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2026-02-11 - 01:00
[ 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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Tue Feb 10, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2928321030,3sleep20-21swapper/210:51:082
232732990,3sleep00-21swapper/012:01:090
232732990,3sleep00-21swapper/012:01:090
247642930,2chrt0-21swapper/310:36:213
247642930,2chrt0-21swapper/310:36:213
247642930,2chrt0-21swapper/310:36:213
268402920,2sleep0221irq_work/012:11:100
268402920,2sleep0221irq_work/012:11:100
305242910,3sleep30-21swapper/309:26:143
305242910,3sleep30-21swapper/309:26:143
149532900,2chrt0-21swapper/208:46:092
149532900,2chrt0-21swapper/208:46:092
175872870,3sleep30-21swapper/307:26:103
175872870,3sleep30-21swapper/307:26:103
155372870,3sleep30-21swapper/311:41:103
305682850,2sleep10-21swapper/108:01:101
287082830,3sleep20-21swapper/209:21:192
19412810,4chrt0-21swapper/212:31:092
19412810,4chrt0-21swapper/212:31:092
251012770,2chrt25102-21mailstats09:11:200
251012770,2chrt25102-21mailstats09:11:200
251012770,2chrt25102-21mailstats09:11:200
143012770,1sleep00-21swapper/011:36:120
143012770,1sleep00-21swapper/011:36:120
143012770,1sleep00-21swapper/011:36:120
178442750,2sleep20-21swapper/210:21:012
178442750,2sleep20-21swapper/210:21:012
212262720,3chrt0-21swapper/311:56:093
212262720,3chrt0-21swapper/311:56:093
212262720,3chrt0-21swapper/311:56:093
269762700,3sleep20-21swapper/207:51:102
71572670,2sleep07159-21switchtime11:16:180
71572670,2sleep07159-21switchtime11:16:180
71572670,2sleep07159-21switchtime11:16:180
92812660,3sleep30-21swapper/309:56:133
92812660,3sleep30-21swapper/309:56:133
227782660,3sleep10-21swapper/112:00:571
227782660,3sleep10-21swapper/112:00:571
227782660,3sleep10-21swapper/112:00:571
16422650,13sleep0201rcuc/009:36:120
16422650,13sleep0201rcuc/009:36:120
325512610,3sleep30-21swapper/312:26:123
325512610,3sleep30-21swapper/312:26:123
141702610,1sleep30-21swapper/308:41:203
141702610,1sleep30-21swapper/308:41:203
118382610,3chrt0-21swapper/308:36:173
118382610,3chrt0-21swapper/308:36:173
208742560,3sleep20-21swapper/210:26:192
208742560,3sleep20-21swapper/210:26:192
290712530,3sleep30-21swapper/312:16:113
290712530,3sleep30-21swapper/312:16:113
26852490,3sleep20-21swapper/211:06:122
26852490,3sleep20-21swapper/211:06:122
241832490,2sleep20-21swapper/209:11:102
241832490,2sleep20-21swapper/209:11:102
241832490,2sleep20-21swapper/209:11:102
11857994941,4cyclictest700-21192.168.115.40-manager08:46:511
11857994941,4cyclictest700-21192.168.115.40-manager08:46:511
46032480,3sleep0171ktimers/012:36:180
46032480,3sleep0171ktimers/012:36:180
46032480,3sleep0171ktimers/012:36:180
43292480,3sleep30-21swapper/308:16:153
43292480,3sleep30-21swapper/308:16:153
313642480,3sleep20-21swapper/208:01:192
270872480,3sleep30-21swapper/307:51:113
11857994820,11cyclictest8356-21taskset09:55:261
11857994820,11cyclictest8356-21taskset09:55:261
325122470,3sleep30-21swapper/309:31:173
11857994720,12cyclictest32596-21idleruntime08:06:101
45892460,3chrt0-21swapper/208:16:182
45892460,3chrt0-21swapper/208:16:182
130422460,3sleep20-21swapper/210:06:132
130422460,3sleep20-21swapper/210:06:132
11857994636,7cyclictest700-21192.168.115.40-manager08:12:161
11857994634,9cyclictest700-21192.168.115.40-manager09:19:301
11857994634,9cyclictest700-21192.168.115.40-manager09:19:301
11857994622,13cyclictest18789-21taskset11:47:541
11857994622,13cyclictest18789-21taskset11:47:541
11857994620,9cyclictest23726-21seq09:08:301
11857994620,9cyclictest23726-21seq09:08:301
6612450,3sleep30-21swapper/311:01:103
6612450,3sleep30-21swapper/311:01:103
11857994534,9cyclictest700-21192.168.115.40-manager08:40:591
11857994534,9cyclictest700-21192.168.115.40-manager08:40:591
11857994534,8cyclictest700-21192.168.115.40-manager08:44:001
11857994534,8cyclictest700-21192.168.115.40-manager08:44:001
11857994520,10cyclictest26425-21taskset12:10:041
11857994520,10cyclictest26425-21taskset12:10:041
11857994520,10cyclictest26425-21taskset12:10:041
11857994519,11cyclictest5304-21taskset12:40:371
11857994519,11cyclictest5304-21taskset12:40:371
11857994519,11cyclictest5304-21taskset12:40:371
11857994431,9cyclictest700-21192.168.115.40-manager07:33:411
11857994431,9cyclictest700-21192.168.115.40-manager07:33:411
11857994420,8cyclictest15131-21taskset11:39:041
11857994420,8cyclictest15131-21taskset11:39:041
11857994420,8cyclictest15131-21taskset11:39:041
11857994419,7cyclictest700-21192.168.115.40-manager09:42:121
11857994419,7cyclictest700-21192.168.115.40-manager09:42:121
11857994419,17cyclictest30732-21seq10:54:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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