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2026-05-09 - 11:56
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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 May 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
344129121340,2sleep0221rcuc/021:30:000
360904921200,1sleep00-21swapper/023:15:160
36801222260,1sleep20-21swapper/200:00:172
3253255992623,1cyclictest0-21swapper/323:40:013
3253255992522,1cyclictest0-21swapper/321:00:003
3253255992522,1cyclictest0-21swapper/321:00:003
3253255992421,1cyclictest0-21swapper/322:25:263
3253255992421,1cyclictest0-21swapper/321:10:143
3253255992421,1cyclictest0-21swapper/319:40:023
3253255992219,1cyclictest0-21swapper/321:05:213
325325599212,15cyclictest3713981-21taskset00:20:183
3253255992118,1cyclictest0-21swapper/323:25:003
33389982201,8sleep03339004-21cron20:15:010
325325599202,14cyclictest3383789-21taskset20:47:223
3253255992017,1cyclictest0-21swapper/322:30:153
3253255992017,1cyclictest0-21swapper/321:30:143
3253255992017,1cyclictest0-21swapper/320:29:303
3253255992017,1cyclictest0-21swapper/300:05:233
325325599201,14cyclictest3274458-21taskset19:21:593
325325599198,7cyclictest37404872sleep300:36:193
325325599192,13cyclictest3567530-21taskset22:49:293
325325599192,13cyclictest3465800-21taskset21:45:153
3253255991916,1cyclictest0-21swapper/323:00:213
3253255991916,1cyclictest0-21swapper/321:40:053
3253255991916,1cyclictest0-21swapper/320:05:153
3253255991916,1cyclictest0-21swapper/319:40:003
325325599191,14cyclictest3606390-21taskset23:12:393
325325599191,14cyclictest3496898-21taskset22:05:033
325325599191,14cyclictest3390080-21taskset20:50:503
325325599190,14cyclictest3512695-21taskset22:15:023
325325599188,7cyclictest33714252sleep320:40:093
325325599182,13cyclictest3574702-21taskset22:52:263
325325599182,13cyclictest3574702-21taskset22:52:263
3253255991815,1cyclictest0-21swapper/323:40:033
3253255991815,1cyclictest0-21swapper/322:20:033
3253255991815,1cyclictest0-21swapper/321:50:123
3253255991815,1cyclictest0-21swapper/321:15:123
3253255991815,1cyclictest0-21swapper/319:50:183
3253255991815,1cyclictest0-21swapper/319:15:143
3253255991815,1cyclictest0-21swapper/319:15:143
325325599181,13cyclictest3702685-21chrt00:15:133
325325599181,13cyclictest3700150-21taskset00:10:243
325325599181,13cyclictest3678521-21turbostat00:00:003
325325599181,13cyclictest3658400-21taskset23:45:183
325325599181,13cyclictest3495195-21taskset22:01:063
325325599181,13cyclictest3371089-21taskset20:39:203
325325599181,13cyclictest3339302-21taskset20:15:113
325325599180,13cyclictest3358338-21sleep20:34:563
325325599177,7cyclictest34029782sleep321:00:463
3253255991715,1cyclictest0-21swapper/320:00:023
3253255991714,1cyclictest0-21swapper/320:00:013
325325599171,13cyclictest3733209-21taskset00:33:013
325325599171,13cyclictest3630408-21taskset23:28:343
325325599171,13cyclictest3552226-21taskset22:40:033
325325599171,13cyclictest3488553-21taskset21:59:463
325325599171,13cyclictest3431932-21taskset21:21:013
325325599171,13cyclictest3351842-21taskset20:24:253
325325599171,13cyclictest3259435-21taskset19:13:013
325325599171,13cyclictest3259435-21taskset19:13:013
325325599171,12cyclictest3718444-21chrt00:25:113
325325599171,12cyclictest3684884-21taskset00:00:413
325325599171,12cyclictest3591820-21chrt23:05:133
325325599171,12cyclictest3581930-21taskset22:55:353
325325599171,12cyclictest3544327-21taskset22:35:063
325325599171,12cyclictest3510859-21taskset22:10:403
325325599171,12cyclictest3455555-21taskset21:35:493
325325599171,12cyclictest3440877-21taskset21:28:593
325325599171,12cyclictest3281410-21taskset19:30:093
325325599171,12cyclictest3280911-21taskset19:27:243
34601462161,2sleep20-21swapper/221:40:182
325325599165,8cyclictest3662885-21taskset23:50:033
325325599161,12cyclictest3613513-21taskset23:15:273
325325599161,12cyclictest3338510-21taskset20:10:263
325325599161,12cyclictest3305832-21taskset19:45:203
325325599160,12cyclictest3634562-21taskset23:30:193
129998160,3rtkit-daemon0-21swapper/021:17:350
34361422150,7sleep2421rcuc/221:25:172
36919262141,10sleep03692070-21/usr/sbin/munin00:05:210
35282122141,9sleep23528251-21idleruntime-cro22:25:002
32841912141,10sleep03286007-21cut19:30:190
37000562133,5sleep13700097-21ntpq00:10:231
35198082130,10sleep13519812-21ssh22:18:411
35180472131,4sleep23518091-21ntpq22:15:222
32529212131,2sleep20-21swapper/219:08:122
37316352121,8sleep13731679-21ssh00:30:231
37251732120,8sleep13725177-21ssh00:27:551
36683142121,3sleep23668360-21ntpq23:50:232
36302902120,5sleep13630296-21ssh23:28:091
35903532121,8sleep13590359-21ssh23:02:111
35676852120,9sleep13567883-21date22:50:001
35576292121,8sleep13557682-21ps22:40:221
129998120,9rtkit-daemon703-21mta-sts-daemon21:55:142
129998120,2rtkit-daemon222-21plymouthd23:39:270
37342352112,5sleep1222-21plymouthd00:35:121
37166882110,8sleep23716697-21ssh00:21:142
37115142110,7sleep13712339-21grep00:20:171
36782392111,7sleep13678245-21ssh23:59:241
36377682110,8sleep23637775-21sh23:32:032
35682192111,7sleep23568390-21tail22:50:142
35682192111,7sleep23568390-21tail22:50:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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