You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-07 - 20:41
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 50 highest latencies:
System rack1slot1.osadl.org (updated Fri Nov 07, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85522231158,26sleep20-21swapper/207:07:272
86642217162,43sleep00-21swapper/007:08:530
85382198160,25sleep30-21swapper/307:07:153
85462197160,24sleep10-21swapper/107:07:231
47332730,0sleep10-21swapper/112:10:121
312942570,0sleep00-21swapper/009:00:180
215052210,0sleep021509-21latency_hist07:35:010
8853991816,1cyclictest9-21ksoftirqd/008:15:180
8853991715,1cyclictest9-21ksoftirqd/009:30:150
8853991615,1cyclictest9-21ksoftirqd/009:10:170
8853991614,1cyclictest9-21ksoftirqd/008:55:210
8853991515,0cyclictest9-21ksoftirqd/010:21:230
8853991515,0cyclictest9-21ksoftirqd/010:18:430
8853991515,0cyclictest9-21ksoftirqd/009:50:120
8853991414,0cyclictest9-21ksoftirqd/009:35:200
8853991413,1cyclictest9-21ksoftirqd/008:35:010
8853991413,1cyclictest9-21ksoftirqd/008:00:210
8853991412,1cyclictest9-21ksoftirqd/012:35:010
8853991412,1cyclictest9-21ksoftirqd/009:05:130
8853991412,1cyclictest9-21ksoftirqd/007:55:210
8853991412,1cyclictest9-21ksoftirqd/007:10:150
885399136,6cyclictest9-21ksoftirqd/009:21:370
8853991313,0cyclictest9-21ksoftirqd/012:00:440
8853991313,0cyclictest9-21ksoftirqd/011:55:110
8853991313,0cyclictest9-21ksoftirqd/011:25:200
8853991313,0cyclictest9-21ksoftirqd/009:15:180
8853991312,1cyclictest9-21ksoftirqd/012:35:150
8853991312,1cyclictest9-21ksoftirqd/012:21:130
8853991312,1cyclictest9-21ksoftirqd/011:15:130
8853991312,1cyclictest9-21ksoftirqd/010:30:240
8853991312,1cyclictest9-21ksoftirqd/007:50:210
8853991311,1cyclictest9-21ksoftirqd/012:29:590
8853991311,1cyclictest9-21ksoftirqd/009:45:100
275182130,0sleep30-21swapper/310:25:503
885399125,6cyclictest9-21ksoftirqd/008:40:220
885399125,1cyclictest9-21ksoftirqd/010:46:170
8853991212,0cyclictest9-21ksoftirqd/012:11:430
8853991212,0cyclictest9-21ksoftirqd/012:08:590
8853991212,0cyclictest9-21ksoftirqd/010:05:530
8853991211,1cyclictest9-21ksoftirqd/012:15:140
8853991211,1cyclictest9-21ksoftirqd/011:30:020
8853991211,1cyclictest9-21ksoftirqd/011:05:110
8853991211,1cyclictest9-21ksoftirqd/010:55:190
8853991211,1cyclictest9-21ksoftirqd/010:50:190
8853991211,1cyclictest9-21ksoftirqd/010:40:120
8853991211,1cyclictest9-21ksoftirqd/009:42:050
8853991211,1cyclictest9-21ksoftirqd/007:35:010
8853991211,1cyclictest9-21ksoftirqd/007:35:010
8853991210,1cyclictest9-21ksoftirqd/011:50:170
8853991210,1cyclictest9-21ksoftirqd/011:40:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional