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2026-04-28 - 09:54
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Tue Apr 28, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/032094-21kworker/0:019:04:460
20739814912cyclictest25500-21munin-node20:25:060
20739814712cyclictest13810-21munin-node23:15:130
20739814213cyclictest25900-21nfs_client23:55:000
20739813812cyclictest2792-21runrttasks19:38:400
20739813614cyclictest2792-21runrttasks00:22:550
20739813512cyclictest8937-21nfs_client23:00:010
20739813512cyclictest2792-21runrttasks22:57:590
20739813413cyclictest25113-21runrttasks23:53:030
20739813412cyclictest2792-21runrttasks00:16:140
20739813412cyclictest23046-21aten2.4_r3power20:15:070
20739813312cyclictest5246-21latency_hist00:34:320
20739813213cyclictest32002-21unixbench_singl22:29:560
20739813212cyclictest21264-21aten2.4_r3power21:54:580
20739813114cyclictest2555-21df_inode22:39:540
20739813113cyclictest30838-21timerandwakeup22:25:120
20739813112cyclictest27516-21nfs_client22:15:020
20739813112cyclictest17759-21munin-node21:45:150
20739813112cyclictest15054-21open_files23:19:560
20739813014cyclictest13010-21runrttasks19:44:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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