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2026-04-08 - 22:34
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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 Wed Apr 08, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2662476993128,1cyclictest0-21swapper/307:50:013
2662476992622,1cyclictest0-21swapper/309:37:493
2662476992522,1cyclictest0-21swapper/308:49:593
2662476992421,1cyclictest0-21swapper/311:20:113
2662476992421,1cyclictest0-21swapper/311:20:013
2662476992421,1cyclictest0-21swapper/310:20:003
2662476992321,1cyclictest0-21swapper/311:40:013
2662476992320,1cyclictest0-21swapper/308:10:223
2662476992220,1cyclictest0-21swapper/308:00:013
2662476992219,1cyclictest0-21swapper/311:15:013
2662476992219,1cyclictest0-21swapper/309:45:003
2662476992118,1cyclictest0-21swapper/310:54:273
2662476992118,1cyclictest0-21swapper/310:35:253
2662476992118,1cyclictest0-21swapper/310:35:003
2662476992118,1cyclictest0-21swapper/309:22:383
2662476992118,1cyclictest0-21swapper/308:22:463
2662476992118,1cyclictest0-21swapper/307:30:173
2662476992118,1cyclictest0-21swapper/307:30:163
2662476992116,3cyclictest2780304-21chrt08:39:263
266247699211,15cyclictest2683608-21taskset07:22:463
2662476992110,7cyclictest30519542sleep311:40:123
2662476992018,1cyclictest0-21swapper/308:20:013
2662476992018,1cyclictest0-21swapper/308:01:103
2662476992017,1cyclictest0-21swapper/311:45:213
2662476992017,1cyclictest0-21swapper/310:55:053
2662476992017,1cyclictest0-21swapper/310:45:003
2662476992017,1cyclictest0-21swapper/310:28:303
2662476992017,1cyclictest0-21swapper/310:21:493
2662476992017,1cyclictest0-21swapper/309:31:173
2662476992017,1cyclictest0-21swapper/308:56:333
2662476992016,1cyclictest0-21swapper/309:57:103
266247699201,14cyclictest3120887-21taskset12:23:383
266247699201,14cyclictest2910545-21taskset10:05:263
29138702191,6sleep02915423-21ssh10:10:180
266247699192,9cyclictest2703092-21sleep07:44:553
2662476991917,1cyclictest0-21swapper/311:09:553
2662476991917,1cyclictest0-21swapper/311:00:193
2662476991916,1cyclictest0-21swapper/312:06:343
2662476991916,1cyclictest0-21swapper/311:58:023
2662476991916,1cyclictest0-21swapper/311:50:103
2662476991916,1cyclictest0-21swapper/309:18:303
2662476991916,1cyclictest0-21swapper/309:03:383
2662476991916,1cyclictest0-21swapper/308:05:213
2662476991916,1cyclictest0-21swapper/307:19:423
266247699191,14cyclictest3029746-21taskset11:25:173
266247699191,14cyclictest2667471-21taskset07:10:193
266247699191,13cyclictest3137236-21taskset12:35:003
2662476991816,0cyclictest0-21swapper/309:05:143
2662476991815,1cyclictest0-21swapper/312:30:103
2662476991815,1cyclictest0-21swapper/312:25:273
2662476991815,1cyclictest0-21swapper/311:35:013
2662476991815,1cyclictest0-21swapper/310:10:223
2662476991815,1cyclictest0-21swapper/309:45:253
266247699181,13cyclictest3082920-21taskset12:00:083
266247699181,13cyclictest2767791-21chrt08:30:133
266247699181,13cyclictest2700506-21taskset07:35:163
266247699181,13cyclictest2690016-21taskset07:27:383
28284072171,8sleep02829325-21tr09:15:170
2662476991715,1cyclictest0-21swapper/309:50:193
2662476991715,0cyclictest0-21swapper/308:50:223
2662476991714,1cyclictest0-21swapper/309:10:443
266247699171,13cyclictest3112809-21taskset12:17:373
266247699171,12cyclictest3098444-21taskset12:10:073
266247699171,12cyclictest2903118-21taskset10:01:133
266247699171,12cyclictest2842540-21taskset09:25:053
29872692161,3sleep02987321-21ntpq10:55:200
2662476991614,1cyclictest0-21swapper/308:40:183
266247699161,12cyclictest2767173-21taskset08:26:003
266247699161,12cyclictest2716310-21chrt07:50:113
266247699160,12cyclictest2972904-21taskset10:46:553
129998160,3rtkit-daemon0-21swapper/209:26:412
30262292151,5sleep13026275-21ntpq11:20:221
28326212150,7sleep12832852-21awk09:15:261
29331992141,4sleep02933245-21ntpq10:20:240
29191652141,9sleep12919169-21ssh10:13:071
28594442141,10sleep12859772-21ssh09:35:191
26987572140,2sleep22700505-21cut07:35:162
129998140,6rtkit-daemon151ktimers/007:20:180
30734752130,3sleep13073481-21ssh11:50:541
30579722132,3sleep1222-21plymouthd11:40:501
29538242131,9sleep02955559-21tr10:35:190
29029502131,9sleep22902954-21ssh10:00:452
28261782130,4sleep22826184-21ssh09:13:272
27707152130,10sleep02772592-21cut08:30:190
27534852131,9sleep12748442-21/usr/sbin/munin08:15:191
26844522131,4sleep02684790-21cut07:25:160
129998130,8rtkit-daemon3020817-21kworker/u16:1+xprtiod11:41:272
30307542120,9sleep03032458-21cut11:25:190
28488642121,8sleep10-21swapper/109:26:411
27814672120,9sleep02782264-21cut08:40:170
129998120,8rtkit-daemon3090458-21cat12:05:012
31295522111,2sleep22662471-21cyclictest12:30:122
30921432111,3sleep2222-21plymouthd12:05:182
30578752110,8sleep00-21swapper/011:40:340
30067112110,6sleep23007781-21kthreadcore11:10:172
29756672110,3sleep22977201-21cut10:50:172
28799482110,7sleep12879952-21ssh09:46:251
28727072110,8sleep02872713-21ssh09:42:510
28413192110,8sleep22841323-21ssh09:22:082
28247342110,8sleep12824821-21run-parts09:10:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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