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2025-11-29 - 15:44
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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 10 highest latencies:
System rack5slot7.osadl.org (updated Sat Nov 29, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3994224492203,96sleep00-21swapper05:38:190
42839916815,108cyclictest8680-21apt-get08:25:520
42839916716,122cyclictest3876-21apt-get09:50:550
42839916419,102cyclictest15245-21apt-get10:26:020
42839916417,106cyclictest2280-21apt-get09:45:560
42839916320,114cyclictest23412-21apt-get09:10:560
42839916319,103cyclictest24427-21users10:52:240
42839916315,102cyclictest10386-21apt-get10:10:570
42839916218,118cyclictest31413-21apt-get07:55:540
42839916213,124cyclictest12542-21ntp_kernel_pll_08:36:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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