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2025-12-08 - 17:43
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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 Mon Dec 08, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317284499216,5cyclictest3650117-21taskset12:29:553
317284499211,14cyclictest3561302-21taskset11:35:013
147598200,1rtkit-daemon0-21swapper/112:23:421
36333192190,8sleep014-21ksoftirqd/012:18:220
3172844991917,1cyclictest0-21swapper/311:10:133
3172844991916,1cyclictest0-21swapper/311:45:003
3172844991916,1cyclictest0-21swapper/310:34:573
3172844991916,1cyclictest0-21swapper/310:05:003
3172844991916,1cyclictest0-21swapper/309:25:233
317284499191,14cyclictest3591775-21taskset11:50:483
317284499189,5cyclictest3238233-21turbostat08:00:003
3172844991815,1cyclictest0-21swapper/312:10:153
3172844991815,1cyclictest0-21swapper/312:00:013
3172844991815,1cyclictest0-21swapper/310:25:183
317284499181,14cyclictest3301646-21taskset08:50:013
317284499181,13cyclictest3583595-21taskset11:45:433
317284499181,13cyclictest3531752-21taskset11:15:173
317284499181,13cyclictest3429708-21taskset10:10:253
317284499181,13cyclictest3405953-21taskset09:56:073
317284499181,13cyclictest3311350-21taskset08:55:183
317284499181,13cyclictest3213250-21taskset07:40:133
317284499181,13cyclictest3173371-21taskset07:10:153
317284499177,7cyclictest35033792sleep310:57:423
3172844991714,1cyclictest0-21swapper/312:35:173
3172844991714,1cyclictest0-21swapper/312:15:173
3172844991714,1cyclictest0-21swapper/312:10:003
3172844991714,1cyclictest0-21swapper/311:20:183
3172844991714,1cyclictest0-21swapper/308:35:003
3172844991714,1cyclictest0-21swapper/307:40:003
3172844991714,1cyclictest0-21swapper/307:35:013
317284499171,13cyclictest3640566-21chrt12:21:263
317284499171,13cyclictest3562745-21taskset11:35:173
317284499171,13cyclictest3512521-21sleep11:05:003
317284499171,12cyclictest3485754-21taskset10:45:233
317284499171,12cyclictest3391508-21taskset09:50:013
317284499171,12cyclictest3375904-21taskset09:40:153
317284499171,12cyclictest3320427-21taskset09:04:563
317284499171,12cyclictest3294999-21taskset08:45:013
317284499171,12cyclictest3294999-21taskset08:45:013
317284499170,13cyclictest3287944-21chrt08:35:233
317284499170,12cyclictest3270103-21taskset08:25:013
3172844991614,1cyclictest0-21swapper/309:20:013
3172844991613,1cyclictest0-21swapper/308:20:183
3172844991613,1cyclictest0-21swapper/308:10:123
3172844991613,1cyclictest0-21swapper/308:00:153
317284499161,12cyclictest3603670-21chrt12:00:173
317284499161,12cyclictest3512757-21chrt11:05:033
317284499161,12cyclictest3479272-21taskset10:43:043
317284499161,12cyclictest3471477-21chrt10:38:463
317284499161,12cyclictest3440480-21taskset10:20:143
317284499161,12cyclictest3193414-21taskset07:21:333
317284499161,11cyclictest3493732-21taskset10:50:203
317284499161,11cyclictest3333401-21taskset09:11:583
317284499161,11cyclictest3257532-21chrt08:15:033
32194422150,6sleep03219454-21acpi07:45:110
317284499151,12cyclictest3421858-21taskset10:05:443
317284499151,12cyclictest3187336-21taskset07:19:093
317284499151,11cyclictest3658292-21turbostat12:35:003
317284499151,11cyclictest3545626-21taskset11:25:153
317284499151,11cyclictest3437386-21taskset10:15:263
317284499151,11cyclictest3397727-21taskset09:50:413
317284499151,11cyclictest3365727-21chrt09:31:173
317284499151,11cyclictest3343392-21taskset09:20:113
317284499151,11cyclictest3320686-21taskset09:05:083
317284499151,11cyclictest3300172-21taskset08:45:213
317284499151,11cyclictest3245055-21taskset08:05:133
317284499151,11cyclictest3231418-21taskset07:51:153
317284499151,11cyclictest3225124-21taskset07:45:503
317284499150,12cyclictest3193929-21taskset07:25:033
35618372140,6sleep13562030-21idleruntime11:35:161
317284499141,11cyclictest3373545-21taskset09:35:503
36519292130,10sleep13653504-21grep12:30:181
35919642130,6sleep23591972-21ssh11:51:202
33357352130,11sleep23335913-21sed09:15:182
32391512130,1sleep13239585-21sed08:00:151
31876912131,8sleep13187713-21apt-get07:20:121
35033452120,9sleep23503353-21ssh10:57:372
34154402120,9sleep13415448-21ssh10:04:301
147598120,8rtkit-daemon3431741-21ssh10:14:571
147598120,2rtkit-daemon3480192-21latency_hist10:45:000
35106452111,7sleep23510651-21ssh11:00:462
34060392110,2sleep20-21swapper/209:56:182
33599662110,8sleep13360398-21irqcore09:30:161
32307872111,8sleep13230864-21ntp_states07:50:211
147598110,7rtkit-daemon515-21gmain08:29:202
147598110,7rtkit-daemon515-21gmain08:18:002
147598110,7rtkit-daemon3463215-21ssh10:33:150
147598110,7rtkit-daemon1540-21sendmail-mta09:57:351
147598110,3rtkit-daemon214-21plymouthd08:30:112
36658162100,3sleep23665824-21ssh12:38:532
36556922100,3sleep03655777-21ntp_states12:30:210
34956172100,4sleep03495625-21ssh10:53:270
34326452100,3sleep03433593-21ps10:15:190
34234312100,7sleep23423439-21ssh10:09:202
33155022100,7sleep23316568-21grep09:00:192
33093942100,7sleep23311347-21kthreadcore08:55:182
32201232100,7sleep13221018-21kthreadcore07:45:161
31724192100,1sleep30-21swapper/307:06:313
31686252105,2sleep20-21swapper/207:05:182
147598100,6rtkit-daemon730-21ntpd10:45:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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