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2026-05-04 - 20:11
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Mon May 04, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314252522730,2sleep03142526-21gcc11:36:110
312711322630,3chrt3127108-21ntpq10:40:480
313221322560,3chrt3132215-21latency_hist11:00:080
309742522500,4sleep03097428-21wc08:55:080
306801999247217,18cyclictest3074036-21kworker/u2:107:45:220
307438922370,3chrt3074392-21tr07:31:190
306801999222165,47cyclictest29-21kswapd007:41:020
308903822090,2sleep03089040-21wc08:25:070
306841822040,2sleep03068420-21missed_timers07:10:300
310374822000,2sleep03103746-21threads09:16:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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