OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #5

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
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

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, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the 50 highest latencies:

System rackfslot5s.osadl.org (updated Fri Mar 06, 2026 12:43:35)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
19909	99	54	39,10	cyclictest	0	-21	swapper/1		1
19909	99	53	37,11	cyclictest	0	-21	swapper/1		1
19909	99	51	36,10	cyclictest	0	-21	swapper/1		1
19909	99	51	35,11	cyclictest	0	-21	swapper/1		1
19909	99	50	37,9	cyclictest	0	-21	swapper/1		1
19909	99	50	36,9	cyclictest	0	-21	swapper/1		1
19909	99	50	35,10	cyclictest	0	-21	swapper/1		1
19909	99	49	36,8	cyclictest	0	-21	swapper/1		1
19909	99	49	36,7	cyclictest	0	-21	swapper/1		1
19909	99	49	34,10	cyclictest	0	-21	swapper/1		1
19909	99	49	34,10	cyclictest	0	-21	swapper/1		1
19909	99	48	34,9	cyclictest	0	-21	swapper/1		1
19909	99	48	34,9	cyclictest	0	-21	swapper/1		1
19909	99	48	31,11	cyclictest	0	-21	swapper/1		1
19909	99	47	35,7	cyclictest	0	-21	swapper/1		1
19909	99	47	33,9	cyclictest	0	-21	swapper/1		1
19909	99	47	31,10	cyclictest	0	-21	swapper/1		1
19909	99	46	36,5	cyclictest	0	-21	swapper/1		1
19909	99	46	33,8	cyclictest	0	-21	swapper/1		1
19909	99	46	33,7	cyclictest	0	-21	swapper/1		1
19909	99	46	31,9	cyclictest	0	-21	swapper/1		1
19909	99	46	31,9	cyclictest	0	-21	swapper/1		1
19912	99	45	35,5	cyclictest	0	-21	swapper/1		1
19909	99	45	36,5	cyclictest	0	-21	swapper/1		1
19909	99	45	35,5	cyclictest	0	-21	swapper/1		1
19909	99	45	35,5	cyclictest	0	-21	swapper/1		1
19909	99	45	35,5	cyclictest	0	-21	swapper/1		1
19909	99	45	32,7	cyclictest	0	-21	swapper/1		1
19909	99	45	31,9	cyclictest	0	-21	swapper/1		1
19906	99	45	36,5	cyclictest	0	-21	swapper/1		1
19906	99	45	35,5	cyclictest	0	-21	swapper/1		1
19906	99	45	35,5	cyclictest	0	-21	swapper/1		1
19906	99	45	35,5	cyclictest	0	-21	swapper/1		1
19906	99	45	35,5	cyclictest	0	-21	swapper/1		1
19909	99	44	34,5	cyclictest	0	-21	swapper/1		1
19909	99	44	29,9	cyclictest	0	-21	swapper/1		1
19906	99	44	34,5	cyclictest	0	-21	swapper/1		1
19906	99	44	34,5	cyclictest	0	-21	swapper/1		1
19912	99	43	34,5	cyclictest	0	-21	swapper/1		1
19909	99	43	33,5	cyclictest	0	-21	swapper/1		1
19909	99	43	30,8	cyclictest	0	-21	swapper/1		1
19909	99	43	29,8	cyclictest	0	-21	swapper/1		1
19909	99	43	29,8	cyclictest	0	-21	swapper/1		1
19909	99	43	28,9	cyclictest	0	-21	swapper/1		1
19906	99	43	34,4	cyclictest	0	-21	swapper/1		1
19906	99	43	33,5	cyclictest	0	-21	swapper/1		1
19906	99	43	32,5	cyclictest	0	-21	swapper/1		1
19909	99	42	33,5	cyclictest	0	-21	swapper/1		1
19909	99	42	32,5	cyclictest	0	-21	swapper/1		1
19909	99	42	32,5	cyclictest	0	-21	swapper/1		1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


Access: public		Short link to this page
This page was last modified on 2025-04-16 - 17:23