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2026-03-08 - 03:08
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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 Sun Mar 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
381995999120112,6cyclictest3905665-21kworker/u4:4+events_unbound22:12:591
38199579910985,20cyclictest54-21kswapd022:25:060
38199599910394,6cyclictest3910064-21kworker/u4:11+events_unbound22:18:001
3819957999646,6cyclictest0-21swapper/020:30:410
3819959999284,6cyclictest3983225-21kworker/u4:0+events_unbound23:58:201
3819959999278,5cyclictest3884330-21kworker/u4:9+events_unbound21:47:551
3819959998980,7cyclictest3931373-21kworker/u4:12+events_unbound22:53:081
3819959998376,5cyclictest3843150-21kworker/u4:12+events_unbound21:22:481
3819957998374,6cyclictest3806087-21kworker/u4:0+events_unbound20:57:440
3819957998137,17cyclictest54-21kswapd000:15:090
3819957997945,5cyclictest4028499-21aten_r7power_po00:35:160
3819959997768,7cyclictest4017563-21kworker/u4:9+events_unbound00:28:241
3819959997464,8cyclictest3953292-21kworker/u4:8+events_unbound23:08:111
3819959997464,8cyclictest3953292-21kworker/u4:8+events_unbound23:08:111
381995799734,63cyclictest3994695-21ssh23:55:290
3819959997054,6cyclictest3974479-21kworker/u4:6+events_unbound23:33:151
3819959996758,7cyclictest3850824-21kworker/u4:19+events_unbound21:12:451
3819959996758,7cyclictest3850824-21kworker/u4:19+events_unbound21:12:451
3819959996758,6cyclictest3828859-21kworker/u4:13+events_unbound21:05:001
3819959996454,6cyclictest0-21swapper/122:00:391
3819959996443,5cyclictest3866581-21kworker/u4:14+events_unbound21:27:491
3819959996355,5cyclictest3845717-21kworker/u4:17+events_unbound20:50:011
3819959996355,5cyclictest3845717-21kworker/u4:17+events_unbound20:50:001
3819959996253,7cyclictest3826295-21kworker/u4:7+events_unbound20:32:351
3819959996154,5cyclictest3957634-21kworker/u4:14+events_unbound23:23:151
3819959996154,5cyclictest3957634-21kworker/u4:14+events_unbound23:23:151
3819957996126,27cyclictest0-21swapper/022:45:100
3819959995948,9cyclictest4014118-21systemd00:18:221
3819957995952,5cyclictest3999563-21grep00:00:420
3819957995951,6cyclictest3923253-21kworker/u4:8+events_unbound22:38:050
3819959995849,6cyclictest4026344-21kworker/u4:11+events_unbound00:35:001
381995799585,32cyclictest3955251-21rm23:10:150
381995799585,32cyclictest3955251-21rm23:10:150
3819957995840,16cyclictest3855326-21latency_hist21:15:010
3819957995840,16cyclictest3855326-21latency_hist21:15:010
3819959995750,5cyclictest3850824-21kworker/u4:19+events_unbound21:37:511
3819959995743,9cyclictest0-21swapper/122:25:191
3819959995648,6cyclictest4030662-21kworker/u4:5+events_unbound00:39:591
3819959995648,5cyclictest3916357-21/usr/sbin/munin22:25:121
3819957995649,5cyclictest3892479-21kworker/u4:14+events_unbound21:57:550
3819957995647,6cyclictest3806087-21kworker/u4:0+events_unbound20:52:420
3819957995645,8cyclictest3886348-21cut21:50:170
3819959995549,4cyclictest3816245-21kworker/u4:2+events_unbound20:55:011
3819959995547,6cyclictest3893233-21ssh21:57:551
3819959995546,7cyclictest3923253-21kworker/u4:8+events_unbound22:41:591
3819959995544,8cyclictest3991969-21kworker/u4:8+events_unbound00:10:211
3819959995543,9cyclictest3755359-21kworker/u4:11+events_unbound20:22:441
3819959995441,9cyclictest37-21kcompactd019:20:291
3819959995441,9cyclictest37-21kcompactd019:20:291
3819957995446,6cyclictest3819955-21cyclictest23:29:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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