You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-03 - 01:47
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackaslot8.osadl.org (updated Fri May 02, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326592321292,18sleep20-21swapper/207:06:002
3222280247,22sleep10-21swapper/107:07:401
327232277244,21sleep30-21swapper/307:06:503
310072261204,18sleep00-21swapper/007:05:100
268432620,0sleep00-21swapper/012:27:330
185072620,0sleep10-21swapper/111:42:461
316142580,0sleep20-21swapper/211:03:542
266592580,0sleep10-21swapper/109:40:171
85682570,1sleep3331rcuc/310:19:203
302862570,0sleep00-21swapper/011:02:210
137682570,0sleep30-21swapper/309:56:083
79062550,0sleep30-21swapper/308:35:163
43222540,0sleep10-21swapper/112:14:341
85952230,0sleep10-21swapper/112:16:261
85952230,0sleep10-21swapper/112:16:261
66502230,0sleep20-21swapper/211:55:452
231322180,0sleep10-21swapper/112:05:321
88282170,0sleep10-21swapper/108:35:211
110742170,0sleep20-21swapper/210:46:492
62099153,3cyclictest15174-21munin-run10:25:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional