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2026-06-26 - 17:35
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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 26, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
652288992825,1cyclictest0-21swapper/308:30:173
652288992724,1cyclictest0-21swapper/311:05:213
652288992724,1cyclictest0-21swapper/310:25:153
652288992724,1cyclictest0-21swapper/308:20:003
652288992623,1cyclictest0-21swapper/310:20:133
652288992421,1cyclictest0-21swapper/311:40:143
652288992421,1cyclictest0-21swapper/310:40:123
652288992421,1cyclictest0-21swapper/310:17:383
652288992320,1cyclictest0-21swapper/311:16:463
652288992320,1cyclictest0-21swapper/311:00:123
652288992320,1cyclictest0-21swapper/309:40:013
652288992220,1cyclictest0-21swapper/311:25:223
652288992219,1cyclictest0-21swapper/312:10:213
652288992219,1cyclictest0-21swapper/310:45:173
652288992219,1cyclictest0-21swapper/309:30:233
652288992119,1cyclictest0-21swapper/311:35:003
652288992119,1cyclictest0-21swapper/310:00:003
652288992118,1cyclictest0-21swapper/311:35:263
652288992118,1cyclictest0-21swapper/310:13:553
652288992118,1cyclictest0-21swapper/309:05:193
65228899211,16cyclictest870935-21turbostat09:50:013
652288992018,1cyclictest0-21swapper/308:20:163
652288992017,1cyclictest0-21swapper/311:58:383
652288992017,1cyclictest0-21swapper/311:20:063
652288992017,1cyclictest0-21swapper/310:55:193
652288992017,1cyclictest0-21swapper/310:50:263
652288992017,1cyclictest0-21swapper/310:05:003
652288992017,1cyclictest0-21swapper/309:40:053
652288992017,1cyclictest0-21swapper/309:25:253
652288992017,1cyclictest0-21swapper/309:20:133
652288992017,1cyclictest0-21swapper/307:50:103
652288992017,1cyclictest0-21swapper/307:45:013
652288992017,1cyclictest0-21swapper/307:36:023
65228899201,15cyclictest717670-21taskset07:55:243
652288991917,1cyclictest0-21swapper/310:05:163
652288991916,1cyclictest0-21swapper/312:20:133
652288991916,1cyclictest0-21swapper/312:05:283
652288991916,1cyclictest0-21swapper/312:05:273
652288991916,1cyclictest0-21swapper/312:00:173
652288991916,1cyclictest0-21swapper/309:55:013
652288991916,1cyclictest0-21swapper/307:47:543
652288991916,1cyclictest0-21swapper/307:30:193
65228899191,14cyclictest719029-21taskset08:00:133
7635532181,3sleep10-21swapper/108:35:121
65228899187,7cyclictest7252012sleep308:05:123
652288991816,1cyclictest0-21swapper/307:30:013
652288991815,1cyclictest0-21swapper/312:35:183
652288991815,1cyclictest0-21swapper/312:17:123
652288991815,1cyclictest0-21swapper/311:10:183
652288991815,1cyclictest0-21swapper/310:35:233
652288991815,1cyclictest0-21swapper/309:00:123
652288991815,1cyclictest0-21swapper/308:45:033
652288991815,1cyclictest0-21swapper/308:45:033
652288991815,1cyclictest0-21swapper/308:40:123
652288991815,1cyclictest0-21swapper/308:26:223
652288991815,1cyclictest0-21swapper/307:20:243
65228899181,13cyclictest782677-21taskset08:50:043
65228899181,13cyclictest652644-21taskset07:10:223
65228899181,12cyclictest808339-21taskset09:10:013
9942072171,5sleep0994250-21ntpq11:05:220
652288991715,1cyclictest0-21swapper/310:30:163
652288991715,1cyclictest0-21swapper/310:30:163
652288991714,1cyclictest0-21swapper/312:30:203
652288991714,1cyclictest0-21swapper/309:20:013
652288991714,1cyclictest0-21swapper/308:56:213
652288991714,1cyclictest0-21swapper/307:15:013
65228899171,13cyclictest763704-21taskset08:35:133
65228899171,13cyclictest731556-21taskset08:10:073
65228899171,13cyclictest1119929-21taskset12:25:223
65228899171,13cyclictest1065995-21taskset11:51:273
65228899171,12cyclictest1052233-21taskset11:45:133
6520592170,3sleep30-21swapper/307:09:073
6949852161,3sleep00-21swapper/007:40:190
8138112151,4sleep2813933-21python309:10:252
9796492141,4sleep2222-21plymouthd10:56:582
7581742141,10sleep0758987-21grep08:30:190
10112842140,1sleep10-21swapper/111:17:371
9183082131,9sleep0918313-21sh10:20:070
9156972131,7sleep2915738-21ntpq10:15:202
8388712131,9sleep1838875-21ssh09:28:121
7827222131,3sleep20-21swapper/208:50:122
7047212130,10sleep2704773-21ntpq07:45:232
10514202130,5sleep11051428-21ssh11:44:121
9745812120,9sleep1975557-21cat10:55:161
9404262120,9sleep2940427-21sh10:31:522
9404262120,9sleep2940427-21sh10:31:522
9316932121,8sleep1931938-21unixbench_multi10:25:251
9260982127,2sleep20-21swapper/210:25:022
8937142121,7sleep2893722-21ssh10:03:022
8695432121,8sleep10-21swapper/109:46:081
8466412121,8sleep1846647-21ssh09:33:021
7320412121,8sleep0732965-21/usr/sbin/munin08:10:170
10983972121,8sleep21098405-21ssh12:14:322
10750542122,6sleep1222-21plymouthd11:59:471
10658192120,9sleep21065824-21sh11:50:502
10046422121,8sleep01004676-21apt-get11:15:120
9733242112,5sleep0973320-21apt-get10:55:110
7955252111,6sleep2795300-21sendmail-msp09:00:112
7252392112,4sleep1725236-21apt-get08:05:131
6935392111,7sleep2694434-21sed07:40:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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