You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-18 - 05:57
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 Thu Sep 18, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
343577622960,2sleep03435778-21latency23:10:390
339668022480,3chrt3396678-21ssh21:15:020
345501422470,2sleep03455015-21xargs00:06:550
341831822400,3chrt3418310-21munin-run22:20:080
339062122360,3chrt3390617-21ntp_states20:51:030
345305322190,3chrt3453054-21uname00:01:030
343747122180,3sleep03437473-21latency23:15:370
342101022080,2sleep03421011-21cat22:27:010
343265222050,2sleep03432653-21/usr/sbin/munin23:01:240
337049822030,2sleep03370501-21grep19:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional