You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-19 - 13:43
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 50 highest latencies:
System rack0slot7.osadl.org (updated Wed Nov 19, 2025 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94288599424417,3cyclictest0-21swapper/421:55:0610
94288599402402,0cyclictest0-21swapper/419:23:5110
94288599402402,0cyclictest0-21swapper/400:16:3110
94288599402401,1cyclictest0-21swapper/421:40:5410
94288599402401,1cyclictest0-21swapper/400:23:3910
94288599401401,0cyclictest0-21swapper/422:00:1810
94288599401401,0cyclictest0-21swapper/419:30:3210
94288399361361,0cyclictest0-21swapper/221:43:018
94289299353342,7cyclictest0-21swapper/1121:55:063
94290399351345,2cyclictest0-21swapper/1421:55:066
94289199348342,3cyclictest0-21swapper/1021:55:062
94289199334330,3cyclictest1463736-21kworker/u64:3+events_unbound21:43:012
94289099334330,1cyclictest0-21swapper/921:55:0615
94289199327319,6cyclictest323654-21Xorg22:11:082
94288399320313,4cyclictest323654-21Xorg21:35:248
94288999317313,1cyclictest0-21swapper/821:55:0614
942891993030,298cyclictest0-21swapper/1019:13:052
94288899302297,2cyclictest1983828-21DOM09:53:5813
94289299298284,12cyclictest390842-21Renderer00:35:433
94288699296289,4cyclictest390842-21Renderer19:24:4511
942886992950,293cyclictest0-21swapper/519:26:2011
94289499294291,2cyclictest0-21swapper/1221:37:344
94289899293286,3cyclictest510805-21TaskCon~ller5
94289099291283,7cyclictest390842-21Renderer00:25:3015
94288799291285,5cyclictest390842-21Renderer22:16:2712
94288799291285,5cyclictest390842-21Renderer22:16:2612
94289299289282,6cyclictest390842-21Renderer22:23:133
94288199289280,9cyclictest323654-21Xorg22:15:090
94288199289280,9cyclictest323654-21Xorg22:15:080
942898992880,1cyclictest0-21swapper/1300:21:565
942892992880,286cyclictest2103155-21StreamT~3
94289199288282,5cyclictest323925-21gnome-shell00:29:582
94289199288282,2cyclictest0-21swapper/1021:35:242
94288999288282,5cyclictest390842-21Renderer21:29:5514
94288899288282,5cyclictest323654-21Xorg00:28:1713
94288699288282,5cyclictest390842-21Renderer00:12:3211
94289899287282,4cyclictest323654-21Xorg19:17:315
94289499287282,4cyclictest390842-21Renderer21:28:554
94289499287282,4cyclictest323925-21gnome-shell00:22:584
94289299287282,4cyclictest390842-21Renderer21:44:283
94289299287279,5cyclictest323654-21Xorg21:39:143
94289199287282,4cyclictest390842-21Renderer19:18:122
94289099287282,4cyclictest323654-21Xorg23:22:0015
94288999287281,5cyclictest323654-21Xorg22:27:3014
94288999287281,5cyclictest323654-21Xorg22:27:3014
94288799287282,4cyclictest390842-21Renderer00:11:3412
942886992870,283cyclictest0-21swapper/519:17:1111
94288199287281,5cyclictest390842-21Renderer19:28:220
94288199287280,6cyclictest323654-21Xorg19:20:090
942907992860,285cyclictest0-21swapper/1500:11:247
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional