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2026-02-11 - 03:07
[ 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 #7, slot #7

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 rack7slot7s.osadl.org (updated Wed Feb 11, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
998829280,8sleep20-21swapper/219:07:192
924728167,9sleep30-21swapper/319:05:243
1010428059,6sleep10-21swapper/119:08:501
806827967,8sleep00-21swapper/019:05:130
10268992726,1cyclictest0-21swapper/123:49:021
1027999242,15cyclictest0-21swapper/300:35:143
1026899241,21cyclictest3722-21diskmemload23:33:161
1026899240,19cyclictest0-21swapper/100:27:201
1027599230,23cyclictest0-21swapper/222:18:202
1027599230,22cyclictest0-21swapper/221:11:062
1026899231,3cyclictest0-21swapper/100:35:131
1026899230,1cyclictest24181-21/usr/sbin/munin22:00:131
1026899220,2cyclictest0-21swapper/122:24:231
1026899220,1cyclictest0-21swapper/123:23:151
1027599210,20cyclictest0-21swapper/222:23:382
1027599210,1cyclictest0-21swapper/223:38:152
10268992119,1cyclictest0-21swapper/122:35:151
1026899210,1cyclictest0-21swapper/122:11:221
1026699210,3cyclictest0-21swapper/023:41:360
10268992020,0cyclictest0-21swapper/100:16:551
10268992019,1cyclictest0-21swapper/121:56:361
1026899200,20cyclictest0-21swapper/122:05:201
114602190,0chrt11459-21ntp_kernel_pll_22:30:190
1027599196,4cyclictest10264-21cyclictest23:13:582
1027599194,2cyclictest225-21systemd-journal23:21:472
1027599190,19cyclictest0-21swapper/223:45:582
1027599190,19cyclictest0-21swapper/221:41:392
1027599190,18cyclictest0-21swapper/222:10:382
1027999184,7cyclictest0-21swapper/322:30:123
1027599180,18cyclictest0-21swapper/221:55:502
1027599180,18cyclictest0-21swapper/200:05:582
1027599180,0cyclictest0-21swapper/223:06:442
10268991817,1cyclictest0-21swapper/100:00:431
10266991817,1cyclictest0-21swapper/023:30:120
1026699180,15cyclictest0-21swapper/023:55:130
103362170,0sleep20-21swapper/222:30:142
10279991715,1cyclictest39-21ksoftirqd/300:16:013
1027999170,1cyclictest0-21swapper/322:01:563
1027599170,17cyclictest0-21swapper/221:39:392
1027599170,16cyclictest0-21swapper/222:45:212
1027599170,15cyclictest0-21swapper/223:04:442
1026699170,3cyclictest0-21swapper/000:11:360
1027999169,3cyclictest4336-21ssh21:10:123
10279991614,2cyclictest0-21swapper/322:11:543
1027999161,0cyclictest141rcu_preempt23:03:153
1027999160,1cyclictest141rcu_preempt00:08:123
1027599164,11cyclictest28385-21rm23:18:532
10275991615,1cyclictest0-21swapper/200:20:232
1027599160,16cyclictest0-21swapper/200:01:312
1027599160,15cyclictest0-21swapper/223:52:132
1026899163,1cyclictest3722-21diskmemload23:51:141
10266991615,1cyclictest0-21swapper/023:07:500
10279991514,1cyclictest0-21swapper/323:26:133
10275991514,1cyclictest0-21swapper/222:02:342
1027599150,15cyclictest0-21swapper/219:30:202
1026899152,12cyclictest3722-21diskmemload21:35:361
10268991512,2cyclictest0-21swapper/100:11:171
10268991511,1cyclictest0-21swapper/121:15:141
1026899150,13cyclictest0-21swapper/123:57:011
1026899150,0cyclictest0-21swapper/100:07:431
10266991513,1cyclictest0-21swapper/023:38:150
1027999142,3cyclictest141rcu_preempt22:07:163
1027999142,12cyclictest0-21swapper/323:08:343
10279991413,1cyclictest39-21ksoftirqd/321:05:213
10279991411,2cyclictest28344-21cut19:45:193
10279991410,3cyclictest5171-21sed22:45:263
1027999140,2cyclictest141rcu_preempt21:47:223
1027999140,2cyclictest141rcu_preempt21:47:223
1027599149,2cyclictest14503-21munin-plugin-st23:30:002
1027599145,8cyclictest32298-21sh21:25:562
1027599140,14cyclictest0-21swapper/222:44:042
1027599140,14cyclictest0-21swapper/200:34:042
1027599140,11cyclictest0-21swapper/221:19:142
1026899146,4cyclictest225-21systemd-journal23:05:001
10268991412,1cyclictest0-21swapper/119:25:151
10268991411,2cyclictest14309-21apache200:33:511
10268991411,1cyclictest0-21swapper/123:44:211
10268991410,3cyclictest20639-21ssh22:55:161
1026699143,2cyclictest0-21swapper/000:23:190
1026699142,4cyclictest24938-21fschecks_time22:00:170
1026699141,7cyclictest0-21swapper/000:09:590
1026699141,1cyclictest0-21swapper/000:28:480
10266991411,2cyclictest24443-21sh23:54:560
1026699140,1cyclictest141rcu_preempt22:27:200
1026699140,1cyclictest0-21swapper/021:22:050
1026699140,11cyclictest20527-21apache_volume19:30:140
1027999136,6cyclictest15105-21apache221:51:073
10279991312,1cyclictest381rcuc/319:25:243
10279991310,2cyclictest8072-21grep20:10:183
10279991310,2cyclictest16287-21df21:55:163
1027999130,3cyclictest0-21swapper/300:11:543
1027999130,1cyclictest141rcu_preempt23:53:293
1027999130,13cyclictest0-21swapper/321:28:373
10275991311,1cyclictest0-21swapper/223:42:482
10275991310,2cyclictest8053-21cut21:50:152
10275991310,2cyclictest31838-21taskset23:59:072
10275991310,2cyclictest28773-21head19:45:222
10275991310,2cyclictest27765-21wc00:15:192
10275991310,2cyclictest13848-21cat19:15:172
1027599130,3cyclictest0-21swapper/200:11:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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