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2026-01-20 - 16:30
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Tue Jan 20, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7002238163,24sleep20-21swapper/207:09:202
4482238164,23sleep30-21swapper/307:06:163
6602202170,21sleep10-21swapper/107:08:511
4502202163,26sleep00-21swapper/007:06:160
91699108104,3cyclictest0-21swapper/208:18:422
91699104100,3cyclictest0-21swapper/209:32:032
916999793,3cyclictest0-21swapper/212:03:212
916998076,3cyclictest0-21swapper/210:47:572
916997268,3cyclictest0-21swapper/210:04:252
916997067,2cyclictest0-21swapper/208:08:272
916996662,3cyclictest0-21swapper/207:25:292
916995854,3cyclictest0-21swapper/212:30:522
58132580,3sleep10-21swapper/112:10:251
61332540,1sleep16132-21latency09:45:181
244242530,3sleep00-21swapper/010:25:270
916994945,3cyclictest0-21swapper/208:10:252
907993724,3cyclictest0-21swapper/111:19:441
90399379,13cyclictest3461-21basename10:55:010
90799361,14cyclictest20129-21ntp_states11:30:201
143062350,3sleep2311ktimersoftd/207:35:242
90799341,22cyclictest19142-40dnf07:49:521
92399331,12cyclictest26065-21cpuspeed_turbos08:05:123
90399336,12cyclictest3114-21awk07:15:010
90399335,12cyclictest23580-21idleruntime-cro08:00:010
90799321,12cyclictest9011-21unixbench_singl09:50:281
92399316,2cyclictest0-21swapper/310:15:123
923993119,2cyclictest0-21swapper/311:20:163
92399311,13cyclictest0-21swapper/309:14:203
90799315,18cyclictest0-21swapper/112:02:581
90799300,11cyclictest0-21swapper/107:12:021
65142300,4sleep230-21rcuc/209:45:232
923992912,7cyclictest0-21swapper/310:40:243
92399291,12cyclictest0-21swapper/309:44:143
92399291,11cyclictest29881-21ntp_states09:25:203
90799291,11cyclictest0-21swapper/109:38:161
90799291,10cyclictest0-21swapper/110:57:251
90799290,11cyclictest0-21swapper/107:21:361
130692290,2sleep10-21swapper/110:00:221
92399288,8cyclictest13686-21kworker/u8:010:09:483
90799281,10cyclictest0-21swapper/107:27:221
90399283,12cyclictest8483-21basename12:20:010
92399271,10cyclictest0-21swapper/308:15:203
90799271,9cyclictest0-21swapper/111:49:481
90799270,22cyclictest0-21swapper/111:44:041
90799270,22cyclictest0-21swapper/111:44:041
90799270,11cyclictest0-21swapper/109:25:001
90799270,11cyclictest0-21swapper/109:11:361
90399279,15cyclictest20425-21basename10:20:010
92399261,13cyclictest0-21swapper/309:51:313
92399261,12cyclictest0-21swapper/311:59:413
90799267,3cyclictest0-21swapper/110:46:241
90799261,9cyclictest0-21swapper/110:07:561
907992611,3cyclictest0-21swapper/111:13:481
90799261,12cyclictest0-21swapper/112:30:121
90799261,10cyclictest0-21swapper/107:58:121
90399268,15cyclictest27970-21munin-run08:10:010
90399261,17cyclictest3538-21fschecks_time09:40:150
90399261,11cyclictest0-21swapper/007:30:010
92399256,2cyclictest0-21swapper/309:20:163
92399251,13cyclictest0-21swapper/310:23:403
92399251,10cyclictest16537-21memory08:55:203
91699251,7cyclictest0-21swapper/212:23:002
91699251,5cyclictest2251-21expr12:05:122
90799256,3cyclictest0-21swapper/110:30:561
90799251,9cyclictest0-21swapper/111:25:121
90799251,13cyclictest0-21swapper/109:27:001
90799250,19cyclictest0-21swapper/112:15:111
92399243,11cyclictest0-21swapper/312:31:403
92399241,2cyclictest87350irq/128-enp1s0-07:56:533
92399241,11cyclictest7505-21hddtemp_smartct08:35:163
92399240,5cyclictest0-21swapper/308:20:173
90799247,3cyclictest0-21swapper/108:44:241
90799246,3cyclictest0-21swapper/108:45:201
90799245,3cyclictest0-21swapper/110:41:041
90799245,2cyclictest21994-21diskmemload10:24:321
90799241,9cyclictest0-21swapper/110:36:041
90799241,8cyclictest16686-21ntp_states08:55:231
90799241,8cyclictest0-21swapper/108:54:111
90799241,22cyclictest0-21swapper/109:02:591
907992412,11cyclictest13686-21kworker/u8:010:13:481
90799240,9cyclictest0-21swapper/112:08:201
90799240,18cyclictest0-21swapper/110:18:171
90799240,14cyclictest0-21swapper/108:14:561
90399246,15cyclictest16033-21idleruntime-cro10:10:000
92399236,3cyclictest7011-21grep11:00:223
92399233,3cyclictest0-21swapper/309:36:363
92399231,14cyclictest0-21swapper/311:50:493
92399231,13cyclictest0-21swapper/311:06:203
92399231,12cyclictest0-21swapper/312:10:203
92399231,11cyclictest0-21swapper/307:16:303
90799237,3cyclictest0-21swapper/107:15:221
90799232,3cyclictest0-21swapper/111:07:331
907992312,3cyclictest0-21swapper/111:56:441
90799231,19cyclictest16501-21sed07:40:231
90799231,16cyclictest0-21swapper/108:16:331
90799231,16cyclictest0-21swapper/108:01:491
90799231,16cyclictest0-21swapper/108:01:491
90799231,13cyclictest0-21swapper/108:37:561
90799231,10cyclictest0-21swapper/111:22:021
90799231,10cyclictest0-21swapper/110:27:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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