You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-29 - 00:53
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 rackaslot8.osadl.org (updated Sat Jun 28, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127512320251,22sleep10-21swapper/107:09:021
126192272237,21sleep30-21swapper/307:07:193
125482263232,20sleep00-21swapper/007:06:220
127322261227,22sleep20-21swapper/207:08:472
22032610,0sleep20-21swapper/209:35:452
100112570,0sleep10-21swapper/109:15:221
311262550,0sleep10-21swapper/109:33:351
65062530,0sleep10-21swapper/111:54:151
250802240,0sleep10-21swapper/109:28:351
228912210,0sleep00-21swapper/012:24:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional