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2026-06-12 - 23:34
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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 Fri Jun 12, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75641421440,3sleep0151ktimers/008:20:130
8818732650,8sleep244-21ksoftirqd/209:48:562
664103994340,1cyclictest0-21swapper/310:57:573
664103992921,6cyclictest851208-21sleep09:30:003
664103992320,1cyclictest0-21swapper/311:05:093
664103992320,1cyclictest0-21swapper/311:00:063
664103992219,1cyclictest0-21swapper/312:40:013
664103992219,1cyclictest0-21swapper/307:40:053
66410399221,16cyclictest742307-21chrt08:05:253
66410399219,8cyclictest11305042sleep312:29:323
664103992119,1cyclictest0-21swapper/310:40:173
664103992118,1cyclictest0-21swapper/310:35:003
66410399211,14cyclictest1053110-21turbostat11:40:003
66410399209,7cyclictest704748-21turbostat07:40:003
66410399202,14cyclictest685390-21taskset07:24:363
664103992017,1cyclictest0-21swapper/311:20:043
664103992017,1cyclictest0-21swapper/310:00:203
664103992017,1cyclictest0-21swapper/308:45:173
664103992017,1cyclictest0-21swapper/308:10:153
66410399201,14cyclictest944159-21taskset10:29:263
66410399201,14cyclictest1137427-21taskset12:32:073
66410399192,13cyclictest1113622-21taskset12:15:273
664103991916,1cyclictest0-21swapper/309:45:183
664103991916,1cyclictest0-21swapper/309:00:013
664103991916,1cyclictest0-21swapper/308:20:013
66410399191,14cyclictest981061-21taskset10:50:233
66410399191,14cyclictest863792-21taskset09:35:183
66410399191,14cyclictest756288-21chrt08:20:123
66410399191,13cyclictest975307-21taskset10:49:553
66410399191,13cyclictest959862-21turbostat10:40:013
66410399191,13cyclictest717546-21sleep07:54:553
66410399191,13cyclictest685766-21chrt07:25:163
66410399191,13cyclictest1014537-21taskset11:15:013
66410399190,13cyclictest775331-21taskset08:35:003
66410399188,7cyclictest7687852sleep308:29:163
664103991816,1cyclictest0-21swapper/311:30:003
664103991816,1cyclictest0-21swapper/309:34:233
664103991815,1cyclictest0-21swapper/312:05:263
664103991815,1cyclictest0-21swapper/311:40:163
664103991815,1cyclictest0-21swapper/311:10:183
664103991815,1cyclictest0-21swapper/310:05:163
664103991815,1cyclictest0-21swapper/309:40:093
664103991815,1cyclictest0-21swapper/307:30:303
664103991815,1cyclictest0-21swapper/307:15:263
66410399181,14cyclictest801148-21taskset08:55:013
66410399181,13cyclictest921083-21taskset10:14:553
66410399181,13cyclictest842543-21taskset09:22:353
66410399181,13cyclictest826905-21taskset09:12:003
66410399181,13cyclictest787770-21taskset08:40:333
66410399181,13cyclictest1106529-21taskset12:12:273
66410399181,13cyclictest1067490-21taskset11:46:493
66410399181,13cyclictest1038090-21taskset11:30:143
66410399180,13cyclictest730319-21taskset07:59:573
664103991715,1cyclictest0-21swapper/312:20:013
66410399171,13cyclictest928557-21taskset10:19:083
66410399171,13cyclictest834370-21taskset09:16:173
66410399171,13cyclictest776037-21taskset08:35:163
66410399171,12cyclictest935096-21taskset10:20:363
66410399171,12cyclictest895086-21taskset09:55:183
66410399171,12cyclictest882539-21chrt09:50:063
66410399171,12cyclictest730650-21chrt08:00:123
66410399165,7cyclictest10770342sleep311:55:163
664103991614,1cyclictest0-21swapper/308:55:253
664103991614,1cyclictest0-21swapper/308:55:243
664103991613,1cyclictest0-21swapper/311:50:193
66410399161,12cyclictest814054-21taskset09:05:043
66410399161,12cyclictest717229-21taskset07:46:303
66410399161,12cyclictest670086-21taskset07:10:533
66410399161,12cyclictest1090487-21taskset12:01:043
6638212150,2sleep30-21swapper/307:08:373
8081212140,3sleep2808621-21irqrtprio09:00:182
8016272140,11sleep1802053-21cut08:55:151
8016272140,11sleep1802053-21cut08:55:151
6881140,3low-memory-moni983529-21apt-get10:55:141
9544702130,10sleep0956156-21tr10:35:180
9257722131,9sleep2926557-21missed_timers10:15:192
9111922131,4sleep0222-21plymouthd10:05:240
8064662130,3sleep0222-21plymouthd08:55:220
8064662130,3sleep0222-21plymouthd08:55:220
6694992131,9sleep0669546-21ntp_states07:10:230
8489822120,9sleep1849032-21ntpq09:25:221
7168302121,3sleep1222-21plymouthd07:45:281
10480962120,8sleep21049837-21kthreadcore11:35:182
10293442121,8sleep21029342-21ssh11:23:442
8587052110,8sleep1858709-21ssh09:34:221
6633372110,4sleep20-21swapper/207:05:282
10995862110,8sleep01099645-21ssh12:10:000
10898002110,8sleep01089861-21sendmail_mailst12:00:260
9986522100,7sleep1998658-21ssh11:04:431
9679772101,7sleep1968133-21df_inode10:45:131
9601422100,7sleep2960148-21ssh10:40:052
8984952100,7sleep2898805-21sed10:00:162
8957422101,7sleep0895852-21awk09:55:240
8828102101,6sleep2883013-21idleruntime09:50:172
8353842100,1sleep10-21swapper/109:19:211
7325882100,7sleep0734349-21kthreadcore08:00:190
7109112100,1sleep10-21swapper/107:42:231
6982152100,7sleep2222-21plymouthd07:34:222
6912632101,3sleep1691476-21unixbench_singl07:25:321
6871652100,8sleep0688432-21cut07:25:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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