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2026-02-11 - 06:38
[ 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 Wed Feb 11, 2026 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
632599551,35cyclictest0-21swapper/200:10:132
631799447,26cyclictest21-21ksoftirqd/119:25:141
6317993625,5cyclictest0-21swapper/123:20:111
633499351,18cyclictest28366irq/58-eth023:10:143
631799351,26cyclictest4510-21ssh22:45:131
6325993419,8cyclictest6299-21cyclictest23:30:132
632599341,19cyclictest9242-21ssh22:30:122
630999336,23cyclictest26795-21ssh23:15:150
6309993328,3cyclictest121ksoftirqd/021:40:130
6309993328,3cyclictest10141-21sh21:55:150
632599320,21cyclictest24213-21ssh21:45:112
631799322,24cyclictest21673-21ssh23:30:121
631799321,22cyclictest19310-21sh22:00:141
6325993111,6cyclictest0-21swapper/200:37:182
630999306,9cyclictest131rcu_preempt21:25:140
632599299,15cyclictest27-21ksoftirqd/221:30:122
631799293,17cyclictest24326-21diskmemload21:45:131
630999294,23cyclictest16631-21ssh23:45:130
630999294,23cyclictest16631-21ssh23:45:130
632599282,20cyclictest0-21swapper/219:20:142
632599282,19cyclictest0-21swapper/222:40:052
632599282,19cyclictest0-21swapper/222:40:042
632599281,24cyclictest26575-21kthreadcore23:50:182
631799287,12cyclictest6299-21cyclictest19:15:111
630999286,19cyclictest25777-21ssh23:50:140
630999282,22cyclictest23428-21ssh22:20:130
6334992717,6cyclictest28366irq/58-eth022:35:143
632599272,22cyclictest3110-21kthreadcore22:25:232
632599272,12cyclictest13630-21ssh22:50:152
630999273,20cyclictest8656-21ssh23:05:110
630999272,21cyclictest11498-21ssh00:00:120
632599262,9cyclictest8574-21ssh00:33:202
632599262,21cyclictest25327-21kthreadcore22:55:222
6325992613,6cyclictest22926-21ssh22:00:252
6325992612,5cyclictest10740-21ssh00:15:302
632599260,18cyclictest9751-21ls21:35:272
631799262,18cyclictest32747-21ssh00:29:191
631799262,18cyclictest2770-21ssh00:11:191
630999263,19cyclictest19296-21ssh22:00:120
630999263,18cyclictest22691-21ssh22:55:140
630999261,22cyclictest12650-21ssh23:25:140
6334992518,4cyclictest0-21swapper/323:55:123
632599255,8cyclictest21066-21unixbench_multi19:55:302
632599254,3cyclictest24326-21diskmemload00:25:322
632599254,13cyclictest22346irq/40-dwc2_hso20:10:142
632599251,22cyclictest23931-21irqcore22:20:182
632599251,21cyclictest5343-21latency_hist20:50:012
632599251,21cyclictest4969-21kthreadcore19:40:182
632599251,17cyclictest0-21swapper/219:30:132
6317992510,3cyclictest131rcu_preempt23:50:191
630999256,14cyclictest3352-1kworker/u9:122:10:110
630999254,17cyclictest17754-21ssh23:10:130
632599243,17cyclictest16590-21/usr/sbin/munin23:45:112
632599243,17cyclictest16590-21/usr/sbin/munin23:45:102
632599242,20cyclictest31078-21kernelversion19:35:182
632599242,19cyclictest29796-21kthreadcore22:05:202
6325992413,9cyclictest10994-21ssh22:47:242
6325992412,9cyclictest3616-21ssh21:15:212
632599241,20cyclictest15132-21kthreadcore22:15:192
632599241,19cyclictest16593-21sh23:25:292
632599240,21cyclictest19795-21kthreadcore20:30:202
630999246,6cyclictest31632-21tail00:10:210
630999244,7cyclictest131rcu_preempt21:35:130
630999242,19cyclictest965-21ssh21:50:120
632599232,6cyclictest0-21swapper/200:04:152
6325992312,9cyclictest25489-21ssh00:05:372
632599231,12cyclictest24494-21latency_hist21:10:012
631799231,5cyclictest16169-21apt-get23:45:031
631799231,5cyclictest16169-21apt-get23:45:021
6317992311,9cyclictest7068-21cron23:40:011
630999232,18cyclictest4520-21ssh22:45:140
630999232,17cyclictest21646-21apt-get23:30:120
630999231,18cyclictest19878-21cut21:05:160
630999231,18cyclictest10425-21ssh00:35:140
6334992214,6cyclictest28366irq/58-eth021:35:133
6334992212,7cyclictest0-21swapper/322:45:233
6334992211,8cyclictest0-21swapper/323:45:133
6334992211,8cyclictest0-21swapper/323:45:133
632599224,11cyclictest13203-21ssh21:20:222
632599223,16cyclictest8066-21ssh23:40:192
632599223,16cyclictest4709-21ssh23:55:212
632599222,17cyclictest6858-21irqcore19:10:172
632599222,13cyclictest12921-21kthreadcore20:55:202
632599221,8cyclictest12091-21kthreadcore21:55:222
6325992211,9cyclictest23117-21ssh21:44:122
632599221,14cyclictest9050-21ps23:05:162
631799223,14cyclictest15084-21ssh21:40:131
631799222,17cyclictest31191-21wc22:40:231
631799222,17cyclictest31191-21wc22:40:231
631799222,16cyclictest26867-21apt-get20:05:121
631799222,15cyclictest10790-21diskmemload21:20:141
6317992214,5cyclictest23377-21/usr/sbin/munin22:20:271
631799221,16cyclictest17774-21ssh23:10:131
630999228,10cyclictest12-21ksoftirqd/023:00:110
630999223,13cyclictest2376-21ssh23:55:130
630999222,16cyclictest12-21ksoftirqd/019:55:150
630999221,18cyclictest15538-21sh00:20:140
630999221,17cyclictest13835-21uniq22:50:170
630999220,18cyclictest28321-21cut20:40:160
633499217,7cyclictest28366irq/58-eth000:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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