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2025-11-13 - 22:47
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot5.osadl.org (updated Thu Nov 13, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5534996529,0cyclictest0-21swapper/210:36:582
5532995454,0cyclictest0-21swapper/107:10:151
5529994343,0cyclictest0-21swapper/007:10:150
5532993230,1cyclictest6435-21cron08:20:021
553899310,29cyclictest303-21systemd-journal09:30:003
553299300,29cyclictest626-21gdbus08:40:001
5529993029,1cyclictest7915-21lspci10:36:580
5538992927,1cyclictest32445-21basename09:15:003
553899290,28cyclictest0-21swapper/312:00:133
553899290,28cyclictest0-21swapper/311:05:143
553899290,28cyclictest0-21swapper/308:05:113
553499290,28cyclictest0-21swapper/210:55:002
553499290,28cyclictest0-21swapper/210:45:122
553499290,28cyclictest0-21swapper/207:25:102
5532992927,1cyclictest0-21swapper/107:50:201
553299290,28cyclictest0-21swapper/111:10:141
552999290,28cyclictest0-21swapper/010:50:130
552999290,28cyclictest0-21swapper/008:40:000
5538992828,0cyclictest876-21apt-get10:25:123
5538992828,0cyclictest6753-21apt-get08:20:133
5538992826,1cyclictest17869-21sendmail-msp11:00:003
553899280,27cyclictest2961-21apt-get09:20:133
553899280,1cyclictest11137-21perf08:30:003
553899280,0cyclictest20775-21apt-get08:50:103
553899280,0cyclictest0-21swapper/309:00:133
5534992826,1cyclictest22559-21sh07:45:012
5532992828,0cyclictest0-21swapper/110:35:131
5532992828,0cyclictest0-21swapper/109:30:121
5532992827,0cyclictest2493-21apt-get11:35:131
553299280,0cyclictest0-21swapper/107:40:141
5529992828,0cyclictest0-21swapper/009:50:100
552999280,27cyclictest0-21swapper/012:30:130
552999280,0cyclictest0-21swapper/011:25:160
5538992727,0cyclictest25555-21apt-get11:15:123
5538992727,0cyclictest0-21swapper/312:10:143
5538992727,0cyclictest0-21swapper/312:05:143
5538992727,0cyclictest0-21swapper/308:05:003
5538992727,0cyclictest0-21swapper/307:35:133
553899270,27cyclictest0-21swapper/311:50:013
553899270,27cyclictest0-21swapper/311:40:113
553899270,27cyclictest0-21swapper/310:15:153
5534992727,0cyclictest0-21swapper/210:00:122
5534992727,0cyclictest0-21swapper/208:05:132
5534992726,1cyclictest2206-21awk11:35:002
553499270,0cyclictest25863-21apt-get12:25:142
553499270,0cyclictest0-21swapper/212:10:132
553499270,0cyclictest0-21swapper/211:30:002
5532992727,0cyclictest16075-21apt-get08:40:141
5532992727,0cyclictest0-21swapper/111:50:121
5532992727,0cyclictest0-21swapper/109:35:141
5532992726,0cyclictest0-21swapper/111:25:151
553299270,0cyclictest0-21swapper/112:00:131
5529992727,0cyclictest14611-21apt-get09:45:120
5529992727,0cyclictest0-21swapper/011:20:130
552999270,27cyclictest0-21swapper/009:00:030
552999270,0cyclictest0-21swapper/012:00:000
5538992626,0cyclictest0-21swapper/311:30:123
5538992626,0cyclictest0-21swapper/309:35:133
5538992626,0cyclictest0-21swapper/307:55:123
5538992626,0cyclictest0-21swapper/307:45:133
5534992626,0cyclictest23985-21apt-get10:05:152
5534992626,0cyclictest0-21swapper/212:35:142
5534992626,0cyclictest0-21swapper/212:20:092
5532992626,0cyclictest0-21swapper/112:30:131
5532992626,0cyclictest0-21swapper/109:45:131
5532992626,0cyclictest0-21swapper/108:45:141
5529992626,0cyclictest23204-21apt-get11:10:120
5529992626,0cyclictest0-21swapper/009:35:150
5529992625,1cyclictest7619-21apt-get09:30:130
5538992525,0cyclictest0-21swapper/307:10:153
5538992523,1cyclictest609-21dbus-daemon08:15:023
5534992525,0cyclictest22850-21apt-get07:45:132
5534992525,0cyclictest16489-21apt-get12:05:142
5534992525,0cyclictest0-21swapper/211:15:122
5534992525,0cyclictest0-21swapper/209:10:122
5534992525,0cyclictest0-21swapper/209:05:142
5532992525,0cyclictest0-21swapper/108:25:131
5529992525,0cyclictest0-21swapper/007:50:130
5529992524,1cyclictest20937-21perf12:15:020
553899247,4cyclictest0-21swapper/310:44:483
5538992424,0cyclictest11170-21apt-get10:45:133
5538992424,0cyclictest0-21swapper/312:30:133
5538992424,0cyclictest0-21swapper/308:20:023
5538992423,1cyclictest609-21dbus-daemon11:05:003
5534992422,1cyclictest27496-21apt-get07:55:112
5532992424,0cyclictest0-21swapper/109:15:001
5529992422,1cyclictest30105-21sh09:10:000
5538992323,0cyclictest0-21swapper/311:50:133
5534992323,0cyclictest0-21swapper/209:20:132
5532992323,0cyclictest0-21swapper/109:00:031
5529992323,0cyclictest9498-21apt-get11:50:130
5529992323,0cyclictest0-21swapper/008:50:120
5529992323,0cyclictest0-21swapper/007:30:110
5529992321,1cyclictest16233-21munin-run12:05:000
5538992222,0cyclictest11823-21apt-get11:55:143
5538992222,0cyclictest0-21swapper/310:05:153
5534992222,0cyclictest0-21swapper/208:20:132
5534992222,0cyclictest0-21swapper/207:35:022
5532992222,0cyclictest0-21swapper/110:25:121
5534992121,0cyclictest0-21swapper/207:20:132
553899207,0cyclictest0-21swapper/310:33:373
5538992020,0cyclictest20528-21apt-get07:40:143
5538992020,0cyclictest0-21swapper/311:35:133
5538992020,0cyclictest0-21swapper/311:20:133
5534992020,0cyclictest21191-21apt-get12:15:132
5534992020,0cyclictest2074-21apt-get08:10:132
5534992020,0cyclictest0-21swapper/211:00:142
5534992018,2cyclictest30232-21idleruntime-cro12:35:002
5532992020,0cyclictest30978-21apt-get10:20:141
5532992020,0cyclictest0-21swapper/109:50:121
5538991919,0cyclictest0-21swapper/307:30:113
5529991919,0cyclictest0-21swapper/007:40:130
5534991818,0cyclictest0-21swapper/211:40:012
5534991817,1cyclictest11404-21apt-get08:30:132
5534991815,2cyclictest6917-21munin-run11:45:012
5532991816,1cyclictest0-21swapper/107:30:011
5529991818,0cyclictest0-21swapper/011:35:130
5529991816,1cyclictest6459-21cron08:20:010
5538991717,0cyclictest0-21swapper/310:50:133
5538991717,0cyclictest0-21swapper/308:35:143
5538991717,0cyclictest0-21swapper/307:50:143
553899160,15cyclictest13969-21memory07:25:133
5534991614,1cyclictest0-21swapper/209:35:012
553499160,15cyclictest18421-21/usr/sbin/munin08:45:162
5532991616,0cyclictest0-21swapper/109:25:141
5532991616,0cyclictest0-21swapper/107:30:111
5532991615,1cyclictest18074-21apt-get07:35:141
5532991614,1cyclictest0-21swapper/109:55:141
5529991616,0cyclictest0-21swapper/008:40:140
5529991614,1cyclictest0-21swapper/011:40:140
552999160,15cyclictest21825-21grep12:15:150
553899151,13cyclictest18175-21latency_hist08:45:013
553899150,14cyclictest0-21swapper/311:25:173
5534991515,0cyclictest12288-21apt-get09:40:122
5534991514,1cyclictest0-21swapper/211:05:152
5534991513,2cyclictest27577-21cut10:10:192
553299158,6cyclictest22-21ksoftirqd/109:05:151
5532991515,0cyclictest0-21swapper/110:40:111
5532991515,0cyclictest0-21swapper/109:40:121
5532991515,0cyclictest0-21swapper/108:10:131
5532991514,1cyclictest6187-21kworker/1:208:52:511
5532991514,1cyclictest27431-21kworker/1:111:40:481
553299150,1cyclictest7798-21ntp_states08:20:181
5529991515,0cyclictest0-21swapper/008:45:140
5529991515,0cyclictest0-21swapper/008:25:130
5529991513,1cyclictest2700-21perf09:20:000
552999150,1cyclictest22295-21gltestperf10:00:140
552999150,14cyclictest0-21swapper/011:15:160
5538991414,0cyclictest16932-21apt-get09:50:123
553899140,14cyclictest0-21swapper/312:26:213
553899140,14cyclictest0-21swapper/312:21:213
553899140,14cyclictest0-21swapper/312:15:153
553899140,14cyclictest0-21swapper/310:35:243
553899140,14cyclictest0-21swapper/310:11:543
553899140,14cyclictest0-21swapper/310:00:033
553899140,14cyclictest0-21swapper/309:55:473
553899140,14cyclictest0-21swapper/309:47:583
553899140,14cyclictest0-21swapper/309:15:403
553899140,14cyclictest0-21swapper/308:55:543
553899140,14cyclictest0-21swapper/307:20:093
553899140,14cyclictest0-21swapper/307:16:213
553899140,0cyclictest19448-21strings08:45:183
553899140,0cyclictest0-21swapper/312:36:003
553899140,0cyclictest0-21swapper/311:10:293
553899140,0cyclictest0-21swapper/310:21:543
553899140,0cyclictest0-21swapper/309:30:243
553899140,0cyclictest0-21swapper/309:05:203
5534991414,0cyclictest0-21swapper/210:55:142
5534991414,0cyclictest0-21swapper/210:22:302
5534991414,0cyclictest0-21swapper/210:15:022
5534991414,0cyclictest0-21swapper/209:55:132
5534991414,0cyclictest0-21swapper/209:16:532
553499140,14cyclictest0-21swapper/212:03:272
553499140,14cyclictest0-21swapper/211:50:462
553499140,14cyclictest0-21swapper/211:10:262
553499140,14cyclictest0-21swapper/210:34:242
553499140,14cyclictest0-21swapper/210:27:082
553499140,14cyclictest0-21swapper/209:45:292
553499140,14cyclictest0-21swapper/209:37:352
553499140,14cyclictest0-21swapper/209:27:162
553499140,14cyclictest0-21swapper/209:03:252
553499140,14cyclictest0-21swapper/208:56:482
553499140,14cyclictest0-21swapper/208:52:252
553499140,14cyclictest0-21swapper/208:41:062
553499140,14cyclictest0-21swapper/208:17:122
553499140,14cyclictest0-21swapper/208:00:262
553499140,14cyclictest0-21swapper/207:53:042
553499140,14cyclictest0-21swapper/207:30:162
553499140,14cyclictest0-21swapper/207:15:052
553499140,14cyclictest0-21swapper/207:11:482
553499140,0cyclictest0-21swapper/211:57:002
553499140,0cyclictest0-21swapper/211:45:152
553499140,0cyclictest0-21swapper/211:22:322
5532991414,0cyclictest6187-21kworker/1:211:07:121
5532991414,0cyclictest0-21swapper/112:35:121
5532991414,0cyclictest0-21swapper/112:25:281
5532991414,0cyclictest0-21swapper/112:10:101
5532991414,0cyclictest0-21swapper/111:21:311
5532991414,0cyclictest0-21swapper/111:15:501
5532991414,0cyclictest0-21swapper/110:50:101
5532991414,0cyclictest0-21swapper/110:00:031
5532991414,0cyclictest0-21swapper/109:11:311
5532991414,0cyclictest0-21swapper/107:48:001
5532991412,1cyclictest0-21swapper/107:55:141
553299140,14cyclictest0-21swapper/112:20:481
553299140,14cyclictest0-21swapper/112:05:171
553299140,14cyclictest0-21swapper/111:45:081
553299140,14cyclictest0-21swapper/111:30:181
553299140,14cyclictest0-21swapper/110:55:521
553299140,14cyclictest0-21swapper/110:45:311
553299140,14cyclictest0-21swapper/110:15:021
553299140,14cyclictest0-21swapper/110:12:391
553299140,14cyclictest0-21swapper/110:05:341
553299140,14cyclictest0-21swapper/108:55:011
553299140,14cyclictest0-21swapper/108:30:031
553299140,14cyclictest0-21swapper/108:07:151
553299140,14cyclictest0-21swapper/108:01:381
553299140,14cyclictest0-21swapper/107:15:331
553299140,0cyclictest0-21swapper/112:16:021
553299140,0cyclictest0-21swapper/111:55:091
553299140,0cyclictest0-21swapper/111:00:071
553299140,0cyclictest0-21swapper/110:30:391
553299140,0cyclictest0-21swapper/109:20:041
553299140,0cyclictest0-21swapper/107:20:191
5529991414,0cyclictest0-21swapper/012:25:030
5529991414,0cyclictest0-21swapper/011:31:060
5529991414,0cyclictest0-21swapper/010:55:160
5529991414,0cyclictest0-21swapper/009:40:060
5529991414,0cyclictest0-21swapper/009:11:330
5529991414,0cyclictest0-21swapper/008:55:580
5529991414,0cyclictest0-21swapper/008:30:350
5529991414,0cyclictest0-21swapper/008:00:150
552999140,14cyclictest0-21swapper/012:35:090
552999140,14cyclictest0-21swapper/012:20:540
552999140,14cyclictest0-21swapper/012:05:380
552999140,14cyclictest0-21swapper/011:05:060
552999140,14cyclictest0-21swapper/011:00:530
552999140,14cyclictest0-21swapper/010:45:180
552999140,14cyclictest0-21swapper/010:20:120
552999140,14cyclictest0-21swapper/010:16:060
552999140,14cyclictest0-21swapper/010:11:000
552999140,14cyclictest0-21swapper/010:05:310
552999140,14cyclictest0-21swapper/009:55:420
552999140,14cyclictest0-21swapper/009:25:250
552999140,14cyclictest0-21swapper/007:48:070
552999140,14cyclictest0-21swapper/007:35:330
552999140,14cyclictest0-21swapper/007:15:030
552999140,0cyclictest0-21swapper/011:49:380
552999140,0cyclictest0-21swapper/010:41:150
552999140,0cyclictest0-21swapper/010:31:340
552999140,0cyclictest0-21swapper/010:25:190
552999140,0cyclictest0-21swapper/009:20:080
552999140,0cyclictest0-21swapper/008:20:080
552999140,0cyclictest0-21swapper/008:10:150
552999140,0cyclictest0-21swapper/008:05:090
552999140,0cyclictest0-21swapper/007:56:140
552999140,0cyclictest0-21swapper/007:26:310
552999140,0cyclictest0-21swapper/007:20:270
5538991313,0cyclictest0-21swapper/309:40:193
5538991313,0cyclictest0-21swapper/308:30:273
5534991313,0cyclictest0-21swapper/210:41:122
5534991313,0cyclictest0-21swapper/209:50:592
5534991313,0cyclictest0-21swapper/208:35:182
553499130,0cyclictest0-21swapper/208:25:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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