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2026-03-12 - 19:50
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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 Mar 12, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3567071992823,2cyclictest3702902-21sleep08:55:003
3567071992320,1cyclictest0-21swapper/309:55:003
356707199221,17cyclictest3747573-21turbostat09:30:003
3567071992017,1cyclictest0-21swapper/312:00:003
3567071991915,2cyclictest0-21swapper/312:20:003
356707199191,14cyclictest3818178-21taskset10:25:113
356707199191,14cyclictest3735140-21taskset09:20:113
356707199191,14cyclictest3735140-21taskset09:20:113
356707199191,13cyclictest3849997-21taskset10:50:003
356707199187,8cyclictest3671065-21turbostat08:34:553
3567071991815,1cyclictest0-21swapper/312:15:003
3567071991814,1cyclictest0-21swapper/311:25:003
356707199181,13cyclictest3951116-21taskset12:05:223
356707199181,13cyclictest3875301-21turbostat11:10:003
356707199181,13cyclictest3850244-21taskset10:50:133
356707199181,13cyclictest3817394-21taskset10:20:223
356707199181,13cyclictest3768781-21taskset09:45:163
356707199179,5cyclictest3856327-21sleep10:59:553
356707199175,9cyclictest3983675-21turbostat12:39:553
3567071991714,1cyclictest0-21swapper/311:43:203
3567071991714,1cyclictest0-21swapper/307:15:013
356707199171,13cyclictest3966645-21taskset12:20:173
356707199171,13cyclictest3612641-21taskset07:40:173
356707199171,12cyclictest3939354-21taskset12:00:013
356707199171,12cyclictest3811543-21turbostat10:20:003
356707199171,12cyclictest3792704-21taskset10:05:083
356707199171,12cyclictest3696524-21turbostat08:50:003
356707199171,12cyclictest3677710-21taskset08:35:113
356707199170,13cyclictest3977313-21turbostat12:30:003
38374902161,5sleep23837523-21apt-get10:40:112
3567071991614,1cyclictest0-21swapper/310:00:013
3567071991613,1cyclictest0-21swapper/310:40:003
3567071991613,1cyclictest0-21swapper/310:31:333
3567071991613,1cyclictest0-21swapper/309:40:143
3567071991613,1cyclictest0-21swapper/307:45:173
356707199161,12cyclictest3983307-21taskset12:30:313
356707199161,12cyclictest3932593-21taskset11:52:483
356707199161,12cyclictest3926250-21taskset11:48:073
356707199161,12cyclictest3913574-21taskset11:38:373
356707199161,12cyclictest3838810-21taskset10:40:143
356707199161,12cyclictest3792242-21taskset10:02:193
356707199161,12cyclictest3689915-21chrt08:41:363
356707199161,12cyclictest3670695-21taskset08:25:293
356707199161,12cyclictest3645703-21chrt08:09:583
356707199161,12cyclictest3639115-21taskset08:01:533
356707199161,12cyclictest3632754-21chrt07:57:333
356707199161,12cyclictest3601047-21chrt07:33:483
356707199161,12cyclictest3594613-21taskset07:27:593
356707199161,12cyclictest3573329-21taskset07:14:563
356707199156,6cyclictest36580462sleep308:16:043
3567071991512,1cyclictest0-21swapper/311:00:173
3567071991512,1cyclictest0-21swapper/307:35:143
356707199151,11cyclictest3906223-21chrt11:30:193
356707199151,11cyclictest3900392-21taskset11:25:273
356707199151,11cyclictest3881476-21chrt11:12:403
356707199151,11cyclictest3804803-21taskset10:10:373
356707199151,11cyclictest3728010-21taskset09:11:463
356707199151,11cyclictest3721803-21taskset09:08:373
356707199151,11cyclictest3715371-21taskset09:02:323
356707199151,11cyclictest3708894-21taskset08:56:073
356707199151,11cyclictest3664743-21turbostat08:25:003
356707199151,10cyclictest3728813-21chrt09:15:103
356707199151,10cyclictest3588054-21taskset07:20:333
356707199150,7cyclictest3881902-21taskset11:15:013
356707199150,12cyclictest3759907-21chrt09:35:263
356707199150,12cyclictest3645950-21chrt08:10:023
356707199150,12cyclictest3626333-21taskset07:51:553
307598150,10rtkit-daemon3715608-21unin-run09:05:001
38819142141,4sleep03881950-21pool-udisksd11:15:110
356707199140,11cyclictest3748162-21chrt09:30:133
307598140,9rtkit-daemon3964091-21sed12:15:221
307598140,4rtkit-daemon468-21systemd-logind07:13:440
307598130,8rtkit-daemon3575670-21if_eno207:15:030
38808102121,8sleep23880887-21/usr/sbin/munin11:10:202
37987772120,9sleep21-21systemd10:10:012
37671462120,8sleep13767180-21apt-get09:45:121
36904382120,8sleep23690471-21apt-get08:45:132
307598120,7rtkit-daemon3703161-21apt-get08:55:121
307598120,7rtkit-daemon3619215-21memory07:45:180
307598120,7rtkit-daemon3613046-21ntp_kernel_pll_07:40:190
39164252110,1sleep20-21swapper/211:40:162
36177562112,6sleep23619213-21load07:45:192
35772602111,7sleep23579213-21grep07:15:162
307598110,2rtkit-daemon0-21swapper/111:40:201
38986162101,7sleep23899711-21memory11:25:182
37985412100,7sleep1476-21rs:main1
37748172100,7sleep23776724-21grep09:50:172
307598100,6rtkit-daemon714-21snmpd09:40:221
307598100,6rtkit-daemon493-21gmain09:08:361
307598100,6rtkit-daemon3799068-21cpu10:10:111
307598100,6rtkit-daemon3734852-21turbostat.cron09:24:551
307598100,6rtkit-daemon3734852-21turbostat.cron09:24:551
307598100,6rtkit-daemon3601186-21kworker/0:1+kacpid08:30:220
307598100,6rtkit-daemon3256-21sendmail-mta08:44:150
307598100,5rtkit-daemon3952094-21apt-get12:10:111
307598100,5rtkit-daemon3948027-21cut12:05:171
307598100,3rtkit-daemon3256-21sendmail-mta10:20:101
307598100,2rtkit-daemon217-21plymouthd08:27:180
3953931290,6sleep03955935-21kthreadcore12:10:170
3926652291,4sleep23926685-21apt-get11:50:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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