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2025-12-09 - 18:39
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Tue Dec 09, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280233699282,22cyclictest2853790-21apt-get08:00:151
280233699273,22cyclictest3035880-21kthreadcore10:35:201
2802333992723,3cyclictest171ktimers/010:00:310
280234299262,21cyclictest2889389-21apt-get08:35:113
280233699262,21cyclictest2899588-21apt-get08:45:141
280233699261,21cyclictest2879194-21apt-get08:25:101
2802342992521,2cyclictest2974970-21sh09:50:013
280234299251,20cyclictest0-21swapper/310:45:133
280234299250,22cyclictest3152740-21hddtemp_smartct12:10:203
280234099251,22cyclictest3165319-21apt-get12:20:112
280234099251,22cyclictest3165319-21apt-get12:20:102
280234099250,2cyclictest191rcu_preempt11:02:262
280234099250,1cyclictest191rcu_preempt10:51:082
280233699252,2cyclictest3013341-21apt-get10:20:131
280233699252,21cyclictest2943890-21apt-get09:25:121
280233699250,5cyclictest3189719-21seq12:38:411
280233399251,23cyclictest0-21swapper/009:35:190
280233399250,6cyclictest0-21swapper/009:52:230
2802342992420,2cyclictest2817787-21apt-get07:25:143
2802342992419,3cyclictest3106067-21ntpq11:30:213
280234299241,21cyclictest524-21rs:main3
280234299241,19cyclictest2838183-21apt-get07:45:123
280234299241,19cyclictest0-21swapper/311:50:143
280234299240,23cyclictest3139213-21taskset11:59:193
280234299240,1cyclictest191rcu_preempt12:29:243
280234099241,21cyclictest2924712-21diskmemload09:43:092
280234099240,4cyclictest2843321-21rm07:50:022
280234099240,18cyclictest3974480-21kworker/u8:0+xprtiod10:25:192
2802336992420,2cyclictest0-21swapper/110:45:171
2802336992420,2cyclictest0-21swapper/109:24:591
2802336992419,3cyclictest3044107-21sh10:41:331
280233699241,3cyclictest3133442-21apt-get11:55:121
280233699241,21cyclictest2924712-21diskmemload11:23:361
280233699241,21cyclictest2924712-21diskmemload10:27:041
280233699241,20cyclictest2924712-21diskmemload12:25:131
280233699241,20cyclictest2914794-21apt-get09:00:121
280233699241,20cyclictest2828008-21apt-get07:35:121
280233699241,20cyclictest2802552-21apt-get07:10:121
280233699240,21cyclictest2931457-21cpuspeed_turbos09:15:131
280233699240,21cyclictest0-21swapper/109:50:111
280233699240,21cyclictest0-21swapper/107:30:121
280233699240,20cyclictest2994489-21ssh10:05:141
280233699240,20cyclictest2924712-21diskmemload11:50:091
280233699240,20cyclictest0-21swapper/112:00:121
280233699240,20cyclictest0-21swapper/107:45:131
2802333992422,1cyclictest2981235-21kworker/0:1-mm_percpu_wq10:35:020
280233399241,21cyclictest3188160-21ntpq12:35:200
280233399241,21cyclictest2937621-21apt-get09:20:130
2802342992319,2cyclictest2924712-21diskmemload10:40:063
2802342992318,3cyclictest3165832-21sort12:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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