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2026-08-09 - 18:00
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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 Sun Aug 09, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235677299281,24cyclictest3777322-21systemd-journal23:20:003
235676199287,2cyclictest2413367-21awk20:05:000
235677299272,21cyclictest2403431-21apt-get19:55:123
235676499272,21cyclictest2520554-21apt-get21:50:091
235677299261,22cyclictest2612385-21apt-get23:20:103
235677299261,22cyclictest2464317-21apt-get20:55:123
235677299261,20cyclictest2444012-21apt-get20:35:123
235677299261,20cyclictest2444012-21apt-get20:35:123
235676499261,21cyclictest2607291-21apt-get23:15:111
235677299251,21cyclictest2408525-21apt-get20:00:143
2356772992511,11cyclictest2571055-21awk22:40:003
235677299250,3cyclictest2550752-21turbostat22:19:593
235676899251,20cyclictest0-21swapper/221:15:122
2356764992520,3cyclictest2418684-21apt-get20:10:121
235676499251,21cyclictest2586585-21apt-get22:55:131
235676499251,21cyclictest2428824-21apt-get20:20:121
235676499251,21cyclictest2382728-21apt-get19:35:131
235676499251,20cyclictest2449103-21apt-get20:40:121
235676499251,20cyclictest2438943-21apt-get20:30:131
2356761992520,3cyclictest2668633-21apt-get00:15:140
235676199251,22cyclictest2571327-21apt-get22:40:130
2356772992420,2cyclictest2653425-21apt-get00:00:133
235677299241,21cyclictest2509674-21cron21:40:003
235677299241,20cyclictest2484549-21apt-get21:15:123
235677299241,20cyclictest0-21swapper/323:10:123
235677299241,20cyclictest0-21swapper/320:50:133
235677299241,19cyclictest0-21swapper/319:40:123
235677299240,22cyclictest2494417-21cron21:25:003
235677299240,20cyclictest2632710-21apt-get23:40:123
2356768992420,2cyclictest2413615-21apt-get20:05:132
235676899241,3cyclictest2535765-21apt-get22:05:112
235676899241,21cyclictest2525652-21apt-get21:55:132
235676899241,21cyclictest2388222-21apt-get19:40:122
235676899240,21cyclictest2632713-21taskset23:40:122
235676499242,20cyclictest2479481-21apt-get21:10:131
2356764992420,2cyclictest2638186-21apt-get23:45:131
235676499241,19cyclictest2688922-21apt-get00:35:121
235676499241,19cyclictest0-21swapper/119:20:131
235676499240,20cyclictest0-21swapper/121:35:131
235676199242,21cyclictest2648325-21apt-get23:55:130
235676199241,22cyclictest2490121-21sed21:20:170
235676199240,22cyclictest2541342-21irqcore22:10:200
2356772992320,2cyclictest0-21swapper/319:45:183
2356772992318,3cyclictest2571826-21grep22:40:163
235677299231,2cyclictest2413615-21apt-get20:05:123
235677299231,19cyclictest0-21swapper/320:15:153
235677299230,4cyclictest2376638-21chrt19:25:253
235677299230,20cyclictest0-21swapper/323:05:133
235677299230,20cyclictest0-21swapper/322:30:113
235677299230,20cyclictest0-21swapper/322:25:143
235677299230,20cyclictest0-21swapper/322:10:143
235677299230,20cyclictest0-21swapper/321:55:133
235677299230,20cyclictest0-21swapper/320:25:123
235677299230,20cyclictest0-21swapper/319:50:133
235677299230,20cyclictest0-21swapper/319:15:003
2356768992320,2cyclictest2356979-21apt-get19:10:132
2356768992318,3cyclictest2683485-21sshd00:29:212
235676899231,2cyclictest2596727-21apt-get23:05:132
235676899231,2cyclictest2591656-21apt-get23:00:122
235676899231,2cyclictest0-21swapper/223:30:132
235676899231,21cyclictest2565125-21ntpq22:30:212
235676899231,21cyclictest2515465-21apt-get21:45:112
235676899231,20cyclictest2535443-21chrt22:04:292
235676899231,20cyclictest0-21swapper/220:15:152
235676899230,20cyclictest0-21swapper/223:20:102
2356764992319,2cyclictest2617479-21apt-get23:25:111
235676499231,2cyclictest2444012-21apt-get20:35:121
235676499231,2cyclictest2444012-21apt-get20:35:121
235676499231,2cyclictest0-21swapper/100:20:121
235676499231,19cyclictest0-21swapper/123:10:131
235676499231,19cyclictest0-21swapper/100:05:141
235676499230,21cyclictest500-21dbus-daemon21:45:011
235676499230,20cyclictest0-21swapper/123:35:131
235676499230,20cyclictest0-21swapper/122:00:121
2356761992320,2cyclictest2362493-21apt-get19:15:130
2356761992320,2cyclictest0-21swapper/000:20:160
235676199231,2cyclictest2627643-21apt-get23:35:130
235676199231,2cyclictest2530721-21apt-get22:00:120
235676199231,2cyclictest2423756-21apt-get20:15:150
235676199231,2cyclictest2393292-21apt-get19:45:140
235676199231,21cyclictest2658494-21apt-get00:05:140
235676199231,20cyclictest2663539-21apt-get00:10:130
235676199230,3cyclictest2683477-21sshd00:29:210
2356772992219,2cyclictest0-21swapper/300:35:123
2356772992218,2cyclictest2617479-21apt-get23:25:123
235677299221,20cyclictest2687741-21ntpq00:30:203
235677299221,20cyclictest0-21swapper/320:45:133
235677299221,20cyclictest0-21swapper/319:20:013
235677299221,1cyclictest0-21swapper/300:11:543
235677299220,21cyclictest2648049-21cron23:55:003
235677299220,21cyclictest2422601-21ntpq20:10:203
235677299220,21cyclictest1-21systemd21:10:003
235677299220,20cyclictest2469889-21tr21:00:173
235677299220,20cyclictest0-21swapper/323:35:123
235677299220,20cyclictest0-21swapper/322:55:113
2356768992219,2cyclictest0-21swapper/221:50:092
2356768992219,1cyclictest0-21swapper/219:45:132
235676899221,20cyclictest0-21swapper/223:15:022
235676899220,2cyclictest2545929-21apt-get22:15:122
235676899220,2cyclictest2449107-21seq20:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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