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2026-07-04 - 06:32
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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 Sat Jul 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413655821330,2sleep24136561-21kthreadcore21:20:192
20762321100,1sleep30-21swapper/300:10:153
3962250993128,1cyclictest0-21swapper/322:55:003
3962250992724,1cyclictest0-21swapper/319:10:163
3962250992623,1cyclictest0-21swapper/323:00:153
3962250992623,1cyclictest0-21swapper/322:40:243
3962250992522,1cyclictest0-21swapper/322:20:183
3962250992522,1cyclictest0-21swapper/321:20:133
3962250992522,1cyclictest0-21swapper/320:50:003
3962250992320,1cyclictest0-21swapper/323:57:483
3962250992320,1cyclictest0-21swapper/321:15:243
3962250992220,1cyclictest0-21swapper/320:20:123
3962250992219,1cyclictest0-21swapper/323:20:123
3962250992118,1cyclictest0-21swapper/323:15:183
3962250992118,1cyclictest0-21swapper/321:35:183
3962250992118,1cyclictest0-21swapper/320:30:013
3962250992017,1cyclictest0-21swapper/322:00:073
3962250992017,1cyclictest0-21swapper/320:40:143
3962250992017,1cyclictest0-21swapper/319:30:013
396225099201,15cyclictest114933-21taskset23:10:173
396225099197,8cyclictest40241272sleep319:55:173
3962250991916,1cyclictest0-21swapper/322:30:193
3962250991916,1cyclictest0-21swapper/321:55:003
3962250991916,1cyclictest0-21swapper/320:10:263
3962250991916,1cyclictest0-21swapper/319:35:243
3962250991916,1cyclictest0-21swapper/319:20:193
3962250991916,1cyclictest0-21swapper/300:00:163
3962250991915,2cyclictest159670-21sleep23:40:013
396225099191,14cyclictest4165343-21taskset21:40:133
396225099191,14cyclictest181968-21taskset23:51:393
396225099187,7cyclictest40795962sleep320:39:563
3962250991815,1cyclictest0-21swapper/322:48:253
3962250991815,1cyclictest0-21swapper/321:10:193
3962250991815,1cyclictest0-21swapper/320:00:033
396225099181,13cyclictest95436-21taskset22:56:063
396225099181,13cyclictest49686-21taskset22:30:003
396225099181,13cyclictest4178573-21taskset21:45:213
396225099181,13cyclictest4147138-21taskset21:25:293
396225099181,13cyclictest4104980-21taskset20:57:543
396225099181,13cyclictest4073024-21taskset20:33:093
396225099181,13cyclictest4013069-21taskset19:45:183
396225099181,13cyclictest3970252-21taskset19:15:033
396225099181,13cyclictest24573-21taskset22:10:513
396225099181,13cyclictest244544-21taskset00:30:563
396225099181,13cyclictest214949-21chrt00:15:133
396225099181,13cyclictest175069-21taskset23:49:113
396225099181,13cyclictest175069-21taskset23:49:103
396225099181,13cyclictest150123-21taskset23:30:263
396225099181,13cyclictest143191-21taskset23:27:543
396225099181,13cyclictest110916-21taskset23:05:283
396225099181,10cyclictest222451-21sleep00:24:553
41783742171,4sleep04178468-21ntpq21:45:200
396225099172,12cyclictest4105431-21taskset21:00:113
3962250991714,1cyclictest0-21swapper/319:50:163
396225099171,13cyclictest65038-21taskset22:39:023
396225099171,13cyclictest4097835-21taskset20:50:213
396225099171,13cyclictest4053947-21taskset20:19:313
396225099171,13cyclictest3990722-21taskset19:30:143
396225099171,13cyclictest18079-21taskset22:09:353
396225099171,13cyclictest18079-21taskset22:09:353
396225099171,13cyclictest166696-21taskset23:42:413
396225099171,13cyclictest1240-21taskset21:56:363
396225099171,12cyclictest4149576-21taskset21:30:033
396225099171,12cyclictest4117399-21taskset21:05:283
396225099171,12cyclictest4040930-21taskset20:07:043
396225099171,12cyclictest246325-21taskset00:35:103
396225099170,14cyclictest230578-21taskset00:25:033
40926862160,8sleep14092687-21/usr/sbin/munin20:50:121
396225099169,5cyclictest263582sleep322:15:093
3962250991613,1cyclictest0-21swapper/319:40:053
396225099161,12cyclictest204839-21taskset00:05:263
40665892142,4sleep2222-21plymouthd20:27:312
39619182140,2sleep30-21swapper/319:07:383
39838862131,8sleep13983985-21tr19:25:121
2311122131,8sleep0232048-21/usr/sbin/munin00:25:160
1027402131,9sleep0102942-21/usr/sbin/munin23:00:250
801732120,2sleep00-21swapper/022:47:230
494182120,9sleep249422-21ssh22:29:112
2376712120,8sleep2237679-21ssh00:28:402
2221992120,9sleep1222205-21ssh00:19:281
2123802121,8sleep1212431-21ntp_states00:10:221
1495672120,9sleep2149618-21ntp_states23:30:222
1009262121,8sleep197152-21/usr/sbin/munin23:00:181
814852116,2sleep20-21swapper/222:50:122
41331042110,7sleep14133108-21ssh21:18:301
39560482111,5sleep1222-21plymouthd19:05:121
356692110,8sleep236922-21cut22:20:182
2480032110,8sleep2249605-21tr00:35:172
21302111,2sleep1222-21plymouthd21:59:041
1885932110,8sleep2188716-21ntpq23:55:192
1521042111,2sleep20-21swapper/223:35:112
1457132110,8sleep1147201-21tr23:30:171
1110492110,2sleep0222-21plymouthd23:05:500
41157332100,2sleep20-21swapper/221:05:192
41113612101,3sleep2222-21plymouthd21:02:032
40901262100,3sleep2222-21plymouthd20:45:192
40286522100,7sleep24028716-21ls20:00:132
39562362101,5sleep03956320-21grep19:05:150
2227112101,6sleep1222715-21ssh00:20:041
1970102100,7sleep0197255-21grep00:00:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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