You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-16 - 17:51
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 10 highest latencies:
System rackcslot0.osadl.org (updated Fri May 16, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
987121550,0sleep00-21swapper/000:18:150
147662132103,25sleep80-21swapper/819:15:2514
1194521240,5sleep125-21ksoftirqd/119:13:081
14221212093,22sleep30-21swapper/319:14:159
1254521200,6sleep11546299cyclictest00:40:441
147912119103,11sleep140-21swapper/1419:15:476
147812119103,11sleep40-21swapper/419:15:3710
147902117103,10sleep130-21swapper/1319:15:465
14733211592,17sleep100-21swapper/1019:14:552
14823211392,16sleep90-21swapper/919:16:1415
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional

 
OSZAR »