You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-14 - 12:03
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 rack5slot0.osadl.org (updated Fri Nov 14, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1082321650,1sleep31502199cyclictest23:05:473
124321550,2sleep01501699cyclictest23:26:120
360221530,5sleep11501999cyclictest23:14:221
2350321460,1sleep00-21swapper/021:38:500
716721340,1sleep37156-21sshd00:37:013
967321310,4sleep11501999cyclictest22:25:521
2542721280,0sleep225428-21bash00:39:122
1036121220,2sleep110359-21bash23:30:091
1496921190,1sleep31502199cyclictest23:36:373
95621160,1sleep11847-21nfsd21:30:371
532721090,5sleep10-21swapper/123:29:411
1198221040,1sleep30-21swapper/300:01:063
2303821030,21sleep2135650irq/27-eth022:30:142
14615210135,54sleep30-21swapper/319:08:113
224372990,2sleep122431-21sshd23:00:431
224622970,2sleep10-21swapper/123:40:231
236892960,4sleep30-21swapper/323:10:113
53642910,1sleep00-21swapper/021:19:060
214792900,5sleep30-21swapper/321:50:393
133002870,1sleep10-21swapper/121:19:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional