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2026-05-29 - 17:42
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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 Fri May 29, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40012213152,22sleep30-21swapper/307:09:283
37902210177,21sleep00-21swapper/007:06:440
39132209171,25sleep20-21swapper/207:08:202
38062198159,26sleep10-21swapper/107:06:581
65921070,0sleep20-21swapper/210:58:322
412799246,18cyclictest0-21swapper/009:32:560
413599180,18cyclictest0-21swapper/109:32:561
91292160,1sleep013794-21diskmemload11:10:110
4127991616,0cyclictest9-21ksoftirqd/011:05:400
4144991514,1cyclictest689-21decode-dimms09:32:552
4127991515,0cyclictest9-21ksoftirqd/012:30:500
4127991515,0cyclictest9-21ksoftirqd/009:58:080
412799145,8cyclictest9-21ksoftirqd/011:17:290
4127991414,0cyclictest9-21ksoftirqd/011:56:160
4127991414,0cyclictest9-21ksoftirqd/011:26:110
4127991414,0cyclictest9-21ksoftirqd/010:28:320
4127991414,0cyclictest9-21ksoftirqd/010:09:430
4127991414,0cyclictest9-21ksoftirqd/009:24:020
4127991412,2cyclictest9-21ksoftirqd/010:37:260
4152991312,1cyclictest689-21decode-dimms09:32:563
414499130,3cyclictest3104-21sh11:00:212
412799138,4cyclictest9-21ksoftirqd/011:00:400
412799137,6cyclictest9-21ksoftirqd/010:51:560
412799137,5cyclictest9-21ksoftirqd/009:25:060
412799136,7cyclictest9-21ksoftirqd/009:12:190
4127991313,0cyclictest9-21ksoftirqd/012:37:190
4127991313,0cyclictest9-21ksoftirqd/012:37:180
4127991313,0cyclictest9-21ksoftirqd/012:27:240
414499125,0cyclictest61650irq/122-eno110:05:452
414499121,2cyclictest22371-21gltestperf10:00:142
414499121,1cyclictest30319-21ntp_states10:10:192
414499120,3cyclictest13794-21diskmemload11:29:532
412799123,4cyclictest27896-21latency_hist08:20:010
4127991212,0cyclictest9-21ksoftirqd/012:16:100
4127991212,0cyclictest9-21ksoftirqd/012:09:260
4127991212,0cyclictest9-21ksoftirqd/011:44:200
4127991211,1cyclictest9-21ksoftirqd/012:01:480
414499116,4cyclictest1029-21snmpd08:40:092
414499115,1cyclictest12591-21ssh09:46:192
414499114,1cyclictest61650irq/122-eno112:20:192
414499114,1cyclictest0-21swapper/211:50:152
414499113,2cyclictest26195-21idleruntime-cro10:50:012
414499110,2cyclictest240-21systemd-journal12:00:002
414499110,2cyclictest240-21systemd-journal07:55:002
414499110,2cyclictest240-21systemd-journal07:30:012
414499110,1cyclictest0-21swapper/209:21:372
4127991111,0cyclictest9-21ksoftirqd/012:10:170
4127991111,0cyclictest9-21ksoftirqd/011:50:140
4127991111,0cyclictest9-21ksoftirqd/010:33:180
4127991111,0cyclictest9-21ksoftirqd/010:00:100
4127991111,0cyclictest9-21ksoftirqd/009:43:560
4127991111,0cyclictest9-21ksoftirqd/008:25:140
4127991110,1cyclictest9-21ksoftirqd/011:20:110
4127991110,0cyclictest9-21ksoftirqd/010:45:200
414499108,1cyclictest28-21ksoftirqd/207:40:002
414499104,1cyclictest61650irq/122-eno109:05:132
414499103,1cyclictest20665-21timerwakeupswit10:40:202
414499103,1cyclictest11540-21date10:30:002
414499102,1cyclictest28192-21cut11:35:132
414499100,2cyclictest240-21systemd-journal12:36:472
414499100,2cyclictest240-21systemd-journal12:36:462
414499100,1cyclictest2221-21/usr/sbin/munin08:45:142
412799108,1cyclictest9-21ksoftirqd/007:45:000
412799107,2cyclictest0-21swapper/008:00:200
412799106,3cyclictest28842-21apt-get12:20:110
412799105,5cyclictest9-21ksoftirqd/007:30:170
412799103,7cyclictest9-21ksoftirqd/009:15:390
412799102,8cyclictest9-21ksoftirqd/008:36:030
4127991010,0cyclictest9-21ksoftirqd/011:49:080
4127991010,0cyclictest9-21ksoftirqd/010:55:190
4127991010,0cyclictest9-21ksoftirqd/010:40:190
4127991010,0cyclictest9-21ksoftirqd/010:21:150
4127991010,0cyclictest9-21ksoftirqd/010:14:300
4127991010,0cyclictest9-21ksoftirqd/009:45:010
4127991010,0cyclictest9-21ksoftirqd/009:35:120
412799101,8cyclictest9-21ksoftirqd/007:20:140
41529998,1cyclictest35-21ksoftirqd/312:30:013
41529992,4cyclictest548-21systemd-logind12:18:593
41529990,5cyclictest7889-21apt-get10:25:123
41529990,5cyclictest13794-21diskmemload11:40:173
41449998,1cyclictest28-21ksoftirqd/211:49:012
41449996,3cyclictest61650irq/122-eno111:11:332
41449995,3cyclictest61650irq/122-eno112:29:422
41449995,0cyclictest61650irq/122-eno109:50:172
41449994,1cyclictest1029-21snmpd10:51:062
41449993,0cyclictest61650irq/122-eno112:32:592
41449990,7cyclictest6499-21munin-node10:16:402
41449990,4cyclictest0-21swapper/211:05:182
41449990,1cyclictest240-21systemd-journal12:19:012
41449990,1cyclictest16197-21if_eno110:35:152
41359990,8cyclictest0-21swapper/112:21:371
41359990,1cyclictest0-21swapper/112:05:101
41279999,0cyclictest9-21ksoftirqd/011:37:020
41279997,1cyclictest9-21ksoftirqd/007:50:070
41279996,3cyclictest9-21ksoftirqd/011:30:150
41279996,2cyclictest0-21swapper/010:15:200
41279993,6cyclictest9-21ksoftirqd/007:38:510
41279992,7cyclictest9-21ksoftirqd/008:53:480
41279992,4cyclictest0-21swapper/009:53:040
41279991,8cyclictest9-21ksoftirqd/007:29:430
41279991,1cyclictest9-21ksoftirqd/008:45:110
41279990,9cyclictest9-21ksoftirqd/007:16:070
21012290,0sleep30-21swapper/310:40:513
16939290,0sleep30-21swapper/312:04:013
41529987,1cyclictest35-21ksoftirqd/307:20:013
41529987,1cyclictest1747-21ntpd11:22:293
41529986,1cyclictest1029-21snmpd11:58:163
41529986,1cyclictest1029-21snmpd09:44:283
41529986,1cyclictest1029-21snmpd09:35:323
41529986,1cyclictest1029-21snmpd09:16:253
41529981,4cyclictest22710-21sh10:45:023
41529980,7cyclictest0-21swapper/310:55:583
41529980,6cyclictest4329-21apt-get07:10:083
41529980,2cyclictest240-21systemd-journal08:54:593
41449986,2cyclictest61650irq/122-eno109:03:552
41449986,1cyclictest28-21ksoftirqd/207:10:092
41449986,1cyclictest1029-21snmpd12:09:342
41449986,1cyclictest1029-21snmpd12:01:012
41449986,1cyclictest1029-21snmpd08:39:152
41449985,0cyclictest61650irq/122-eno112:11:432
41449985,0cyclictest61650irq/122-eno111:15:152
41449985,0cyclictest61650irq/122-eno110:21:372
41449985,0cyclictest61650irq/122-eno109:38:462
41449985,0cyclictest61650irq/122-eno109:17:552
41449981,6cyclictest0-21swapper/208:55:492
41449980,4cyclictest0-21swapper/211:20:132
41359980,4cyclictest0-21swapper/110:45:181
41279987,1cyclictest9-21ksoftirqd/008:05:100
41279980,8cyclictest9-21ksoftirqd/009:00:200
41279980,8cyclictest9-21ksoftirqd/008:56:280
41279980,8cyclictest9-21ksoftirqd/008:40:010
41279980,8cyclictest9-21ksoftirqd/008:30:400
41279980,8cyclictest9-21ksoftirqd/008:20:060
41279980,8cyclictest9-21ksoftirqd/008:11:330
41279980,8cyclictest9-21ksoftirqd/007:55:030
41279980,8cyclictest9-21ksoftirqd/007:10:170
41279980,8cyclictest0-21swapper/009:05:060
41279980,0cyclictest9-21ksoftirqd/007:46:040
20945280,1sleep121-21ksoftirqd/111:25:141
9502275,1sleep228-21ksoftirqd/207:20:222
41529976,1cyclictest16213-21cat10:35:153
41529976,1cyclictest1029-21snmpd12:39:173
41529976,1cyclictest1029-21snmpd12:39:173
41529975,1cyclictest8905-21cat07:20:153
41529975,1cyclictest35-21ksoftirqd/309:25:253
41529975,1cyclictest28796-21ssh12:20:023
41529975,1cyclictest1029-21snmpd11:06:293
41529975,1cyclictest1029-21snmpd09:03:283
41529975,1cyclictest1029-21snmpd08:04:373
41529975,1cyclictest1029-21snmpd07:37:583
41529975,1cyclictest1029-21snmpd07:31:413
41529974,1cyclictest13650irq/124-ahci[0008:39:543
41529971,5cyclictest35-21ksoftirqd/309:10:013
41529971,4cyclictest11591-21/usr/sbin/munin10:30:213
41529971,3cyclictest21820-21apt-get09:20:113
41529971,2cyclictest0-21swapper/310:00:123
41529970,4cyclictest3106-21fschecks_time11:45:143
41529970,3cyclictest0-21swapper/311:30:133
41529970,3cyclictest0-21swapper/310:13:033
41529970,1cyclictest1689-21grep10:15:183
41449976,1cyclictest61650irq/122-eno109:42:162
41449975,1cyclictest61650irq/122-eno111:40:152
41449975,0cyclictest61650irq/122-eno108:12:092
41449974,0cyclictest61650irq/122-eno108:50:152
41449974,0cyclictest61650irq/122-eno108:05:012
41449971,6cyclictest0-21swapper/210:30:092
41449971,3cyclictest13794-21diskmemload09:55:172
41449970,3cyclictest23773-21apt-get11:30:132
41359971,3cyclictest0-21swapper/111:55:131
41359970,6cyclictest0-21swapper/112:33:231
41359970,4cyclictest0-21swapper/109:17:321
41359970,3cyclictest0-21swapper/112:10:121
41359970,2cyclictest0-21swapper/107:30:111
41359970,1cyclictest0-21swapper/111:53:031
41359970,1cyclictest0-21swapper/111:32:291
41359970,1cyclictest0-21swapper/110:06:141
9947260,0sleep10-21swapper/112:36:491
9947260,0sleep10-21swapper/112:36:481
7818260,0sleep10-21swapper/108:55:141
41529965,1cyclictest8312-21ssh11:50:423
41529965,1cyclictest28623-21ntpq11:35:163
41529965,1cyclictest28461-21ssh10:50:543
41529965,1cyclictest22657-21ssh12:10:183
41529965,1cyclictest21917-21ssh11:25:283
41529965,1cyclictest13210-21ssh09:48:043
41529965,1cyclictest1029-21snmpd07:57:293
41529964,1cyclictest4989-21hddtemp_smartct10:20:153
41529964,1cyclictest35-21ksoftirqd/308:15:013
41529964,1cyclictest2774-21pmu-power11:00:193
41529964,1cyclictest10719-21ssh11:10:223
41529964,1cyclictest1029-21snmpd08:57:223
41529964,1cyclictest1029-21snmpd08:43:263
41529964,1cyclictest1029-21snmpd08:21:143
41529963,2cyclictest4369-21cat12:30:143
41529963,1cyclictest240-21systemd-journal07:45:003
41529963,0cyclictest13794-21diskmemload12:06:083
41529961,4cyclictest14184-21apt-get09:50:113
41529961,3cyclictest10769-21munin-run07:30:003
41529961,2cyclictest0-21swapper/309:55:213
41529960,5cyclictest1029-21snmpd11:17:593
41529960,3cyclictest0-21swapper/309:10:433
41529960,1cyclictest0-21swapper/310:05:483
41449966,0cyclictest61650irq/122-eno108:26:092
41449966,0cyclictest61650irq/122-eno108:18:052
41449966,0cyclictest61650irq/122-eno107:49:042
41449965,1cyclictest61650irq/122-eno109:25:012
41449965,1cyclictest61650irq/122-eno109:10:202
41449965,0cyclictest61650irq/122-eno107:30:102
41449964,1cyclictest20160-21apt-get08:00:102
41449960,1cyclictest14188-21/usr/sbin/munin07:40:162
41359961,4cyclictest32149-21chrt10:13:521
41359960,6cyclictest0-21swapper/111:01:311
41359960,6cyclictest0-21swapper/110:59:041
41359960,6cyclictest0-21swapper/109:52:511
41359960,6cyclictest0-21swapper/108:49:491
41359960,6cyclictest0-21swapper/108:22:001
41359960,6cyclictest0-21swapper/107:12:361
41359960,5cyclictest0-21swapper/110:40:361
41359960,5cyclictest0-21swapper/109:03:371
41359960,4cyclictest0-21swapper/110:35:111
41359960,4cyclictest0-21swapper/110:02:081
41359960,3cyclictest0-21swapper/111:15:111
41359960,2cyclictest0-21swapper/111:44:061
41359960,2cyclictest0-21swapper/111:35:221
41359960,1cyclictest0-21swapper/109:25:211
41359960,1cyclictest0-21swapper/109:10:391
41359960,1cyclictest0-21swapper/108:36:591
41359960,1cyclictest0-21swapper/108:25:141
41359960,1cyclictest0-21swapper/107:26:031
41529953,1cyclictest1029-21snmpd08:08:103
41529953,1cyclictest1029-21snmpd07:45:383
41529952,1cyclictest2224-21apt-get08:45:083
41529950,4cyclictest19158-21seq07:53:343
41529950,2cyclictest31476-21latency_hist08:35:003
41449954,1cyclictest61650irq/122-eno108:20:102
41449953,1cyclictest6745-21date07:15:002
41449950,4cyclictest19922-21perf08:00:002
41449950,2cyclictest240-21systemd-journal08:34:592
41359955,0cyclictest0-21swapper/109:37:301
41359955,0cyclictest0-21swapper/108:14:531
41359954,0cyclictest0-21swapper/107:20:121
41359951,2cyclictest0-21swapper/112:00:191
41359951,1cyclictest0-21swapper/108:00:111
41359950,5cyclictest0-21swapper/111:10:341
41359950,5cyclictest0-21swapper/109:20:591
41359950,5cyclictest0-21swapper/108:31:301
41359950,5cyclictest0-21swapper/108:19:561
41359950,5cyclictest0-21swapper/107:17:381
41359950,4cyclictest0-21swapper/112:15:111
41359950,3cyclictest0-21swapper/111:45:161
41359950,3cyclictest0-21swapper/110:25:371
41359950,3cyclictest0-21swapper/109:40:131
41359950,2cyclictest0-21swapper/112:25:271
41359950,2cyclictest0-21swapper/110:30:291
41359950,2cyclictest0-21swapper/109:56:191
41359950,2cyclictest0-21swapper/107:39:591
41359950,1cyclictest0-21swapper/111:20:461
41359950,1cyclictest0-21swapper/107:41:171
41359950,0cyclictest0-21swapper/110:53:561
41359950,0cyclictest0-21swapper/110:20:141
10400250,0sleep10-21swapper/109:45:021
41529942,1cyclictest29023-21expr08:25:133
41529940,3cyclictest25686-21apt-get08:15:103
41359944,0cyclictest0-21swapper/108:42:121
41359944,0cyclictest0-21swapper/107:51:411
41359941,2cyclictest0-21swapper/110:15:111
41359940,4cyclictest0-21swapper/109:09:341
41359940,3cyclictest0-21swapper/107:58:071
41359940,2cyclictest0-21swapper/111:05:211
41359940,1cyclictest0-21swapper/107:46:141
41359940,0cyclictest0-21swapper/108:50:191
41359930,3cyclictest0-21swapper/108:05:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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