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2025-11-28 - 03:36
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 Fri Nov 28, 2025 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
200469199109102,5cyclictest191rcuc/022:02:590
200469199109102,5cyclictest191rcuc/022:02:590
2004693999689,5cyclictest2075128-21kworker/u4:12+events_unbound22:03:001
2004693999689,5cyclictest2075128-21kworker/u4:12+events_unbound22:02:591
2004693997973,4cyclictest2027917-21kworker/u4:18+events_unbound21:48:031
2004691997869,7cyclictest2143075-21kworker/u4:8+events_unbound23:48:200
2004691997565,7cyclictest2066839-21kworker/u4:0+events_unbound21:52:580
2004693997466,6cyclictest2107711-21kworker/u4:5+events_unbound22:48:141
2004691997263,7cyclictest2054451-21kworker/u4:2+events_unbound21:42:560
2004691997263,7cyclictest2054451-21kworker/u4:2+events_unbound21:42:560
2004693996961,6cyclictest2082861-21kworker/u4:7+events_unbound22:09:591
2004691996960,6cyclictest2123370-21kworker/u4:13+events_unbound22:58:100
2004691996861,5cyclictest2192428-21kworker/u4:2+events_unbound00:33:340
2004691996759,5cyclictest2082861-21kworker/u4:7+events_unbound22:08:090
2004691996358,3cyclictest2163134-21kworker/u4:6+events_unbound00:08:290
2004691996354,7cyclictest2107713-21kworker/u4:6+events_unbound22:38:070
2004691996354,7cyclictest2107713-21kworker/u4:6+events_unbound22:38:060
2004691996230,17cyclictest0-21swapper/022:20:190
2004691996053,5cyclictest2147136-21kworker/u4:11+events_unbound23:28:140
2004693995947,10cyclictest53-21kswapd023:50:211
2004691995949,8cyclictest2054985-21systemd21:33:020
2004691995949,7cyclictest2135474-21kworker/u4:9+events_unbound23:13:130
2004691995934,9cyclictest53-21kswapd023:20:110
2004693995853,3cyclictest2143075-21kworker/u4:8+events_unbound23:43:251
2004691995853,3cyclictest2082859-21kworker/u4:2+events_unbound23:08:160
2004691995853,3cyclictest2082859-21kworker/u4:2+events_unbound23:08:150
2004693995748,7cyclictest2174107-21kworker/u4:10+events_unbound00:28:351
2004693995649,5cyclictest2140090-21sh23:18:171
2004693995647,7cyclictest379-21dbus-daemon23:03:101
2004693995647,6cyclictest2141354-21dpkg23:20:121
2004691995647,7cyclictest2030521-21systemd20:47:570
2004693995546,7cyclictest2163134-21kworker/u4:6+events_unbound00:18:291
2004693995444,8cyclictest314-21systemd-journal00:23:281
2004693995437,13cyclictest0-21swapper/100:00:141
2004693995433,14cyclictest2045036-21ntpq21:20:361
2004691995449,3cyclictest2075128-21kworker/u4:12+events_unbound22:33:040
2004691995445,7cyclictest2192428-21kworker/u4:2+events_unbound00:38:310
2004691995439,8cyclictest2060171-21kworker/u4:321:40:000
2004691995439,12cyclictest0-21swapper/000:15:160
2004693995343,6cyclictest0-21swapper/121:10:141
2004691995343,8cyclictest2064547-21acpi21:45:120
2004691995332,18cyclictest0-21swapper/019:15:160
2004691995329,8cyclictest2098399-21unixbench-2d22:25:400
2004693995244,6cyclictest2013677-21systemd19:42:531
2004693995231,15cyclictest2118101-21ntpq22:50:301
2004693995219,10cyclictest2059838-21ssh21:39:261
2004691995245,5cyclictest2172771-21/usr/sbin/munin00:00:200
2004691995244,6cyclictest2125787-21gltestperf23:00:240
2004691995243,6cyclictest1982518-21kworker/u4:1+events_unbound19:37:540
2004691995242,8cyclictest2021399-21systemd20:12:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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