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2026-03-08 - 04:11
[ 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 the 792 highest latencies:
System rack9slot4s (updated Sun Mar 08, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59529911171107,7cyclictest0-21swapper/119:26:121
59519911171107,7cyclictest0-21swapper/019:26:040
54902692644,32sleep10-21swapper/119:20:461
58632534468,50sleep00-21swapper/019:24:380
166862820,3sleep10-21swapper/119:50:181
83802780,3sleep08381-21sh23:17:460
83802780,3sleep08381-21sh23:17:460
5952996510,13cyclictest0-21swapper/123:16:011
5952996510,13cyclictest0-21swapper/123:16:011
595299642,57cyclictest0-21swapper/123:11:351
5952995925,5cyclictest2309-21cron21:15:001
595299591,29cyclictest12347-21kworker/1:400:29:351
595299571,9cyclictest7043-21ssh21:35:281
595299562,6cyclictest0-21swapper/121:56:141
595299553,19cyclictest28914-21diskstats21:25:141
5952995525,5cyclictest32547-21ssh22:01:561
595299544,19cyclictest20575-21iostat_ios23:30:221
595299543,4cyclictest81rcu_preempt23:04:081
595299538,19cyclictest0-21swapper/122:14:551
595299532,6cyclictest7785-21ntp_kernel_err23:50:231
595299522,9cyclictest26508-21diskstats00:10:151
595299501,8cyclictest32395-21tune2fs00:50:151
595299501,5cyclictest0-21swapper/123:07:351
595299493,8cyclictest16851-21df00:00:151
5952994925,4cyclictest20470-21ssh00:37:011
595299491,8cyclictest29586-21aten_r4power_en23:40:111
595299491,8cyclictest27878-21python22:30:271
595299482,8cyclictest11327-21hddtemp_smartct21:40:171
5952994824,4cyclictest679-21ssh00:16:301
595299481,26cyclictest11994-21ssh23:20:591
5952994810,15cyclictest156732chrt19:46:571
595299472,8cyclictest21108-21iostat21:50:201
5952994724,4cyclictest14334-21ssh22:16:271
5952994723,5cyclictest0-21swapper/121:18:261
595299471,7cyclictest25369-21awk23:35:201
595299471,28cyclictest0-21swapper/123:26:291
221362470,5sleep041ktimersoftd/021:50:510
184362471,4sleep018500-21hddtemp_smartct19:55:170
5952994622,5cyclictest0-21swapper/100:06:311
595299460,4cyclictest81rcu_preempt19:30:491
595299451,7cyclictest339-21grep22:35:301
595299449,8cyclictest10675-21cpuspeed_turbos19:35:131
595299438,31cyclictest0-21swapper/122:05:351
595299432,9cyclictest4645-21ssh23:47:101
45792430,4sleep041ktimersoftd/023:14:170
595299421,8cyclictest12003-21ssh23:55:141
595199427,31cyclictest0-21swapper/021:11:160
595299411,9cyclictest25362-21cron20:15:001
199082410,10sleep0595199cyclictest00:36:120
5951994015,5cyclictest251802sshd22:28:110
5951993918,17cyclictest0-21swapper/022:21:560
595199381,23cyclictest7786-21ntp_kernel_err23:50:240
595199371,22cyclictest8465-21ssh21:37:050
230372370,7sleep0595199cyclictest23:32:590
595299361,30cyclictest21589-21ssh22:57:581
595199368,24cyclictest0-21swapper/021:59:070
595199363,31cyclictest0-21swapper/020:34:550
595199362,30cyclictest27851-21diskstats00:45:160
5952993525,7cyclictest0-21swapper/120:32:001
595299352,29cyclictest0-21swapper/122:24:561
595199358,14cyclictest28625-21sh22:31:110
595199355,5cyclictest81rcu_preempt21:19:340
595199353,6cyclictest81rcu_preempt23:42:140
595199352,29cyclictest0-21swapper/023:27:160
45542351,30sleep04565-21ssh23:47:030
595299347,13cyclictest81rcu_preempt20:20:001
595299341,7cyclictest81rcu_preempt20:20:431
595199349,12cyclictest1490-21fschecks_time21:30:160
595199342,5cyclictest0-21swapper/021:29:550
5951993412,3cyclictest0-21swapper/023:20:490
595199341,14cyclictest244372sh00:40:440
32462341,4sleep03261-21iostat_ios22:05:210
595299335,4cyclictest81rcu_preempt00:21:071
595299334,4cyclictest81rcu_preempt21:46:311
595299333,4cyclictest81rcu_preempt22:47:401
595299332,4cyclictest0-21swapper/100:33:361
595199339,12cyclictest3302-21runrttasks20:39:230
595199335,4cyclictest81rcu_preempt22:00:530
595199333,28cyclictest0-21swapper/019:43:360
595199333,13cyclictest2206-21dbus-daemon21:20:350
595199332,15cyclictest12644-21ntp_states23:55:240
595199331,9cyclictest7646-21cstates22:10:130
5951993315,15cyclictest3-21ksoftirqd/000:27:420
5951993313,5cyclictest0-21swapper/021:41:220
595199331,30cyclictest0-21swapper/020:54:160
595199331,30cyclictest0-21swapper/019:52:560
595199331,20cyclictest30765-21runrttasks20:27:210
170752331,4sleep017089-21ssh21:45:320
145552331,28sleep014559-21diskstats19:45:180
595299321,4cyclictest81rcu_preempt22:44:381
5951993223,5cyclictest23988-21grep20:10:160
595199322,20cyclictest0-21swapper/022:54:500
595199322,15cyclictest26047-21ssh23:35:310
5951993219,8cyclictest4308-21df22:40:130
595199321,5cyclictest0-21swapper/020:20:560
5951993213,7cyclictest0-21swapper/019:30:020
595199321,28cyclictest0-21swapper/022:36:360
595199321,28cyclictest0-21swapper/000:07:560
289832321,4sleep029020-21ntp_states23:05:240
595299314,4cyclictest81rcu_preempt22:29:381
5952993124,5cyclictest0-21swapper/121:32:551
5952993121,7cyclictest13743-21diskmemload22:54:241
595299311,8cyclictest7567-21grep20:50:291
595299311,4cyclictest81rcu_preempt00:47:001
595199317,20cyclictest13743-21diskmemload00:33:080
5951993123,4cyclictest13052sleep000:51:160
5951993121,6cyclictest2279-21ssh00:18:480
5951993118,9cyclictest3-21ksoftirqd/000:10:160
595199311,4cyclictest81rcu_preempt22:47:570
595199311,28cyclictest0-21swapper/021:06:560
244362310,8sleep1595299cyclictest00:40:441
595299305,18cyclictest22607-21ntp_states20:05:251
5952993017,7cyclictest20201-21diskstats20:00:151
5952993017,7cyclictest20201-21diskstats20:00:151
595199303,15cyclictest0-21swapper/019:37:110
595199302,17cyclictest9510-21users20:55:300
5951993018,4cyclictest3-21ksoftirqd/022:15:150
595199301,4cyclictest81rcu_preempt22:56:030
595199301,4cyclictest81rcu_preempt20:00:140
595199301,4cyclictest81rcu_preempt20:00:140
595199301,4cyclictest81rcu_preempt00:02:400
595199301,3cyclictest81rcu_preempt20:44:570
5951993011,6cyclictest4935-21rm00:20:300
5951993011,6cyclictest11408-21users21:00:320
270312300,3sleep0111rcuc/023:03:520
244152290,3sleep10-21swapper/121:20:201
595299282,13cyclictest0-21swapper/121:10:011
595299281,4cyclictest81rcu_preempt20:47:541
595299281,18cyclictest0-21swapper/120:37:131
5951992811,5cyclictest26195-21latency20:15:210
96702271,5sleep10-21swapper/120:57:011
595299275,10cyclictest40550irq/92-i91520:40:171
595299272,11cyclictest19024-21python19:55:281
595199274,8cyclictest22078-21diskstats20:05:150
595199271,14cyclictest5422-21rt-features20:45:270
128792271,5sleep10-21swapper/119:40:191
595299263,18cyclictest10971-21ntp_states21:00:251
595299262,10cyclictest3302-21runrttasks20:26:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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