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2026-04-21 - 20:42
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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 Tue Apr 21, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63591121360,2sleep00-21swapper/007:10:010
90981221040,1sleep00-21swapper/010:25:170
10641632320,1sleep30-21swapper/312:05:153
636023993027,1cyclictest0-21swapper/312:30:013
636023992926,1cyclictest0-21swapper/309:40:013
636023992926,1cyclictest0-21swapper/307:15:013
636023992623,1cyclictest0-21swapper/309:50:013
636023992421,1cyclictest0-21swapper/309:25:003
9785772230,11sleep244-21ksoftirqd/211:10:132
636023992320,1cyclictest0-21swapper/312:00:143
636023992320,1cyclictest0-21swapper/311:55:283
636023992320,1cyclictest0-21swapper/308:40:153
636023992320,1cyclictest0-21swapper/308:10:003
636023992319,1cyclictest0-21swapper/311:00:003
636023992118,1cyclictest0-21swapper/311:05:133
636023992118,1cyclictest0-21swapper/310:25:243
636023992118,1cyclictest0-21swapper/310:20:013
636023992118,1cyclictest0-21swapper/310:05:133
63602399211,15cyclictest753533-21taskset08:36:273
63602399207,9cyclictest772667-21taskset08:50:263
636023992017,1cyclictest0-21swapper/311:25:003
636023992017,1cyclictest0-21swapper/310:45:013
636023992017,1cyclictest0-21swapper/308:35:013
636023992017,1cyclictest0-21swapper/308:25:013
63602399201,15cyclictest969758-21taskset11:03:053
63602399201,15cyclictest1115619-21taskset12:35:253
636023992010,7cyclictest7408082sleep308:28:343
636023991917,1cyclictest0-21swapper/307:20:013
636023991916,1cyclictest0-21swapper/308:20:013
636023991916,1cyclictest0-21swapper/308:00:013
636023991916,1cyclictest0-21swapper/307:50:173
636023991916,1cyclictest0-21swapper/307:40:273
636023991916,1cyclictest0-21swapper/307:35:173
63602399191,14cyclictest779481-21sleep09:00:003
63602399191,13cyclictest862327-21taskset09:55:013
63602399191,13cyclictest664196-21chrt07:30:123
63602399188,7cyclictest10780282sleep312:12:183
636023991815,1cyclictest0-21swapper/311:40:023
636023991815,1cyclictest0-21swapper/311:25:133
636023991815,1cyclictest0-21swapper/307:55:263
63602399181,14cyclictest931562-21taskset10:39:263
63602399181,13cyclictest954087-21taskset10:52:223
63602399181,13cyclictest907373-21taskset10:21:233
63602399181,13cyclictest885639-21chrt10:10:133
63602399181,13cyclictest845754-21taskset09:42:253
63602399181,13cyclictest823669-21chrt09:30:113
63602399181,13cyclictest798664-21taskset09:10:433
6770302172,4sleep1677063-21apt-get07:40:141
63602399172,12cyclictest922486-21taskset10:30:293
63602399172,12cyclictest1092343-21taskset12:20:233
636023991715,1cyclictest0-21swapper/311:10:173
636023991715,1cyclictest0-21swapper/307:25:133
636023991714,1cyclictest0-21swapper/312:30:193
636023991714,1cyclictest0-21swapper/311:45:143
636023991714,1cyclictest0-21swapper/311:35:183
636023991714,1cyclictest0-21swapper/309:15:163
636023991714,1cyclictest0-21swapper/309:05:013
636023991714,1cyclictest0-21swapper/307:45:163
63602399171,13cyclictest876431-21taskset10:01:423
63602399171,13cyclictest720759-21taskset08:10:213
63602399171,13cyclictest1046620-21taskset11:50:513
63602399171,13cyclictest1015856-21taskset11:31:473
63602399171,12cyclictest945928-21taskset10:46:083
63602399171,12cyclictest854644-21taskset09:50:113
63602399171,12cyclictest821889-21taskset09:25:383
63602399171,12cyclictest788432-21taskset09:05:173
11091552170,1sleep20-21swapper/212:32:442
63602399161,12cyclictest992530-21taskset11:16:443
63602399161,12cyclictest766310-21taskset08:45:283
63602399161,12cyclictest657229-21taskset07:22:113
63602399161,12cyclictest1079432-21taskset12:15:133
9930612140,4sleep2993067-21ssh11:18:202
129998140,2rtkit-daemon746310-21sed08:30:212
10870152141,4sleep01087050-21apt-get12:20:130
10538282140,2sleep10-21swapper/111:55:321
10458862141,10sleep2222-21plymouthd11:50:242
8763072131,2sleep00-21swapper/010:01:120
129998130,9rtkit-daemon947160-21ssh10:49:502
10617502131,4sleep21061971-21users12:00:262
9653082121,8sleep0967024-21kthreadcore11:00:170
8840342120,9sleep1884038-21ssh10:06:191
7364782120,9sleep1738192-21grep08:25:191
6387212120,9sleep1640492-21cut07:10:191
129998120,4rtkit-daemon642556-21munin-node09:58:321
129998120,4rtkit-daemon2195379-21ntpd11:24:280
11116572121,8sleep01113186-21tr12:35:200
10536792120,9sleep21053723-21ntpq11:55:292
9784562112,5sleep0978480-21apt-get11:10:110
9382692110,2sleep20-21swapper/210:41:202
8782322110,8sleep2878363-21ps10:05:152
8548722110,2sleep2222-21plymouthd09:50:152
7855652111,6sleep2222-21plymouthd09:01:012
6885752110,8sleep0688621-21ntpq07:45:220
6696232111,7sleep0669838-21sed07:30:260
129998110,3rtkit-daemon222-21plymouthd11:29:580
10802182116,2sleep20-21swapper/212:15:172
10243892110,4sleep01024395-21ssh11:39:110
9794212100,7sleep1980286-21kthreadcore11:10:161
9539032100,3sleep0222-21plymouthd10:51:520
9015992101,5sleep0902386-21cut10:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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