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2026-01-31 - 21:45
[ 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 #9, 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 all highest latencies:
System rack9slot4s (updated Sat Jan 31, 2026 12:59:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317349912431216,23cyclictest18586-21smartctl09:20:271
317339912281192,19cyclictest0-21swapper/007:25:130
317349911281112,13cyclictest0-21swapper/107:25:121
315502697650,32sleep10-21swapper/107:23:401
312712563517,30sleep00-21swapper/007:20:440
3173399194185,6cyclictest0-21swapper/009:20:270
2439621240,5sleep03173399cyclictest10:33:580
141112940,3sleep00-21swapper/009:50:100
214192920,5sleep124309-21kworker/1:608:20:131
37432590,5sleep1211ktimersoftd/111:52:311
19542590,2sleep11955-21sh09:37:001
244952560,5sleep024493-21sh12:14:320
56462520,3sleep00-21swapper/009:05:010
54772500,8sleep00-21swapper/012:27:490
163392450,7sleep03173399cyclictest12:05:240
31733994224,6cyclictest3-21ksoftirqd/010:35:130
31733994222,5cyclictest3-21ksoftirqd/009:13:060
31733994123,5cyclictest3-21ksoftirqd/010:06:500
128872400,4sleep1211ktimersoftd/112:35:261
31733993918,5cyclictest3-21ksoftirqd/012:22:290
19842390,8sleep03173399cyclictest11:50:290
47452380,5sleep0111rcuc/010:13:350
31733993821,6cyclictest3-21ksoftirqd/010:20:540
31733993820,8cyclictest3-21ksoftirqd/012:38:250
3173499375,28cyclictest0-21swapper/112:40:551
3173499374,30cyclictest0-21swapper/109:42:561
31733993718,9cyclictest3-21ksoftirqd/011:31:560
31733993718,5cyclictest3-21ksoftirqd/011:07:150
31733993718,16cyclictest3-21ksoftirqd/008:07:290
31733993716,5cyclictest3-21ksoftirqd/011:45:520
136652371,32sleep113677-21rm12:02:511
3173499366,4cyclictest81rcu_preempt11:01:101
3173499365,5cyclictest81rcu_preempt12:47:291
3173499362,5cyclictest0-21swapper/111:26:551
3173499361,8cyclictest3302-21runrttasks10:17:281
3173399366,27cyclictest0-21swapper/011:16:020
31733993620,5cyclictest3-21ksoftirqd/010:55:150
31733993620,5cyclictest3-21ksoftirqd/009:41:550
271772361,30sleep027196-21df_inode11:10:110
83162352,4sleep18375-21iostat09:10:191
3173499355,4cyclictest81rcu_preempt11:38:241
3173499355,26cyclictest23912-21diskstats11:40:161
31734993526,5cyclictest17258-21ssh09:52:551
31734993517,5cyclictest40550irq/92-i91510:48:471
3173499351,5cyclictest6681-21ssh12:29:351
3173499351,5cyclictest23607-21ssh11:05:361
3173499351,30cyclictest30921-21tune2fs08:45:161
3173399359,6cyclictest3-21ksoftirqd/010:45:130
3173399358,7cyclictest3-21ksoftirqd/009:15:150
3173399352,5cyclictest25420-21ssh12:15:160
31733993520,4cyclictest3-21ksoftirqd/010:15:290
31733993518,6cyclictest3-21ksoftirqd/012:48:050
287022350,6sleep03173399cyclictest09:30:450
3173499346,4cyclictest81rcu_preempt12:22:291
3173499344,4cyclictest81rcu_preempt12:07:131
3173499344,4cyclictest81rcu_preempt11:30:591
3173499344,4cyclictest81rcu_preempt10:57:111
3173499344,4cyclictest81rcu_preempt10:41:391
3173499344,4cyclictest81rcu_preempt10:29:151
3173499344,4cyclictest81rcu_preempt10:09:391
3173499342,28cyclictest0-21swapper/110:53:351
3173499341,5cyclictest30844-21ssh11:46:561
31733993419,5cyclictest3-21ksoftirqd/010:02:590
31733993419,5cyclictest3-21ksoftirqd/009:59:040
31733993419,4cyclictest3-21ksoftirqd/010:28:380
31733993417,6cyclictest3-21ksoftirqd/007:47:030
31733993414,9cyclictest3-21ksoftirqd/012:01:500
3173399341,29cyclictest2309-21cron09:39:590
3173399341,20cyclictest26189-21sh11:42:110
39472331,4sleep13952-21rm10:12:271
3173499334,4cyclictest81rcu_preempt10:02:161
3173499333,4cyclictest81rcu_preempt10:37:421
3173499333,4cyclictest81rcu_preempt09:45:521
3173499333,4cyclictest81rcu_preempt09:26:161
3173499333,4cyclictest81rcu_preempt09:15:461
3173499332,4cyclictest0-21swapper/112:52:151
3173499331,4cyclictest81rcu_preempt09:57:301
3173399332,13cyclictest26742-21python12:50:270
31733993318,5cyclictest3-21ksoftirqd/011:39:110
31733993314,9cyclictest3-21ksoftirqd/011:03:070
31733993311,5cyclictest0-21swapper/010:42:520
3173399331,10cyclictest81rcu_preempt11:21:100
3173499325,4cyclictest81rcu_preempt12:30:271
31734993225,5cyclictest0-21swapper/111:13:361
3173499321,4cyclictest81rcu_preempt08:11:301
31733993217,5cyclictest3-21ksoftirqd/012:32:070
31733993216,5cyclictest3-21ksoftirqd/008:23:440
3173399321,29cyclictest0-21swapper/008:03:160
202562321,4sleep120345-21aten_r4power_po12:10:121
140972321,4sleep114110-21udevd10:23:061
3173499313,4cyclictest81rcu_preempt11:15:381
3173499313,3cyclictest81rcu_preempt09:33:121
31734993123,6cyclictest0-21swapper/107:59:151
31734993119,7cyclictest23805-21ssh10:33:071
3173499311,4cyclictest81rcu_preempt07:30:211
31734993111,6cyclictest29496-21sh12:19:481
3173399316,10cyclictest3-21ksoftirqd/012:40:200
31733993116,5cyclictest3-21ksoftirqd/011:57:190
31733993115,5cyclictest3-21ksoftirqd/007:50:320
3173399311,27cyclictest0-21swapper/009:29:150
3173399311,27cyclictest0-21swapper/008:57:360
267472311,9sleep00-21swapper/008:35:100
264302311,5sleep00-21swapper/008:33:250
94312301,4sleep09592-21fschecks_time11:25:180
3173499309,6cyclictest9366-21sh11:58:401
3173399309,5cyclictest32050-21watchsnmpd08:48:000
3173399302,4cyclictest81rcu_preempt10:50:090
3173399302,24cyclictest12776-21/usr/sbin/munin07:55:290
3173399302,15cyclictest0-21swapper/008:27:340
3173399301,4cyclictest81rcu_preempt09:46:090
31733993012,6cyclictest537-21/usr/sbin/munin08:50:190
3173399301,17cyclictest7120-21sed07:40:270
35292291,5sleep00-21swapper/007:32:200
3173499294,4cyclictest81rcu_preempt08:53:381
3173499294,19cyclictest13892-21diskstats08:00:141
3173499294,18cyclictest25172-21diskstats08:30:151
3173499293,3cyclictest81rcu_preempt11:21:011
3173499291,12cyclictest4307-21fschecks_count07:35:151
3173399291,7cyclictest6922-21grep09:05:290
31733992910,6cyclictest17392-21cut08:10:110
57012281,5sleep10-21swapper/109:05:041
52802281,5sleep00-21swapper/007:35:370
3173499283,4cyclictest81rcu_preempt07:52:451
31734992820,5cyclictest4883-21switchtime09:00:291
31734992816,6cyclictest16071-21iostat_ios08:05:211
3173499281,4cyclictest81rcu_preempt08:57:531
3173499281,3cyclictest81rcu_preempt07:48:401
31733992811,6cyclictest3-21ksoftirqd/008:44:570
208202281,5sleep00-21swapper/008:18:490
71672271,5sleep10-21swapper/107:40:321
31734992718,5cyclictest27117-21fschecks_count08:35:161
3173499263,14cyclictest0-21swapper/108:26:291
3173499261,4cyclictest81rcu_preempt08:15:271
3173499253,19cyclictest0-21swapper/108:40:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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