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2026-03-01 - 19:11
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Sun Mar 01, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265992227153,22sleep00-21swapper/007:09:430
264482207170,25sleep10-21swapper/107:07:451
264022203167,24sleep20-21swapper/207:07:102
246612201163,25sleep30-21swapper/307:05:113
201832690,2sleep10-21swapper/109:20:131
2670899421,37cyclictest7866-21idleruntime-cro11:20:011
2670899421,27cyclictest6920-21cut12:30:131
26714994116,16cyclictest2303-21irqstats11:05:162
26714994112,12cyclictest32745-21chrt09:46:552
2670899419,24cyclictest30185-21latency_hist08:30:021
2670899411,27cyclictest3802-21latency_hist07:30:011
2670899402,25cyclictest21851-21gltestperf11:50:161
26714993911,12cyclictest10875-21cat12:40:012
2670899395,17cyclictest28929-21grep09:40:101
2670899392,25cyclictest822-21/usr/sbin/munin09:50:171
2670899391,30cyclictest913-21sssd_nss11:35:181
2670899391,24cyclictest0-21swapper/107:30:121
26720993822,10cyclictest0-21swapper/310:26:313
2671499386,17cyclictest7475-21users11:15:262
26714993811,14cyclictest15428-21awk09:10:012
2670899389,20cyclictest18882-21date11:45:011
2670899389,20cyclictest15593-21perl07:55:131
2670899381,27cyclictest26635-21/usr/sbin/munin09:35:131
2670899381,26cyclictest0-21swapper/110:15:131
2670899381,24cyclictest7373-21cut10:05:001
2670899381,23cyclictest18455-21/usr/sbin/munin10:30:241
26720993723,9cyclictest0-21swapper/311:05:543
26720993723,2cyclictest15414-21diskmemload10:11:413
26720993722,10cyclictest0-21swapper/311:26:213
26714993711,16cyclictest31646-21/usr/sbin/munin11:00:232
2670899379,20cyclictest25475-21grep10:45:161
2670899371,25cyclictest0-21swapper/111:20:211
26714993615,12cyclictest17664-21if_err_enp2s011:40:182
26714993615,12cyclictest17302-21/usr/sbin/munin10:25:202
2670899361,32cyclictest13439-21grep07:50:151
2670899361,20cyclictest19396-21unixbench_singl09:15:271
2670899360,5cyclictest0-21swapper/110:52:511
2670899360,26cyclictest0-21swapper/110:00:011
26720993524,3cyclictest0-21swapper/309:51:293
26720993522,8cyclictest0-21swapper/310:44:403
26720993522,3cyclictest0-21swapper/309:57:453
26720993521,8cyclictest0-21swapper/310:18:313
26720993519,3cyclictest0-21swapper/308:27:223
2671499358,17cyclictest25583-21sort10:45:152
26714993510,15cyclictest21094-21tune2fs10:35:142
2670899355,20cyclictest88350irq/128-enp1s0-11:10:151
2670899352,30cyclictest25074-21awk08:15:241
2670899351,30cyclictest2138-21gltestperf11:05:141
2670899351,2cyclictest12477-21/usr/sbin/munin11:30:261
2670899351,23cyclictest9320-21chrt10:08:361
26720993421,7cyclictest0-21swapper/309:16:223
26720993420,9cyclictest0-21swapper/312:17:513
26720993420,8cyclictest0-21swapper/310:45:083
2671499348,13cyclictest913-21sssd_nss10:50:152
2671499347,5cyclictest22174-21cat09:25:022
26714993414,7cyclictest8427-21/usr/sbin/munin07:40:272
26714993410,8cyclictest4585-21grep09:55:242
2670899341,30cyclictest26404-21latency_hist09:35:011
2670899341,29cyclictest25430-21latency_hist12:00:011
2670899341,23cyclictest8698-21/usr/sbin/munin12:35:151
2670899341,22cyclictest0-21swapper/111:45:251
2670899341,20cyclictest823-21snmpd07:43:131
26720993322,3cyclictest0-21swapper/310:36:323
26720993321,3cyclictest0-21swapper/311:13:063
26720993320,9cyclictest0-21swapper/307:31:333
26720993320,8cyclictest0-21swapper/307:42:593
26720993320,7cyclictest0-21swapper/310:06:233
26720993319,9cyclictest0-21swapper/310:22:153
26720993319,9cyclictest0-21swapper/310:22:153
26720993319,3cyclictest0-21swapper/311:45:373
26720993316,9cyclictest0-21swapper/307:11:003
26714993324,5cyclictest9309-40dnf10:08:312
26714993313,6cyclictest21609-21df_inode11:50:152
26714993313,11cyclictest1785-21memory09:50:182
26714993311,13cyclictest28791-21memory12:05:192
2670899339,3cyclictest0-21swapper/108:03:391
2670899339,3cyclictest0-21swapper/108:03:391
2670899333,27cyclictest29798-21diskstats10:55:141
2670899331,3cyclictest24829-21perf10:45:021
2670899331,2cyclictest28967-21latency_hist07:15:021
2670899331,29cyclictest22789-21perl09:25:151
2670899330,2cyclictest29898-21latency_hist12:10:011
219462330,4sleep02670299cyclictest11:50:160
26720993221,3cyclictest0-21swapper/311:55:313
26720993219,8cyclictest0-21swapper/312:26:233
26720993219,8cyclictest0-21swapper/307:54:353
26720993218,8cyclictest0-21swapper/309:44:453
26720993216,11cyclictest0-21swapper/309:12:163
26720993216,11cyclictest0-21swapper/309:12:163
2672099321,21cyclictest0-21swapper/309:28:093
2671499327,16cyclictest21619-21/usr/sbin/munin08:10:252
26714993212,11cyclictest16705-21ntp_states09:10:212
26714993212,11cyclictest16705-21ntp_states09:10:212
26714993210,9cyclictest11525-21expr09:00:132
2670899322,26cyclictest15249-40dnf09:08:071
2670899321,28cyclictest22619-21latency_hist10:40:021
2670899321,28cyclictest1610-21chrt12:16:381
2670899321,28cyclictest13381-21cat09:05:021
2670899321,27cyclictest3013-21grep08:40:151
2670899321,27cyclictest10829-21proc_pri10:10:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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