictest61650irq/122-eno111:30:452
73529966,0cyclictest61650irq/122-eno110:45:192
73529966,0cyclictest61650irq/122-eno110:30:242
73529966,0cyclictest61650irq/122-eno110:20:192
73529966,0cyclictest61650irq/122-eno110:10:092
73529966,0cyclictest61650irq/122-eno110:01:342
73529966,0cyclictest61650irq/122-eno109:55:132
73529966,0cyclictest61650irq/122-eno109:03:402
73529966,0cyclictest61650irq/122-eno108:35:272
73529966,0cyclictest61650irq/122-eno107:57:552
73529966,0cyclictest61650irq/122-eno107:10:112
73529965,1cyclictest61650irq/122-eno108:25:172
73529965,1cyclictest61650irq/122-eno108:20:172
73529965,1cyclictest5273-21ntpq08:10:172
73529964,1cyclictest13545-21ssh12:15:082
73529963,1cyclictest240-21systemd-journal08:10:002
73529961,4cyclictest9703-21munin-node08:57:292
73529961,3cyclictest30760-21aten_r1power_cu11:55:112
73529960,5cyclictest0-21swapper/208:50:142
73529960,2cyclictest0-21swapper/207:30:122
73449966,0cyclictest21-21ksoftirqd/110:45:021
73449966,0cyclictest21-21ksoftirqd/109:36:121
73449960,6cyclictest0-21swapper/109:20:151
73449960,6cyclictest0-21swapper/109:16:311
73449960,5cyclictest0-21swapper/107:35:141
73449960,5cyclictest0-21swapper/107:20:151
73449960,4cyclictest0-21swapper/112:15:281
73449960,4cyclictest0-21swapper/112:07:391
73449960,4cyclictest0-21swapper/110:39:321
73399966,0cyclictest9-21ksoftirqd/012:15:180
73399965,1cyclictest9-21ksoftirqd/008:20:090
73399964,1cyclictest9-21ksoftirqd/012:25:000
73399963,2cyclictest28070-21aten_r1power_vo09:00:120
73399963,1cyclictest9-21ksoftirqd/008:27:560
73399960,5cyclictest0-21swapper/007:40:120
73399960,3cyclictest0-21swapper/010:16:170
73399960,1cyclictest7335-21cyclictest08:47:410
73399960,0cyclictest0-21swapper/012:30:170
73399960,0cyclictest0-21swapper/011:25:050
73399960,0cyclictest0-21swapper/007:39:090
73579954,1cyclictest19893-21sensors08:40:183
73579954,0cyclictest25556-21apt-get08:55:103
73579953,1cyclictest6696-21sendmail_mailqu10:40:183
73579953,1cyclictest35-21ksoftirqd/308:15:203
73579953,1cyclictest30271-21taskset09:05:043
73579953,1cyclictest27311-21cpu07:50:123
73579952,1cyclictest240-21systemd-journal08:39:563
73579951,1cyclictest0-21swapper/308:10:153
73579950,5cyclictest0-21swapper/307:59:073
73579950,5cyclictest0-21swapper/307:26:233
73579950,5cyclictest0-21swapper/307:20:433
73579950,1cyclictest0-21swapper/308:50:113
73529955,0cyclictest61650irq/122-eno107:25:402
73529954,1cyclictest61650irq/122-eno107:40:002
73529951,1cyclictest0-21swapper/209:05:082
73529950,4cyclictest23953-21wc07:40:202
73449955,0cyclictest21-21ksoftirqd/110:41:161
73449955,0cyclictest21-21ksoftirqd/110:01:571
73449955,0cyclictest21-21ksoftirqd/108:24:501
73449954,1cyclictest21-21ksoftirqd/109:05:091
73449952,3cyclictest0-21swapper/111:10:191
73449951,3cyclictest0-21swapper/111:05:151
73449951,2cyclictest0-21swapper/108:35:121
73449950,5cyclictest0-21swapper/112:25:211
73449950,5cyclictest0-21swapper/110:58:241
73449950,5cyclictest0-21swapper/108:49:471
73449950,5cyclictest0-21swapper/107:42:591
73449950,4cyclictest0-21swapper/108:40:101
73449950,2cyclictest0-21swapper/107:50:111
73449950,1cyclictest0-21swapper/109:50:131
73449950,1cyclictest0-21swapper/109:40:131
73399953,2cyclictest1-21systemd07:50:120
73399950,5cyclictest0-21swapper/007:34:020
73399950,4cyclictest9703-21munin-node08:15:120
73399950,4cyclictest0-21swapper/008:05:120
73399950,1cyclictest12966-21/usr/sbin/munin07:20:140
73399950,0cyclictest0-21swapper/008:55:100
73579943,1cyclictest31832-21taskset08:00:103
73579943,1cyclictest25916-21ntp_states07:45:183
73579942,1cyclictest693-21runrttasks07:35:123
73579940,3cyclictest0-21swapper/308:45:173
73579940,1cyclictest240-21systemd-journal08:30:103
73529944,0cyclictest61650irq/122-eno107:50:122
73449944,0cyclictest0-21swapper/108:10:121
73449941,1cyclictest0-21swapper/107:30:111
73449940,3cyclictest0-21swapper/108:30:171
73449940,2cyclictest0-21swapper/109:32:221
73449940,0cyclictest0-21swapper/108:00:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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