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2026-06-06 - 20:09
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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 Sat Jun 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3834803993633,1cyclictest0-21swapper/320:30:003
3834803992825,1cyclictest0-21swapper/323:20:013
3834803992320,1cyclictest0-21swapper/322:40:043
3834803992320,1cyclictest0-21swapper/321:20:093
3834803992219,1cyclictest0-21swapper/322:15:193
3834803992219,1cyclictest0-21swapper/320:55:173
383480399221,15cyclictest4015140-21chrt21:25:123
39015482210,1sleep30-21swapper/320:00:023
383480399211,15cyclictest3959573-21chrt20:45:113
3834803992018,1cyclictest0-21swapper/322:30:273
3834803992017,1cyclictest0-21swapper/320:34:593
3834803992017,1cyclictest0-21swapper/319:40:093
3834803992017,1cyclictest0-21swapper/319:20:013
3834803992017,1cyclictest0-21swapper/300:00:003
383480399201,15cyclictest4083736-21taskset22:07:073
383480399201,15cyclictest3933575-21sleep20:25:003
383480399201,14cyclictest3907588-21taskset20:02:333
3834803992010,7cyclictest40375132sleep321:38:293
383480399192,13cyclictest7229-21taskset23:24:573
383480399192,13cyclictest4177750-21taskset23:09:523
383480399192,13cyclictest3959035-21taskset20:41:593
3834803991916,1cyclictest0-21swapper/323:50:243
3834803991916,1cyclictest0-21swapper/322:55:013
3834803991916,1cyclictest0-21swapper/322:35:163
3834803991916,1cyclictest0-21swapper/321:45:203
3834803991916,1cyclictest0-21swapper/320:40:003
3834803991916,1cyclictest0-21swapper/300:20:183
383480399191,14cyclictest4181119-21taskset23:10:173
383480399191,14cyclictest4161995-21taskset22:59:063
383480399191,14cyclictest4025467-21taskset21:30:173
383480399191,14cyclictest3966002-21chrt20:50:133
383480399191,14cyclictest3894791-21taskset19:53:273
383480399191,13cyclictest4046030-21taskset21:45:003
383480399191,13cyclictest3920619-21taskset20:14:563
383480399191,13cyclictest38469-21taskset23:45:013
3834803991815,1cyclictest0-21swapper/323:25:143
3834803991815,1cyclictest0-21swapper/321:15:263
3834803991815,1cyclictest0-21swapper/321:05:263
3834803991815,1cyclictest0-21swapper/321:05:253
3834803991815,1cyclictest0-21swapper/320:15:173
3834803991815,1cyclictest0-21swapper/319:40:013
3834803991815,1cyclictest0-21swapper/300:25:273
3834803991815,1cyclictest0-21swapper/300:25:263
383480399181,14cyclictest4163590-21taskset23:00:153
383480399181,14cyclictest3884554-21taskset19:45:183
383480399181,14cyclictest23123-21taskset23:35:063
383480399181,13cyclictest83726-21taskset00:11:063
383480399181,13cyclictest4114496-21taskset22:26:073
383480399181,13cyclictest4106978-21taskset22:21:573
383480399181,13cyclictest4076369-21taskset22:03:213
383480399181,13cyclictest4057317-21taskset21:50:183
383480399181,13cyclictest3984636-21taskset21:00:433
383480399181,13cyclictest3841095-21taskset19:13:503
39196962171,8sleep13919736-21ntpq20:10:231
3834803991714,1cyclictest0-21swapper/321:55:153
3834803991714,1cyclictest0-21swapper/321:10:193
3834803991714,1cyclictest0-21swapper/321:10:183
3834803991714,1cyclictest0-21swapper/319:20:063
3834803991714,1cyclictest0-21swapper/319:20:053
3834803991714,1cyclictest0-21swapper/300:30:233
383480399171,13cyclictest75570-21taskset00:05:263
383480399171,13cyclictest45364-21taskset23:47:373
383480399171,13cyclictest4091063-21taskset22:10:463
383480399171,13cyclictest3862979-21taskset19:30:033
383480399171,13cyclictest22870-21turbostat23:35:013
383480399171,12cyclictest4145240-21taskset22:45:303
383480399171,12cyclictest3908042-21taskset20:05:033
383480399171,12cyclictest3856623-21taskset19:25:133
383480399171,12cyclictest116491-21chrt00:35:133
96872160,5sleep011289-21tr23:25:190
3834803991614,1cyclictest0-21swapper/300:00:083
383480399161,12cyclictest91470-21taskset00:16:093
383480399161,12cyclictest91470-21taskset00:16:083
1148872141,9sleep1114895-21ssh00:31:311
41694242130,3sleep04169430-21ssh23:02:570
41298442131,9sleep24129848-21ssh22:35:482
40514522131,4sleep14051494-21ntpq21:45:251
40133732131,9sleep14013377-21ssh21:20:541
39725722130,10sleep03972655-21grep20:55:150
39724152130,4sleep2222-21plymouthd20:55:132
38714722130,4sleep03873254-21cut19:35:180
38367482131,2sleep20-21swapper/219:10:172
284952131,9sleep10-21swapper/123:35:221
154072131,9sleep115416-21ssh23:30:121
1166562130,10sleep0116782-21grep00:35:140
41393722121,2sleep00-21swapper/022:45:120
40837102121,8sleep24083714-21ssh22:07:032
38340312121,7sleep03834304-21grep19:05:260
154172124,5sleep215550-21cpuspeed_turbos23:30:132
70292110,8sleep27035-21ssh23:24:252
468962111,7sleep047142-21irqcore23:50:160
41941512110,8sleep0416-21cut23:20:170
41609692110,8sleep14160975-21ssh22:56:041
40688022110,3sleep2222-21plymouthd21:59:132
40548052110,8sleep14055695-21grep21:50:171
40320332110,8sleep0222-21plymouthd21:35:170
39471392110,8sleep23948056-21cut20:35:172
38489572111,7sleep13848996-21ntpq19:15:221
38338122110,5sleep13833838-21ntpq19:05:241
38285622111,5sleep23828584-21apt-get19:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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