You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-09-11 - 18:29
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
Characteristics of the 20 highest latencies:
System rackdslot3.osadl.org (updated Wed Sep 11, 2024 12:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1661721620,7sleep1934699cyclictest10:50:091
1360721320,3sleep00-21swapper/010:40:290
825591960,4ptp4l401ktimersoftd/307:07:033
825591770,1ptp4l401ktimersoftd/307:44:423
79672675,45sleep10-21swapper/107:05:251
825591610,1ptp4l401ktimersoftd/309:02:503
9348995743,6cyclictest41-21ksoftirqd/307:45:123
194282570,2sleep00-21swapper/007:30:140
135162560,5sleep125-21ksoftirqd/108:25:201
206172520,2sleep00-21swapper/012:05:250
9348995145,4cyclictest41-21ksoftirqd/309:35:003
9348995145,3cyclictest41-21ksoftirqd/308:00:003
9348995141,5cyclictest41-21ksoftirqd/309:45:123
9348995141,5cyclictest41-21ksoftirqd/309:45:123
9348995140,6cyclictest41-21ksoftirqd/310:45:123
9348995140,6cyclictest41-21ksoftirqd/310:25:113
9347995116,5cyclictest33-21ksoftirqd/211:20:002
57698510,12rtkit-daemon0-21swapper/012:30:100
825591500,1ptp4l401ktimersoftd/312:20:123
9348994944,3cyclictest41-21ksoftirqd/308:20:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional