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2026-04-15 - 16:34
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Wed Apr 15, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31899122600,1sleep30-21swapper/311:17:543
2832797993330,1cyclictest0-21swapper/310:55:003
2832797993129,1cyclictest0-21swapper/312:25:233
2832797992825,1cyclictest0-21swapper/311:40:013
2832797992724,1cyclictest0-21swapper/308:20:003
30966762250,12sleep03096678-21ssh10:17:220
2832797992320,1cyclictest0-21swapper/310:35:243
2832797992320,1cyclictest0-21swapper/309:40:013
2832797992219,1cyclictest0-21swapper/307:55:013
2832797992118,1cyclictest0-21swapper/311:30:173
283279799211,15cyclictest3144128-21turbostat10:50:003
2832797992017,1cyclictest0-21swapper/311:40:233
2832797992017,0cyclictest0-21swapper/310:10:003
283279799201,14cyclictest3020292-21taskset09:30:013
283279799201,13cyclictest2918420-21taskset08:14:563
2832797991917,1cyclictest0-21swapper/310:35:003
2832797991916,1cyclictest0-21swapper/308:40:003
283279799191,14cyclictest3306037-21taskset12:32:273
283279799191,14cyclictest3153722-21taskset10:55:173
283279799191,14cyclictest3012080-21taskset09:24:073
283279799191,14cyclictest3004044-21taskset09:18:143
283279799191,14cyclictest2931013-21taskset08:21:133
283279799191,14cyclictest2873238-21taskset07:38:003
283279799191,14cyclictest2853842-21taskset07:21:203
283279799191,14cyclictest2833021-21chrt07:10:133
283279799191,13cyclictest2970199-21chrt08:55:133
283279799191,13cyclictest2873743-21chrt07:40:123
2832797991910,6cyclictest30965222sleep310:16:563
283279799188,7cyclictest29438032sleep308:30:403
283279799187,7cyclictest32514732sleep311:56:203
2832797991815,1cyclictest0-21swapper/312:10:163
2832797991815,1cyclictest0-21swapper/312:00:163
2832797991815,1cyclictest0-21swapper/310:20:133
2832797991815,1cyclictest0-21swapper/309:55:193
2832797991815,1cyclictest0-21swapper/309:45:163
283279799181,13cyclictest3204820-21taskset11:26:083
283279799181,13cyclictest3174141-21taskset11:06:553
283279799181,13cyclictest3166027-21taskset11:00:543
283279799181,13cyclictest3134964-21taskset10:40:493
283279799181,13cyclictest3110998-21taskset10:25:213
283279799181,13cyclictest3074362-21taskset10:05:013
283279799181,13cyclictest3057409-21taskset09:50:503
283279799181,13cyclictest2989071-21taskset09:09:083
283279799181,13cyclictest2963448-21taskset08:49:563
283279799181,13cyclictest2956819-21taskset08:42:463
283279799181,13cyclictest2905391-21taskset08:02:413
283279799181,13cyclictest2866795-21taskset07:33:103
283279799181,13cyclictest2866795-21taskset07:33:103
28325762180,3sleep30-21swapper/307:08:583
283279799177,7cyclictest29315662sleep308:25:033
283279799176,8cyclictest2969763-21taskset08:53:213
2832797991714,1cyclictest0-21swapper/312:40:003
2832797991714,1cyclictest0-21swapper/311:45:173
2832797991714,1cyclictest0-21swapper/309:00:153
283279799171,13cyclictest3284717-21chrt12:20:163
283279799171,13cyclictest3283348-21taskset12:18:593
283279799171,13cyclictest3267263-21taskset12:07:133
283279799171,13cyclictest3243403-21taskset11:50:293
283279799171,13cyclictest3196890-21taskset11:20:333
283279799171,13cyclictest3027099-21taskset09:32:503
283279799171,12cyclictest3036944-21chrt09:40:153
283279799171,12cyclictest2907461-21taskset08:05:173
283279799171,12cyclictest2892977-21taskset07:55:033
283279799171,12cyclictest2880136-21taskset07:45:053
129998170,2rtkit-daemon0-21swapper/107:15:231
29945082160,9sleep22994690-21ssh09:10:192
283279799166,7cyclictest30876842sleep310:10:233
2832797991613,1cyclictest0-21swapper/311:10:193
283279799161,12cyclictest2860516-21taskset07:29:373
283279799161,12cyclictest2847544-21taskset07:17:303
283279799161,11cyclictest2989509-21chrt09:10:113
31199742151,10sleep13119978-21ssh10:32:261
29448192151,11sleep10-21swapper/108:35:151
129998150,5rtkit-daemon2872544-21ntpq07:35:231
33047762141,10sleep03304821-21ntpq12:30:190
32371692141,3sleep23237305-21latency_hist11:50:012
30346292141,10sleep13034635-21ssh09:37:101
30204412141,4sleep13020438-21apt-get09:30:121
129998140,10rtkit-daemon3313732-21ssh12:37:122
32893232131,9sleep13289369-21ntpq12:20:231
31134652130,9sleep03113469-21ssh10:30:120
129998130,8rtkit-daemon3174959-21ssh11:09:271
32129172120,10sleep23212923-21ssh11:32:092
31356682121,9sleep23135673-21sh10:43:022
31283812120,3sleep23128387-21ssh10:39:172
30334782120,1sleep20-21swapper/209:35:222
30038192120,9sleep23003823-21ssh09:17:382
28737182123,6sleep22873740-21apt-get07:40:122
129998120,8rtkit-daemon364-21systemd-udevd12:03:332
129998120,8rtkit-daemon3111858-21ssh10:26:190
32721982111,2sleep20-21swapper/212:10:182
32526952110,8sleep00-21swapper/012:00:010
32425402110,5sleep13242674-21sh11:50:201
31832292110,4sleep13183389-21df_inode11:15:121
31746002111,3sleep2222-21plymouthd11:08:202
31682042111,7sleep03169057-21irqrtprio11:05:170
30814002110,8sleep13081402-21ssh10:08:091
30039842110,8sleep13003990-21ssh09:18:051
29959032112,6sleep0222-21plymouthd09:12:070
28982392110,8sleep02898281-21ntpq07:55:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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