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2026-02-17 - 07:50
[ 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 Tue Feb 17, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184599911951144,25cyclictest19070-21perl19:25:170
184609911521118,30cyclictest4430-21perl21:20:161
184609911421098,32cyclictest18879-21expr19:25:141
182442561516,30sleep00-21swapper/019:23:170
182062523440,69sleep10-21swapper/119:22:551
18459992321,228cyclictest0-21swapper/021:20:170
1443021140,5sleep114427-21grep20:35:271
873921120,11sleep00-21swapper/000:45:180
94072940,4sleep0111rcuc/000:12:070
107352850,4sleep0111rcuc/020:25:300
152382830,9sleep01845999cyclictest23:45:140
14522800,8sleep01845999cyclictest22:57:190
18460995415,6cyclictest22-21ksoftirqd/122:05:271
18460995312,4cyclictest22-21ksoftirqd/121:32:441
18460995310,6cyclictest22-21ksoftirqd/121:54:441
1846099526,6cyclictest22-21ksoftirqd/122:51:281
1846099526,6cyclictest22-21ksoftirqd/100:02:511
18460995217,6cyclictest22-21ksoftirqd/122:03:061
18460995214,6cyclictest22-21ksoftirqd/120:45:231
18460995213,6cyclictest22-21ksoftirqd/100:10:191
18460995213,5cyclictest22-21ksoftirqd/123:55:181
1846099516,6cyclictest22-21ksoftirqd/100:27:571
1846099515,6cyclictest22-21ksoftirqd/122:21:321
18460995116,15cyclictest22-21ksoftirqd/120:00:181
18460995115,6cyclictest22-21ksoftirqd/122:30:111
18460995114,6cyclictest22-21ksoftirqd/120:55:111
18460995114,6cyclictest22-21ksoftirqd/119:50:231
18460995114,5cyclictest22-21ksoftirqd/122:35:241
18460995113,5cyclictest22-21ksoftirqd/123:45:291
18460995113,5cyclictest22-21ksoftirqd/122:10:081
18460995113,5cyclictest22-21ksoftirqd/100:35:291
18460995113,5cyclictest22-21ksoftirqd/100:05:241
1846099505,6cyclictest22-21ksoftirqd/123:00:071
1846099505,6cyclictest22-21ksoftirqd/121:18:081
18460995014,6cyclictest22-21ksoftirqd/122:59:551
18460995014,5cyclictest22-21ksoftirqd/123:30:101
18460995013,6cyclictest22-21ksoftirqd/123:51:231
18460995013,6cyclictest22-21ksoftirqd/123:25:281
18460995013,6cyclictest22-21ksoftirqd/122:15:191
18460995013,6cyclictest22-21ksoftirqd/122:15:181
18460995013,6cyclictest22-21ksoftirqd/121:45:561
18460995013,5cyclictest22-21ksoftirqd/119:30:031
18460995011,6cyclictest22-21ksoftirqd/120:07:221
18460995011,4cyclictest22-21ksoftirqd/122:40:481
1846099495,5cyclictest22-21ksoftirqd/100:30:051
18460994913,6cyclictest22-21ksoftirqd/121:25:141
18460994913,6cyclictest22-21ksoftirqd/120:50:131
18460994912,6cyclictest22-21ksoftirqd/119:40:231
18460994912,6cyclictest22-21ksoftirqd/100:46:381
1845999491,14cyclictest16081-21ntp_kernel_pll_22:05:230
18460994817,10cyclictest22-21ksoftirqd/119:55:151
18460994813,6cyclictest22-21ksoftirqd/123:38:451
18460994813,5cyclictest22-21ksoftirqd/100:20:251
18460994812,6cyclictest22-21ksoftirqd/122:27:471
18460994812,6cyclictest22-21ksoftirqd/121:56:461
219932470,8sleep01845999cyclictest19:30:240
18460994721,10cyclictest22-21ksoftirqd/123:06:281
18460994714,6cyclictest22-21ksoftirqd/123:12:461
18460994712,6cyclictest22-21ksoftirqd/120:15:151
18460994711,6cyclictest22-21ksoftirqd/100:15:371
18460994710,6cyclictest22-21ksoftirqd/100:50:151
1846099469,6cyclictest22-21ksoftirqd/100:43:571
1846099469,6cyclictest22-21ksoftirqd/100:43:571
18460994624,10cyclictest22-21ksoftirqd/120:10:181
18460994612,6cyclictest22-21ksoftirqd/123:41:431
1846099459,6cyclictest22-21ksoftirqd/121:37:171
1846099459,6cyclictest22-21ksoftirqd/121:37:171
18460994518,3cyclictest22-21ksoftirqd/123:24:121
18460994516,9cyclictest22-21ksoftirqd/121:05:101
18460994514,6cyclictest22-21ksoftirqd/123:15:351
18460994513,6cyclictest22-21ksoftirqd/121:40:321
18460994512,6cyclictest22-21ksoftirqd/120:20:211
18460994510,6cyclictest22-21ksoftirqd/120:44:491
18460994510,6cyclictest22-21ksoftirqd/119:39:141
3492440,8sleep01845999cyclictest00:03:110
18460994426,4cyclictest22-21ksoftirqd/121:10:131
18460994319,4cyclictest22-21ksoftirqd/119:45:291
1846099429,6cyclictest22-21ksoftirqd/120:30:171
1846099427,4cyclictest81rcu_preempt22:48:141
18460994224,4cyclictest22-21ksoftirqd/120:25:301
18460994025,4cyclictest22-21ksoftirqd/121:00:191
1845999401,35cyclictest0-21swapper/000:37:150
1845999399,27cyclictest0-21swapper/023:41:550
18459993916,8cyclictest1219-21users20:00:300
1845999374,4cyclictest81rcu_preempt21:11:550
1845999374,28cyclictest0-21swapper/000:09:160
1845999366,4cyclictest81rcu_preempt21:15:150
1845999362,30cyclictest0-21swapper/022:22:360
53842351,4sleep05395-21ssh00:41:060
53842351,4sleep05395-21ssh00:41:050
1845999352,4cyclictest81rcu_preempt22:42:030
18459993517,6cyclictest4021-21df_inode23:00:130
1845999351,5cyclictest25382-21ssh00:29:150
1845999351,21cyclictest4935-21ssh22:27:260
1845999344,4cyclictest81rcu_preempt22:10:020
1845999344,4cyclictest2206-21dbus-daemon22:35:200
1845999341,4cyclictest81rcu_preempt21:00:210
1845999339,6cyclictest9974-21latency_hist23:40:000
1845999339,11cyclictest25212-21fschecks_count22:15:150
1845999339,11cyclictest25212-21fschecks_count22:15:140
1845999337,4cyclictest81rcu_preempt00:30:120
1845999334,4cyclictest81rcu_preempt21:52:400
1845999332,4cyclictest0-21swapper/023:55:150
1845999332,15cyclictest19603-21/usr/sbin/munin21:35:280
1845999332,15cyclictest19603-21/usr/sbin/munin21:35:280
1845999331,4cyclictest16480-21ssh21:32:350
18459993314,6cyclictest30497-21gdbus22:33:530
18459993314,15cyclictest11006-21iostat_ios22:00:200
1845999331,30cyclictest0-21swapper/021:48:360
1845999331,29cyclictest0-21swapper/021:57:150
1845999331,29cyclictest0-21swapper/020:05:350
276082321,5sleep00-21swapper/023:24:590
196882321,4sleep019706-21ntp_states20:50:240
1845999327,13cyclictest24482-21awk21:40:290
1845999323,4cyclictest81rcu_preempt23:25:320
1845999322,27cyclictest0-21swapper/020:10:590
1845999321,4cyclictest81rcu_preempt22:47:240
18459993212,6cyclictest18763-21hddtemp_smartct23:15:170
272592311,24sleep027278-21hostname19:45:180
1845999314,4cyclictest81rcu_preempt21:26:470
1845999313,4cyclictest81rcu_preempt23:52:510
1845999311,4cyclictest81rcu_preempt23:11:270
1845999311,4cyclictest81rcu_preempt22:50:080
18459993111,7cyclictest0-21swapper/023:30:100
164782311,5sleep00-21swapper/020:41:200
129772311,5sleep00-21swapper/020:34:080
82062301,4sleep08290-21memory20:20:220
224482301,5sleep00-21swapper/020:59:540
1845999302,4cyclictest81rcu_preempt23:06:000
1845999302,4cyclictest81rcu_preempt00:24:070
18459993011,7cyclictest24602-21aten_r4power_po21:05:110
18459993011,7cyclictest0-21swapper/020:18:030
1845999297,12cyclictest40550irq/92-i91519:50:160
1845999294,18cyclictest11983-21diskstats00:15:160
18459992911,6cyclictest18014-21python20:45:280
18459992910,6cyclictest31583-21sort19:55:290
146102291,5sleep00-21swapper/020:36:370
143192291,5sleep00-21swapper/000:51:460
246672281,5sleep00-21swapper/019:39:410
263382271,5sleep00-21swapper/019:42:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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