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2026-05-11 - 02:08
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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 Sun May 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92074421250,2sleep1321rcuc/110:50:171
104712721190,1sleep21047119-21ntpq12:10:212
6818032710,10sleep134-21ksoftirqd/108:10:171
6818032710,10sleep134-21ksoftirqd/108:10:171
6219622690,2sleep2421rcuc/207:20:192
601805992623,1cyclictest0-21swapper/310:30:003
5997092260,3sleep1321rcuc/107:05:191
601805992522,1cyclictest0-21swapper/312:25:183
60180599236,6cyclictest732425-21turbostat08:50:013
601805992320,1cyclictest0-21swapper/309:20:123
601805992219,1cyclictest0-21swapper/311:20:003
60180599221,15cyclictest700301-21sleep08:25:003
601805992118,1cyclictest0-21swapper/310:15:013
601805992118,1cyclictest0-21swapper/307:50:193
60180599209,7cyclictest9145202sleep310:47:283
601805992018,1cyclictest0-21swapper/308:10:003
601805992017,1cyclictest0-21swapper/312:25:013
601805992017,1cyclictest0-21swapper/308:55:013
60180599201,15cyclictest6393372sleep307:35:213
60180599201,14cyclictest927367-21chrt10:55:213
9096362190,10sleep2431ktimers/210:45:182
601805991916,1cyclictest0-21swapper/312:40:003
601805991916,1cyclictest0-21swapper/311:10:203
601805991916,1cyclictest0-21swapper/311:05:233
601805991916,1cyclictest0-21swapper/310:15:113
601805991916,1cyclictest0-21swapper/309:25:233
60180599191,14cyclictest800989-21taskset09:35:193
60180599191,14cyclictest655037-21taskset07:46:423
60180599191,14cyclictest648915-21sleep07:45:003
60180599191,13cyclictest845007-21taskset10:05:013
60180599191,13cyclictest758056-21taskset09:09:573
8702002180,1sleep30-21swapper/310:20:173
601805991816,1cyclictest0-21swapper/312:30:223
601805991815,1cyclictest0-21swapper/312:10:003
601805991815,1cyclictest0-21swapper/311:20:183
60180599181,13cyclictest984201-21taskset11:30:243
60180599181,13cyclictest937758-21taskset11:00:583
60180599181,13cyclictest921985-21taskset10:51:043
60180599181,13cyclictest891832-21taskset10:34:563
60180599181,13cyclictest821773-21taskset09:50:143
60180599181,13cyclictest812199-21taskset09:42:083
60180599181,13cyclictest725680-21taskset08:41:263
60180599181,13cyclictest1025738-21taskset11:59:563
60180599181,13cyclictest1016233-21taskset11:50:303
60180599180,9cyclictest623248-21taskset07:25:013
60180599177,7cyclictest6870772sleep308:11:213
60180599177,7cyclictest6870772sleep308:11:203
60180599177,6cyclictest7515202sleep309:02:523
60180599176,8cyclictest829224-21taskset09:55:113
601805991714,1cyclictest0-21swapper/312:00:203
60180599171,13cyclictest986601-21taskset11:35:023
60180599171,13cyclictest976895-21chrt11:25:403
60180599171,13cyclictest907428-21taskset10:44:343
60180599171,13cyclictest844768-21turbostat10:05:003
60180599171,13cyclictest765469-21taskset09:13:493
60180599171,13cyclictest635876-21taskset07:33:193
60180599171,13cyclictest629424-21taskset07:27:503
60180599171,13cyclictest1000837-21taskset11:41:353
60180599171,12cyclictest674282-21taskset08:01:453
60180599171,12cyclictest616469-21taskset07:16:343
60180599171,12cyclictest602162-21taskset07:10:143
60180599171,12cyclictest1049570-21taskset12:15:103
60180599171,12cyclictest1041811-21chrt12:10:103
60180599171,12cyclictest1002360-21taskset11:45:043
6013522171,2sleep30-21swapper/307:06:173
10805062170,9sleep21080514-21ssh12:34:122
8761412161,11sleep1876253-21grep10:25:011
7443362160,12sleep1744385-21ntpq08:55:241
601805991613,1cyclictest0-21swapper/309:30:133
601805991613,1cyclictest0-21swapper/309:15:163
601805991613,1cyclictest0-21swapper/308:55:163
60180599161,12cyclictest813508-21taskset09:45:053
60180599161,12cyclictest719152-21taskset08:35:533
60180599161,12cyclictest712702-21taskset08:30:283
60180599161,12cyclictest706590-21taskset08:29:083
60180599161,12cyclictest662932-21taskset07:55:163
60180599161,11cyclictest892588-21taskset10:35:153
7058442155,7sleep1705951-21systemctl08:25:261
60180599151,11cyclictest687632-21taskset08:15:083
129998150,10rtkit-daemon745315-21sendmail-msp09:00:030
8660062141,9sleep1866050-21ssh10:15:231
8354952141,9sleep1835499-21ssh09:56:171
8109892131,3sleep1222-21plymouthd09:40:231
6479132130,10sleep2647956-21ntpq07:40:212
129998130,9rtkit-daemon979-21lldpd08:28:350
129998130,8rtkit-daemon1010202-21ssh11:50:031
10815322130,6sleep21082094-21irqrtprio12:35:162
8936362123,6sleep1895156-21kthreadcore10:35:191
6171172121,2sleep00-21swapper/007:20:130
129998120,5rtkit-daemon171rcu_preempt07:47:000
129998120,3rtkit-daemon641508-21ntpq07:35:230
129998120,3rtkit-daemon1002438-21apt-get11:45:111
9779912110,1sleep00-21swapper/011:28:470
9466762110,8sleep0946684-21ssh11:09:020
6764082110,8sleep2678119-21grep08:05:182
6637422110,8sleep0665462-21cut07:55:180
6619712110,2sleep20-21swapper/207:55:082
6491832112,5sleep1649180-21apt-get07:45:131
6019672111,6sleep0602000-21apt-get07:10:110
129998110,7rtkit-daemon833728-21cut09:55:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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