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2026-09-24 - 01:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Wed Sep 23, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5993274924sleep5986-21unixbench_singl07:01:520
639999267201cyclictest7636-21df_inode09:31:450
639999257228cyclictest15726-21ssh10:07:100
639999257224cyclictest7837-21munin-node0
639999254225cyclictest23260-21chrt10:40:550
639999251223cyclictest15252-21memory12:27:570
639999251184cyclictest31310-21latency_hist11:16:450
639999250226cyclictest3202-21tune2fs09:12:140
639999250225cyclictest7895-21irqstats09:32:360
639999250219cyclictest24906-21ls08:26:140
639999250218cyclictest10828-21ssh09:46:050
639999249226cyclictest1481-21diskmemload11:18:150
639999249222cyclictest9790-21latency_hist09:41:220
639999249188cyclictest20092-21munin-node0
639999248220cyclictest5134-21munin-node0
639999248186cyclictest15682-21latency_hist07:46:130
639999247218cyclictest1481-21diskmemload12:21:290
639999247218cyclictest1078-21runrttasks09:02:510
639999247217cyclictest4588-21sh11:41:250
639999246222cyclictest9842-21sh12:03:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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