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2025-07-16 - 01:05
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Tue Jul 15, 2025 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18468099139129,6cyclictest326456-21kworker/u4:17+events_unbound12:00:150
1846849910692,11cyclictest54-21kswapd011:50:381
184684999586,7cyclictest280649-21kworker/u4:9+events_unbound11:10:311
184684999478,6cyclictest244281-21kworker/u4:12+events_unbound09:55:051
184684998275,5cyclictest247333-21kworker/u4:8+events_unbound10:00:071
184684998173,6cyclictest217980-21kworker/u4:12+events_unbound09:15:001
184684998071,6cyclictest193755-21kworker/u4:11+events_unbound09:30:021
184680997832,15cyclictest213013-21latency_hist09:00:000
184680997767,7cyclictest250694-21kworker/u4:9+events_unbound10:10:380
184680997730,45cyclictest306974-21unixbench_singl11:25:420
184684997658,9cyclictest290818-21kworker/u4:13+events_unbound11:20:401
184684997567,6cyclictest172217-21kworker/u4:13+events_unbound07:59:431
184684997465,7cyclictest311534-21kworker/u4:8+events_unbound11:35:171
184684997367,4cyclictest307761-21kworker/u4:1+events_unbound12:00:101
184684997364,7cyclictest212968-21kworker/u4:1+events_unbound09:04:591
184680997238,6cyclictest226994-21timerwakeupswit09:25:430
184680997238,5cyclictest242599-21fschecks_count09:50:180
184684997163,6cyclictest172216-21kworker/u4:12+events_unbound08:19:471
184684997058,9cyclictest191201-21systemd07:34:371
184684996858,7cyclictest54-21kswapd010:25:121
184680996857,8cyclictest273864-21kworker/u4:1+events_unbound10:40:000
184684996760,5cyclictest187173-21kworker/u4:14+events_unbound08:49:531
184684996658,6cyclictest297332-21kworker/u4:6+events_unbound11:15:221
184684996611,51cyclictest336210-21ssh12:05:331
184684996452,9cyclictest187193-21systemd07:19:341
184680996445,14cyclictest184607-21kworker/u4:2+xprtiod07:20:120
184684996356,5cyclictest284143-21kworker/u4:2+events_unbound11:10:011
184680996356,5cyclictest311533-21kworker/u4:7+events_unbound11:35:010
184680996355,6cyclictest54-21kswapd011:00:330
184684996254,6cyclictest284143-21kworker/u4:2+events_unbound10:55:171
184684996253,6cyclictest337455-21kworker/u4:1+events_unbound12:17:021
184684996245,7cyclictest217980-21kworker/u4:12+events_unbound09:40:591
184684996154,5cyclictest353774-21kworker/u4:13+events_unbound12:30:011
184684996154,5cyclictest182171-21kworker/u4:1+events_unbound07:35:021
184684996149,5cyclictest315249-21kworker/u4:12+events_unbound11:47:001
184684996146,8cyclictest256962-21kworker/u4:15+events_unbound10:15:001
184680996139,14cyclictest0-21swapper/007:25:100
184684996052,6cyclictest304124-21kworker/u4:0+events_unbound12:10:391
184684996048,9cyclictest0-21swapper/110:40:381
184684995952,5cyclictest269818-21kworker/u4:11+events_unbound10:32:011
184684995841,7cyclictest220779-21kworker/u4:14+events_unbound09:45:031
184684995738,6cyclictest349145-21kworker/u4:8+events_unbound12:35:001
184680995744,8cyclictest37-21kcompactd011:21:430
18468099574,22cyclictest184657-21munin-run07:10:010
184684995650,4cyclictest250696-21kworker/u4:12+events_unbound10:20:011
184684995648,6cyclictest184607-21kworker/u4:2+events_unbound07:20:111
184684995647,7cyclictest309555-21/usr/sbin/munin11:30:171
184680995648,5cyclictest311534-21kworker/u4:8+events_unbound11:40:000
184680995645,8cyclictest284142-21kworker/u4:1+events_unbound11:05:350
184684995544,9cyclictest348692-21unixbench_singl12:20:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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