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2026-01-13 - 14:04
[ 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 highest latencies:
System rack9slot4s (updated Tue Jan 13, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178569912661226,34cyclictest19879-21latency_hist19:30:011
178559912311197,29cyclictest0-21swapper/019:25:040
178569911381092,33cyclictest17959-21latency_hist19:25:011
177732562516,31sleep00-21swapper/019:24:420
225852970,4sleep10-21swapper/100:27:411
138482920,3sleep10-21swapper/122:38:551
245932810,4sleep041ktimersoftd/023:55:540
137502580,7sleep11785699cyclictest21:31:191
75112560,2sleep17512-21rm21:59:021
76632550,6sleep117853-21cyclictest00:12:081
289002550,2sleep028904-21cut22:20:280
1785699464,39cyclictest0-21swapper/122:34:551
51102420,7sleep11785699cyclictest23:35:461
253772420,7sleep11785699cyclictest00:30:231
1785599419,28cyclictest0-21swapper/022:47:160
129212400,8sleep01785599cyclictest23:45:010
1785599391,18cyclictest0-21swapper/022:02:380
17856993829,5cyclictest0-21swapper/123:09:361
17856993816,11cyclictest81rcu_preempt21:35:101
168632370,2sleep116862-21turbostat20:50:001
1785699361,4cyclictest81rcu_preempt23:50:181
17856993611,4cyclictest22-21ksoftirqd/122:10:281
1785599363,29cyclictest0-21swapper/000:18:360
1785599361,22cyclictest24388-21diskmemload22:42:330
1785599361,12cyclictest30750-21cat21:15:270
17855993610,13cyclictest5189-21/usr/sbin/munin22:30:210
1785699353,30cyclictest0-21swapper/120:03:561
17856993520,4cyclictest22-21ksoftirqd/123:42:201
1785699351,11cyclictest311102ssh21:15:431
1785599352,29cyclictest0-21swapper/000:13:560
1785599352,19cyclictest12276-21iostat_ios23:10:190
1785599351,7cyclictest2263-21ssh23:33:470
1785599351,31cyclictest0-21swapper/023:50:350
1785599351,22cyclictest25038-21ssh21:43:350
168422351,4sleep016851-21munin-run20:50:000
131582351,30sleep013250-21tr23:45:110
83362341,4sleep08346-21ssh00:46:190
270802341,29sleep127185-21/usr/sbin/munin21:45:241
269482342,28sleep126979-21ntp_states19:45:231
266632341,29sleep026674-21ssh22:51:250
216302341,30sleep021681-21fschecks_count23:20:160
1785699344,21cyclictest0-21swapper/121:29:481
17856993425,5cyclictest0-21swapper/121:40:551
17856993424,6cyclictest30327-21/usr/sbin/munin22:55:251
1785699341,5cyclictest2403-21irqbalance20:57:561
1785699341,5cyclictest18503-21ssh22:43:351
17855993426,5cyclictest0-21swapper/023:26:360
17855993426,5cyclictest0-21swapper/023:26:350
1785599342,4cyclictest0-21swapper/023:01:560
1785599342,29cyclictest0-21swapper/021:25:550
1785599342,19cyclictest7423-21iostat23:05:190
1785599341,29cyclictest3549-21ssh21:20:360
1785599341,14cyclictest5086-21/usr/sbin/munin20:15:250
140662341,29sleep12645-21snmpd23:11:581
117742341,4sleep111787-21diskmemload00:16:061
265882331,28sleep026609-21rm21:45:140
17856993326,5cyclictest0-21swapper/120:42:161
17856993324,4cyclictest22-21ksoftirqd/122:20:221
1785699332,28cyclictest0-21swapper/100:48:551
1785699331,6cyclictest1134-21ssh00:39:351
1785699331,4cyclictest24966-21ssh22:16:151
17856993313,4cyclictest81rcu_preempt22:51:501
1785599339,4cyclictest81rcu_preempt00:05:230
1785599339,11cyclictest0-21swapper/000:36:210
1785599336,4cyclictest81rcu_preempt20:05:150
1785599333,15cyclictest17129-21iostat_ios23:15:210
1785599332,28cyclictest0-21swapper/000:01:150
1785599331,20cyclictest28720-21ssh00:34:320
1785699325,5cyclictest81rcu_preempt23:55:161
17856993217,11cyclictest22-21ksoftirqd/123:45:171
1785699321,5cyclictest0-21swapper/119:38:161
1785699321,28cyclictest0-21swapper/123:21:361
1785599329,12cyclictest81rcu_preempt00:41:140
1785599325,4cyclictest81rcu_preempt22:58:100
1785599325,12cyclictest81rcu_preempt23:35:290
1785599324,25cyclictest0-21swapper/021:32:060
1785599323,16cyclictest0-21swapper/020:00:230
17855993222,6cyclictest26617-21ssh21:11:140
1785599321,29cyclictest0-21swapper/020:35:350
17855993212,6cyclictest780-21ssh21:51:280
1785599321,13cyclictest81rcu_preempt22:05:290
170852321,10sleep00-21swapper/000:21:460
217392311,5sleep10-21swapper/122:46:171
211992311,26sleep021213-21ssh00:25:420
1785699316,15cyclictest0-21swapper/100:51:341
1785699314,4cyclictest81rcu_preempt23:29:151
1785699314,4cyclictest81rcu_preempt23:29:141
17856993125,3cyclictest0-21swapper/120:21:051
1785699312,4cyclictest81rcu_preempt22:28:221
1785699311,4cyclictest81rcu_preempt21:54:181
1785699311,4cyclictest81rcu_preempt00:07:091
1785699311,27cyclictest0-21swapper/100:24:191
17856993112,4cyclictest40550irq/92-i91520:05:231
17856993111,16cyclictest31087-21cpu23:30:111
1785599313,4cyclictest81rcu_preempt19:50:010
17855993123,6cyclictest0-21swapper/021:57:560
17855993119,8cyclictest0-21swapper/022:12:360
1785599311,6cyclictest0-21swapper/000:50:520
17855993113,5cyclictest19713-21ntpq20:55:230
1785599311,18cyclictest26544-21sh22:18:310
146482311,5sleep00-21swapper/020:41:440
1785699306,4cyclictest81rcu_preempt23:00:161
1785699302,4cyclictest81rcu_preempt23:15:131
1785699301,5cyclictest81rcu_preempt22:00:201
17856993015,4cyclictest22-21ksoftirqd/122:06:521
1785699301,4cyclictest81rcu_preempt19:52:511
1785699301,16cyclictest13874-21users20:35:301
17856993011,4cyclictest81rcu_preempt21:20:271
1785599305,8cyclictest0-21swapper/022:27:510
1785599302,14cyclictest30512-21irqstats19:55:210
1785599301,15cyclictest18920-21seq21:36:480
45892291,5sleep00-21swapper/020:11:340
17856992923,3cyclictest0-21swapper/100:44:221
17856992922,5cyclictest0-21swapper/120:32:551
1785699291,25cyclictest0-21swapper/100:00:561
1785699291,15cyclictest26319-21ssh21:10:481
17856992911,4cyclictest22-21ksoftirqd/119:30:271
1785699290,4cyclictest81rcu_preempt20:15:031
1785599293,11cyclictest23549-21wc21:05:260
1785599292,23cyclictest7809-21ntp_states20:20:230
1785599292,15cyclictest22974-21iostat19:35:170
1785599291,25cyclictest111-21usb-storage22:36:060
1785599291,15cyclictest10737-21/usr/sbin/munin20:30:180
1785599291,14cyclictest21655-21timerwakeupswit19:30:270
314952281,5sleep10-21swapper/119:58:431
222232281,5sleep00-21swapper/021:02:080
182802281,5sleep00-21swapper/020:50:310
1785699283,4cyclictest81rcu_preempt21:09:401
1785699282,4cyclictest81rcu_preempt20:29:411
1785699282,4cyclictest81rcu_preempt19:40:471
1785699282,4cyclictest81rcu_preempt19:40:461
17856992821,4cyclictest17010-21/usr/sbin/munin20:50:161
17856992811,13cyclictest4587-21taskset20:11:311
17855992821,5cyclictest0-21swapper/019:54:560
1785599281,18cyclictest0-21swapper/019:44:580
1785599281,18cyclictest0-21swapper/019:44:570
101962281,5sleep00-21swapper/020:26:050
1785699273,12cyclictest0-21swapper/121:00:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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