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2026-07-22 - 12:18
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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 22, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233946599377,27cyclictest0-21swapper/023:25:160
233946599321,28cyclictest0-21swapper/021:20:140
233946599310,30cyclictest1-21systemd19:44:590
2339475992925,2cyclictest0-21swapper/319:20:153
233946599291,9cyclictest1-21systemd21:35:010
233946599290,9cyclictest2594062-21ls23:20:000
233946599290,9cyclictest2594062-21ls23:20:000
233946599290,26cyclictest0-21swapper/021:35:030
233946799281,22cyclictest2584171-21apt-get23:10:131
233946599288,9cyclictest0-21swapper/023:50:000
233946599287,10cyclictest0-21swapper/022:40:150
2339465992820,6cyclictest2369398-21ntpq19:35:220
2339465992819,7cyclictest0-21swapper/020:40:150
2339465992819,7cyclictest0-21swapper/020:40:140
233946599281,7cyclictest0-21swapper/023:05:110
2339475992724,2cyclictest0-21swapper/320:40:193
2339475992724,2cyclictest0-21swapper/320:40:183
233946799272,21cyclictest2406049-21apt-get20:15:141
233946799272,21cyclictest2385681-21apt-get19:55:121
2339465992715,10cyclictest2646212-21fw_forwarded_lo00:10:140
233946599271,25cyclictest2660032-21ntpq00:20:210
233946599271,23cyclictest2492811-21apt-get21:40:130
233946599270,26cyclictest2507774-21basename21:55:010
233946599270,26cyclictest0-21swapper/019:30:120
233946599270,24cyclictest0-21swapper/021:10:140
233946599270,24cyclictest0-21swapper/000:35:130
233946799261,22cyclictest2538510-21apt-get22:25:141
233946799261,20cyclictest2518186-21apt-get22:05:151
2339465992617,8cyclictest2456596-21munin-run21:05:000
233946599261,6cyclictest0-21swapper/021:28:570
2339465992616,2cyclictest2380362-21awk19:50:000
233946599261,24cyclictest0-21swapper/020:36:490
233946599261,13cyclictest2399856-21ld20:05:220
233946599260,1cyclictest0-21swapper/020:30:190
233946599260,19cyclictest2391233-21ps20:00:160
2339470992523,1cyclictest41-21ksoftirqd/219:44:592
233947099252,21cyclictest2421256-21apt-get20:30:122
233947099251,22cyclictest2553713-21apt-get22:40:122
233946799252,3cyclictest2482204-21apt-get21:30:131
233946799251,22cyclictest2514066-21sort22:00:181
233946799251,21cyclictest2618976-21ntpq23:40:341
233946799251,20cyclictest2548670-21apt-get22:35:141
233946799251,20cyclictest0-21swapper/119:35:131
233946599251,20cyclictest0-21swapper/000:25:130
233946599251,12cyclictest500-21dbus-daemon21:50:010
233946599250,13cyclictest2654954-21ld00:15:220
2339475992421,1cyclictest2513113-21apt-get22:00:133
2339475992420,2cyclictest2640857-21apt-get00:05:133
233947599241,20cyclictest2436537-21apt-get20:45:133
233947599240,20cyclictest0-21swapper/320:50:123
233947099243,20cyclictest0-21swapper/200:20:162
2339470992421,2cyclictest391rcuc/223:10:002
2339470992420,2cyclictest2574031-21apt-get23:00:132
2339467992420,2cyclictest2630734-21apt-get23:55:111
233946799241,2cyclictest2370499-21apt-get19:40:111
233946799241,21cyclictest2624940-21cron23:50:001
233946799241,21cyclictest2481019-21ntpq21:25:221
233946799241,20cyclictest2645925-21apt-get00:10:111
233946799240,22cyclictest2441325-21cron20:50:001
233946799240,21cyclictest0-21swapper/122:15:121
233946599240,22cyclictest2523755-21ps22:10:170
233946599240,21cyclictest2406531-21irqcore20:15:180
233946599240,21cyclictest0-21swapper/022:45:120
233946599240,14cyclictest2436726-21fschecks_count20:45:150
233946599240,13cyclictest2609621-21cpuspeed_turbos23:35:130
233946599240,13cyclictest2419565-21grep20:25:200
233946599240,12cyclictest2540671-21grep22:25:190
233946599240,12cyclictest2356321-21grep19:25:180
2339475992320,1cyclictest2400979-21apt-get20:10:123
233947599231,2cyclictest2594334-21apt-get23:20:133
233947599231,2cyclictest0-21swapper/323:05:163
233947599231,20cyclictest2380608-21apt-get19:50:093
233947599230,22cyclictest2624988-21apt-key23:50:003
233947599230,21cyclictest2584653-21irqcore23:10:173
233947599230,19cyclictest0-21swapper/319:40:113
233947099232,20cyclictest2497881-21apt-get21:45:132
2339470992320,2cyclictest2558779-21apt-get22:45:132
2339470992319,2cyclictest2523272-21apt-get22:10:122
2339470992318,4cyclictest2613533-21ntpq23:35:212
233947099231,2cyclictest2404965-21ntpq20:10:222
233947099231,2cyclictest2354868-21apt-get19:25:122
233947099231,20cyclictest2487720-21apt-get21:35:132
233947099230,22cyclictest2668477-21ps00:30:172
233947099230,20cyclictest0-21swapper/219:35:122
2339467992319,2cyclictest0-21swapper/123:00:131
2339467992319,2cyclictest0-21swapper/122:20:121
2339467992318,3cyclictest0-21swapper/119:15:191
233946799231,3cyclictest2446422-21ls20:54:591
233946799231,2cyclictest0-21swapper/120:05:121
233946799231,2cyclictest0-21swapper/100:20:131
233946799231,21cyclictest2487720-21apt-get21:35:141
233946799231,20cyclictest0-21swapper/121:40:131
233946799230,21cyclictest0-21swapper/123:25:111
233946799230,20cyclictest0-21swapper/123:30:121
233946799230,20cyclictest0-21swapper/122:45:131
233946799230,20cyclictest0-21swapper/120:30:121
233946799230,20cyclictest0-21swapper/119:10:111
233946599232,9cyclictest2343983-21awk19:10:250
2339465992319,2cyclictest2533412-21apt-get22:20:120
233946599231,20cyclictest2574514-21ps23:00:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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