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2026-03-22 - 14:39
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Sun Mar 22, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
392526550,5sleep03926-21latencyplot07:14:330
40229911031,70cyclictest4093-21sh10:34:330
1769210815,28sleep01781-21switchtime12:05:260
4257210414,35sleep04272-21munin-node07:14:540
40229910425,69cyclictest31898-21cut08:39:560
40229910329,64cyclictest30184-21aten_r4power_en11:54:460
40229910026,65cyclictest11714-21seq10:55:340
4022999715,73cyclictest2678-21munin-node12:09:450
943629614,16sleep09473-21sort09:10:080
2269529615,16sleep022693-21ntp_states11:30:190
402299958,76cyclictest30195-21munin-node08:34:510
4022999525,61cyclictest3568-21runrttasks08:17:580
4022999525,61cyclictest18719-21latency_hist11:19:340
4022999523,63cyclictest3568-21runrttasks07:35:170
4022999518,67cyclictest177452sleep009:35:170
4022999517,68cyclictest24028-21munin-node11:34:580
4022999514,72cyclictest3568-21runrttasks11:03:110
4022999514,71cyclictest4400-21aten_r4power_vo12:14:470
4022999514,71cyclictest13021-21timerandwakeup07:40:250
4022999513,73cyclictest4858-21open_files10:35:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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