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2026-05-08 - 01:46
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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 Thu May 07, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1652409992825,1cyclictest0-21swapper/311:35:243
19519112230,2sleep0221rcuc/010:40:000
1652409992219,1cyclictest0-21swapper/311:05:003
165240999221,16cyclictest1856298-21taskset09:38:213
165240999221,16cyclictest1848749-21taskset09:34:213
165240999212,14cyclictest1983002-21taskset10:58:513
1652409992119,1cyclictest0-21swapper/310:45:123
1652409992118,1cyclictest0-21swapper/310:24:593
165240999211,16cyclictest1763390-21taskset08:30:223
165240999211,15cyclictest1975238-21taskset10:54:183
165240999211,15cyclictest1975238-21taskset10:54:183
165240999211,14cyclictest1917941-21chrt10:15:223
16461872212,6sleep11646184-21apt-get07:05:151
1652409992017,1cyclictest0-21swapper/312:20:223
1652409992017,1cyclictest0-21swapper/312:20:013
1652409992017,1cyclictest0-21swapper/312:20:003
1652409992017,1cyclictest0-21swapper/312:05:003
1652409992017,1cyclictest0-21swapper/311:55:153
1652409992017,1cyclictest0-21swapper/311:45:173
1652409992016,1cyclictest0-21swapper/309:10:003
165240999201,14cyclictest1959962-21taskset10:45:003
17965162199,7sleep2314-21systemd-journal09:00:002
165240999192,13cyclictest2069338-21taskset11:51:353
1652409991916,1cyclictest0-21swapper/309:50:193
1652409991916,1cyclictest0-21swapper/309:15:173
165240999191,4cyclictest1790114-21sleep08:55:003
165240999191,14cyclictest1871125-21taskset09:45:393
165240999191,14cyclictest1863552-21taskset09:41:313
165240999191,14cyclictest1832269-21taskset09:22:343
165240999191,13cyclictest1686803-21sleep07:39:553
16545182187,8sleep01656294-21cut07:10:190
16545182187,8sleep01656294-21cut07:10:180
165240999181,6cyclictest1712701-21turbostat07:55:013
1652409991816,1cyclictest0-21swapper/312:05:123
1652409991816,1cyclictest0-21swapper/307:45:143
1652409991815,1cyclictest0-21swapper/312:10:273
1652409991815,1cyclictest0-21swapper/311:10:133
1652409991815,1cyclictest0-21swapper/310:05:173
1652409991815,1cyclictest0-21swapper/310:05:003
165240999181,14cyclictest2141398-21taskset12:38:513
165240999181,13cyclictest2125261-21taskset12:28:053
165240999181,13cyclictest1998594-21taskset11:07:533
165240999181,13cyclictest1944143-21taskset10:35:033
165240999181,13cyclictest1833883-21taskset09:25:143
165240999181,13cyclictest1815690-21taskset09:10:273
165240999181,13cyclictest1783596-21taskset08:49:233
165240999181,13cyclictest1652623-21taskset07:10:123
165240999181,13cyclictest1652623-21taskset07:10:123
165240999181,12cyclictest1771029-21chrt08:40:123
165240999180,13cyclictest2038889-21taskset11:34:563
1652409991715,1cyclictest0-21swapper/310:30:193
1652409991714,1cyclictest0-21swapper/307:40:203
165240999171,13cyclictest2053483-21taskset11:41:293
165240999171,13cyclictest2030921-21taskset11:29:513
165240999171,13cyclictest2021995-21taskset11:22:053
165240999171,13cyclictest1934353-21taskset10:25:333
165240999171,13cyclictest1911333-21taskset10:12:253
165240999171,13cyclictest1796799-21taskset09:00:043
165240999171,13cyclictest1757839-21taskset08:29:473
165240999171,12cyclictest2007575-21taskset11:15:123
165240999171,12cyclictest1745241-21chrt08:20:113
165240999171,12cyclictest1744678-21taskset08:16:593
165240999171,12cyclictest1738213-21taskset08:11:583
165240999171,12cyclictest1725844-21taskset08:05:083
165240999171,12cyclictest1718786-21taskset07:55:343
165240999171,12cyclictest1686515-21taskset07:31:503
1652409991613,1cyclictest0-21swapper/308:00:253
1652409991611,3cyclictest17903852sleep308:55:133
165240999161,12cyclictest2132283-21taskset12:30:403
165240999161,12cyclictest1770403-21taskset08:36:083
165240999161,12cyclictest1674618-21taskset07:25:153
165240999161,12cyclictest1673764-21taskset07:22:523
165240999161,12cyclictest1667123-21taskset07:15:493
165240999161,11cyclictest1881054-21chrt09:55:133
21249622120,6sleep11809410-21diskmemload12:27:181
21170532121,4sleep0222-21plymouthd12:22:120
19990732121,8sleep21999079-21ssh11:09:152
19917242120,3sleep00-21swapper/011:05:110
19115002121,8sleep11911505-21sh10:12:521
18729962120,9sleep21873002-21ssh09:50:082
129998120,8rtkit-daemon2195379-21ntpd08:50:160
129998120,8rtkit-daemon2132360-21ssh12:30:531
129998120,4rtkit-daemon1659078-21munin-node08:57:170
21396252110,8sleep12139661-21ld12:35:241
21166312110,8sleep12116639-21ssh12:21:011
20294532110,8sleep02029459-21ssh11:25:590
20195912110,5sleep22020579-21sh11:20:202
19891252110,8sleep01989171-21ntpq11:00:220
19189762110,1sleep00-21swapper/010:16:440
17377212110,8sleep21737835-21threads08:10:252
17065452110,7sleep11706687-21cut07:50:121
16945052110,7sleep11695367-21grep07:40:181
129998110,7rtkit-daemon1002-21runrttasks09:15:472
129998110,6rtkit-daemon222-21plymouthd08:03:330
129998110,4rtkit-daemon703-21mta-sts-daemon10:55:131
129998110,2rtkit-daemon222-21plymouthd09:07:470
21158722100,7sleep22115904-21ntpq12:20:222
20626192104,4sleep21965937-21kworker/u16:3+nfsiod11:49:552
19754132100,1sleep00-21swapper/010:54:490
19754132100,1sleep00-21swapper/010:54:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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