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2026-01-31 - 18:17
[ 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 Sat Jan 31, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140032235162,24sleep30-21swapper/307:06:103
141342204168,24sleep10-21swapper/107:07:541
142482201162,27sleep00-21swapper/007:09:220
142552200165,23sleep20-21swapper/207:09:282
1437999507,13cyclictest10320-21awk10:40:000
194202470,3sleep011-21rcuc/008:30:240
166602400,2sleep20-21swapper/209:40:132
149212370,3sleep01437999cyclictest07:10:140
1437999377,14cyclictest28851-21munin-run08:55:010
1437999348,12cyclictest19742-21perf12:15:010
1437999347,12cyclictest15685-21perf08:25:010
1437999326,13cyclictest28516-21munin-run12:35:000
1437999326,12cyclictest11286-21perf08:15:010
302472310,1sleep30-21swapper/308:55:233
1437999313,13cyclictest2142-21munin-run11:35:010
1437999301,14cyclictest32310-21basename11:30:010
14379992916,4cyclictest0-21swapper/010:10:290
1437999291,10cyclictest26423-21cat12:30:000
68242280,1sleep00-21swapper/011:45:120
1437999276,10cyclictest12050irq/123-ahci[0010:45:000
1437999272,12cyclictest24129-21awk12:25:010
1437999267,16cyclictest27904-21munin-run11:20:010
1439799257,2cyclictest88150irq/126-enp1s0-07:10:243
1439799256,4cyclictest0-21swapper/310:01:153
1438799259,8cyclictest32528-21/usr/sbin/munin11:30:181
1437999258,15cyclictest7505-21awk09:20:010
1437999251,15cyclictest0-21swapper/012:06:010
1437999251,14cyclictest0-21swapper/010:00:230
1438799242,15cyclictest88450irq/129-enp1s0-09:08:101
1438799241,3cyclictest19734-21perf12:15:021
1438799241,16cyclictest0-21swapper/110:20:161
1437999242,10cyclictest1780-21kworker/0:011:44:220
1437999242,10cyclictest1780-21kworker/0:011:44:220
1437999241,9cyclictest6518-21kworker/0:108:01:120
1437999241,9cyclictest23246-21kworker/0:111:24:480
14379992413,3cyclictest18828-21kworker/0:311:06:020
1437999241,11cyclictest6651-21kworker/0:308:05:120
1437999241,10cyclictest4128-21kworker/0:311:56:160
174462230,5sleep31439799cyclictest08:25:243
1439799231,7cyclictest0-21swapper/311:04:473
1439799231,16cyclictest0-21swapper/309:47:333
1438799231,17cyclictest0-21swapper/111:14:301
1438799231,16cyclictest0-21swapper/112:20:081
14387992310,9cyclictest0-21swapper/109:31:241
1437999239,3cyclictest23662-21kworker/0:007:35:120
1437999237,5cyclictest5554-21kworker/0:210:31:550
1437999237,5cyclictest5554-21kworker/0:210:31:550
1437999237,5cyclictest1780-21kworker/0:011:38:540
1437999237,4cyclictest32582-21kworker/0:107:53:160
1437999237,4cyclictest24144-21kworker/0:008:46:410
1437999233,2cyclictest0-21swapper/008:40:120
1437999232,9cyclictest13002-21kworker/0:212:02:120
1437999231,9cyclictest629-21kworker/0:009:05:180
1437999231,15cyclictest0-21swapper/010:59:090
1437999231,11cyclictest2699-21kworker/0:207:56:380
14379992310,3cyclictest28601-21kworker/0:109:00:130
1437999230,13cyclictest0-21swapper/010:15:210
1437999230,11cyclictest0-21swapper/007:26:090
1439799227,4cyclictest41-21ksoftirqd/311:40:013
1439799222,11cyclictest396-21/usr/sbin/munin07:50:223
1439799221,6cyclictest0-21swapper/312:11:363
1439199221,3cyclictest0-21swapper/209:14:412
1439199221,2cyclictest0-21swapper/211:49:372
1439199221,12cyclictest7366-21grep10:30:232
1439199221,12cyclictest7366-21grep10:30:232
1438799224,5cyclictest0-21swapper/110:50:161
1438799221,3cyclictest20004-21hddtemp_smartct11:00:151
1438799221,3cyclictest15035-21basename09:35:151
1438799221,3cyclictest0-21swapper/110:39:201
1438799221,18cyclictest13797-21ntp_states10:45:221
1438799221,16cyclictest0-21swapper/112:29:411
1438799221,16cyclictest0-21swapper/111:55:111
1438799221,16cyclictest0-21swapper/109:28:251
1438799221,16cyclictest0-21swapper/107:28:381
1438799221,16cyclictest0-21swapper/107:18:271
1438799221,15cyclictest0-21swapper/111:06:231
1438799221,12cyclictest9836-21fschecks_time08:10:151
1438799220,16cyclictest0-21swapper/110:19:321
1437999229,2cyclictest23224-21kworker/0:307:24:300
1437999227,4cyclictest23224-21kworker/0:307:16:090
1437999226,4cyclictest17754-21kworker/0:308:29:080
1437999222,9cyclictest25495-21kworker/0:011:12:480
1437999222,9cyclictest23823-21kworker/0:207:33:480
1437999221,9cyclictest3009-21kworker/0:109:14:260
1437999221,10cyclictest24144-21kworker/0:008:56:170
1439799219,3cyclictest8793-21ntp_states09:20:213
1439799219,3cyclictest8793-21ntp_states09:20:213
1439799218,4cyclictest0-21swapper/311:45:153
1439799214,4cyclictest0-21swapper/312:29:163
1439799213,8cyclictest0-21swapper/310:27:393
1439799212,11cyclictest7109-21/usr/sbin/munin08:05:143
1439799211,9cyclictest0-21swapper/312:20:493
1439799211,4cyclictest8341-21/usr/sbin/munin10:35:223
1439799211,4cyclictest0-21swapper/310:42:593
1439799211,12cyclictest0-21swapper/310:12:413
1439799211,11cyclictest4901-21/usr/sbin/munin08:00:113
1439799211,11cyclictest31281-21/usr/sbin/munin09:00:213
1439799211,11cyclictest13690-21sshd08:20:103
1439199214,8cyclictest24365-21egrep12:25:132
1439199212,9cyclictest0-21swapper/210:21:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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