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2026-01-20 - 06:27
[ 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 #a, slot #8

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 rackaslot8s.osadl.org (updated Tue Jan 20, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32722157100,42sleep00-21swapper/019:08:230
1486214696,43sleep20-21swapper/219:05:042
3102214599,39sleep10-21swapper/119:06:111
32452139103,25sleep30-21swapper/319:08:023
91972790,1sleep10-21swapper/123:24:001
84742770,1sleep28432-21ssh00:35:212
57552760,2sleep00-21swapper/000:33:540
298802710,3sleep10-21swapper/100:27:171
316222640,2sleep20-21swapper/200:29:032
243982570,1sleep30-21swapper/322:46:273
7432550,2sleep00-21swapper/021:40:260
13442550,11sleep228-21ksoftirqd/222:30:002
104352550,11sleep334-21ksoftirqd/323:25:033
186662540,1sleep20-21swapper/223:30:242
186662540,1sleep20-21swapper/223:30:242
33142510,2sleep20-21swapper/223:19:522
120882490,1sleep00-21swapper/000:14:520
254342480,1sleep20-21swapper/200:24:332
197492440,2sleep20-21swapper/222:19:372
247282430,1sleep20-21swapper/223:35:172
154592430,2sleep00-21swapper/021:27:530
99682410,1sleep10-21swapper/122:35:251
85082400,1sleep28510-21ssh22:59:382
222062400,1sleep30-21swapper/321:56:383
116852370,9sleep012-21ksoftirqd/023:50:120
3669993523,3cyclictest12-21ksoftirqd/022:55:080
366999322,4cyclictest12-21ksoftirqd/000:00:010
3669993124,5cyclictest131rcuc/022:30:230
284252310,2chrt0-21swapper/000:02:080
32262290,3sleep10-21swapper/121:42:561
3669992824,3cyclictest131rcuc/023:15:560
366999282,20cyclictest31710-21sh00:05:130
151912280,1chrt0-21swapper/022:15:210
367099271,24cyclictest0-21swapper/119:12:261
366999277,7cyclictest12-21ksoftirqd/023:13:590
366999276,11cyclictest12-21ksoftirqd/022:25:230
366999276,10cyclictest12-21ksoftirqd/023:09:020
366999275,10cyclictest12-21ksoftirqd/023:02:290
366999273,10cyclictest23103-21diskmemload22:54:170
3669992723,3cyclictest131rcuc/000:25:150
3669992717,9cyclictest131rcuc/022:45:020
166512270,2sleep30-21swapper/322:16:293
48092260,2sleep20-21swapper/200:09:162
366999269,8cyclictest12-21ksoftirqd/020:43:150
366999268,10cyclictest12-21ksoftirqd/022:39:430
366999267,9cyclictest12-21ksoftirqd/021:56:110
366999267,9cyclictest12-21ksoftirqd/020:05:510
366999264,10cyclictest12-21ksoftirqd/000:23:400
3669992622,3cyclictest131rcuc/021:22:340
3669992616,2cyclictest141rcu_preempt00:37:350
366999261,24cyclictest0-21swapper/019:12:190
49872250,3sleep334-21ksoftirqd/323:20:213
3672992523,1cyclictest0-21swapper/319:12:383
367199251,23cyclictest0-21swapper/219:12:452
366999257,8cyclictest12-21ksoftirqd/020:55:070
366999257,10cyclictest12-21ksoftirqd/023:26:070
366999257,10cyclictest12-21ksoftirqd/022:05:310
366999255,9cyclictest12-21ksoftirqd/022:40:300
3669992510,8cyclictest12-21ksoftirqd/021:18:170
366999250,7cyclictest12-21ksoftirqd/021:36:020
320812250,2sleep10-21swapper/122:28:311
221542250,1sleep10-21swapper/123:57:361
367199241,11cyclictest205792sh21:55:242
3670992414,7cyclictest30997-21df23:40:131
366999249,7cyclictest12-21ksoftirqd/021:07:510
366999248,8cyclictest12-21ksoftirqd/023:38:490
366999247,9cyclictest12-21ksoftirqd/023:41:070
366999247,8cyclictest12-21ksoftirqd/022:20:500
366999247,7cyclictest12-21ksoftirqd/022:12:010
366999246,10cyclictest12-21ksoftirqd/023:47:040
366999245,8cyclictest12-21ksoftirqd/021:10:310
366999242,4cyclictest12-21ksoftirqd/019:40:210
3669992420,3cyclictest131rcuc/021:33:210
3669992417,5cyclictest12-21ksoftirqd/023:25:000
3669992416,6cyclictest13268-21ssh00:15:140
30302240,10sleep334-21ksoftirqd/300:07:293
367299233,14cyclictest23103-21diskmemload23:00:113
3672992314,6cyclictest9281-21ntp_kernel_pll_22:35:203
3672992312,6cyclictest52750irq/139-enp3s0-21:40:103
3671992310,11cyclictest22337-21ssh21:33:042
3670992313,7cyclictest23090-21df_inode23:10:141
366999239,3cyclictest12-21ksoftirqd/022:03:140
366999238,6cyclictest12-21ksoftirqd/021:51:000
366999237,7cyclictest12-21ksoftirqd/019:23:210
366999235,10cyclictest12-21ksoftirqd/020:47:510
366999232,6cyclictest12-21ksoftirqd/021:47:480
3669992319,3cyclictest131rcuc/023:33:010
3669992319,3cyclictest131rcuc/023:33:010
3669992317,4cyclictest12-21ksoftirqd/020:40:010
235772230,10sleep334-21ksoftirqd/323:10:183
159662230,2sleep20-21swapper/222:40:202
108152230,11sleep228-21ksoftirqd/223:49:372
3672992215,5cyclictest34-21ksoftirqd/300:30:003
3672992211,7cyclictest16355-21grep22:40:243
3671992218,3cyclictest14886-21ssh23:04:172
367199221,10cyclictest315432missed_timers23:40:182
3670992216,4cyclictest19143-21turbostat.cron00:20:001
3670992215,6cyclictest22-21ksoftirqd/123:40:001
3670992214,6cyclictest12722-21ssh22:14:161
3670992213,7cyclictest21643-21ntp_states22:20:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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