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2026-01-20 - 20:08
[ 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 #7

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 rack7slot7s.osadl.org (updated Tue Jan 20, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228429683,9sleep00-21swapper/007:08:020
222428767,9sleep20-21swapper/207:07:162
221328265,13sleep10-21swapper/107:07:071
221527966,9sleep30-21swapper/307:07:093
2519992626,0cyclictest0-21swapper/111:12:191
251399260,2cyclictest0-21swapper/009:10:320
251999253,11cyclictest0-21swapper/109:15:121
251399250,24cyclictest0-21swapper/010:50:470
251999240,0cyclictest0-21swapper/111:15:291
2513992423,1cyclictest0-21swapper/008:48:510
252399231,19cyclictest0-21swapper/211:56:322
2519992323,0cyclictest0-21swapper/112:04:291
2523992220,1cyclictest0-21swapper/211:43:192
251999222,2cyclictest25250-21ssh09:45:431
251999220,1cyclictest0-21swapper/109:50:401
252399210,20cyclictest0-21swapper/212:23:402
252399210,20cyclictest0-21swapper/212:16:012
252399210,20cyclictest0-21swapper/212:16:012
252399210,18cyclictest0-21swapper/211:38:382
251999210,21cyclictest0-21swapper/110:57:171
251399218,6cyclictest7254-21apt-get07:20:010
251399210,4cyclictest0-21swapper/011:38:270
252699200,1cyclictest0-21swapper/310:59:563
2523992020,0cyclictest0-21swapper/210:01:162
252399200,17cyclictest0-21swapper/212:11:562
251399202,1cyclictest0-21swapper/009:27:390
2513992019,1cyclictest32595-21apache210:29:090
252399191,17cyclictest19620-21switchtime10:40:242
252399190,8cyclictest0-21swapper/212:25:132
252399190,19cyclictest0-21swapper/209:56:522
252399190,16cyclictest0-21swapper/209:30:192
2519991919,0cyclictest0-21swapper/111:34:091
251399197,6cyclictest3078-21munin-run11:10:000
251399190,3cyclictest0-21swapper/011:43:110
251399190,2cyclictest0-21swapper/010:56:280
252699183,1cyclictest28160-21diskmemload11:50:283
252399185,4cyclictest225-21systemd-journal09:09:592
2523991817,1cyclictest0-21swapper/210:11:322
2523991814,2cyclictest0-21swapper/210:26:432
252399180,18cyclictest0-21swapper/210:22:112
251999189,9cyclictest32595-21apache210:09:201
251999180,2cyclictest0-21swapper/112:19:561
251999180,2cyclictest0-21swapper/112:19:561
251999180,1cyclictest0-21swapper/112:37:051
251399186,6cyclictest14603-21idleruntime-cro07:35:010
2526991714,1cyclictest0-21swapper/307:30:013
2523991716,1cyclictest0-21swapper/212:30:212
251999171,1cyclictest28160-21diskmemload11:36:231
2519991710,6cyclictest0-21swapper/110:34:021
251999170,13cyclictest0-21swapper/109:00:151
251999170,0cyclictest0-21swapper/109:34:521
2513991717,0cyclictest0-21swapper/009:36:410
2513991715,2cyclictest13-21ksoftirqd/011:57:440
251399170,1cyclictest0-21swapper/011:11:530
252699165,5cyclictest455-21dbus-daemon08:20:003
252699164,5cyclictest0-21swapper/310:10:173
2526991613,3cyclictest39-21ksoftirqd/310:17:053
2526991612,3cyclictest39-21ksoftirqd/309:05:163
251999166,4cyclictest13428-21wget09:20:131
2519991616,0cyclictest0-21swapper/110:17:491
2519991615,1cyclictest0-21swapper/110:10:461
2519991611,2cyclictest0-21swapper/109:56:321
251999160,1cyclictest0-21swapper/110:42:331
251999160,12cyclictest31200-21/usr/sbin/munin11:45:241
251399164,4cyclictest0-21swapper/011:00:120
2513991616,0cyclictest0-21swapper/011:25:260
251399160,0cyclictest0-21swapper/010:41:580
2526991511,2cyclictest13926-21df_inode09:20:143
252399152,12cyclictest32-21ksoftirqd/210:45:112
2523991515,0cyclictest0-21swapper/210:35:312
2523991514,1cyclictest0-21swapper/209:38:522
252399150,14cyclictest0-21swapper/211:22:132
252399150,0cyclictest0-21swapper/210:06:042
2519991514,1cyclictest0-21swapper/110:52:311
2519991512,2cyclictest38150irq/131-snd_hda12:31:511
251999150,1cyclictest0-21swapper/111:24:111
251999150,14cyclictest0-21swapper/110:25:131
251399150,13cyclictest0-21swapper/011:45:420
251399150,0cyclictest0-21swapper/012:20:320
252699144,1cyclictest0-21swapper/312:00:013
252699143,3cyclictest225-21systemd-journal09:46:153
2526991413,1cyclictest0-21swapper/311:27:283
2526991412,1cyclictest39-21ksoftirqd/312:27:333
2526991411,2cyclictest8370-21cut07:20:153
2526991410,3cyclictest16971-21cron07:39:593
252699140,14cyclictest0-21swapper/308:26:223
2523991410,3cyclictest889-21grep09:50:282
252399140,14cyclictest0-21swapper/211:14:552
251999142,9cyclictest16489-21apt-get08:45:111
251999142,5cyclictest0-21swapper/108:40:001
2519991413,1cyclictest28160-21diskmemload09:25:591
2519991411,2cyclictest6316-21ls12:10:001
251999140,14cyclictest0-21swapper/112:23:351
251399140,1cyclictest0-21swapper/007:40:150
251399140,0cyclictest0-21swapper/012:13:110
252699139,3cyclictest919-21wc08:10:243
252699139,3cyclictest29906-21grep11:45:153
252699139,3cyclictest11755-21grep08:35:143
252699139,3cyclictest10566-21ssh10:35:183
252699139,2cyclictest23210-21lockfile-create12:20:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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