You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-05 - 11:35
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Fri Dec 05, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215803522630,3chrt2158018-21ntpq22:11:500
217308522590,2sleep02173086-21gcc22:56:030
216996922520,2sleep02169971-21grep22:46:520
214983122450,2sleep02149832-21/usr/sbin/munin21:47:080
215211422410,4chrt2152109-21munin-run21:55:020
216136122400,3chrt2161346-21ssh22:21:300
210929922390,2sleep02109302-21ntp_kernel_err19:30:310
220768622380,4chrt2207687-21ssh00:39:440
213009722200,3chrt2130095-21irqstats20:45:260
214703422150,2sleep02147033-21systemd-run21:40:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional