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2026-05-01 - 05:36
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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 May 01, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380929992825,1cyclictest0-21swapper/320:10:003
380929992724,1cyclictest0-21swapper/323:15:003
4661162250,1sleep30-21swapper/320:11:253
380929992522,1cyclictest0-21swapper/320:45:243
380929992522,1cyclictest0-21swapper/300:10:133
380929992421,1cyclictest0-21swapper/322:44:593
8101922230,1sleep30-21swapper/300:07:343
380929992220,0cyclictest0-21swapper/322:45:263
380929992219,1cyclictest0-21swapper/323:35:013
380929992219,1cyclictest0-21swapper/322:00:133
380929992219,1cyclictest0-21swapper/321:25:223
38092999212,15cyclictest705810-21taskset22:55:223
380929992118,1cyclictest0-21swapper/323:55:123
380929992118,1cyclictest0-21swapper/323:40:193
380929992118,1cyclictest0-21swapper/322:20:183
380929992118,1cyclictest0-21swapper/320:40:003
38092999211,15cyclictest389690-21chrt19:15:133
38092999210,18cyclictest517997-21sleep20:54:593
38092999202,14cyclictest453448-21taskset20:03:273
380929992017,1cyclictest0-21swapper/321:40:253
38092999201,15cyclictest855381-21taskset00:35:213
38092999201,15cyclictest629058-21taskset22:05:543
38092999201,14cyclictest808399-21chrt00:02:573
6918732191,10sleep2691877-21ssh22:48:162
38092999199,7cyclictest4214192sleep319:39:473
38092999198,7cyclictest3869732sleep319:11:323
380929991917,1cyclictest0-21swapper/321:20:183
380929991916,1cyclictest0-21swapper/323:55:013
380929991916,1cyclictest0-21swapper/321:55:183
38092999191,13cyclictest715735-21taskset23:04:553
38092999191,13cyclictest552329-21chrt21:18:403
38092999187,7cyclictest4343002sleep319:49:483
380929991816,1cyclictest0-21swapper/322:28:513
380929991816,1cyclictest0-21swapper/321:00:013
380929991815,1cyclictest0-21swapper/300:20:003
38092999181,13cyclictest778262-21taskset23:45:123
38092999181,13cyclictest746152-21taskset23:22:563
38092999181,13cyclictest597943-21taskset21:45:333
38092999181,13cyclictest582336-21taskset21:35:313
38092999181,13cyclictest498959-21chrt20:40:113
38092999181,13cyclictest427839-21taskset19:44:513
38092999181,12cyclictest440987-21taskset19:55:013
38092999180,13cyclictest770047-21taskset23:39:553
380929991714,1cyclictest0-21swapper/323:25:183
380929991714,1cyclictest0-21swapper/321:34:133
380929991714,1cyclictest0-21swapper/320:20:203
380929991714,1cyclictest0-21swapper/300:30:203
38092999171,13cyclictest738483-21taskset23:18:153
38092999171,13cyclictest669458-21taskset22:35:013
38092999171,13cyclictest606628-21taskset21:53:243
38092999171,13cyclictest543544-21taskset21:10:383
38092999171,13cyclictest485574-21taskset20:28:053
38092999171,13cyclictest408585-21taskset19:30:003
38092999171,12cyclictest717900-21taskset23:05:203
38092999171,12cyclictest692744-21taskset22:50:043
38092999171,12cyclictest667698-21taskset22:30:353
38092999171,12cyclictest636565-21taskset22:10:283
38092999171,12cyclictest531483-21chrt21:05:173
38092999171,12cyclictest440767-21sleep19:55:013
38092999171,12cyclictest414679-21taskset19:30:363
38092999171,12cyclictest396056-21taskset19:20:023
38092999170,13cyclictest644790-21taskset22:16:413
380929991613,1cyclictest0-21swapper/320:15:193
380929991613,1cyclictest0-21swapper/300:20:173
38092999161,12cyclictest834564-21taskset00:25:023
38092999161,12cyclictest530533-21taskset21:01:233
38092999161,12cyclictest491762-21taskset20:30:283
129998160,2rtkit-daemon0-21swapper/023:56:060
58381321510,3sleep21058-21gmain21:40:002
129998150,2rtkit-daemon0-21swapper/222:08:392
6854692141,10sleep0686030-21sed22:45:180
6843492141,10sleep0684355-21ssh22:43:530
129998140,9rtkit-daemon511848-21/usr/sbin/munin20:50:152
129998140,8rtkit-daemon731138-21ssh23:14:282
7238512131,8sleep1723892-21ssh23:10:121
6448442130,9sleep0644850-21ssh22:16:510
6380772130,2sleep00-21swapper/022:14:460
5514272131,9sleep1551431-21ssh21:16:011
3806792130,2sleep30-21swapper/319:09:123
8086172121,2sleep10-21swapper/100:03:391
6532912121,3sleep1653296-21sh22:23:531
6384792120,8sleep1638494-21ssh22:15:121
5018022121,8sleep0503704-21grep20:40:180
4213922121,2sleep10-21swapper/119:39:241
4079732120,8sleep2408217-21users19:25:262
3896892121,8sleep20-21swapper/219:15:132
129998120,8rtkit-daemon409310-21/usr/sbin/munin19:30:162
129998120,3rtkit-daemon222-21plymouthd20:39:342
7145102110,8sleep0714516-21ssh23:01:170
4729042111,4sleep1249-21jbd2/sda2-820:20:011
4029042111,6sleep0403761-21sed19:25:160
3816952111,8sleep0382507-21tail19:10:180
129998110,7rtkit-daemon726-21systemd-logind00:01:320
129998110,7rtkit-daemon517644-21kworker/u16:0+xprtiod21:46:022
129998110,7rtkit-daemon506790-21/usr/sbin/munin20:45:172
129998110,7rtkit-daemon2195379-21ntpd19:20:232
129998110,2rtkit-daemon222-21plymouthd20:16:102
8190522100,7sleep2819066-21cat00:15:122
8099612100,1sleep20-21swapper/200:06:502
7405232101,6sleep0741583-21cat23:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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