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2026-08-03 - 21:23
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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 Aug 03, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
373666023170,1sleep13736661-21hddtemp_smartct11:40:161
351632121360,1sleep13516324-21cut09:20:161
37890362640,1sleep00-21swapper/012:10:260
35005622420,3sleep014-21ksoftirqd/009:10:160
3343666992926,1cyclictest0-21swapper/307:20:203
3343666992522,1cyclictest0-21swapper/311:00:253
3343666992421,1cyclictest0-21swapper/310:47:423
3343666992320,1cyclictest0-21swapper/311:00:003
34924472210,3sleep03492451-21proc_pri09:00:260
3343666992119,1cyclictest0-21swapper/310:30:183
334366699211,16cyclictest3582630-21taskset10:00:193
3343666992017,1cyclictest0-21swapper/312:35:263
3343666992017,1cyclictest0-21swapper/312:20:163
3343666992017,1cyclictest0-21swapper/312:20:003
3343666992017,1cyclictest0-21swapper/311:20:163
3343666992017,1cyclictest0-21swapper/310:40:003
3343666992017,1cyclictest0-21swapper/309:50:113
3343666992017,1cyclictest0-21swapper/309:30:233
334366699201,14cyclictest3442216-21taskset08:25:013
334366699199,7cyclictest37338502sleep311:35:263
334366699192,13cyclictest3781622-21taskset12:05:403
3343666991916,1cyclictest0-21swapper/311:10:193
3343666991916,1cyclictest0-21swapper/311:10:193
3343666991916,1cyclictest0-21swapper/309:40:253
3343666991916,1cyclictest0-21swapper/308:48:393
3343666991916,1cyclictest0-21swapper/308:40:233
3343666991916,1cyclictest0-21swapper/308:00:183
3343666991916,1cyclictest0-21swapper/307:12:153
3343666991914,3cyclictest34999912sleep309:10:123
334366699191,14cyclictest3531254-21turbostat09:30:003
334366699191,14cyclictest3487086-21taskset09:00:093
3343666991816,1cyclictest0-21swapper/312:00:193
3343666991815,1cyclictest0-21swapper/310:10:183
3343666991815,1cyclictest0-21swapper/308:10:233
3343666991815,1cyclictest0-21swapper/307:35:263
3343666991814,1cyclictest0-21swapper/311:40:123
334366699181,13cyclictest3814615-21turbostat12:30:003
334366699181,13cyclictest3783469-21taskset12:10:093
334366699181,13cyclictest3727697-21taskset11:34:013
334366699181,13cyclictest3624414-21taskset10:26:093
334366699181,13cyclictest3593811-21taskset10:08:253
334366699181,13cyclictest3485970-21taskset08:55:243
334366699181,13cyclictest3455050-21taskset08:35:113
334366699181,13cyclictest3409886-21sleep08:00:003
334366699181,13cyclictest3376841-21taskset07:30:253
334366699181,13cyclictest3352407-21taskset07:15:093
3343666991714,1cyclictest0-21swapper/310:53:593
334366699171,13cyclictest3814884-21taskset12:30:063
334366699171,13cyclictest3766733-21taskset11:58:033
334366699171,13cyclictest3757988-21taskset11:50:483
334366699171,13cyclictest3647631-21taskset10:40:283
334366699171,13cyclictest3617175-21taskset10:22:523
334366699171,13cyclictest3608413-21taskset10:15:393
334366699171,13cyclictest3577988-21taskset09:58:273
334366699171,13cyclictest3513974-21taskset09:16:013
334366699171,13cyclictest3480064-21taskset08:50:313
334366699171,13cyclictest3435432-21taskset08:18:483
334366699171,13cyclictest3402387-21taskset07:50:213
334366699171,12cyclictest3702906-21taskset11:15:533
334366699171,12cyclictest3390922-21taskset07:45:083
334366699171,12cyclictest3384493-21chrt07:40:113
334366699171,12cyclictest3370422-21taskset07:25:233
38196762161,6sleep03820096-21needreboot12:30:200
35171722161,11sleep23518279-21cut09:20:182
34490242161,7sleep134-21ksoftirqd/108:30:171
3343666991613,1cyclictest0-21swapper/311:45:203
334366699161,12cyclictest3718780-21taskset11:26:033
334366699161,12cyclictest3681177-21taskset11:05:103
334366699161,12cyclictest3562740-21taskset09:49:533
334366699161,12cyclictest3545279-21taskset09:35:333
334366699161,12cyclictest3499316-21taskset09:05:383
334366699161,12cyclictest3454395-21taskset08:30:413
334366699161,12cyclictest3442292-21chrt08:25:133
334366699161,12cyclictest3422415-21taskset08:05:373
334366699161,11cyclictest3515948-21taskset09:20:143
33399472161,11sleep23341778-21cut07:05:192
372841621410,1sleep20-21swapper/211:35:132
36244092140,10sleep23624413-21ssh10:26:092
36091072140,5sleep20-21swapper/210:17:352
35778012140,7sleep03577806-21sh09:57:530
35613172142,4sleep2222-21plymouthd09:45:522
35472852144,2sleep0171rcu_preempt09:40:120
34667802131,9sleep03466901-21python308:40:270
33861832131,8sleep03387587-21kthreadcore07:40:160
33575432131,9sleep03357587-21ntpq07:15:230
33432712130,2sleep30-21swapper/307:06:443
38075232120,4sleep23808134-21sed12:25:172
37747682120,9sleep23774772-21ssh12:03:282
37573092121,8sleep03757343-21ntpq11:50:230
36965922120,8sleep23696779-21latency_hist11:15:012
36965922120,8sleep23696779-21latency_hist11:15:012
36808502122,7sleep03680912-21unin-run11:05:000
36497792126,3sleep0151ktimers/010:45:120
36261302120,9sleep23626230-21expr10:30:132
35543752121,2sleep20-21swapper/209:43:392
35292002120,8sleep13529313-21find09:25:261
34667032121,8sleep23461180-21sendmail-msp08:40:252
34037812120,9sleep03403935-21df_inode07:55:160
33891962121,8sleep23389607-21needreboot07:40:192
33587702120,6sleep23358545-21sendmail-msp07:20:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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