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2026-03-22 - 15:14
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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 Mar 22, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2371387992926,2cyclictest2642790-21idleruntime-cro23:34:590
237139799272,21cyclictest2612266-21apt-get23:05:113
237138999271,21cyclictest2433843-21apt-get20:10:111
2371397992620,3cyclictest2423208-21apt-get20:00:133
237139799261,21cyclictest2459217-21apt-get20:35:133
237139399262,20cyclictest2576468-21apt-get22:30:122
237139799252,2cyclictest2515279-21apt-get21:30:113
237139799252,2cyclictest2515279-21apt-get21:30:103
2371397992519,4cyclictest2699598-21cut00:30:163
237139799251,21cyclictest2454121-21apt-get20:30:113
237139799251,20cyclictest2602160-21apt-get22:55:113
237139399251,21cyclictest2423208-21apt-get20:00:132
237138999251,2cyclictest2530960-21apt-get21:45:131
237139799241,3cyclictest2628416-21sed23:20:173
237139799241,21cyclictest2658741-21ps23:50:173
237139799241,20cyclictest0-21swapper/321:35:093
237139799241,20cyclictest0-21swapper/319:30:113
237139799240,22cyclictest3871586-21snmpd21:40:103
237139799240,21cyclictest2541532-21grep21:55:153
237139799240,20cyclictest0-21swapper/323:40:123
2371393992420,2cyclictest2694054-21apt-get00:25:112
237139399241,21cyclictest516-21rs:main2
237138999241,2cyclictest2546099-21apt-get22:00:141
237138999241,2cyclictest2438888-21apt-get20:15:101
237138999241,21cyclictest2678174-21cron00:10:001
237138999241,21cyclictest2402927-21grep19:40:151
237138999241,20cyclictest2561305-21apt-get22:15:111
237138799242,2cyclictest2443960-21apt-get20:20:120
237138799242,21cyclictest2556228-21apt-get22:10:120
237138799242,20cyclictest2704146-21apt-get00:35:120
237138799242,20cyclictest2428770-21apt-get20:05:140
237138799241,22cyclictest0-21swapper/020:10:110
237138799241,20cyclictest2551152-21apt-get22:05:120
237138799240,4cyclictest261-21systemd-journal23:19:590
2371397992319,2cyclictest2638009-21apt-get23:30:133
2371397992319,2cyclictest2581503-21seq22:35:143
2371397992318,3cyclictest2407239-21awk19:45:003
237139799231,2cyclictest702-21runrttasks00:15:133
237139799231,2cyclictest2387187-21apt-get19:25:123
237139799231,2cyclictest0-21swapper/323:15:173
237139799231,2cyclictest0-21swapper/322:30:123
237139799231,2cyclictest0-21swapper/300:25:123
237139799231,2cyclictest0-21swapper/300:20:133
237139799231,20cyclictest0-21swapper/322:50:013
237139799230,3cyclictest2412321-21cron19:50:003
237139399232,1cyclictest2371601-21apt-get19:10:112
2371393992320,1cyclictest2632954-21apt-get23:25:112
2371393992319,2cyclictest2474844-21apt-get20:50:112
237139399231,2cyclictest2500115-21apt-get21:15:092
237139399231,20cyclictest0-21swapper/222:10:112
237139399231,19cyclictest0-21swapper/220:45:102
237139399230,22cyclictest261-21systemd-journal23:05:002
237139399230,21cyclictest2683670-21munin-run00:14:592
237139399230,21cyclictest2612749-21irqcore23:05:152
237139399230,20cyclictest0-21swapper/222:05:132
2371389992320,2cyclictest2484952-21apt-get21:00:111
2371389992319,2cyclictest2642786-21cron23:34:591
2371389992319,2cyclictest2616163-21ntpq23:05:191
237138999230,20cyclictest2479879-21apt-get20:55:131
237138999230,1cyclictest2418112-21apt-get19:55:111
2371387992320,2cyclictest2699106-21apt-get00:30:120
2371387992320,2cyclictest2520378-21apt-get21:35:100
237138799231,21cyclictest2580384-21ntpq22:30:210
237138799230,22cyclictest2618712-21ps23:10:160
237138799230,20cyclictest2678166-21cron00:10:000
2371397992218,3cyclictest2479598-21cron20:55:003
2371397992218,2cyclictest2376382-21apt-get19:15:033
2371397992218,2cyclictest0-21swapper/321:45:133
2371397992217,2cyclictest2566362-21apt-get22:20:123
237139799221,1cyclictest2678868-21apt-get00:10:123
237139799220,4cyclictest2485447-21ps21:00:153
237139799220,20cyclictest2386911-21cron19:25:003
237139799220,19cyclictest0-21swapper/323:35:133
237139799220,19cyclictest0-21swapper/320:10:123
2371393992219,1cyclictest2499011-21ntpq21:10:222
2371393992218,2cyclictest2483822-21ntpq20:55:212
237139399220,20cyclictest2648117-21chrt23:40:112
237139399220,19cyclictest0-21swapper/219:55:112
237139399220,19cyclictest0-21swapper/200:15:132
2371389992219,2cyclictest0-21swapper/123:35:131
2371389992219,2cyclictest0-21swapper/122:55:111
2371389992219,2cyclictest0-21swapper/120:40:091
2371389992218,3cyclictest301rcuc/123:30:001
2371389992218,2cyclictest2587028-21grep22:40:151
237138999221,20cyclictest0-21swapper/120:05:031
237138999220,3cyclictest2551636-21ps22:05:161
237138999220,2cyclictest0-21swapper/122:35:141
237138999220,2cyclictest0-21swapper/119:45:111
2371387992219,2cyclictest2377069-21apt-get19:15:110
2371387992218,3cyclictest2596382-21cron22:50:000
2371387992217,3cyclictest2505667-21irqcore21:20:160
237138799221,20cyclictest2464736-21apt-get20:40:090
237138799221,1cyclictest0-21swapper/020:45:100
237138799220,1cyclictest0-21swapper/022:20:130
2371397992118,2cyclictest2555981-21idleruntime-cro22:10:013
2371397992118,2cyclictest0-21swapper/321:50:123
2371397992118,1cyclictest0-21swapper/319:55:113
2371397992116,3cyclictest2607213-21apt-get23:00:123
237139799210,2cyclictest0-21swapper/322:25:123
2371393992119,1cyclictest2643063-21apt-get23:35:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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