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2026-09-15 - 05:41
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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 Tue Sep 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2105924993227,4cyclictest2264549-21cron21:45:003
210592099309,14cyclictest2356359-21munin-plugin-st23:15:002
210592499271,4cyclictest2423397-21/usr/sbin/munin00:20:173
210592499261,22cyclictest2382416-21apt-get23:40:113
2105920992622,3cyclictest2182371-21cron20:25:002
210592099261,21cyclictest0-21swapper/220:45:122
210592499252,20cyclictest2192792-21apt-get20:35:133
210592499251,22cyclictest1-21systemd21:35:003
210592499251,21cyclictest2417925-21runrttasks00:15:113
210592499251,21cyclictest2141631-21apt-get19:45:123
210592099253,2cyclictest2167035-21apt-get20:10:132
210592099252,3cyclictest2126442-21apt-get19:30:122
210592099252,21cyclictest2417922-21apt-get00:15:112
2105920992520,3cyclictest2198287-21apt-get20:40:142
2105920992517,6cyclictest2280956-21sed22:00:172
210592099251,3cyclictest2264825-21apt-get21:45:122
210592099251,22cyclictest2382140-21cron23:40:012
210592099251,22cyclictest2121120-21cron19:24:592
210592099251,20cyclictest2361693-21apt-get23:20:152
210592099250,23cyclictest2161671-21cron20:05:002
2105914992523,1cyclictest0-21swapper/022:58:330
2105914992521,2cyclictest2116302-21apt-get19:20:120
2105914992520,3cyclictest2321141-21apt-get22:40:110
2105914992518,5cyclictest500-21dbus-daemon21:35:000
210592499241,20cyclictest0-21swapper/321:55:123
210592499241,20cyclictest0-21swapper/321:45:113
210592499240,21cyclictest0-21swapper/321:35:113
2105920992421,2cyclictest2331013-21idleruntime-cro22:50:002
2105920992420,2cyclictest2208450-21apt-get20:50:112
2105920992419,3cyclictest2136561-21apt-get19:40:142
2105920992419,2cyclictest2295722-21apt-get22:15:102
210592099241,3cyclictest2397598-21apt-get23:55:102
210592099241,3cyclictest0-21swapper/222:20:122
210592099241,3cyclictest0-21swapper/222:20:122
210592099241,3cyclictest0-21swapper/221:50:112
210592099241,21cyclictest2406683-21ntpq00:00:222
210592099241,21cyclictest2254683-21apt-get21:35:112
210592099241,21cyclictest0-21swapper/219:50:112
2105917992420,2cyclictest2402676-21apt-get00:00:121
2105917992420,2cyclictest2238999-21apt-get21:20:121
210591799241,22cyclictest2151797-21/usr/sbin/munin19:55:281
210591799241,20cyclictest2305895-21apt-get22:25:101
210591799240,4cyclictest2331743-21irqcore22:50:171
210591499242,20cyclictest2387458-21apt-get23:45:120
2105914992420,2cyclictest2433183-21apt-get00:30:130
210591499241,21cyclictest2203333-21apt-get20:45:120
2105924992319,3cyclictest2176901-21latency_hist20:20:013
2105924992319,2cyclictest0-21swapper/321:25:123
2105924992319,2cyclictest0-21swapper/319:35:103
210592499231,2cyclictest0-21swapper/320:30:133
210592499231,20cyclictest0-21swapper/320:20:103
210592499230,20cyclictest0-21swapper/323:50:113
210592499230,20cyclictest0-21swapper/300:25:103
210592499230,19cyclictest0-21swapper/319:50:113
210592499230,19cyclictest0-21swapper/319:30:113
210592099232,2cyclictest2310991-21apt-get22:30:132
2105920992320,2cyclictest2110951-21cron19:15:002
2105920992319,2cyclictest0-21swapper/219:45:122
2105920992319,2cyclictest0-21swapper/219:35:102
2105920992318,3cyclictest2244093-21apt-get21:25:122
2105920992315,3cyclictest2437990-21munin-run00:34:592
210592099231,2cyclictest0-21swapper/222:50:132
210592099231,20cyclictest2336330-21apt-get22:55:132
210592099231,20cyclictest0-21swapper/221:15:122
210592099230,21cyclictest2428574-21cut00:25:142
210592099230,20cyclictest0-21swapper/222:10:112
2105917992320,2cyclictest2223781-21apt-get21:05:111
2105917992319,2cyclictest2106135-21apt-get19:10:121
210591799231,2cyclictest500-21dbus-daemon21:50:001
210591799231,2cyclictest2316083-21apt-get22:35:131
210591799231,2cyclictest2156894-21apt-get20:00:141
210591799230,20cyclictest0-21swapper/120:35:141
210591799230,20cyclictest0-21swapper/120:15:131
2105914992320,2cyclictest2131512-21apt-get19:35:110
2105914992319,2cyclictest2280467-21apt-get22:00:130
2105914992319,2cyclictest2182649-21apt-get20:25:110
2105914992316,5cyclictest2336055-21cron22:55:010
210591499231,2cyclictest2233904-21apt-get21:15:120
2105924992219,2cyclictest0-21swapper/300:10:123
2105924992218,2cyclictest2239490-21grep21:20:163
2105924992218,2cyclictest2218714-21apt-get21:00:143
2105924992218,2cyclictest2151823-21apt-get19:55:133
2105924992218,2cyclictest0-21swapper/320:25:113
210592499221,2cyclictest0-21swapper/300:00:123
210592499221,20cyclictest0-21swapper/323:10:113
210592499221,1cyclictest0-21swapper/320:45:123
210592499220,3cyclictest2166756-21cron20:09:593
210592499220,2cyclictest2412584-21cron00:10:003
210592499220,20cyclictest0-21swapper/322:15:103
210592499220,20cyclictest0-21swapper/322:05:133
210592499220,19cyclictest0-21swapper/321:15:123
210592499220,19cyclictest0-21swapper/320:50:113
210592499220,19cyclictest0-21swapper/319:10:113
2105920992220,1cyclictest2156620-21ls20:00:002
2105920992218,2cyclictest0-21swapper/223:05:122
210592099221,2cyclictest0-21swapper/222:35:132
210592099221,2cyclictest0-21swapper/200:10:122
210592099221,20cyclictest0-21swapper/221:05:112
210592099221,20cyclictest0-21swapper/220:30:132
210592099221,20cyclictest0-21swapper/220:25:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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