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2026-04-27 - 04:15
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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 Apr 27, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368952421270,2sleep1321rcuc/122:35:181
3397249993936,1cyclictest0-21swapper/321:30:003
3397249993027,1cyclictest0-21swapper/321:00:003
36195422270,2sleep1321rcuc/121:50:201
3397249992724,1cyclictest0-21swapper/319:15:003
339724999242,17cyclictest3597701-21chrt21:35:183
3397249992421,1cyclictest0-21swapper/323:20:023
3397249992421,1cyclictest0-21swapper/322:35:003
3397249992321,0cyclictest0-21swapper/321:10:233
339724999231,17cyclictest3692265-21chrt22:35:243
339724999221,17cyclictest3593336-21sleep21:35:003
3397249992118,1cyclictest0-21swapper/323:40:003
339724999211,15cyclictest3709780-21taskset22:49:553
339724999211,15cyclictest3640115-21taskset22:05:013
3397249992018,1cyclictest0-21swapper/300:00:163
3397249992017,1cyclictest0-21swapper/321:23:563
339724999199,7cyclictest37393322sleep323:05:363
339724999192,12cyclictest3676610-21chrt22:25:223
339724999192,12cyclictest3419077-21chrt19:25:133
339724999192,12cyclictest3419077-21chrt19:25:133
3397249991917,1cyclictest0-21swapper/322:00:013
3397249991916,1cyclictest0-21swapper/300:20:183
339724999191,14cyclictest3640263-21taskset22:05:093
339724999191,14cyclictest3623827-21taskset21:53:263
339724999191,14cyclictest3511382-21taskset20:35:173
339724999191,14cyclictest3496297-21taskset20:23:183
339724999191,14cyclictest3477275-21taskset20:10:073
339724999191,14cyclictest3444394-21taskset19:41:173
339724999191,13cyclictest3795015-21taskset23:44:563
339724999191,13cyclictest3748870-21chrt23:15:133
36767372181,13sleep23671335-21/usr/sbin/munin22:25:262
339724999189,6cyclictest38720452sleep300:32:563
3397249991815,1cyclictest0-21swapper/323:55:143
3397249991815,1cyclictest0-21swapper/320:00:143
3397249991815,1cyclictest0-21swapper/319:30:203
3397249991815,1cyclictest0-21swapper/300:15:203
339724999181,13cyclictest3863870-21taskset00:26:293
339724999181,13cyclictest3831819-21taskset00:05:203
339724999181,13cyclictest3801532-21taskset23:46:003
339724999181,13cyclictest3694310-21sleep22:44:553
339724999181,13cyclictest3601415-21taskset21:40:113
339724999181,13cyclictest3554282-21taskset21:06:403
339724999181,13cyclictest3528472-21taskset20:46:473
339724999181,13cyclictest3522161-21taskset20:43:473
339724999181,13cyclictest3463953-21taskset19:59:053
339724999180,14cyclictest3716703-21taskset22:52:323
339724999179,4cyclictest38031772chrt23:50:133
3397249991714,1cyclictest0-21swapper/323:10:183
3397249991714,1cyclictest0-21swapper/322:20:273
339724999171,13cyclictest3879424-21taskset00:36:523
339724999171,13cyclictest3771689-21taskset23:29:483
339724999171,13cyclictest3725588-21taskset23:00:103
339724999171,13cyclictest3654723-21taskset22:12:433
339724999171,13cyclictest3615503-21taskset21:46:333
339724999171,13cyclictest3476736-21taskset20:06:263
339724999171,13cyclictest3412597-21taskset19:20:083
339724999171,12cyclictest3778157-21taskset23:31:053
339724999171,12cyclictest3541914-21taskset21:00:103
339724999171,12cyclictest3451408-21taskset19:50:073
339724999170,13cyclictest3569057-21taskset21:16:503
129998170,13rtkit-daemon3631587-21ssh21:58:200
339724999162,11cyclictest3450996-21taskset19:48:023
3397249991613,1cyclictest0-21swapper/322:55:173
3397249991613,1cyclictest0-21swapper/322:15:183
3397249991613,1cyclictest0-21swapper/320:25:203
3397249991613,1cyclictest0-21swapper/319:15:143
339724999161,12cyclictest3509035-21taskset20:31:123
339724999161,12cyclictest3488846-21taskset20:15:203
339724999161,12cyclictest3437899-21taskset19:35:523
339724999160,12cyclictest3834227-21taskset00:10:103
339724999160,12cyclictest3534908-21taskset20:51:483
129998160,2rtkit-daemon0-21swapper/022:25:190
383589621510,2sleep20-21swapper/200:10:182
355357421510,3sleep03553610-21collect221:05:210
34902522151,4sleep23490284-21apt-get20:20:132
38642182140,1sleep10-21swapper/100:27:361
37972962140,11sleep03799029-21cut23:45:180
34578312140,10sleep23457862-21apt19:55:122
33910802145,5sleep13391130-21grep19:05:161
36092172130,10sleep23609221-21ssh21:45:122
34967022130,9sleep13496735-21apt-get20:25:131
129998130,8rtkit-daemon3615612-21ssh21:46:510
129998130,8rtkit-daemon2195379-21ntpd21:15:192
129998130,7rtkit-daemon3433725-21grep19:35:172
129998130,3rtkit-daemon3685876-21ssh22:33:100
129998130,3rtkit-daemon3586123-21df_inode21:30:150
38655372120,9sleep03865690-21/usr/sbin/munin00:30:160
38109912126,2sleep00-21swapper/023:55:120
37001802121,8sleep03700290-21xargs22:40:270
36313832121,8sleep13631389-21ssh21:57:461
35999022121,4sleep2222-21plymouthd21:36:342
129998120,8rtkit-daemon3473900-21kthreadcore20:05:182
129998120,4rtkit-daemon314-21systemd-journal20:58:332
38493972110,3sleep2222-21plymouthd00:19:482
37953562110,8sleep13795361-21/usr/sbin/munin23:45:111
37095062111,3sleep2222-21plymouthd22:49:112
37023702111,6sleep13702376-21ssh22:45:131
36324442110,3sleep13632233-21appstreamcli22:00:031
35834832110,8sleep13583521-21ntpq21:25:231
35757842110,8sleep03575827-21ntp_states21:20:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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