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2026-01-03 - 13:05
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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, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Sat Jan 03, 2026 00:47:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
572859214671448,9sleep1570155-21kworker/1:0+events@
dbs_work_handler
19:05:201
57436199132103,24cyclictest210-21kswapd021:15:270
5743619912554,48cyclictest823275-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
00:11:000
5743619912087,26cyclictest598289-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
20:16:430
57437399119106,6cyclictest812699-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:58:173
78425621170,6sleep10-21swapper/123:32:021
78425621170,6sleep10-21swapper/123:32:021
5743619911781,28cyclictest677941-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:01:570
5743619911781,28cyclictest677941-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:01:570
574361991161,82cyclictest789294-1kworker/u13:3+xprtiod@
xs_stream_data_receive_workfn
23:42:490
574361991161,82cyclictest789294-1kworker/u13:3+xprtiod@
xs_stream_data_receive_workfn
23:42:490
5743619911534,65cyclictest580025-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:45:040
5743619911348,50cyclictest13-21ksoftirqd/000:28:000
574361991132,6cyclictest626727-21awk21:15:000
5743619911138,25cyclictest647185-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:15:320
5743739910995,7cyclictest632220-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:21:533
5743619910979,25cyclictest210-21kswapd022:40:000
5743619910979,25cyclictest210-21kswapd022:39:590
5743619910881,23cyclictest210-21kswapd022:45:160
5743619910881,23cyclictest210-21kswapd022:45:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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