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2025-11-20 - 11:22
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #7, slot #2

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Thu Nov 20, 2025 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
415663999137121,5cyclictest53356-21kworker/u4:8+events_unbound23:01:231
415663999132125,5cyclictest4172471-21kworker/u4:12+events_unbound21:16:071
415663999131115,7cyclictest6820-21kworker/u4:11+events_unbound21:51:131
415663999121114,5cyclictest88073-21kworker/u4:3+events_unbound23:21:271
415663999118110,6cyclictest41544-21kworker/u4:0+events_unbound22:36:221
415663999118109,6cyclictest4178908-21kworker/u4:8+events_unbound21:31:101
415663999118109,6cyclictest4178908-21kworker/u4:8+events_unbound21:31:091
415663999115107,6cyclictest4169874-21kworker/u4:15+events_unbound21:01:041
41566399911394,8cyclictest4178907-21kworker/u4:6+events_unbound21:21:091
415663999109102,5cyclictest138927-21kworker/u4:7+events_unbound00:33:521
41566399910698,5cyclictest76791-21kworker/u4:5+events_unbound23:11:251
41566379910497,5cyclictest18558-21kworker/u4:9+events_unbound22:21:200
41566379910497,5cyclictest18558-21kworker/u4:9+events_unbound22:21:200
41566379910395,5cyclictest0-21swapper/023:40:240
41566399910093,5cyclictest4162147-21kworker/u4:13+events_unbound21:26:081
41566379910091,6cyclictest112407-21kworker/u4:6+events_unbound23:58:370
4156639999890,6cyclictest112407-21kworker/u4:6+events_unbound00:13:281
4156637999889,6cyclictest4160834-21kworker/u4:12+events_unbound20:05:590
4156639999789,6cyclictest4169874-21kworker/u4:15+events_unbound20:56:061
4156639999789,6cyclictest4169874-21kworker/u4:15+events_unbound20:56:051
4156637999789,6cyclictest4173752-21kworker/u4:14+events_unbound21:06:060
4156637999643,5cyclictest0-21swapper/023:35:240
4156639999587,6cyclictest60658-21kworker/u4:9+events_unbound22:51:281
4156639999587,6cyclictest60658-21kworker/u4:9+events_unbound22:51:271
4156637999468,13cyclictest0-21swapper/023:20:080
4156637998982,5cyclictest80712-21kworker/u4:15+events_unbound23:16:310
4156637998980,6cyclictest4157202-21kworker/u4:5+events_unbound19:45:560
4156639998880,6cyclictest4141340-21kworker/u4:4+events_unbound19:25:551
4156637998880,6cyclictest128659-21kworker/u4:8+events_unbound00:33:270
4156639998779,6cyclictest132284-21kworker/u4:3+events_unbound00:18:491
4156637998678,6cyclictest72750-21kworker/u4:7+events_unbound23:06:300
4156639998577,6cyclictest4157203-21kworker/u4:7+events_unbound19:30:561
4156639998274,6cyclictest4157588-21kworker/u4:8+events_unbound19:40:571
4156639998274,6cyclictest41548-21kworker/u4:7+events_unbound22:31:211
4156637998273,7cyclictest4162147-21kworker/u4:13+events_unbound20:51:030
4156637998173,6cyclictest53356-21kworker/u4:8+events_unbound23:01:280
4156639998073,5cyclictest88640-21kworker/u4:6+events_unbound23:26:271
4156637998071,7cyclictest4169874-21kworker/u4:15+events_unbound20:41:040
4156639997971,6cyclictest4141342-21kworker/u4:6+events_unbound19:20:511
4156637997964,11cyclictest53-21kswapd021:20:120
4156639997871,5cyclictest41548-21kworker/u4:7+events_unbound22:46:221
4156639997870,6cyclictest4157588-21kworker/u4:8+events_unbound20:11:001
4156637997869,6cyclictest4157396-21kworker/u4:3+events_unbound19:55:570
4156637997769,6cyclictest4147814-21kworker/u4:19+events_unbound19:10:530
4156637997756,8cyclictest4141340-21kworker/u4:4+events_unbound19:25:510
4156639997669,5cyclictest4168588-21kworker/u4:12+events_unbound20:31:021
4156639997566,7cyclictest4152898-21kworker/u4:0+events_unbound20:26:001
4156639997566,6cyclictest4172471-21kworker/u4:12+events_unbound20:46:031
4156637997568,5cyclictest4173752-21kworker/u4:14+events_unbound21:00:010
4156637997568,5cyclictest4173752-21kworker/u4:14+events_unbound21:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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