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2026-06-08 - 23:22
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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 Jun 08, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3572037993128,1cyclictest0-21swapper/312:30:013
39831512300,9sleep0151ktimers/011:52:030
3572037992825,1cyclictest0-21swapper/311:09:593
3572037992522,1cyclictest0-21swapper/308:00:013
3572037992320,1cyclictest0-21swapper/309:55:143
3572037992320,1cyclictest0-21swapper/309:45:213
3572037992319,1cyclictest0-21swapper/312:05:013
3572037992219,1cyclictest0-21swapper/308:30:003
3572037992219,1cyclictest0-21swapper/308:05:183
357203799218,9cyclictest3743443-21sleep09:20:003
357203799211,17cyclictest3968703-21sleep11:45:013
357203799211,16cyclictest3638720-21taskset08:00:133
357203799211,15cyclictest3899155-21chrt11:00:143
3572037992017,1cyclictest0-21swapper/311:30:133
3572037992017,1cyclictest0-21swapper/310:46:493
357203799201,14cyclictest3890208-21taskset10:52:323
357203799201,14cyclictest3612327-21taskset07:36:393
357203799201,14cyclictest3599724-21taskset07:28:253
3572037991917,1cyclictest0-21swapper/309:10:023
3572037991916,1cyclictest0-21swapper/309:27:093
357203799191,14cyclictest3989781-21taskset11:55:233
357203799191,14cyclictest3866282-21chrt10:35:533
357203799191,14cyclictest3849156-21taskset10:25:193
357203799191,14cyclictest3840185-21taskset10:20:173
357203799191,14cyclictest3676893-21chrt08:30:123
357203799191,14cyclictest3587787-21taskset07:20:173
357203799191,13cyclictest3577435-21chrt07:10:223
3572037991815,1cyclictest0-21swapper/312:10:193
3572037991815,1cyclictest0-21swapper/309:40:203
3572037991815,1cyclictest0-21swapper/309:15:013
3572037991815,1cyclictest0-21swapper/308:10:113
3572037991815,1cyclictest0-21swapper/308:10:103
357203799181,14cyclictest3625120-21taskset07:46:013
357203799181,13cyclictest4021455-21taskset12:15:323
357203799181,13cyclictest3999955-21taskset12:05:053
357203799181,13cyclictest3936385-21taskset11:21:043
357203799181,13cyclictest3835167-21taskset10:15:453
357203799181,13cyclictest3794729-21taskset09:50:193
357203799181,13cyclictest3794729-21taskset09:50:183
357203799181,13cyclictest3767232-21taskset09:35:153
3572037991715,1cyclictest0-21swapper/310:00:003
3572037991714,1cyclictest0-21swapper/310:10:163
3572037991714,1cyclictest0-21swapper/308:55:163
3572037991714,1cyclictest0-21swapper/308:35:173
357203799171,13cyclictest4029840-21taskset12:22:213
357203799171,13cyclictest3959631-21taskset11:36:103
357203799171,13cyclictest3870484-21taskset10:40:173
357203799171,13cyclictest3749988-21taskset09:21:273
357203799171,13cyclictest3585829-21taskset07:15:183
357203799171,12cyclictest3974934-21taskset11:45:323
357203799171,12cyclictest3922946-21taskset11:15:133
357203799171,12cyclictest3896603-21taskset10:55:223
357203799171,12cyclictest3721446-21taskset09:04:553
357203799168,6cyclictest40448002sleep312:30:483
3572037991614,1cyclictest0-21swapper/308:40:183
3572037991613,1cyclictest0-21swapper/311:25:143
357203799161,13cyclictest3977106-21taskset11:50:153
357203799161,12cyclictest4052601-21taskset12:35:493
357203799161,12cyclictest3920018-21taskset11:10:203
357203799161,12cyclictest3858436-21taskset10:30:393
357203799161,12cyclictest3818955-21taskset10:05:223
357203799161,12cyclictest3765243-21taskset09:30:413
357203799161,12cyclictest3669854-21taskset08:20:303
357203799161,12cyclictest3625688-21taskset07:50:063
357203799161,12cyclictest3617953-21taskset07:40:213
357203799161,12cyclictest3600104-21taskset07:30:033
357203799161,11cyclictest3663448-21taskset08:15:523
357203799161,10cyclictest37024352sleep308:50:133
39767702151,4sleep13976931-21diskstats11:50:131
38120432151,2sleep20-21swapper/210:01:122
36939782150,2sleep00-21swapper/008:40:200
357203799151,11cyclictest3701344-21taskset08:45:233
39221742141,10sleep03922202-21sh11:15:000
36567852141,4sleep13657029-21users08:10:271
36567852141,4sleep13657029-21users08:10:261
40285772131,3sleep10-21swapper/112:20:241
39995022130,9sleep23999508-21ssh12:04:292
37440322131,9sleep23744204-21iwlist09:20:152
35777192131,9sleep03577978-21/usr/sbin/munin07:10:270
40314522120,9sleep04031661-21cut12:25:160
40004102121,8sleep24000669-21sed12:05:182
39917932120,4sleep23991799-21ssh11:59:442
39507812121,8sleep03950931-21grep11:30:190
39296242120,1sleep20-21swapper/211:19:102
38596312120,9sleep23859637-21ssh10:34:122
38498032121,3sleep03849948-21ntpq10:25:200
39209702111,7sleep23920976-21ssh11:11:302
38680262112,5sleep03868061-21apt-get10:40:120
38655512110,8sleep13865595-21ntpq10:35:231
37877902110,8sleep23787840-21ntpq09:45:212
37723672111,6sleep03772413-21ntpq09:35:240
37436822111,7sleep13743465-21sendmail-msp09:20:021
36773292110,8sleep23678260-21irqstats08:30:152
36180512110,8sleep03618090-21ld07:40:220
357203799119,1cyclictest0-21swapper/307:10:013
35717542110,2sleep2222-21plymouthd07:08:172
40491562101,6sleep04050946-21kthreadcore12:35:180
40409702100,7sleep14042160-21ssh12:30:181
40384072100,7sleep04038700-21tar12:30:020
40217182100,7sleep24021726-21ssh12:16:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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