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2026-03-26 - 00:46
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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 Wed Mar 25, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61212215150,21sleep00-21swapper/007:05:340
62542212179,21sleep10-21swapper/107:07:211
43432205167,25sleep30-21swapper/307:05:013
61182200161,26sleep20-21swapper/207:05:322
162892570,0sleep10-21swapper/108:35:161
653499140,13cyclictest0-21swapper/112:30:171
6532991412,1cyclictest9-21ksoftirqd/008:00:010
8272110,0sleep20-21swapper/210:34:312
654299114,3cyclictest61650irq/122-eno109:24:002
654299110,10cyclictest31612-21diskmemload09:10:122
654299100,9cyclictest0-21swapper/210:55:572
653299109,1cyclictest9-21ksoftirqd/010:15:150
653299109,1cyclictest9-21ksoftirqd/010:15:150
653299108,1cyclictest9-21ksoftirqd/007:49:590
65509998,1cyclictest35-21ksoftirqd/311:10:003
65509991,7cyclictest8915-21munin-node11:39:243
65509990,3cyclictest3488-21date11:20:013
65509990,3cyclictest0-21swapper/311:55:123
65429990,8cyclictest21840-21apt-get12:25:112
65349995,4cyclictest203-21jbd2/sda2-807:50:511
65329998,1cyclictest9-21ksoftirqd/007:44:200
65329993,5cyclictest31604-21munin-run09:10:000
65329993,5cyclictest24269-21sed11:05:000
65329990,4cyclictest4974-21ssh10:39:590
65509987,1cyclictest22670-21sh11:44:533
65509986,1cyclictest707-21snmpd12:22:393
65509986,1cyclictest707-21snmpd10:46:093
65509986,1cyclictest707-21snmpd10:40:063
65509986,1cyclictest707-21snmpd09:27:493
65509986,1cyclictest707-21snmpd08:51:393
65509986,1cyclictest707-21snmpd08:30:053
65509986,1cyclictest707-21snmpd07:55:413
65509986,1cyclictest707-21snmpd07:29:063
65509986,1cyclictest17766-21cat07:30:143
65509986,1cyclictest13061-21cat07:20:173
65509982,2cyclictest26808-21/usr/sbin/munin07:50:133
65429986,1cyclictest707-21snmpd09:06:012
65429986,1cyclictest707-21snmpd08:21:142
65429986,1cyclictest61650irq/122-eno111:40:122
65429986,1cyclictest61650irq/122-eno110:12:072
65429985,2cyclictest0-21swapper/209:34:412
65429981,5cyclictest24493-21apt-get11:05:112
65429981,5cyclictest11415-21netstat12:10:162
65429980,7cyclictest0-21swapper/211:32:092
65429980,4cyclictest32069-21ssh11:55:162
65349980,1cyclictest0-21swapper/112:07:171
65329986,1cyclictest707-21snmpd08:41:030
65329986,1cyclictest707-21snmpd07:15:190
65329986,1cyclictest707-21snmpd07:11:210
65329981,6cyclictest30068-21kworker/0:212:13:540
65329981,5cyclictest14225-21ssh10:10:110
65329981,4cyclictest31612-21diskmemload09:20:280
65329980,7cyclictest944-21ssh10:34:510
11229280,0sleep30-21swapper/309:24:573
65509975,1cyclictest707-21snmpd10:35:073
65509975,1cyclictest707-21snmpd10:21:483
65509975,1cyclictest707-21snmpd08:00:023
65509975,1cyclictest707-21snmpd07:46:223
65509975,1cyclictest707-21snmpd07:19:033
65509975,1cyclictest6950-21proc_pri08:15:183
65509975,1cyclictest29567-21ssh11:52:483
65509975,1cyclictest29514-21ssh09:46:203
65509975,1cyclictest20254-21ssh10:16:203
65509975,1cyclictest20254-21ssh10:16:203
65509975,1cyclictest13180-21ssh12:13:193
65509975,0cyclictest31612-21diskmemload09:11:483
65509974,0cyclictest31612-21diskmemload11:10:473
65509973,2cyclictest240-21systemd-journal08:49:593
65509973,1cyclictest693-21runrttasks09:39:223
65509972,1cyclictest31612-21diskmemload11:21:503
65509971,3cyclictest3459-21apt-get09:15:113
65509971,3cyclictest0-21swapper/310:10:133
65509970,4cyclictest9393-21sendmail_mailqu08:20:193
65509970,4cyclictest0-21swapper/311:30:143
65509970,2cyclictest0-21swapper/312:25:123
65429976,1cyclictest61650irq/122-eno112:36:322
65429976,1cyclictest61650irq/122-eno111:26:402
65429976,1cyclictest61650irq/122-eno110:25:132
65429976,1cyclictest61650irq/122-eno110:09:092
65429976,1cyclictest61650irq/122-eno109:50:122
65429976,1cyclictest61650irq/122-eno109:40:422
65429976,1cyclictest61650irq/122-eno107:15:132
65429976,1cyclictest14163-21sh09:27:182
65429975,1cyclictest7422-21ntpq12:05:172
65429975,1cyclictest61650irq/122-eno112:15:102
65429975,1cyclictest61650irq/122-eno110:20:182
65429975,1cyclictest61650irq/122-eno110:00:002
65429975,1cyclictest28502-21ntpq09:45:172
65429975,1cyclictest28-21ksoftirqd/210:47:442
65429972,3cyclictest967-21apt-get08:05:132
65429970,6cyclictest0-21swapper/209:16:582
65429970,6cyclictest0-21swapper/208:16:292
65429970,4cyclictest693-21runrttasks10:18:282
65429970,4cyclictest693-21runrttasks10:18:282
65429970,4cyclictest26765-21missed_timers12:30:172
65429970,1cyclictest4398-21taskset12:00:592
65429970,1cyclictest0-21swapper/211:03:582
65429970,1cyclictest0-21swapper/208:41:092
65349971,6cyclictest0-21swapper/110:58:321
65349970,7cyclictest0-21swapper/112:00:181
65349970,6cyclictest0-21swapper/112:35:101
65349970,6cyclictest0-21swapper/109:40:471
65349970,3cyclictest0-21swapper/109:15:021
65329976,1cyclictest9059-21ssh10:45:100
65329976,1cyclictest707-21snmpd08:48:510
65329976,1cyclictest4502-1kworker/u9:012:19:170
65329976,1cyclictest31639-21ssh11:14:200
65329975,1cyclictest8765-21ssh10:44:580
65329975,1cyclictest707-21snmpd09:10:550
65329975,1cyclictest707-21snmpd08:34:180
65329975,1cyclictest30617-21ssh09:49:150
65329975,1cyclictest28914-21ssh11:51:030
65329975,1cyclictest21569-21perf12:24:590
65329975,1cyclictest19030-21cat07:35:000
65329975,1cyclictest12105-21uniq09:25:130
65329972,5cyclictest7314-21perf09:20:000
65329972,2cyclictest6214-21apt-get12:05:110
65329972,2cyclictest548-21systemd-logind12:00:170
65329971,6cyclictest17540-1kworker/u9:109:31:300
65329970,6cyclictest769-21lldpd08:07:390
65329970,6cyclictest585-21rs:main0
65329970,6cyclictest28165-21ssh10:26:430
65329970,6cyclictest28092-21chrt07:50:500
65329970,6cyclictest26700-21ssh11:06:280
65329970,6cyclictest23417-21ssh09:40:050
65329970,6cyclictest22827-21ssh10:20:160
65329970,6cyclictest19664-21ssh09:35:130
65329970,6cyclictest17079-21ssh11:35:270
65329970,6cyclictest16844-21telnet10:55:110
65329970,6cyclictest0-21swapper/012:30:040
65329970,6cyclictest0-21swapper/011:45:140
65329970,6cyclictest0-21swapper/011:30:110
65329970,6cyclictest0-21swapper/011:15:140
65329970,6cyclictest0-21swapper/010:05:060
65329970,6cyclictest0-21swapper/008:10:540
65329970,4cyclictest31612-21diskmemload11:27:130
65329970,1cyclictest9575-21ssh10:03:410
65329970,1cyclictest6963-21ssh11:24:220
65329970,1cyclictest26727-21sshd08:58:160
65329970,1cyclictest24725-21ssh12:28:150
65329970,1cyclictest22200-21ssh11:43:400
65329970,1cyclictest0-21swapper/011:55:150
65329970,1cyclictest0-21swapper/010:50:110
65509965,1cyclictest9541-21ssh11:26:003
65509965,1cyclictest707-21snmpd11:48:173
65509965,1cyclictest707-21snmpd10:26:453
65509965,1cyclictest632-21ssh09:50:323
65509965,1cyclictest4608-21ssh09:55:483
65509965,1cyclictest29872-21ssh10:30:073
65509965,1cyclictest27951-21ssh12:31:353
65509965,1cyclictest19877-21ssh10:58:473
65509965,1cyclictest16310-21ssh12:16:233
65509965,1cyclictest14130-21ntpq10:50:173
65509965,0cyclictest31612-21diskmemload12:07:023
65509964,1cyclictest707-21snmpd12:00:333
65509964,1cyclictest707-21snmpd07:43:413
65509964,1cyclictest17476-21ssh09:30:373
65509961,1cyclictest11305-21/usr/sbin/munin10:05:153
65509960,4cyclictest7354-21hddtemp_smartct10:00:153
65509960,1cyclictest0-21swapper/312:35:113
65509960,0cyclictest31612-21diskmemload11:00:193
65509960,0cyclictest0-21swapper/309:40:373
65429966,0cyclictest61650irq/122-eno111:54:102
65429966,0cyclictest61650irq/122-eno111:35:082
65429966,0cyclictest61650irq/122-eno110:00:132
65429966,0cyclictest61650irq/122-eno109:35:212
65429966,0cyclictest61650irq/122-eno108:55:102
65429966,0cyclictest61650irq/122-eno108:00:132
65429966,0cyclictest61650irq/122-eno107:46:362
65429966,0cyclictest61650irq/122-eno107:39:312
65429965,1cyclictest707-21snmpd07:33:342
65429965,1cyclictest61650irq/122-eno112:20:152
65429965,1cyclictest61650irq/122-eno111:15:142
65429965,1cyclictest61650irq/122-eno111:10:102
65429965,1cyclictest61650irq/122-eno108:30:122
65429965,1cyclictest61650irq/122-eno107:25:132
65429964,1cyclictest61650irq/122-eno110:50:112
65429964,1cyclictest28-21ksoftirqd/208:27:022
65429964,1cyclictest1999-21fschecks_time10:35:142
65429963,2cyclictest21620-21basename07:40:112
65429963,1cyclictest0-21swapper/211:20:182
65429961,4cyclictest0-21swapper/207:50:122
65429961,1cyclictest23007-21apt-get11:45:122
65429960,6cyclictest0-21swapper/210:41:462
65429960,6cyclictest0-21swapper/209:00:122
65429960,6cyclictest0-21swapper/208:50:012
65429960,1cyclictest9184-21cut07:15:012
65349961,3cyclictest0-21swapper/111:15:121
65349960,6cyclictest0-21swapper/112:13:481
65349960,6cyclictest0-21swapper/111:55:581
65349960,6cyclictest0-21swapper/110:40:151
65349960,6cyclictest0-21swapper/110:31:541
65349960,6cyclictest0-21swapper/110:20:571
65349960,6cyclictest0-21swapper/110:00:061
65349960,6cyclictest0-21swapper/109:52:191
65349960,6cyclictest0-21swapper/109:32:251
65349960,6cyclictest0-21swapper/107:40:151
65349960,5cyclictest0-21swapper/110:46:361
65349960,5cyclictest0-21swapper/109:45:351
65349960,5cyclictest0-21swapper/108:25:171
65349960,5cyclictest0-21swapper/108:12:141
65349960,5cyclictest0-21swapper/107:31:301
65349960,4cyclictest0-21swapper/111:36:541
65349960,4cyclictest0-21swapper/111:30:411
65349960,4cyclictest0-21swapper/111:05:151
65349960,3cyclictest0-21swapper/112:15:281
65349960,3cyclictest0-21swapper/111:13:491
65349960,3cyclictest0-21swapper/109:00:191
65349960,2cyclictest0-21swapper/112:20:111
65349960,1cyclictest0-21swapper/109:05:511
65349960,0cyclictest0-21swapper/110:18:461
65349960,0cyclictest0-21swapper/110:18:461
65349960,0cyclictest0-21swapper/109:24:561
65329965,1cyclictest9-21ksoftirqd/007:28:220
65329965,1cyclictest707-21snmpd12:35:020
65329965,1cyclictest707-21snmpd08:16:500
65329965,1cyclictest32022-21hddtemp_smartct09:50:150
65329965,1cyclictest2662-21ssh09:55:090
65329964,1cyclictest707-21snmpd08:24:290
65329964,1cyclictest707-21snmpd07:35:570
65329964,1cyclictest707-21snmpd07:24:360
65329960,6cyclictest0-21swapper/009:04:170
65329960,6cyclictest0-21swapper/008:25:130
65329960,5cyclictest0-21swapper/008:00:100
65509953,1cyclictest17464-21perf08:40:003
65509951,1cyclictest29117-21seq09:03:263
65509950,5cyclictest0-21swapper/308:27:053
65509950,4cyclictest19667-21expr07:35:123
65429955,0cyclictest61650irq/122-eno107:55:102
65429954,1cyclictest61650irq/122-eno107:20:192
65429953,1cyclictest3578-21tr08:10:142
65429950,4cyclictest20626-21fschecks_count08:45:142
65429950,4cyclictest0-21swapper/208:35:132
65349953,1cyclictest150392sleep110:51:121
65349951,1cyclictest0-21swapper/111:20:161
65349951,1cyclictest0-21swapper/107:39:041
65349951,0cyclictest0-21swapper/110:35:121
65349950,5cyclictest0-21swapper/111:03:231
65349950,5cyclictest0-21swapper/108:55:451
65349950,5cyclictest0-21swapper/107:57:041
65349950,5cyclictest0-21swapper/107:45:161
65349950,4cyclictest0-21swapper/111:49:281
65349950,3cyclictest0-21swapper/111:41:531
65349950,2cyclictest0-21swapper/112:25:101
65349950,2cyclictest0-21swapper/111:51:131
65349950,2cyclictest0-21swapper/110:26:311
65349950,2cyclictest0-21swapper/109:11:101
65349950,1cyclictest0-21swapper/109:28:181
65349950,1cyclictest0-21swapper/108:20:131
65349950,0cyclictest0-21swapper/111:25:491
65349950,0cyclictest0-21swapper/110:11:471
65349950,0cyclictest0-21swapper/109:39:111
17690250,0sleep30-21swapper/308:40:083
65509942,1cyclictest966-21apt08:05:123
65509942,1cyclictest693-21runrttasks08:10:053
65509941,1cyclictest6749-21apt-get07:10:113
65509941,1cyclictest29488-21apt-get09:05:113
65509940,2cyclictest240-21systemd-journal08:59:563
65349944,0cyclictest0-21swapper/109:55:101
65349944,0cyclictest0-21swapper/107:20:151
65349943,1cyclictest0-21swapper/108:30:201
65349942,1cyclictest16583-21chrt07:29:241
65349940,4cyclictest0-21swapper/108:05:201
65349940,3cyclictest0-21swapper/108:50:121
65349940,3cyclictest0-21swapper/107:15:121
65349940,2cyclictest0-21swapper/110:05:121
65349940,2cyclictest0-21swapper/108:45:191
65349940,2cyclictest0-21swapper/107:10:121
65349940,0cyclictest0-21swapper/108:15:101
65349940,0cyclictest0-21swapper/108:00:191
65329940,4cyclictest0-21swapper/008:50:130
65349930,1cyclictest0-21swapper/108:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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