You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 05:32
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 rackbslot6.osadl.org (updated Thu Dec 04, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911050,4ptp4l401ktimersoftd/320:19:593
279592620,7sleep2311rcuc/201:34:142
24554996151,5cyclictest41-21ksoftirqd/320:34:063
24554996149,6cyclictest41-21ksoftirqd/301:44:133
24541996017,10cyclictest25-21ksoftirqd/100:44:141
24541995926,4cyclictest25-21ksoftirqd/120:32:031
24541995926,4cyclictest25-21ksoftirqd/120:32:031
24554995824,9cyclictest41-21ksoftirqd/300:54:323
177391580,1ptp4l401ktimersoftd/323:11:423
177391580,1ptp4l401ktimersoftd/321:34:133
24541995748,4cyclictest25-21ksoftirqd/121:54:091
24541995728,4cyclictest25-21ksoftirqd/120:43:371
24554995645,5cyclictest41-21ksoftirqd/301:49:163
24554995623,3cyclictest41-21ksoftirqd/300:44:213
177391560,1ptp4l401ktimersoftd/322:14:213
24554995544,6cyclictest41-21ksoftirqd/321:09:083
24554995526,7cyclictest41-21ksoftirqd/320:54:103
24541995546,4cyclictest25-21ksoftirqd/123:19:121
24554995429,6cyclictest41-21ksoftirqd/321:04:113
24541995219,8cyclictest25-21ksoftirqd/100:59:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional