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2026-07-01 - 14:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Wed Jul 01, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
587612994845,2cyclictest699141-21fwupd20:57:113
587612993027,2cyclictest0-21swapper/323:20:003
58760299281,26cyclictest0-21swapper/020:05:120
587609992624,1cyclictest74-1kworker/2:1H+kblockd20:57:122
58760299261,21cyclictest745325-21apt-get21:45:130
58760299261,21cyclictest633473-21apt-get19:55:120
587612992520,3cyclictest791074-21apt-get22:30:123
58760799256,1cyclictest0-21swapper/120:00:121
587607992521,2cyclictest311ktimers/119:10:171
58760799251,2cyclictest719958-21apt-get21:20:121
58760799251,23cyclictest592942-21apt-get19:15:121
58760299252,3cyclictest725019-21apt-get21:25:110
58760299252,21cyclictest893905-21apt-get00:15:120
58761299241,20cyclictest765603-21apt-get22:05:123
58761299241,20cyclictest755468-21apt-get21:55:123
58760999241,21cyclictest913711-21sshd00:32:452
58760999240,4cyclictest740711-21chrt21:40:152
587607992422,1cyclictest301rcuc/121:15:161
587607992421,2cyclictest301rcuc/119:25:001
58760799241,21cyclictest775743-21apt-get22:15:101
58760799241,21cyclictest658791-21apt-get20:20:121
587602992420,2cyclictest914187-21apt-get00:35:140
587602992420,2cyclictest857763-21apt-get23:35:130
587602992420,2cyclictest673927-21apt-get20:35:120
587602992420,2cyclictest653709-21apt-get20:15:110
587602992418,4cyclictest837263-21cron23:15:000
58760299241,3cyclictest739220-21/usr/sbin/munin21:35:210
58760299241,3cyclictest699653-21apt-get21:00:110
58760299241,21cyclictest827438-21apt-get23:05:120
58760299241,21cyclictest815707-21ntpq22:50:230
58760299241,21cyclictest668873-21apt-get20:30:110
58760299241,21cyclictest0-21swapper/019:45:110
58760299240,21cyclictest888576-21basename00:10:000
58761299231,2cyclictest745325-21apt-get21:45:123
58761299230,21cyclictest913907-21ls00:35:003
58761299230,20cyclictest0-21swapper/323:45:143
58761299230,20cyclictest0-21swapper/322:10:113
58761299230,20cyclictest0-21swapper/320:30:113
587609992320,2cyclictest822363-21apt-get23:00:142
587609992319,2cyclictest796121-21apt-get22:35:132
587609992317,4cyclictest751369-21sort21:50:192
587609992317,4cyclictest751369-21sort21:50:182
58760999231,20cyclictest618289-21apt-get19:40:112
58760799232,2cyclictest872948-21apt-get23:50:131
587607992320,2cyclictest694611-21apt-get20:55:121
58760799231,2cyclictest832492-21apt-get23:10:111
58760799231,2cyclictest725019-21apt-get21:25:111
58760799231,2cyclictest694329-21cron20:54:591
58760799231,20cyclictest816864-21apt-get22:55:111
58760799231,20cyclictest0-21swapper/121:10:121
58760799230,3cyclictest734905-21cron21:35:001
58760799230,21cyclictest785702-21cron22:25:011
587602992319,2cyclictest750417-21apt-get21:50:140
587602992319,2cyclictest750417-21apt-get21:50:130
587602992319,2cyclictest0-21swapper/022:15:090
58760299231,2cyclictest847679-21apt-get23:25:120
58760299231,2cyclictest0-21swapper/020:45:120
58760299231,21cyclictest679429-21apt-get20:40:140
58760299231,20cyclictest842624-21apt-get23:20:120
58760299230,22cyclictest689580-21apt-get20:50:110
587612992219,1cyclictest0-21swapper/320:10:123
58761299220,21cyclictest591813-21ntpq19:10:223
58761299220,20cyclictest0-21swapper/321:20:133
58761299220,19cyclictest837288-21turbostat23:14:593
58761299220,19cyclictest0-21swapper/322:50:143
587609992220,1cyclictest837547-21apt-get23:15:132
587609992220,1cyclictest684506-21apt-get20:45:122
587609992219,2cyclictest806707-21apt-get22:45:142
587609992217,3cyclictest3777322-21systemd-journal21:50:002
58760999221,2cyclictest770661-21apt-get22:10:112
58760999221,20cyclictest603105-21apt-get19:25:102
58760999220,4cyclictest812295-21ps22:50:192
58760999220,3cyclictest848180-21grep23:25:162
58760999220,21cyclictest663567-21ls20:25:012
58760999220,20cyclictest1-21systemd19:35:002
58760999220,20cyclictest0-21swapper/219:50:132
58760799222,19cyclictest301rcuc/100:25:161
587607992220,1cyclictest888842-21apt-get00:10:081
587607992219,2cyclictest0-21swapper/121:45:121
587607992217,2cyclictest0-21swapper/120:15:001
587607992215,1cyclictest191rcu_preempt19:31:061
587607992215,1cyclictest191rcu_preempt00:35:011
58760799221,20cyclictest867850-21apt-get23:45:131
58760799221,20cyclictest0-21swapper/122:05:131
58760799220,21cyclictest898658-21cron00:19:591
58760799220,20cyclictest0-21swapper/122:35:131
58760799220,1cyclictest898941-21apt-get00:20:141
58760799220,1cyclictest898941-21apt-get00:20:141
587602992219,2cyclictest913909-21cron00:35:000
587602992219,2cyclictest0-21swapper/020:55:130
587602992219,2cyclictest0-21swapper/000:27:140
587602992218,3cyclictest613236-21apt-get19:35:110
587602992218,2cyclictest0-21swapper/000:10:130
587602992217,3cyclictest714579-21cron21:15:000
58760299221,2cyclictest0-21swapper/000:20:140
58760299221,2cyclictest0-21swapper/000:20:140
58760299221,20cyclictest0-21swapper/022:45:130
58760299221,20cyclictest0-21swapper/022:30:110
58760299221,20cyclictest0-21swapper/020:12:250
58760299220,3cyclictest618778-21grep19:40:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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