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2026-04-22 - 23:00
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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 Apr 22, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3061213992825,1cyclictest0-21swapper/312:25:003
3061213992623,1cyclictest0-21swapper/309:30:233
3061213992522,1cyclictest0-21swapper/310:00:003
3061213992421,1cyclictest0-21swapper/310:15:003
3061213992421,1cyclictest0-21swapper/309:00:013
129998240,10rtkit-daemon3340408-21python310:25:262
3061213992320,1cyclictest0-21swapper/308:30:173
32653772220,1sleep30-21swapper/309:40:143
3061213992219,1cyclictest0-21swapper/309:40:013
3061213992219,1cyclictest0-21swapper/309:10:203
3061213992118,1cyclictest0-21swapper/312:40:013
306121399211,15cyclictest3496235-21taskset12:05:403
306121399211,15cyclictest3474183-21taskset11:54:333
306121399211,15cyclictest3076262-21turbostat07:20:013
3061213992018,1cyclictest0-21swapper/311:10:253
3061213992017,1cyclictest0-21swapper/311:05:013
3061213992017,1cyclictest0-21swapper/310:55:013
3061213991917,1cyclictest0-21swapper/310:40:193
3061213991916,1cyclictest0-21swapper/311:40:193
3061213991916,1cyclictest0-21swapper/309:50:213
3061213991916,1cyclictest0-21swapper/309:20:123
306121399191,14cyclictest3372818-21taskset10:48:303
306121399191,14cyclictest3349108-21taskset10:32:223
306121399191,14cyclictest3248895-21taskset09:29:083
306121399191,13cyclictest3279411-21chrt09:47:363
306121399191,13cyclictest3231560-21chrt09:15:253
306121399191,13cyclictest3115258-21taskset07:50:023
306121399182,12cyclictest3535672-21taskset12:32:303
3061213991816,1cyclictest0-21swapper/310:00:183
3061213991815,1cyclictest0-21swapper/310:25:213
306121399181,13cyclictest3481339-21taskset11:57:383
306121399181,13cyclictest3449749-21taskset11:35:573
306121399181,13cyclictest3433112-21chrt11:25:193
306121399181,13cyclictest3418789-21taskset11:16:213
306121399181,13cyclictest3403675-21taskset11:07:433
306121399181,13cyclictest3357365-21taskset10:38:443
306121399181,13cyclictest3325168-21taskset10:15:263
306121399181,13cyclictest3198463-21taskset08:51:393
306121399181,13cyclictest3140465-21taskset08:06:493
306121399181,13cyclictest3102393-21taskset07:40:073
306121399181,13cyclictest3102080-21taskset07:39:393
306121399181,13cyclictest3083006-21taskset07:25:083
129998180,12rtkit-daemon33110082chrt10:09:322
3061213991714,1cyclictest0-21swapper/312:00:013
3061213991714,1cyclictest0-21swapper/312:00:003
3061213991714,1cyclictest0-21swapper/308:20:003
3061213991714,1cyclictest0-21swapper/308:10:143
3061213991714,1cyclictest0-21swapper/308:00:153
306121399171,13cyclictest3442971-21taskset11:33:533
306121399171,13cyclictest3381476-21taskset10:55:113
306121399171,13cyclictest3217740-21taskset09:06:073
306121399171,13cyclictest3211299-21taskset09:00:293
306121399171,13cyclictest3185506-21taskset08:41:293
306121399171,13cyclictest3153915-21taskset08:20:083
306121399171,12cyclictest3527509-21taskset12:26:093
306121399171,12cyclictest3511751-21taskset12:15:343
306121399171,12cyclictest3420335-21taskset11:20:093
306121399171,12cyclictest3327031-21taskset10:20:083
306121399171,12cyclictest3327031-21taskset10:20:083
306121399171,12cyclictest3178501-21taskset08:35:243
33710762161,11sleep13371164-21ntpq10:45:201
31603392162,4sleep13160372-21apt-get08:25:121
3061213991613,1cyclictest0-21swapper/307:55:213
3061213991613,1cyclictest0-21swapper/307:45:263
306121399161,12cyclictest3504563-21taskset12:12:253
306121399161,12cyclictest3459131-21taskset11:45:073
306121399161,12cyclictest3309722-21taskset10:05:433
306121399161,12cyclictest3191969-21taskset08:46:303
306121399161,12cyclictest3095407-21chrt07:32:103
306121399161,12cyclictest3082458-21taskset07:21:223
306121399160,13cyclictest3165539-21taskset08:25:203
306121399160,12cyclictest3062709-21taskset07:10:173
34334672141,10sleep13433511-21ntpq11:25:221
33886202141,2sleep10-21swapper/110:59:081
32473322140,10sleep23247538-21grep09:25:272
31526802141,5sleep13152714-21ntpq08:15:221
31226232140,11sleep03123536-21cut07:55:170
34037112131,9sleep13403715-21ssh11:07:501
33098042131,9sleep13309806-21ssh10:05:591
30759942131,9sleep03075995-21cron07:17:000
129998130,9rtkit-daemon3386892-21ntp_states10:55:230
34349522121,8sleep23434956-21ssh11:28:072
33595602121,8sleep03360897-21ssh10:40:180
32558022120,9sleep23255803-21sh09:31:362
31561272120,9sleep13157898-21grep08:20:191
31399052121,3sleep23140027-21python308:05:242
30958972121,3sleep23095930-21apt-get07:35:102
129998120,3rtkit-daemon703-21mta-sts-daemon11:40:322
129998120,3rtkit-daemon222-21plymouthd09:27:360
35368752113,4sleep23536868-21apt-get12:35:112
35277882117,2sleep13521635-21kworker/u16:1+xprtiod12:27:041
34022752110,8sleep00-21swapper/011:05:200
33194432110,8sleep23319579-21expr10:15:142
32722172113,2sleep2171rcu_preempt09:44:112
32173562111,6sleep13217498-21cat09:05:251
32055412110,8sleep23205651-21grep09:00:122
31405452110,2sleep1222-21plymouthd08:07:531
129998110,7rtkit-daemon1000-21snmpd10:21:152
129998110,7rtkit-daemon1000-21snmpd10:21:152
129998110,6rtkit-daemon739-21wpa_supplicant11:53:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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