You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-14 - 03:27
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: 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 20 highest latencies:
System rackeslot4.osadl.org (updated Sun Dec 14, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2274471993018,11cyclictest2605616-21taskset00:35:140
227447199301,20cyclictest2320565-21apt-get19:55:120
227448199290,1cyclictest2427012-21idleruntime-cro21:40:003
2274471992918,9cyclictest2558734-21ntpq23:45:210
227447199291,2cyclictest2600488-21apt-get00:30:140
227447199291,2cyclictest2330699-21apt-get20:05:130
227447199291,27cyclictest0-21swapper/019:35:140
227448199280,2cyclictest0-21swapper/319:50:133
227447199281,2cyclictest2335750-21apt-get20:10:120
227447199281,20cyclictest2350940-21apt-get20:25:110
227448199270,19cyclictest2285262-21cut19:20:163
227448199260,1cyclictest0-21swapper/320:00:123
227447599261,21cyclictest2478407-21apt-get22:30:131
2274471992616,9cyclictest0-21swapper/020:40:110
2274471992613,2cyclictest0-21swapper/020:20:110
2274481992515,9cyclictest2467951-21cron22:20:003
227448199251,19cyclictest0-21swapper/319:45:143
227448199250,22cyclictest0-21swapper/300:35:143
227447799252,21cyclictest2473329-21apt-get22:25:122
227447599251,2cyclictest2595409-21apt-get00:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional