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2026-05-24 - 02:48
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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
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Sun May 24, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11037139920192,66cyclictest1145691-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
21:37:500
110372399144130,7cyclictest1241033-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:03:062
110372399144130,7cyclictest1241033-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:03:062
11037139914165,47cyclictest1343252-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:30:340
110372399121107,7cyclictest1177034-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:32:482
11037239911399,7cyclictest1115577-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
20:22:342
11037239911398,8cyclictest1264487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:51:352
11037239911197,7cyclictest1157617-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
21:17:452
110373299106100,3cyclictest0-21swapper/419:27:244
11037239910685,8cyclictest1299118-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:55:052
11037239910391,6cyclictest1343252-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:13:152
11037239910391,6cyclictest1343252-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:13:152
11037239910287,8cyclictest1219243-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:17:592
11037329910196,2cyclictest0-21swapper/420:52:394
11037329910196,2cyclictest0-21swapper/420:52:384
1103732999892,2cyclictest0-21swapper/421:47:534
1103732999892,2cyclictest0-21swapper/421:47:534
1103732999685,6cyclictest1371471-21ssh23:58:364
1103732999672,19cyclictest1292700-21sh22:58:114
1103713999653,6cyclictest13-21ksoftirqd/000:15:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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