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2026-09-07 - 21:25
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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 Sep 07, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11524332600,1sleep20-21swapper/209:00:202
1004888992724,1cyclictest0-21swapper/311:25:163
1004888992724,1cyclictest0-21swapper/308:55:003
1004888992623,1cyclictest0-21swapper/311:25:003
1004888992522,1cyclictest0-21swapper/310:20:183
1004888992522,1cyclictest0-21swapper/307:40:163
1004888992522,1cyclictest0-21swapper/307:20:403
1004888992421,1cyclictest0-21swapper/310:00:423
122403422314,6sleep0151ktimers/009:50:130
1004888992321,1cyclictest0-21swapper/310:00:013
1004888992320,1cyclictest0-21swapper/312:00:283
1004888992320,1cyclictest0-21swapper/311:00:183
1004888992320,1cyclictest0-21swapper/309:20:073
1004888992320,1cyclictest0-21swapper/307:50:253
1004888992219,1cyclictest0-21swapper/312:21:033
1004888992219,1cyclictest0-21swapper/311:40:383
1004888992219,1cyclictest0-21swapper/311:08:373
100488899211,15cyclictest1332359-21taskset10:56:593
100488899211,15cyclictest1285373-21taskset10:26:453
100488899211,15cyclictest1084284-21taskset08:10:133
100488899211,14cyclictest1032578-21taskset07:29:563
100488899202,14cyclictest1231256-21taskset09:54:163
1004888992019,0cyclictest0-21swapper/309:00:103
1004888992017,1cyclictest0-21swapper/312:30:233
1004888992017,1cyclictest0-21swapper/312:25:273
1004888992017,1cyclictest0-21swapper/311:30:213
1004888992017,1cyclictest0-21swapper/309:40:243
1004888992017,1cyclictest0-21swapper/308:40:163
100488899201,15cyclictest1270738-21taskset10:19:503
100488899201,15cyclictest0-21swapper/312:00:003
100488899201,14cyclictest1310349-21chrt10:45:123
1004888991917,1cyclictest0-21swapper/311:20:013
1004888991916,1cyclictest0-21swapper/310:40:193
1004888991916,1cyclictest0-21swapper/308:01:203
100488899191,14cyclictest1355810-21taskset11:11:553
100488899191,14cyclictest1102274-21taskset08:20:233
100488899191,13cyclictest1261698-21chrt10:11:283
1004888991815,1cyclictest0-21swapper/309:45:233
1004888991815,1cyclictest0-21swapper/308:55:173
1004888991815,1cyclictest0-21swapper/308:40:003
1004888991814,1cyclictest0-21swapper/310:50:213
1004888991814,1cyclictest0-21swapper/309:10:153
100488899181,13cyclictest1488687-21taskset12:35:353
100488899181,13cyclictest1412212-21taskset11:50:123
100488899181,13cyclictest1404406-21chrt11:45:143
100488899181,13cyclictest1254933-21taskset10:09:323
100488899181,13cyclictest1175192-21taskset09:15:593
100488899181,13cyclictest1135071-21taskset08:46:533
100488899181,13cyclictest1109558-21taskset08:28:333
100488899181,13cyclictest1038857-21taskset07:33:243
100488899181,13cyclictest1008090-21taskset07:10:193
100488899181,12cyclictest1154806-21taskset09:05:013
1004888991714,1cyclictest0-21swapper/310:35:163
1004888991714,1cyclictest0-21swapper/309:35:223
100488899171,13cyclictest1456981-21taskset12:15:263
100488899171,13cyclictest1435775-21chrt12:05:113
100488899171,13cyclictest1292903-21taskset10:31:053
100488899171,13cyclictest1115738-21chrt08:30:573
100488899171,12cyclictest1443595-21chrt12:10:123
100488899171,12cyclictest1198836-21taskset09:31:233
100488899171,12cyclictest1185028-21taskset09:25:143
100488899171,12cyclictest1092896-21taskset08:15:183
100488899171,12cyclictest1083794-21taskset08:07:373
100488899171,12cyclictest1058261-21taskset07:49:563
100488899171,12cyclictest1045047-21taskset07:35:413
13535802160,2sleep11353581-21kthreadcore11:10:211
12960612160,5sleep21297479-21tr10:35:182
1004888991613,1cyclictest0-21swapper/311:35:163
100488899161,12cyclictest1071035-21taskset07:59:423
100488899161,12cyclictest1019363-21taskset07:15:323
13518142156,6sleep01353579-21cut11:10:200
12749912150,4sleep01276249-21sed10:20:200
10766852156,6sleep286188-21systemd-journal08:00:222
14646212141,6sleep01464672-21sh12:20:250
14175322141,5sleep21417565-21ntpq11:50:242
14099102142,9sleep01410023-21/usr/sbin/munin11:45:280
12396532149,3sleep20-21swapper/210:00:062
11167272141,10sleep01117243-21cut08:35:160
10573272141,10sleep11057366-21ntpq07:45:221
10050282131,3sleep01005062-21apt-get07:10:130
9986432121,5sleep00-21swapper/007:05:120
13103002120,9sleep11310307-21/usr/sbin/munin10:45:111
13095592121,8sleep21309563-21ssh10:43:482
12618472120,9sleep21261853-21ssh10:11:522
11823552121,4sleep01176650-21sendmail-msp09:20:260
11285402121,7sleep11122498-21sendmail-msp08:40:311
11172452120,4sleep11118102-21cut08:35:171
10214502120,9sleep11022901-21cut07:20:201
14654562112,6sleep2222-21plymouthd12:21:192
14504232117,2sleep20-21swapper/212:13:172
13960732110,1sleep10-21swapper/111:39:481
13712652110,8sleep01371271-21ssh11:21:070
13336932111,4sleep21333460-21sendmail-msp11:00:082
13103182112,5sleep21310342-21apt-get10:45:122
12938642110,1sleep00-21swapper/010:33:480
11716892111,2sleep10-21swapper/109:15:181
11617212111,7sleep01162276-21/usr/sbin/munin09:10:160
14880512102,4sleep21488099-21ntpq12:35:222
14646742102,4sleep11464697-21ntpq12:20:261
14588172100,3sleep2222-21plymouthd12:19:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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