You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 16:05
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 rackcslot0.osadl.org (updated Wed Sep 17, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2727121730,6sleep22814999cyclictest22:20:238
27323212792,30sleep40-21swapper/419:07:0510
27571212289,28sleep30-21swapper/319:10:179
27386211893,20sleep100-21swapper/1019:08:002
27567211492,16sleep10-21swapper/119:10:151
27566211092,14sleep00-21swapper/019:10:140
525321080,0sleep100-21swapper/1023:24:432
27685210690,9sleep110-21swapper/1119:11:133
2267921060,6sleep102815899cyclictest23:26:512
2755221050,4sleep72815499cyclictest00:28:5113
2084021030,2sleep100-21swapper/1023:18:332
1575221030,2sleep215753-2110-uname23:17:538
1665321010,0sleep90-21swapper/923:38:0415
91342990,0sleep30-21swapper/323:41:109
291852980,1sleep150-21swapper/1521:18:177
291852980,1sleep150-21swapper/1521:18:177
273032980,0sleep40-21swapper/422:24:1010
196142970,0sleep120-21swapper/1221:21:104
196142970,0sleep120-21swapper/1221:21:104
59582960,7sleep125-21ksoftirqd/121:54:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional