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2026-03-10 - 10:13
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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 Mar 10, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24170499910992,7cyclictest2586562-21kworker/u4:5+events_unbound00:12:551
2417048999890,6cyclictest2428504-21kworker/u4:10+events_unbound19:57:150
2417048999386,5cyclictest2586562-21kworker/u4:5+events_unbound00:27:550
2417049999284,6cyclictest2423395-21kworker/u4:19+events_unbound20:22:201
2417049999177,6cyclictest2464154-21kworker/u4:4+events_unbound21:37:271
2417049999177,6cyclictest2464154-21kworker/u4:4+events_unbound21:37:271
2417049998982,5cyclictest2427234-21kworker/u4:8+events_unbound19:52:151
2417049998880,6cyclictest2438890-21kworker/u4:0+events_unbound20:32:201
2417048998881,5cyclictest2406025-21kworker/u4:1+events_unbound19:22:110
2417049998780,5cyclictest2431152-21kworker/u4:15+events_unbound20:02:161
2417048998679,5cyclictest2418275-21kworker/u4:3+events_unbound19:17:080
2417048998679,5cyclictest2414547-21kworker/u4:7+events_unbound19:27:100
2417048998679,5cyclictest2414547-21kworker/u4:7+events_unbound19:27:100
2417048998376,5cyclictest2422112-21kworker/u4:15+events_unbound19:37:120
2417048997771,4cyclictest2440165-21kworker/u4:7+events_unbound20:57:230
2417048997467,5cyclictest2438891-21kworker/u4:1+events_unbound20:37:200
2417048997158,9cyclictest37-21kcompactd022:48:550
2417049996761,4cyclictest2494827-21kworker/u4:13+events_unbound22:05:191
2417048996659,5cyclictest2427233-21kworker/u4:7+events_unbound20:19:440
2417048996534,20cyclictest0-21swapper/023:35:320
2417049996456,5cyclictest2427233-21kworker/u4:7+events_unbound20:20:001
2417049996356,5cyclictest2569406-21kworker/u4:0+events_unbound23:42:501
2417049996349,5cyclictest2436350-21kworker/u4:9+events_unbound20:29:011
2417049996247,6cyclictest2529889-21kworker/u4:8+events_unbound22:45:591
2417049996154,5cyclictest2613298-21kworker/u4:0+events_unbound00:32:591
2417048996150,8cyclictest314-21systemd-journal22:02:320
2417049996052,6cyclictest2448397-21dpkg21:10:131
2417048995838,17cyclictest2607717-21grep00:10:390
2417049995749,5cyclictest2571644-21df_abs23:30:181
2417048995750,5cyclictest2538181-21kworker/u4:4+events_unbound22:52:440
2417048995749,6cyclictest2594413-21/usr/sbin/munin23:55:390
2417048995749,5cyclictest2484623-21/usr/sbin/munin21:50:390
2417049995549,4cyclictest2521312-21systemd22:32:391
2417049995548,5cyclictest2594237-21/usr/sbin/munin23:55:361
2417049995548,5cyclictest2569409-21kworker/u4:4+events_unbound23:40:001
2417049995548,5cyclictest2418275-21kworker/u4:3+events_unbound19:13:451
2417049995541,6cyclictest2442819-21kworker/u4:0+events_unbound21:02:511
2417048995543,8cyclictest2530537-21diskmemload22:43:200
2417048995533,19cyclictest2489255-21unixbench_singl21:55:400
2417049995447,5cyclictest2610882-21aten2__00:15:151
2417049995447,5cyclictest2610882-21aten2__00:15:151
2417049995447,5cyclictest2563339-21ntp_kernel_err23:20:251
2417049995442,5cyclictest2415778-21kworker/u4:8+events_unbound19:26:121
2417049995442,5cyclictest2415778-21kworker/u4:8+events_unbound19:26:111
2417048995448,4cyclictest2578294-21kworker/u4:2+events_unbound23:53:000
2417048995446,6cyclictest2543290-21kworker/u4:13+events_unbound22:58:510
2417048995446,6cyclictest2507538-21kworker/u4:16+events_unbound22:19:000
2417049995346,5cyclictest2475810-21/usr/sbin/munin21:40:391
2417049995346,5cyclictest2440209-21sh20:40:011
2417049995345,6cyclictest2613301-21kworker/u4:3+events_unbound00:22:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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