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2026-05-06 - 03:16
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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 May 05, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10878652400,2sleep244-21ksoftirqd/209:00:182
9945892340,12sleep014-21ksoftirqd/007:47:280
941369993431,1cyclictest0-21swapper/307:20:013
941369993229,1cyclictest0-21swapper/311:05:003
941369992623,1cyclictest0-21swapper/311:00:013
941369992522,1cyclictest0-21swapper/312:30:183
941369992522,1cyclictest0-21swapper/307:40:003
941369992321,1cyclictest0-21swapper/308:40:013
941369992320,1cyclictest0-21swapper/310:40:013
941369992320,1cyclictest0-21swapper/309:00:153
941369992219,1cyclictest0-21swapper/312:05:013
941369992219,1cyclictest0-21swapper/310:50:013
941369992119,1cyclictest0-21swapper/307:45:003
941369992118,1cyclictest0-21swapper/312:25:013
941369992118,1cyclictest0-21swapper/311:35:003
941369992118,1cyclictest0-21swapper/309:30:273
94136999211,15cyclictest1166224-21taskset10:02:583
12934442216,7sleep11293697-21awk11:25:281
941369992017,1cyclictest0-21swapper/312:40:013
941369992017,1cyclictest0-21swapper/307:30:213
94136999201,15cyclictest1046041-21taskset08:29:083
94136999201,14cyclictest1319215-21turbostat11:45:003
94136999201,14cyclictest1032370-21taskset08:15:213
111932522015,1sleep30-21swapper/309:20:293
94136999199,7cyclictest11539952sleep309:47:273
94136999192,13cyclictest1295003-21taskset11:28:493
941369991916,1cyclictest0-21swapper/310:05:273
94136999191,14cyclictest1368471-21taskset12:15:163
94136999191,14cyclictest1303649-21chrt11:35:113
94136999191,14cyclictest1146768-21taskset09:44:213
94136999191,14cyclictest1072205-21chrt08:50:133
94136999191,13cyclictest1156968-21taskset09:54:563
94136999191,13cyclictest1156968-21taskset09:54:563
94136999191,13cyclictest1001432-21taskset07:55:013
941369991910,6cyclictest11448152sleep309:39:413
94136999182,12cyclictest1026532-21taskset08:10:523
94136999182,12cyclictest1026532-21taskset08:10:523
941369991815,1cyclictest0-21swapper/312:25:193
941369991815,1cyclictest0-21swapper/311:54:583
941369991815,1cyclictest0-21swapper/311:05:133
941369991815,1cyclictest0-21swapper/309:25:183
941369991815,1cyclictest0-21swapper/308:05:163
94136999181,14cyclictest1176974-21taskset10:15:003
94136999181,13cyclictest1319469-21taskset11:45:013
94136999181,13cyclictest1280041-21chrt11:20:113
94136999181,13cyclictest1270557-21taskset11:11:453
94136999181,13cyclictest1222781-21taskset10:40:383
94136999181,13cyclictest1196478-21taskset10:25:193
94136999181,13cyclictest1178607-21taskset10:15:123
94136999181,13cyclictest1046450-21chrt08:30:133
94136999181,13cyclictest1001080-21taskset07:53:493
129998180,13rtkit-daemon1256196-21ssh11:05:031
9618302171,8sleep2961936-21sendmail_mailtr07:20:252
94136999177,7cyclictest11852092sleep310:20:113
94136999171,13cyclictest947442-21taskset07:11:473
94136999171,13cyclictest1358615-21taskset12:09:593
94136999171,13cyclictest1335586-21taskset11:55:163
94136999171,13cyclictest1240019-21taskset10:54:293
94136999171,13cyclictest1208268-21taskset10:34:253
94136999171,13cyclictest1112477-21taskset09:17:473
94136999171,13cyclictest1061628-21taskset08:40:193
94136999171,12cyclictest994679-21taskset07:48:393
94136999171,12cyclictest962967-21chrt07:25:143
94136999171,12cyclictest1359360-21taskset12:10:153
94136999171,12cyclictest1272018-21taskset11:15:023
94136999171,12cyclictest1091876-21taskset09:05:163
94136999171,12cyclictest1071892-21chrt08:49:533
129998170,4rtkit-daemon0-21swapper/111:00:081
12302962171,5sleep01230489-21sed10:45:250
941369991613,1cyclictest0-21swapper/309:10:183
941369991613,1cyclictest0-21swapper/308:00:033
941369991613,1cyclictest0-21swapper/307:20:023
94136999161,12cyclictest1163282-21taskset09:55:323
94136999161,12cyclictest1084426-21taskset08:56:263
94136999160,12cyclictest1039444-21taskset08:21:473
129998160,9rtkit-daemon1191439-21ssh10:21:252
96820521510,2sleep10-21swapper/107:25:251
129998150,9rtkit-daemon1163356-21ssh09:55:432
12717492140,7sleep01271904-21sed11:15:000
11426602141,5sleep21142705-21ntpq09:35:232
13650672131,9sleep21365073-21ssh12:11:032
13274952131,8sleep11327564-21/usr/sbin/munin11:50:131
129998130,9rtkit-daemon1326244-21ssh11:47:322
129998130,9rtkit-daemon1298727-21cut11:30:181
129998130,5rtkit-daemon703-21mta-sts-daemon11:34:570
11549042130,9sleep21154910-21ssh09:49:552
11470242130,9sleep11147238-21date09:45:011
11132882131,8sleep21113326-21idleruntime-cro09:20:002
11126912132,3sleep0222-21plymouthd09:18:210
10928132130,9sleep01094076-21cut09:05:180
10721682131,4sleep11072201-21apt-get08:50:121
9895112120,1sleep1321rcuc/107:45:171
13245062120,9sleep11324799-21cut11:45:201
129998120,8rtkit-daemon1405696-21ssh12:39:030
12853852121,8sleep21285416-21ntpq11:20:232
12392832121,4sleep1672-21dbus-daemon10:52:321
11754722121,4sleep21175478-21ssh10:11:032
11525352121,8sleep1222-21plymouthd09:45:211
9850772111,8sleep2986975-21tr07:40:182
9411852110,2sleep30-21swapper/307:09:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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