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2026-02-22 - 12:02
[ 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 Sun Feb 22, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1950199712,6cyclictest131rcu_preempt20:10:120
1951099553,39cyclictest8964-21ssh23:35:141
19529995239,8cyclictest28366irq/58-eth021:35:143
1950199521,39cyclictest10107-21ssh21:30:140
1950199492,7cyclictest131rcu_preempt21:40:150
19501994812,28cyclictest12-21ksoftirqd/021:25:140
1950199471,36cyclictest21380-21ssh22:30:130
1950199464,5cyclictest131rcu_preempt21:05:110
1951099453,31cyclictest20007-21ssh00:35:141
1951099433,28cyclictest21678-21ssh00:00:131
1950199434,34cyclictest4794-21ssh21:45:130
1950199425,28cyclictest26955-21kworker/u8:122:20:120
1951099402,26cyclictest7146-21ssh22:40:151
19501993920,15cyclictest12-21ksoftirqd/000:30:130
1951099389,8cyclictest131rcu_preempt21:25:151
1951099381,29cyclictest32305-21ssh23:30:111
1951099374,10cyclictest21-21ksoftirqd/121:10:141
1951099371,29cyclictest12324-21ssh22:25:141
1950199373,24cyclictest8591-21ssh22:05:130
1952199366,22cyclictest24322-21ssh21:20:132
1952999353,19cyclictest28366irq/58-eth021:30:123
1952999352,16cyclictest28366irq/58-eth021:20:133
1951099355,5cyclictest131rcu_preempt22:30:141
19501993518,11cyclictest32714-21tr22:35:220
19529993419,10cyclictest28366irq/58-eth023:30:123
19521993422,8cyclictest1795-21apt-get19:25:132
1952199338,15cyclictest0-21swapper/222:40:152
1951099332,23cyclictest28960-21ssh23:26:211
1950199334,6cyclictest131rcu_preempt22:55:120
1950199332,23cyclictest25915-21kthreadcore23:25:210
1952199310,28cyclictest0-21swapper/220:50:122
1951099312,22cyclictest26124-21ssh23:44:211
1952999302,17cyclictest28366irq/58-eth022:45:123
1952999302,17cyclictest28366irq/58-eth022:45:123
1952199308,6cyclictest27-21ksoftirqd/200:10:322
19521993012,4cyclictest30454-21apt-get22:35:142
1950199302,20cyclictest24054-21kthreadcore00:00:210
1952999293,21cyclictest28366irq/58-eth022:25:133
19529992911,9cyclictest28366irq/58-eth023:20:123
1952199297,5cyclictest27-21ksoftirqd/223:59:582
1952199297,17cyclictest0-21swapper/223:30:112
1952199295,15cyclictest22346irq/40-dwc2_hso21:00:132
1952199292,20cyclictest0-21swapper/221:50:142
1952199292,20cyclictest0-21swapper/219:20:142
1951099296,3cyclictest131rcu_preempt21:15:131
1951099293,19cyclictest27099-21ssh23:45:151
1951099292,20cyclictest22363-21tr23:05:211
1950199294,16cyclictest151rcuc/021:20:130
1950199293,16cyclictest5333-21ssh23:15:130
1950199292,20cyclictest1996-21ssh23:48:270
1950199292,20cyclictest10659-21ssh23:00:130
1952199284,10cyclictest0-21swapper/221:33:172
1952199282,20cyclictest0-21swapper/219:40:142
1952199282,18cyclictest16144-21ssh22:45:142
1952199282,18cyclictest16144-21ssh22:45:132
1952199281,18cyclictest18011-21ssh23:40:132
19521992811,12cyclictest1654-21apt-get22:55:142
19521992810,13cyclictest4781-21apt-get21:45:142
1951099282,18cyclictest1660-21sh22:55:131
1950199281,21cyclictest6143-21ssh21:10:130
1952199274,4cyclictest27-21ksoftirqd/222:26:142
1952199273,5cyclictest271ksoftirqd/219:10:282
1952199273,20cyclictest0-21swapper/200:33:332
1952199273,19cyclictest0-21swapper/220:20:112
1952199272,17cyclictest8833-21ssh21:28:582
1951099275,16cyclictest14417-21ssh23:20:131
1951099274,13cyclictest5327-21ssh23:15:121
1951099272,19cyclictest32713-21cut22:35:221
1950199271,20cyclictest30807-21ssh00:05:140
1950199271,20cyclictest30807-21ssh00:05:140
1950199271,17cyclictest13708-21kworker/u8:021:35:140
1952999263,14cyclictest0-21swapper/300:03:213
1952199266,11cyclictest0-21swapper/222:00:042
1952199265,14cyclictest22346irq/40-dwc2_hso23:45:142
1952199264,5cyclictest27-21ksoftirqd/221:19:332
1952199264,5cyclictest27-21ksoftirqd/200:18:262
1952199263,14cyclictest27-21ksoftirqd/222:13:462
1952199263,14cyclictest27-21ksoftirqd/221:40:582
1952199262,17cyclictest22346irq/40-dwc2_hso20:40:142
1952199262,14cyclictest27-21ksoftirqd/200:29:152
1951099264,4cyclictest21-21ksoftirqd/121:00:121
19501992619,3cyclictest121ksoftirqd/019:55:140
1952999254,15cyclictest0-21swapper/300:38:333
1952999252,17cyclictest0-21swapper/323:08:203
1952999252,14cyclictest28366irq/58-eth022:00:153
1952199255,8cyclictest27-21ksoftirqd/223:17:112
1952199255,8cyclictest27-21ksoftirqd/222:08:452
1952199253,12cyclictest22346irq/40-dwc2_hso19:50:132
1952199252,10cyclictest30791-21sh00:05:132
1952199252,10cyclictest30791-21sh00:05:132
19521992516,6cyclictest24228-21ssh23:05:302
1952199250,11cyclictest10021-21sendmail_mailst21:10:292
1951099259,4cyclictest131rcu_preempt22:01:201
1950199252,17cyclictest25139-21ssh22:50:140
1952999243,15cyclictest0-21swapper/322:35:223
1952199246,9cyclictest261rcuc/223:12:092
1952199245,15cyclictest0-21swapper/219:35:122
1952199245,13cyclictest22346irq/40-dwc2_hso20:25:122
1952199244,6cyclictest21645-21acpi00:00:122
1952199243,5cyclictest27-21ksoftirqd/222:51:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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