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2026-06-13 - 12:50
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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 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3959285992926,1cyclictest0-21swapper/323:15:173
40826402240,1sleep30-21swapper/320:40:453
3959285992421,1cyclictest0-21swapper/320:10:243
3959285992421,1cyclictest0-21swapper/300:40:003
3959285992421,1cyclictest0-21swapper/300:25:003
419233022318,3sleep10-21swapper/121:59:151
3959285992320,1cyclictest0-21swapper/322:25:013
3959285992220,1cyclictest0-21swapper/321:55:003
3959285992219,1cyclictest0-21swapper/321:15:003
3959285992219,1cyclictest0-21swapper/321:05:283
395928599221,15cyclictest52934-21taskset22:35:003
3959285992118,1cyclictest0-21swapper/319:30:133
395928599211,16cyclictest176388-21taskset23:54:033
395928599211,15cyclictest68915-21chrt22:45:143
395928599211,14cyclictest4051250-21taskset20:20:013
3959285992017,1cyclictest0-21swapper/320:45:173
3959285992017,1cyclictest0-21swapper/319:15:163
395928599201,14cyclictest4177134-21turbostat21:50:003
395928599201,14cyclictest4095691-21taskset20:53:243
395928599199,6cyclictest40764702sleep320:38:473
395928599194,9cyclictest4122788-21sleep21:19:553
3959285991916,1cyclictest0-21swapper/323:35:193
3959285991916,1cyclictest0-21swapper/321:55:283
395928599191,14cyclictest4038034-21taskset20:09:113
395928599191,13cyclictest6713-21taskset22:05:013
395928599189,6cyclictest40058562sleep319:41:133
395928599188,7cyclictest41313272sleep321:20:163
3959285991816,1cyclictest0-21swapper/323:40:013
3959285991815,1cyclictest0-21swapper/323:20:183
3959285991815,1cyclictest0-21swapper/322:37:503
3959285991815,1cyclictest0-21swapper/322:15:253
3959285991815,1cyclictest0-21swapper/321:45:003
3959285991815,1cyclictest0-21swapper/300:30:163
395928599181,13cyclictest90396-21taskset22:56:173
395928599181,13cyclictest90396-21taskset22:56:163
395928599181,13cyclictest4025569-21taskset20:00:093
395928599181,13cyclictest4024986-21taskset19:56:123
395928599181,13cyclictest4008899-21taskset19:45:183
395928599181,13cyclictest4008899-21taskset19:45:173
395928599181,13cyclictest206704-21taskset00:11:513
395928599181,13cyclictest191606-21taskset00:03:013
395928599181,13cyclictest168969-21taskset23:49:453
395928599181,13cyclictest130702-21chrt23:25:123
395928599181,13cyclictest110192-21taskset23:10:173
395928599181,12cyclictest3959443-21taskset19:10:023
3959285991714,1cyclictest0-21swapper/322:00:183
3959285991714,1cyclictest0-21swapper/321:25:153
3959285991714,1cyclictest0-21swapper/321:25:153
3959285991714,1cyclictest0-21swapper/320:25:133
3959285991714,1cyclictest0-21swapper/319:20:113
395928599171,13cyclictest66255-21taskset22:40:223
395928599171,13cyclictest4064051-21taskset20:30:033
395928599171,13cyclictest4050955-21taskset20:19:453
395928599171,13cyclictest40438-21taskset22:25:183
395928599171,13cyclictest198868-21taskset00:06:343
395928599171,12cyclictest99623-21taskset23:05:073
395928599171,12cyclictest91950-21taskset23:00:103
395928599171,12cyclictest82648-21taskset22:51:123
395928599171,12cyclictest4160408-21taskset21:36:353
395928599171,12cyclictest4095851-21sleep20:59:553
395928599171,12cyclictest3999380-21taskset19:35:553
395928599171,12cyclictest3999380-21taskset19:35:543
395928599171,12cyclictest3980846-21taskset19:25:123
395928599171,12cyclictest214059-21taskset00:15:483
395928599171,12cyclictest14467-21taskset22:10:113
395928599171,12cyclictest141808-21taskset23:30:173
3959285991613,1cyclictest0-21swapper/300:25:163
395928599161,12cyclictest4108303-21taskset21:01:233
395928599161,12cyclictest4012798-21taskset19:50:073
395928599161,12cyclictest181777-21taskset23:55:183
395928599161,11cyclictest4146388-21taskset21:30:043
1205002161,11sleep0120582-21/usr/sbin/munin23:15:230
41693872150,11sleep24169448-21ssh21:45:002
41460982150,7sleep14146113-21unix_chkpwd21:30:001
41460982150,7sleep14146113-21unix_chkpwd21:29:591
662082141,4sleep266244-21ssh22:40:222
40369972140,10sleep14037139-21sed20:05:211
844252131,9sleep084631-21/usr/sbin/munin22:55:150
844252131,9sleep084631-21/usr/sbin/munin22:55:140
740062130,10sleep274056-21ssh22:45:222
59572130,9sleep25963-21ssh22:03:332
41283292131,4sleep24128370-21ntpq21:15:222
40676842131,9sleep24069073-21/usr/sbin/munin20:30:192
39588282130,1sleep30-21swapper/319:05:543
2228252130,5sleep0222831-21ssh00:23:520
41576912121,8sleep04159219-21/usr/sbin/munin21:35:200
41417182121,4sleep24143287-21ssh21:25:162
41417182121,4sleep24143287-21ssh21:25:152
41088942120,2sleep0222-21plymouthd21:05:130
40125372121,8sleep01-21systemd19:50:010
40125372121,8sleep01-21systemd19:50:000
377742121,8sleep137780-21ssh22:25:121
1988472121,8sleep0198853-21ssh00:06:320
159042124,5sleep117074-21grep22:10:181
1290802121,3sleep0222-21plymouthd23:21:170
919452111,7sleep291677-21sendmail-msp23:00:102
552102111,7sleep256884-21kthreadcore22:35:152
40717112111,7sleep24072693-21cut20:35:172
39972392111,7sleep23998591-21load19:35:192
39972392111,7sleep23998591-21load19:35:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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