You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-22 - 08:03
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rack4slot2.osadl.org (updated Sat Nov 22, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73504930,0irq/45-4a10000013843-21kworker/0:419:03:250
212809913246,0cyclictest19564-21/usr/sbin/munin22:09:150
212809912442,0cyclictest31039-21df_abs22:43:440
212809912241,0cyclictest29109-21latency_hist00:13:210
212809912241,0cyclictest0-21swapper23:44:300
212809912231,0cyclictest5996-21ntp_states23:05:090
212809912231,0cyclictest3480-21df19:48:450
212809912135,0cyclictest762-21/usr/sbin/munin21:14:150
212809912132,0cyclictest17596-21runrttasks20:29:050
212809912040,0cyclictest0-21swapper22:59:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional