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2026-03-09 - 22:34
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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 Mar 09, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315522211152,46sleep20-21swapper/207:08:552
295342207155,40sleep00-21swapper/007:05:110
315982198158,26sleep10-21swapper/107:09:291
313492198157,27sleep30-21swapper/307:06:153
290572600,0sleep30-21swapper/308:10:153
24622420,0sleep30-21swapper/312:05:203
31711992412,12cyclictest57-21kswapd011:40:131
31710991414,0cyclictest9-21ksoftirqd/008:32:040
3172299120,11cyclictest0-21swapper/212:28:522
3171099120,11cyclictest25006-21apt-get09:50:100
3171099119,2cyclictest8345-21apt-get10:10:110
3171099119,1cyclictest9-21ksoftirqd/007:50:010
3171099119,1cyclictest13064-21cut09:35:000
3171099119,1cyclictest0-21swapper/012:12:320
31710991111,0cyclictest31854-21apt-get10:40:100
3172299108,1cyclictest28-21ksoftirqd/208:50:112
3171099109,1cyclictest8550-21ssh11:32:220
3171099109,1cyclictest0-21swapper/012:25:180
3171099109,1cyclictest0-21swapper/010:56:100
3171099109,1cyclictest0-21swapper/010:50:130
3171099109,1cyclictest0-21swapper/008:25:110
3171099109,1cyclictest0-21swapper/007:30:140
3171099108,2cyclictest0-21swapper/009:20:120
3171099108,1cyclictest23459-21ssh12:33:410
3171099108,1cyclictest0-21swapper/008:15:150
3171099102,8cyclictest9-21ksoftirqd/012:24:040
3171099102,8cyclictest9-21ksoftirqd/009:47:390
3171099102,8cyclictest9-21ksoftirqd/009:12:150
317249990,5cyclictest31930-21apt-get07:10:113
317229997,1cyclictest28-21ksoftirqd/207:30:002
317229995,1cyclictest4782-21/usr/sbin/munin08:25:202
317229990,1cyclictest0-21swapper/209:05:162
317109999,0cyclictest9-21ksoftirqd/012:05:510
317109999,0cyclictest9-21ksoftirqd/012:03:420
317109999,0cyclictest9-21ksoftirqd/011:51:290
317109999,0cyclictest9-21ksoftirqd/011:46:050
317109999,0cyclictest9-21ksoftirqd/011:35:360
317109999,0cyclictest9-21ksoftirqd/011:20:300
317109999,0cyclictest9-21ksoftirqd/011:15:020
317109999,0cyclictest9-21ksoftirqd/011:11:550
317109999,0cyclictest9-21ksoftirqd/011:02:250
317109999,0cyclictest9-21ksoftirqd/010:48:230
317109999,0cyclictest9-21ksoftirqd/010:48:230
317109999,0cyclictest9-21ksoftirqd/010:37:120
317109999,0cyclictest9-21ksoftirqd/010:26:450
317109999,0cyclictest9-21ksoftirqd/010:21:210
317109999,0cyclictest9-21ksoftirqd/010:15:070
317109999,0cyclictest9-21ksoftirqd/010:00:580
317109999,0cyclictest9-21ksoftirqd/009:57:170
317109999,0cyclictest9-21ksoftirqd/009:15:090
317109999,0cyclictest9-21ksoftirqd/009:05:220
317109999,0cyclictest9-21ksoftirqd/009:03:260
317109999,0cyclictest9-21ksoftirqd/008:55:170
317109999,0cyclictest9-21ksoftirqd/008:50:590
317109999,0cyclictest9-21ksoftirqd/008:43:430
317109999,0cyclictest9-21ksoftirqd/008:21:230
317109999,0cyclictest9-21ksoftirqd/008:07:040
317109999,0cyclictest9-21ksoftirqd/007:53:300
317109999,0cyclictest9-21ksoftirqd/007:21:120
317109999,0cyclictest9-21ksoftirqd/007:12:230
317109998,1cyclictest0-21swapper/012:35:190
317109998,1cyclictest0-21swapper/009:25:310
317109997,2cyclictest0-21swapper/007:40:000
317109995,4cyclictest0-21swapper/009:43:120
317109992,0cyclictest9-21ksoftirqd/011:41:090
317109992,0cyclictest9-21ksoftirqd/008:00:460
317109991,8cyclictest9-21ksoftirqd/012:15:490
317109991,8cyclictest0-21swapper/011:55:030
317109990,8cyclictest9-21ksoftirqd/010:30:090
317109990,8cyclictest9-21ksoftirqd/008:35:310
317249988,0cyclictest0-21swapper/310:40:153
317249987,1cyclictest35-21ksoftirqd/308:40:103
317249986,1cyclictest707-21snmpd11:50:283
317249986,1cyclictest707-21snmpd10:24:433
317249986,1cyclictest707-21snmpd09:46:273
317249986,1cyclictest19795-21cat11:05:153
317249984,2cyclictest240-21systemd-journal10:04:553
317249982,2cyclictest11992-21apt-get07:35:123
317249981,6cyclictest24575-21diskmemload12:34:243
317249981,4cyclictest17487-21fschecks_count07:45:133
317249981,3cyclictest19272-21apt-get07:50:113
317229986,1cyclictest707-21snmpd12:21:232
317229986,1cyclictest707-21snmpd11:53:462
317229986,1cyclictest707-21snmpd09:53:422
317229986,1cyclictest61650irq/122-eno112:00:182
317229986,1cyclictest61650irq/122-eno111:55:172
317229986,1cyclictest61650irq/122-eno111:15:142
317229986,1cyclictest61650irq/122-eno111:05:102
317229986,1cyclictest61650irq/122-eno110:48:082
317229986,1cyclictest61650irq/122-eno110:48:072
317229986,1cyclictest61650irq/122-eno110:10:002
317229986,1cyclictest61650irq/122-eno109:25:152
317229984,2cyclictest240-21systemd-journal12:40:002
317229980,8cyclictest0-21swapper/209:39:012
317229980,5cyclictest28-21ksoftirqd/212:10:112
317109988,0cyclictest9-21ksoftirqd/008:10:020
317109988,0cyclictest9-21ksoftirqd/007:40:010
317109988,0cyclictest9-21ksoftirqd/007:25:020
317109988,0cyclictest9-21ksoftirqd/007:15:030
317109980,8cyclictest9-21ksoftirqd/011:25:080
317109980,8cyclictest9-21ksoftirqd/011:05:020
317109980,8cyclictest9-21ksoftirqd/010:05:030
317109980,8cyclictest9-21ksoftirqd/009:35:500
317109980,8cyclictest9-21ksoftirqd/008:45:000
317109980,8cyclictest9-21ksoftirqd/007:55:000
317249976,1cyclictest707-21snmpd12:29:573
317249976,1cyclictest707-21snmpd09:32:563
317249976,1cyclictest35-21ksoftirqd/307:45:003
317249975,1cyclictest707-21snmpd12:39:123
317249975,1cyclictest707-21snmpd11:02:363
317249975,1cyclictest707-21snmpd10:26:013
317249975,1cyclictest707-21snmpd08:46:053
317249975,1cyclictest707-21snmpd08:29:393
317249975,1cyclictest707-21snmpd07:59:393
317249975,1cyclictest707-21snmpd07:17:073
317249975,1cyclictest7027-21ssh12:11:483
317249975,1cyclictest1911-21cat08:20:153
317249975,1cyclictest17081-21ssh11:44:213
317249975,1cyclictest16962-21run-parts09:40:013
317249974,1cyclictest24575-21diskmemload10:16:133
317249974,0cyclictest24575-21diskmemload11:35:433
317249973,2cyclictest31061-21apt-get08:15:133
317249973,1cyclictest10008-21switchtime12:15:203
317249970,7cyclictest1518-21memory09:20:153
317249970,6cyclictest9504-21ssh10:51:353
317249970,3cyclictest0-21swapper/311:20:113
317249970,2cyclictest0-21swapper/309:17:233
317249970,1cyclictest240-21systemd-journal10:49:563
317249970,1cyclictest240-21systemd-journal10:49:553
317249970,1cyclictest0-21swapper/310:10:123
317229976,1cyclictest707-21snmpd07:12:192
317229976,1cyclictest61650irq/122-eno111:30:212
317229976,1cyclictest61650irq/122-eno111:10:192
317229976,1cyclictest61650irq/122-eno111:00:112
317229976,1cyclictest61650irq/122-eno109:20:132
317229976,1cyclictest61650irq/122-eno109:00:182
317229976,0cyclictest61650irq/122-eno111:20:142
317229975,1cyclictest707-21snmpd12:31:452
317229975,1cyclictest707-21snmpd11:36:282
317229975,1cyclictest707-21snmpd10:55:512
317229975,1cyclictest61650irq/122-eno111:45:152
317229975,1cyclictest61650irq/122-eno110:35:142
317229975,1cyclictest61650irq/122-eno107:40:002
317229974,2cyclictest569-21nscd10:00:032
317229973,1cyclictest240-21systemd-journal08:24:592
317229971,6cyclictest0-21swapper/208:43:312
317229971,1cyclictest12740-21sh09:34:522
317229970,6cyclictest0-21swapper/211:28:182
317229970,1cyclictest0-21swapper/208:37:162
317119976,1cyclictest0-21swapper/112:21:361
317119971,2cyclictest0-21swapper/110:23:581
317119970,5cyclictest0-21swapper/112:35:111
317119970,4cyclictest0-21swapper/110:05:201
317119970,2cyclictest0-21swapper/109:15:111
317119970,1cyclictest227022sleep112:31:461
317119970,1cyclictest0-21swapper/111:27:161
317119970,1cyclictest0-21swapper/110:50:141
317119970,1cyclictest0-21swapper/109:51:071
317249965,1cyclictest707-21snmpd11:56:313
317249965,1cyclictest6813-21ssh09:26:133
317249965,1cyclictest6513-21ssh10:06:013
317249965,1cyclictest6079-21ntpq07:20:163
317249965,1cyclictest4364-21ssh11:26:363
317249965,1cyclictest30844-21ssh10:38:143
317249965,1cyclictest26762-21ssh10:32:423
317249965,1cyclictest26616-21ssh11:15:023
317249965,1cyclictest25808-21ssh09:10:183
317249965,1cyclictest22722-21ssh11:10:013
317249965,1cyclictest19735-21ssh09:42:073
317249964,1cyclictest707-21snmpd12:01:113
317249964,1cyclictest707-21snmpd07:25:043
317249964,1cyclictest35-21ksoftirqd/308:34:223
317249964,1cyclictest35-21ksoftirqd/307:35:003
317249964,1cyclictest29089-21apt-get09:55:103
317249964,1cyclictest27514-21ntp_states08:05:153
317249964,1cyclictest13614-21ntp_kernel_pll_12:20:193
317249962,2cyclictest240-21systemd-journal10:59:553
317249960,6cyclictest25046-21ssh09:50:123
317249960,4cyclictest15366-21apt-get08:50:123
317249960,2cyclictest8083-21apt-get08:35:113
317229966,0cyclictest61650irq/122-eno112:15:432
317229966,0cyclictest61650irq/122-eno112:07:412
317229966,0cyclictest61650irq/122-eno110:50:192
317229966,0cyclictest61650irq/122-eno110:28:072
317229966,0cyclictest61650irq/122-eno110:20:122
317229966,0cyclictest61650irq/122-eno110:15:102
317229966,0cyclictest61650irq/122-eno110:10:112
317229966,0cyclictest61650irq/122-eno109:55:442
317229966,0cyclictest61650irq/122-eno109:40:152
317229966,0cyclictest61650irq/122-eno109:15:322
317229966,0cyclictest61650irq/122-eno109:10:022
317229966,0cyclictest61650irq/122-eno108:55:112
317229966,0cyclictest61650irq/122-eno108:46:002
317229966,0cyclictest61650irq/122-eno108:15:222
317229966,0cyclictest61650irq/122-eno108:14:102
317229966,0cyclictest61650irq/122-eno108:05:192
317229966,0cyclictest61650irq/122-eno107:21:502
317229965,1cyclictest61650irq/122-eno108:00:212
317229965,0cyclictest61650irq/122-eno110:40:142
317229964,1cyclictest61650irq/122-eno111:40:142
317229964,1cyclictest61650irq/122-eno110:30:112
317229964,1cyclictest61650irq/122-eno109:45:142
317229964,1cyclictest61650irq/122-eno108:30:102
317229964,1cyclictest28-21ksoftirqd/207:40:122
317119961,3cyclictest0-21swapper/108:15:131
317119960,6cyclictest0-21swapper/110:14:571
317119960,6cyclictest0-21swapper/110:04:231
317119960,6cyclictest0-21swapper/109:46:331
317119960,6cyclictest0-21swapper/107:50:141
317119960,5cyclictest0-21swapper/111:24:541
317119960,5cyclictest0-21swapper/109:20:021
317119960,5cyclictest0-21swapper/109:01:461
317119960,5cyclictest0-21swapper/108:50:111
317119960,4cyclictest0-21swapper/109:05:111
317119960,3cyclictest0-21swapper/111:05:211
317249955,0cyclictest0-21swapper/308:59:233
317249954,1cyclictest20092-21apt-get09:00:103
317249953,1cyclictest693-21runrttasks09:05:183
317249952,2cyclictest19982-21ssh11:46:503
317249951,1cyclictest25861-21seq08:01:543
317249950,1cyclictest0-21swapper/311:30:213
317229954,1cyclictest707-21snmpd07:56:322
317229953,1cyclictest169162sleep207:45:112
317229950,4cyclictest3980-21ls07:15:192
317229950,2cyclictest0-21swapper/207:30:102
317229950,1cyclictest0-21swapper/207:50:112
317119955,0cyclictest0-21swapper/112:13:371
317119955,0cyclictest0-21swapper/111:16:091
317119955,0cyclictest0-21swapper/109:35:461
317119955,0cyclictest0-21swapper/109:25:341
317119953,1cyclictest29372-21taskset10:35:181
317119950,5cyclictest0-21swapper/112:09:321
317119950,5cyclictest0-21swapper/112:04:051
317119950,5cyclictest0-21swapper/111:50:341
317119950,5cyclictest0-21swapper/110:45:531
317119950,5cyclictest0-21swapper/110:45:531
317119950,5cyclictest0-21swapper/108:44:351
317119950,5cyclictest0-21swapper/108:14:571
317119950,5cyclictest0-21swapper/108:05:021
317119950,5cyclictest0-21swapper/107:58:421
317119950,4cyclictest16110-21chrt07:40:201
317119950,4cyclictest0-21swapper/111:33:061
317119950,4cyclictest0-21swapper/108:00:161
317119950,3cyclictest0-21swapper/111:55:171
317119950,3cyclictest0-21swapper/110:44:051
317119950,3cyclictest0-21swapper/109:13:461
317119950,3cyclictest0-21swapper/107:10:111
317119950,2cyclictest0-21swapper/112:18:411
317119950,2cyclictest0-21swapper/109:55:141
317119950,2cyclictest0-21swapper/107:18:471
317119950,1cyclictest0-21swapper/111:10:231
317119950,1cyclictest0-21swapper/110:25:141
317119950,1cyclictest0-21swapper/109:32:081
317119950,1cyclictest0-21swapper/108:25:121
317119950,0cyclictest0-21swapper/111:45:561
317119950,0cyclictest0-21swapper/110:55:161
317119950,0cyclictest0-21swapper/110:30:191
317119944,0cyclictest0-21swapper/107:46:131
317119942,1cyclictest9132-21chrt07:26:431
317119942,1cyclictest0-21swapper/111:00:171
317119942,1cyclictest0-21swapper/108:55:251
317119942,1cyclictest0-21swapper/108:30:121
317119940,4cyclictest0-21swapper/111:35:191
317119940,4cyclictest0-21swapper/107:20:181
317119940,3cyclictest0-21swapper/112:25:201
317119940,3cyclictest0-21swapper/108:45:151
317119940,1cyclictest0-21swapper/110:15:231
317119940,1cyclictest0-21swapper/107:35:151
317119940,0cyclictest0-21swapper/109:40:191
317119940,0cyclictest0-21swapper/108:35:421
317119940,0cyclictest0-21swapper/108:22:431
317119940,0cyclictest0-21swapper/107:32:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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