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2026-05-13 - 17:09
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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 Wed May 13, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39730462350,1sleep00-21swapper/010:45:150
3666043992825,1cyclictest0-21swapper/309:40:003
3666043992724,1cyclictest0-21swapper/311:50:163
3666043992724,1cyclictest0-21swapper/307:15:003
3666043992523,1cyclictest0-21swapper/311:25:003
3666043992421,1cyclictest0-21swapper/309:10:013
3666043992321,1cyclictest0-21swapper/310:00:043
366604399222,15cyclictest4112827-21taskset12:10:253
3666043992220,1cyclictest0-21swapper/310:00:013
3666043992220,1cyclictest0-21swapper/309:20:003
3666043992219,1cyclictest0-21swapper/312:25:153
3666043992219,1cyclictest0-21swapper/310:40:013
3666043992219,1cyclictest0-21swapper/310:25:153
366604399211,15cyclictest3706335-21taskset07:35:593
366604399211,15cyclictest3706335-21taskset07:35:593
366604399211,15cyclictest3687761-21chrt07:25:133
366604399209,7cyclictest4099127-21sleep12:09:563
3666043992017,1cyclictest0-21swapper/311:18:503
3666043992017,1cyclictest0-21swapper/311:05:443
366604399201,13cyclictest3751610-21taskset08:14:573
366604399199,7cyclictest41216002sleep312:16:573
3666043991916,1cyclictest0-21swapper/310:35:253
3666043991916,1cyclictest0-21swapper/310:15:263
3666043991916,1cyclictest0-21swapper/309:30:163
3666043991916,1cyclictest0-21swapper/309:00:013
3666043991916,1cyclictest0-21swapper/308:10:003
366604399191,14cyclictest4123563-21taskset12:20:163
366604399189,6cyclictest40748532sleep311:48:533
366604399188,7cyclictest39788292sleep310:45:473
3666043991815,1cyclictest0-21swapper/312:00:043
3666043991815,1cyclictest0-21swapper/311:10:213
3666043991815,1cyclictest0-21swapper/308:40:013
366604399181,14cyclictest3998548-21taskset11:00:183
366604399181,14cyclictest3885448-21taskset09:49:173
366604399181,14cyclictest3812951-21taskset09:00:183
366604399181,13cyclictest3955444-21taskset10:31:273
366604399181,13cyclictest3917604-21taskset10:10:113
366604399181,13cyclictest3852902-21taskset09:26:363
366604399181,13cyclictest3845809-21taskset09:23:553
366604399181,13cyclictest3764228-21taskset08:21:373
38151292171,11sleep13815251-21python309:00:251
366604399177,7cyclictest38930032sleep309:53:323
3666043991715,1cyclictest0-21swapper/307:40:053
3666043991715,1cyclictest0-21swapper/307:40:043
3666043991714,1cyclictest0-21swapper/311:40:153
3666043991714,1cyclictest0-21swapper/311:35:153
3666043991714,1cyclictest0-21swapper/311:25:233
3666043991714,1cyclictest0-21swapper/310:08:243
3666043991714,1cyclictest0-21swapper/308:25:183
366604399171,13cyclictest4153211-21taskset12:36:553
366604399171,13cyclictest4153211-21taskset12:36:553
366604399171,13cyclictest4049525-21taskset11:30:243
366604399171,13cyclictest3995219-21taskset10:57:263
366604399171,13cyclictest3995219-21taskset10:57:253
366604399171,13cyclictest3796683-21chrt08:50:003
366604399171,13cyclictest3687200-21taskset07:21:443
366604399171,12cyclictest4083908-21chrt11:55:153
366604399171,12cyclictest3986630-21taskset10:50:353
366604399171,12cyclictest3876096-21taskset09:40:273
366604399171,12cyclictest3796966-21taskset08:50:113
366604399171,12cyclictest3720007-21taskset07:50:153
366604399171,12cyclictest3713388-21taskset07:45:053
3666043991710,4cyclictest36806552chrt07:15:443
41125122161,4sleep24112595-21ntpq12:10:212
3666043991614,1cyclictest0-21swapper/310:20:043
3666043991613,1cyclictest0-21swapper/308:30:173
366604399161,12cyclictest4138806-21taskset12:30:023
366604399161,12cyclictest3822754-21taskset09:10:123
366604399161,12cyclictest3789963-21taskset08:41:143
366604399161,12cyclictest3738435-21taskset08:01:063
366604399161,12cyclictest3732188-21taskset07:58:123
366604399161,12cyclictest3694104-21taskset07:30:023
366604399160,12cyclictest3751880-21taskset08:15:083
37602822151,10sleep03762023-21cut08:20:190
129998150,10rtkit-daemon4132694-21cut12:25:162
41181552140,3sleep14120033-21kthreadcore12:15:181
129998140,6rtkit-daemon0-21swapper/209:42:232
129998140,3rtkit-daemon3993968-21ntp_states10:55:230
129998140,3rtkit-daemon3993968-21ntp_states10:55:230
40700832130,10sleep04071745-21cut11:45:180
38546642130,9sleep03854818-21grep09:30:160
37894572130,9sleep23789572-21python308:40:252
41447942120,9sleep14144798-21ssh12:30:341
41166272120,9sleep04118153-21cut12:15:170
40990742120,8sleep14099080-21ssh12:04:591
38717622120,5sleep13873339-21kthreadcore09:40:191
36728192120,4sleep23672473-21appstreamcli07:15:022
129998120,8rtkit-daemon3996246-21sendmail-msp11:00:010
129998120,8rtkit-daemon3706754-21latency_hist07:40:011
129998120,8rtkit-daemon3706754-21latency_hist07:40:001
41283652110,8sleep04128412-21ntpq12:20:230
40608622110,8sleep04061792-21cut11:40:160
40526762110,8sleep24053424-21grep11:35:182
37328152110,8sleep13732990-21cut08:00:151
37134932110,8sleep13713594-21/usr/sbin/munin07:45:121
129998110,7rtkit-daemon3971299-21ssh10:41:480
129998110,6rtkit-daemon222-21plymouthd08:08:372
129998110,4rtkit-daemon3869275-21ssh09:38:142
129998110,2rtkit-daemon222-21plymouthd10:51:172
41398392100,7sleep04140592-21grep12:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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