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2026-05-05 - 17:26
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Tue May 05, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73882213157,25sleep10-21swapper/107:07:211
73082211160,25sleep30-21swapper/307:06:203
73392200162,25sleep20-21swapper/207:06:422
72852197159,25sleep00-21swapper/007:05:590
298992630,0sleep30-21swapper/309:00:213
115622630,0sleep10-21swapper/110:15:001
98392610,0sleep30-21swapper/310:10:423
7668991312,1cyclictest28-21ksoftirqd/209:35:002
7666991312,1cyclictest9-21ksoftirqd/009:55:000
7668991211,1cyclictest28-21ksoftirqd/210:25:112
7668991211,1cyclictest28-21ksoftirqd/208:45:002
7666991210,1cyclictest9-21ksoftirqd/012:05:000
766699120,12cyclictest0-21swapper/008:05:120
7669991110,1cyclictest35-21ksoftirqd/312:30:003
766999110,5cyclictest240-21systemd-journal09:26:513
7666991110,1cyclictest9-21ksoftirqd/008:40:000
7666991110,1cyclictest9-21ksoftirqd/008:05:000
108512110,0sleep10-21swapper/110:55:181
7669991010,0cyclictest35-21ksoftirqd/310:50:003
7669991010,0cyclictest35-21ksoftirqd/310:05:003
766999100,9cyclictest0-21swapper/310:10:003
766899109,1cyclictest28-21ksoftirqd/210:45:122
766899109,1cyclictest28-21ksoftirqd/210:35:132
766899109,1cyclictest28-21ksoftirqd/210:15:112
766899109,1cyclictest28-21ksoftirqd/208:35:002
766899109,1cyclictest28-21ksoftirqd/207:15:002
766899108,1cyclictest28-21ksoftirqd/210:50:132
7668991010,0cyclictest28-21ksoftirqd/209:14:122
766799100,9cyclictest0-21swapper/110:30:141
766699109,1cyclictest9-21ksoftirqd/012:15:010
766699109,1cyclictest9-21ksoftirqd/009:35:150
766699108,1cyclictest9-21ksoftirqd/011:55:000
766699108,1cyclictest9-21ksoftirqd/009:05:130
766699108,1cyclictest153392sleep009:27:510
766699103,3cyclictest28217-21perf11:20:000
766699100,7cyclictest10557-21ssh11:39:250
766699100,3cyclictest240-21systemd-journal08:54:550
76699999,0cyclictest35-21ksoftirqd/309:35:013
76699999,0cyclictest35-21ksoftirqd/308:20:003
76699998,1cyclictest35-21ksoftirqd/312:00:013
76699998,1cyclictest35-21ksoftirqd/311:05:003
76699998,1cyclictest35-21ksoftirqd/310:15:093
76699998,1cyclictest35-21ksoftirqd/309:35:143
76699998,1cyclictest35-21ksoftirqd/307:40:023
76699997,1cyclictest35-21ksoftirqd/310:55:003
76699990,6cyclictest26162-21taskset10:33:393
76689998,1cyclictest28-21ksoftirqd/211:45:122
76689998,1cyclictest28-21ksoftirqd/209:24:412
76689998,1cyclictest28-21ksoftirqd/208:50:142
76689998,1cyclictest28-21ksoftirqd/208:00:152
76689998,0cyclictest28-21ksoftirqd/211:41:112
76689997,1cyclictest28-21ksoftirqd/211:10:122
76689997,1cyclictest28-21ksoftirqd/208:55:132
76689997,1cyclictest28-21ksoftirqd/208:45:162
76679990,8cyclictest0-21swapper/111:51:171
76679990,8cyclictest0-21swapper/111:05:161
76669999,0cyclictest9-21ksoftirqd/011:35:000
76669998,1cyclictest9-21ksoftirqd/010:20:110
76669997,1cyclictest9-21ksoftirqd/009:05:000
76669997,1cyclictest9-21ksoftirqd/007:40:000
76669990,4cyclictest4310-21sed09:15:000
76699988,0cyclictest35-21ksoftirqd/311:35:173
76699987,1cyclictest35-21ksoftirqd/312:35:123
76699987,1cyclictest35-21ksoftirqd/312:30:173
76699987,1cyclictest35-21ksoftirqd/311:45:013
76699984,2cyclictest5424-21/usr/sbin/munin12:15:153
76689988,0cyclictest28-21ksoftirqd/211:20:122
76689988,0cyclictest28-21ksoftirqd/211:00:192
76689987,1cyclictest28-21ksoftirqd/212:00:142
76689987,1cyclictest28-21ksoftirqd/210:32:142
76689987,1cyclictest28-21ksoftirqd/210:23:562
76689987,1cyclictest28-21ksoftirqd/210:05:182
76689987,1cyclictest28-21ksoftirqd/207:25:132
76689986,1cyclictest61650irq/122-eno112:20:282
76689986,1cyclictest61650irq/122-eno110:02:032
76689986,1cyclictest61650irq/122-eno109:25:152
76689986,1cyclictest28-21ksoftirqd/212:15:152
76689986,1cyclictest28-21ksoftirqd/210:55:112
76689986,1cyclictest28-21ksoftirqd/209:42:412
76689986,1cyclictest28-21ksoftirqd/209:05:132
76689986,1cyclictest19709-21cat11:50:162
76689985,2cyclictest61650irq/122-eno111:15:152
76689980,7cyclictest29255-21taskset07:51:122
76689980,6cyclictest25364-21kworker/u8:209:51:512
76679980,0cyclictest0-21swapper/109:10:111
76669988,0cyclictest9-21ksoftirqd/012:15:150
76669988,0cyclictest9-21ksoftirqd/012:10:000
76669988,0cyclictest9-21ksoftirqd/010:25:130
76669987,1cyclictest9-21ksoftirqd/011:45:000
76669987,1cyclictest9-21ksoftirqd/009:35:000
76669987,1cyclictest9-21ksoftirqd/009:20:150
76669987,1cyclictest9-21ksoftirqd/007:30:140
76669985,1cyclictest240-21systemd-journal11:13:080
76669983,1cyclictest23056-21ssh12:37:140
76669981,6cyclictest7367-21ssh09:17:540
76669981,6cyclictest13960-21ssh12:25:160
2773280,1sleep10-21swapper/111:28:431
76699976,1cyclictest35-21ksoftirqd/312:20:143
76699976,1cyclictest35-21ksoftirqd/311:15:003
76699976,1cyclictest35-21ksoftirqd/308:40:123
76699976,1cyclictest35-21ksoftirqd/308:05:143
76699976,1cyclictest35-21ksoftirqd/307:45:003
76699975,1cyclictest35-21ksoftirqd/310:40:143
76699975,1cyclictest19395-21ssh11:06:363
76699971,4cyclictest0-21swapper/310:35:123
76699970,5cyclictest0-21swapper/311:48:033
76699970,3cyclictest0-21swapper/309:45:173
76699970,2cyclictest5643-21cat09:15:163
76699970,1cyclictest32128-21/usr/sbin/munin09:55:163
76689976,1cyclictest28-21ksoftirqd/212:35:182
76689976,1cyclictest28-21ksoftirqd/212:30:152
76689976,1cyclictest28-21ksoftirqd/212:26:222
76689976,1cyclictest28-21ksoftirqd/211:55:172
76689976,1cyclictest28-21ksoftirqd/211:35:132
76689976,1cyclictest28-21ksoftirqd/210:41:402
76689976,1cyclictest28-21ksoftirqd/207:15:142
76689976,0cyclictest28-21ksoftirqd/209:45:212
76689975,1cyclictest61650irq/122-eno111:30:152
76689975,1cyclictest32212-21ssh11:25:122
76689975,1cyclictest28-21ksoftirqd/212:10:172
76689975,1cyclictest28-21ksoftirqd/209:35:152
76689975,1cyclictest28-21ksoftirqd/209:15:132
76689975,1cyclictest28-21ksoftirqd/209:00:132
76689975,1cyclictest28-21ksoftirqd/207:55:172
76689975,1cyclictest28-21ksoftirqd/207:45:152
76689975,1cyclictest28-21ksoftirqd/207:30:212
76689973,2cyclictest32131-21apt09:55:122
76689970,5cyclictest9393-21/usr/sbin/munin08:20:202
76689970,3cyclictest0-21swapper/208:35:092
76689970,1cyclictest0-21swapper/208:25:122
76679970,7cyclictest0-21swapper/107:40:161
76679970,6cyclictest0-21swapper/108:40:161
76679970,1cyclictest0-21swapper/111:15:101
76679970,1cyclictest0-21swapper/109:30:111
76669976,1cyclictest9-21ksoftirqd/008:10:120
76669976,1cyclictest9-21ksoftirqd/007:10:150
76669976,1cyclictest8895-21ssh10:09:150
76669976,1cyclictest4771-21ssh10:47:500
76669976,1cyclictest19026-21ssh12:31:300
76669976,1cyclictest17486-21ssh11:47:090
76669975,1cyclictest9-21ksoftirqd/007:15:160
76669975,1cyclictest7676-21ssh10:50:280
76669975,1cyclictest32133-21sh08:00:000
76669970,7cyclictest0-21swapper/011:55:130
76669970,7cyclictest0-21swapper/008:30:160
76669970,6cyclictest9393-21/usr/sbin/munin08:20:150
76669970,6cyclictest9367-21stty12:20:120
76669970,6cyclictest3945-21ssh10:00:540
76669970,6cyclictest372-21tune2fs11:25:150
76669970,6cyclictest32128-21/usr/sbin/munin09:55:140
76669970,6cyclictest26955-21dpkg10:35:100
76669970,6cyclictest26300-21ssh09:45:040
76669970,6cyclictest25892-21/usr/sbin/munin08:55:140
76669970,6cyclictest15657-21/usr/sbin/munin07:25:220
76669970,6cyclictest13420-21apt-get11:00:110
76669970,6cyclictest11654-21/usr/sbin/munin10:15:100
76669970,6cyclictest0-21swapper/010:40:120
76669970,6cyclictest0-21swapper/010:31:070
76669970,4cyclictest31964-21latency_hist11:25:010
76669970,3cyclictest0-21swapper/010:13:110
76669970,3cyclictest0-21swapper/008:25:120
76669970,1cyclictest26096-21cut07:45:160
76669970,1cyclictest17128-21ssh11:05:080
76669970,1cyclictest0-21swapper/008:40:150
31662275,1sleep335-21ksoftirqd/311:24:203
76699966,0cyclictest0-21swapper/309:14:123
76699965,1cyclictest438-21ssh12:07:303
76699965,1cyclictest35-21ksoftirqd/311:25:153
76699965,1cyclictest35-21ksoftirqd/310:25:133
76699965,1cyclictest35-21ksoftirqd/309:25:003
76699965,1cyclictest35-21ksoftirqd/308:50:003
76699965,1cyclictest35-21ksoftirqd/307:50:133
76699965,1cyclictest35-21ksoftirqd/307:50:003
76699965,1cyclictest35-21ksoftirqd/307:15:013
76699965,1cyclictest26653-21ssh11:15:543
76699965,1cyclictest25403-21ssh09:43:123
76699965,1cyclictest21256-21ssh11:52:103
76699965,1cyclictest17578-21ssh10:21:163
76699965,1cyclictest12644-21cat08:25:163
76699964,1cyclictest35-21ksoftirqd/307:55:003
76699963,1cyclictest240-21systemd-journal08:15:003
76699962,2cyclictest240-21systemd-journal09:50:373
76699960,6cyclictest8223-21cstates07:10:143
76699960,3cyclictest0-21swapper/312:11:143
76699960,3cyclictest0-21swapper/308:00:113
76699960,0cyclictest0-21swapper/312:01:443
76689966,0cyclictest61650irq/122-eno111:06:392
76689966,0cyclictest61650irq/122-eno107:20:112
76689965,1cyclictest28-21ksoftirqd/210:10:332
76689965,1cyclictest28-21ksoftirqd/208:05:152
76689965,1cyclictest28-21ksoftirqd/207:35:142
76689964,1cyclictest28-21ksoftirqd/212:05:142
76689964,1cyclictest28-21ksoftirqd/208:10:152
76689964,1cyclictest23350-21fschecks_time07:40:122
76679962,2cyclictest0-21swapper/110:18:211
76679960,6cyclictest0-21swapper/112:01:071
76679960,6cyclictest0-21swapper/110:26:431
76679960,6cyclictest0-21swapper/109:19:331
76679960,6cyclictest0-21swapper/108:57:111
76679960,6cyclictest0-21swapper/107:35:151
76679960,3cyclictest0-21swapper/109:48:081
76679960,2cyclictest0-21swapper/108:10:191
76679960,1cyclictest0-21swapper/110:09:551
76679960,1cyclictest0-21swapper/107:10:161
76669961,3cyclictest0-21swapper/008:45:110
76669960,6cyclictest0-21swapper/008:15:090
76669960,6cyclictest0-21swapper/007:50:040
76669960,6cyclictest0-21swapper/007:20:020
76669960,5cyclictest32739-21diskmemload10:55:050
76669960,2cyclictest0-21swapper/009:40:190
76669960,1cyclictest22734-21/usr/sbin/munin07:40:170
76699954,1cyclictest35-21ksoftirqd/308:55:013
76699954,1cyclictest35-21ksoftirqd/307:30:003
76699953,1cyclictest31393-21sed09:05:153
76699953,0cyclictest32739-21diskmemload10:57:013
76699952,2cyclictest9396-21apt-get08:20:123
76699952,1cyclictest16982-21forks08:35:133
76699952,1cyclictest13339-21aten_r1power_en07:20:133
76699952,1cyclictest0-21swapper/308:30:113
76699950,2cyclictest0-21swapper/311:30:293
76689955,0cyclictest61650irq/122-eno108:15:072
76679955,0cyclictest0-21swapper/112:08:191
76679955,0cyclictest0-21swapper/110:37:431
76679955,0cyclictest0-21swapper/109:55:361
76679955,0cyclictest0-21swapper/108:00:151
76679951,2cyclictest0-21swapper/107:20:111
76679950,5cyclictest0-21swapper/111:45:061
76679950,5cyclictest0-21swapper/111:20:141
76679950,5cyclictest0-21swapper/108:15:151
76679950,5cyclictest0-21swapper/107:16:231
76679950,4cyclictest0-21swapper/109:42:031
76679950,4cyclictest0-21swapper/109:00:471
76679950,3cyclictest0-21swapper/112:37:551
76679950,3cyclictest0-21swapper/110:49:381
76679950,3cyclictest0-21swapper/110:44:021
76679950,2cyclictest0-21swapper/112:10:201
76679950,2cyclictest0-21swapper/111:55:271
76679950,2cyclictest0-21swapper/111:40:161
76679950,2cyclictest0-21swapper/110:50:131
76679950,2cyclictest0-21swapper/109:26:171
76679950,2cyclictest0-21swapper/109:10:001
76679950,1cyclictest0-21swapper/112:30:181
76679950,1cyclictest0-21swapper/112:25:111
76679950,1cyclictest0-21swapper/112:15:101
76679950,1cyclictest0-21swapper/111:31:041
76679950,1cyclictest0-21swapper/111:00:131
76679950,1cyclictest0-21swapper/109:20:121
76679950,1cyclictest0-21swapper/107:25:131
76679950,0cyclictest0-21swapper/108:34:451
5281250,1sleep10-21swapper/110:04:401
76699943,1cyclictest35-21ksoftirqd/307:30:133
76699942,1cyclictest23662-21head08:50:133
76679943,1cyclictest92482sleep111:35:471
76679942,2cyclictest0-21swapper/109:35:131
76679942,1cyclictest118572sleep112:22:331
76679941,1cyclictest0-21swapper/110:20:091
76679940,4cyclictest0-21swapper/108:25:201
76679940,4cyclictest0-21swapper/107:35:001
76679940,3cyclictest0-21swapper/111:10:101
76679940,2cyclictest0-21swapper/108:10:001
76679940,1cyclictest0-21swapper/109:52:051
76679940,1cyclictest0-21swapper/107:50:111
76679940,0cyclictest0-21swapper/108:47:321
76679940,0cyclictest0-21swapper/108:35:141
76679932,1cyclictest203-21jbd2/sda2-808:51:111
76679931,1cyclictest0-21swapper/107:55:141
76679931,1cyclictest0-21swapper/107:45:111
76679930,3cyclictest0-21swapper/108:22:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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