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2026-02-05 - 04:59
[ 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 Thu Feb 05, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8769912561205,37cyclictest1180-21cpuspeed_turbos19:25:130
8779910961064,28cyclictest1127-21aten_r4power_vo19:25:121
8779910831060,8cyclictest2645-21snmpd21:10:251
4152556509,32sleep00-21swapper/019:20:430
4842510466,31sleep10-21swapper/119:21:281
876992701,3cyclictest0-21swapper/021:10:260
481521110,2sleep00-21swapper/021:38:580
319912910,9sleep187799cyclictest22:06:101
197192840,5sleep087699cyclictest21:54:280
63942780,4sleep1211ktimersoftd/121:40:171
130472780,5sleep087699cyclictest19:55:050
281522770,3sleep0111rcuc/022:35:290
75522570,5sleep10-21swapper/121:05:181
876994924,10cyclictest3-21ksoftirqd/000:04:150
876994619,11cyclictest3-21ksoftirqd/022:14:310
876994525,5cyclictest3-21ksoftirqd/023:29:090
876994525,5cyclictest3-21ksoftirqd/022:44:340
87699449,30cyclictest0-21swapper/000:45:170
876994424,5cyclictest3-21ksoftirqd/023:24:200
876994323,5cyclictest3-21ksoftirqd/000:32:290
876994226,4cyclictest3-21ksoftirqd/000:25:140
876994223,5cyclictest3-21ksoftirqd/023:34:270
876994221,5cyclictest3-21ksoftirqd/023:15:430
876994126,5cyclictest3-21ksoftirqd/023:45:150
876994123,6cyclictest3-21ksoftirqd/022:48:490
876994025,5cyclictest3-21ksoftirqd/023:15:020
876994025,5cyclictest3-21ksoftirqd/021:57:440
876994025,5cyclictest3-21ksoftirqd/000:09:530
876994024,5cyclictest3-21ksoftirqd/021:18:220
876994024,4cyclictest3-21ksoftirqd/000:10:280
876994023,6cyclictest3-21ksoftirqd/023:58:360
876994016,9cyclictest3893-21irqstats20:55:200
876994016,7cyclictest3-21ksoftirqd/023:05:180
876993924,4cyclictest3-21ksoftirqd/023:42:590
876993924,4cyclictest3-21ksoftirqd/023:35:010
876993924,4cyclictest3-21ksoftirqd/022:15:110
876993922,5cyclictest3-21ksoftirqd/022:29:410
876993921,8cyclictest3-21ksoftirqd/023:03:140
876993921,8cyclictest3-21ksoftirqd/022:59:440
876993919,5cyclictest3-21ksoftirqd/000:36:160
310092390,5sleep081rcu_preempt22:05:240
213202391,4sleep121330-21ssh21:22:041
876993823,5cyclictest3-21ksoftirqd/000:40:220
876993723,4cyclictest3-21ksoftirqd/022:02:180
876993722,5cyclictest3-21ksoftirqd/021:29:370
876993719,8cyclictest3-21ksoftirqd/000:51:510
93042360,5sleep1201rcuc/122:50:111
87799365,5cyclictest81rcu_preempt23:10:261
877993627,5cyclictest28827-21ssh00:16:151
87699362,5cyclictest27171-21df_inode00:15:150
876993621,5cyclictest3-21ksoftirqd/020:51:410
876993620,5cyclictest3-21ksoftirqd/022:33:370
876993620,5cyclictest3-21ksoftirqd/021:48:160
876993619,6cyclictest3-21ksoftirqd/023:50:530
876993619,5cyclictest3-21ksoftirqd/021:01:060
876993618,8cyclictest3-21ksoftirqd/021:33:030
876993618,8cyclictest3-21ksoftirqd/021:33:020
876993617,9cyclictest3-21ksoftirqd/022:54:210
876993611,4cyclictest7323-1kworker/0:2H22:20:260
87799357,5cyclictest81rcu_preempt22:29:201
87799352,29cyclictest24205-21ssh00:11:351
877993512,4cyclictest81rcu_preempt23:52:151
876993520,5cyclictest3-21ksoftirqd/021:23:520
876993516,8cyclictest3-21ksoftirqd/021:42:170
182392350,2sleep118238-21sendmail_mailqu00:05:261
161872351,29sleep116199-21ssh21:50:211
87799346,4cyclictest81rcu_preempt23:26:571
87799346,24cyclictest0-21swapper/123:06:551
87799345,26cyclictest26512-21kworker/u4:200:26:161
87799344,26cyclictest32086-21ssh21:33:371
87799344,26cyclictest32086-21ssh21:33:361
87799343,4cyclictest81rcu_preempt22:40:311
87799343,4cyclictest81rcu_preempt21:46:201
87799342,29cyclictest0-21swapper/121:59:351
87799341,29cyclictest5811-21/usr/sbin/munin23:20:161
876993418,6cyclictest3-21ksoftirqd/020:02:510
87699341,20cyclictest22003-21sh20:17:000
72412341,4sleep17360-21latency_hist19:40:011
321812341,4sleep032342-21perl20:45:170
194482341,29sleep119454-21irqstats00:40:211
87799336,4cyclictest81rcu_preempt21:35:161
87799335,4cyclictest81rcu_preempt22:01:471
87799334,4cyclictest81rcu_preempt00:32:161
87799334,25cyclictest1968-21lldpad23:17:381
87799331,4cyclictest81rcu_preempt00:20:311
87799331,29cyclictest0-21swapper/120:30:161
87799331,29cyclictest0-21swapper/120:16:161
87799331,29cyclictest0-21swapper/120:04:161
87799331,29cyclictest0-21swapper/100:38:561
876993318,5cyclictest3-21ksoftirqd/000:21:400
87799326,4cyclictest81rcu_preempt19:54:581
87799325,5cyclictest81rcu_preempt22:10:221
87799323,5cyclictest81rcu_preempt23:40:161
87799323,3cyclictest81rcu_preempt21:19:121
87799322,4cyclictest81rcu_preempt21:27:511
877993222,6cyclictest29798-21ssh22:37:391
87799322,12cyclictest284142awk00:50:241
877993216,11cyclictest5104-21ls21:00:001
87799321,4cyclictest81rcu_preempt22:21:471
87799321,4cyclictest81rcu_preempt19:43:141
87799321,29cyclictest0-21swapper/120:26:551
87699321,13cyclictest80212awk21:05:280
302852321,27sleep030291-21diskstats20:40:150
236762321,5sleep123690-21ssh23:38:121
87799314,4cyclictest81rcu_preempt23:45:071
87799314,4cyclictest81rcu_preempt22:16:261
87799312,4cyclictest81rcu_preempt22:31:381
87799311,4cyclictest81rcu_preempt23:30:591
87799311,4cyclictest81rcu_preempt22:47:031
87799311,27cyclictest111-21usb-storage23:58:321
87699314,24cyclictest0-21swapper/019:30:540
87699312,10cyclictest6366-21ntp_states19:35:250
876993116,5cyclictest3-21ksoftirqd/020:26:310
87799305,4cyclictest81rcu_preempt19:49:021
87799302,4cyclictest81rcu_preempt00:03:111
87799301,8cyclictest14886-21ssh22:55:241
87799301,4cyclictest81rcu_preempt20:42:461
876993013,6cyclictest3-21ksoftirqd/020:11:480
876993013,6cyclictest3-21ksoftirqd/020:11:480
876993013,6cyclictest3-21ksoftirqd/020:05:390
87799293,22cyclictest0-21swapper/100:45:261
87799291,4cyclictest81rcu_preempt23:00:311
87799291,4cyclictest81rcu_preempt20:24:141
87799291,26cyclictest0-21swapper/121:00:361
87799291,15cyclictest3244-21aten_r4power_cu19:30:021
87799291,15cyclictest18661-21latency_hist20:10:001
87699296,19cyclictest0-21swapper/020:36:100
108702291,5sleep00-21swapper/019:48:320
877992818,6cyclictest28851-21needreboot20:35:201
877992815,10cyclictest22-21ksoftirqd/120:54:211
87799281,4cyclictest81rcu_preempt19:56:291
876992812,4cyclictest0-21swapper/019:44:440
87799272,9cyclictest3302-21runrttasks20:47:391
87699271,13cyclictest27761-21chrt20:33:080
87799263,4cyclictest81rcu_preempt20:10:511
87799263,4cyclictest81rcu_preempt20:10:511
87699261,8cyclictest3-21ksoftirqd/019:50:280
87699261,13cyclictest22761-21df20:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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