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2026-02-24 - 02:26
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #4

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.
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 100 highest latencies:
System rack7slot4s.osadl.org (updated Tue Feb 24, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2063199673,47cyclictest7245-21ssh22:40:160
2063199673,47cyclictest7245-21ssh22:40:150
2064099532,45cyclictest8676-21ssh23:35:101
2064099522,40cyclictest25367-21ssh21:20:141
2064099522,40cyclictest25367-21ssh21:20:131
2065299501,45cyclictest0-21swapper/220:20:132
2064099493,39cyclictest23509-21ssh21:55:131
2064099492,37cyclictest16393-21ssh21:15:131
2063199494,40cyclictest14162-21ssh23:20:140
2063199494,40cyclictest14162-21ssh23:20:140
2065299483,29cyclictest6811-21ssh00:10:142
2065299483,29cyclictest14514-21ssh21:50:122
2065299481,9cyclictest0-21swapper/222:40:152
2065299481,9cyclictest0-21swapper/222:40:142
2066099474,25cyclictest28366irq/58-eth000:25:133
20631994629,7cyclictest17992-21ssh22:10:130
2064099451,35cyclictest5156-21ssh23:15:131
2063199444,27cyclictest6988-21diskmemload00:05:120
2065299433,5cyclictest0-21swapper/220:50:122
2065299431,5cyclictest0-21swapper/220:05:132
2066099422,23cyclictest28366irq/58-eth000:05:133
20660994014,16cyclictest28366irq/58-eth020:15:133
2065299407,5cyclictest28448-21kthreadcore21:20:232
2065299407,5cyclictest28448-21kthreadcore21:20:232
2065299402,28cyclictest0-21swapper/222:50:142
2066099399,19cyclictest0-21swapper/322:25:143
2065299391,14cyclictest28785-21kthreadcore23:45:202
2065299390,11cyclictest924-21snmpd21:35:152
2065299382,8cyclictest28603-21fschecks_time20:25:162
2063199382,28cyclictest12645-21kthreadcore23:00:210
20660993720,11cyclictest28366irq/58-eth021:05:123
2065299374,4cyclictest12565-21ssh22:25:122
2065299373,10cyclictest5789-21fschecks_count20:35:172
2065299371,13cyclictest29556-21kthreadcore23:10:192
2064099371,27cyclictest26805-21ssh23:45:121
2063199374,25cyclictest3657-21ssh22:20:110
2063199374,25cyclictest3657-21ssh22:20:110
20631993713,20cyclictest12-21ksoftirqd/023:05:120
2066099363,28cyclictest28366irq/58-eth023:25:153
2066099363,22cyclictest28366irq/58-eth000:35:113
20660993619,11cyclictest28366irq/58-eth019:15:143
20660993610,13cyclictest28366irq/58-eth022:35:143
2065299361,12cyclictest3059-21tr21:05:192
2065299361,10cyclictest14702-21sed23:00:302
2066099355,17cyclictest28366irq/58-eth022:10:143
20660993515,16cyclictest28366irq/58-eth020:40:123
2065299353,9cyclictest22883-21/usr/sbin/munin00:35:242
2065299351,9cyclictest21254-21/usr/sbin/munin00:00:132
2065299351,9cyclictest19770-21kthreadcore21:15:232
2065299351,9cyclictest17571-21wc20:10:282
2065299351,8cyclictest13059-21ssh23:55:202
2065299351,13cyclictest2775-21latency_hist19:25:022
2065299351,12cyclictest11578-21kthreadcore00:30:212
2065299351,11cyclictest6558-21cat00:10:022
2065299351,10cyclictest7395-21sh22:20:262
2065299351,10cyclictest7395-21sh22:20:252
2066099342,21cyclictest28366irq/58-eth022:05:133
20660993419,10cyclictest28366irq/58-eth022:40:163
20660993419,10cyclictest28366irq/58-eth022:40:163
2065299342,9cyclictest8364-21kernelversion19:30:192
2065299341,9cyclictest9972-21kthreadcore21:10:222
2065299341,9cyclictest6156-21kthreadcore23:50:222
2065299341,9cyclictest28575-21ssh00:20:272
2065299341,9cyclictest18088-21cpuspeed22:10:152
2065299341,9cyclictest16385-21kthreadcore20:45:202
2065299341,9cyclictest15753-21/usr/sbin/munin00:15:322
2065299341,14cyclictest8877-21kthreadcore21:45:262
2065299341,11cyclictest7469-21latency_hist19:30:012
2065299341,11cyclictest31823-21/usr/sbin/munin19:55:162
20640993416,13cyclictest201rcuc/122:35:121
2066099333,18cyclictest28366irq/58-eth022:20:123
2066099333,18cyclictest28366irq/58-eth022:20:113
2066099332,24cyclictest28366irq/58-eth021:30:143
2066099332,20cyclictest28366irq/58-eth021:40:133
2066099331,16cyclictest28366irq/58-eth019:10:123
2065299336,4cyclictest21240-21cat23:05:202
2065299331,9cyclictest3616-21switchtime23:30:282
2065299331,9cyclictest23489-21sort23:25:182
2065299331,9cyclictest22689-21usage_Anybus20:15:302
2065299331,9cyclictest22319-21fschecks_count19:45:172
2065299331,9cyclictest0-21swapper/222:45:192
2065299331,8cyclictest26026-21kthreadcore21:55:212
2065299331,6cyclictest10262-21sed23:00:012
2065299331,5cyclictest17405-21cpuspeed19:40:152
2065299331,15cyclictest516166ssh23:15:142
2065299331,14cyclictest30342-21kthreadcore21:40:202
20652993310,2cyclictest31048-21ssh22:15:302
2065299330,10cyclictest26478-21cat19:15:192
2063199336,18cyclictest131rcu_preempt21:45:160
2063199331,24cyclictest7396-21ssh21:10:140
2063199330,26cyclictest16248-21sh22:45:150
2066099327,17cyclictest28366irq/58-eth021:00:123
2065299322,17cyclictest1261-21ssh00:25:142
2065299321,9cyclictest0-21swapper/219:50:182
2065299321,9cyclictest0-21swapper/219:50:172
2065299321,8cyclictest2435-21kthreadcore20:30:202
2065299321,3cyclictest0-21swapper/223:42:292
2065299320,9cyclictest15938-21ntp_kernel_pll_19:35:242
20640993221,5cyclictest0-21swapper/121:00:141
20640993213,4cyclictest8730-21latency_hist22:05:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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