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2026-01-29 - 21:28
[ 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 #3, 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 rack3slot3s.osadl.org (updated Thu Jan 29, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1465321212755,64sleep30-21swapper/307:09:253
17535342970,2sleep30-21swapper/310:41:403
146523729363,10sleep20-21swapper/207:08:202
146504928959,10sleep10-21swapper/107:05:541
146504228152,6sleep00-21swapper/007:05:490
1465494992921,5cyclictest16631972sleep309:50:013
1465494992722,2cyclictest0-21swapper/309:20:203
1465494992522,1cyclictest0-21swapper/312:35:153
1465494992522,1cyclictest0-21swapper/307:38:593
1465494992420,2cyclictest0-21swapper/311:05:133
1465494992320,1cyclictest0-21swapper/311:45:173
1465494992320,1cyclictest0-21swapper/311:40:013
1465494992319,2cyclictest0-21swapper/310:20:183
1465494992318,2cyclictest0-21swapper/310:05:203
146549499231,18cyclictest1888676-21taskset12:01:413
146549499223,13cyclictest1813136-21taskset11:16:593
1465494992218,2cyclictest0-21swapper/310:55:273
1465494992216,3cyclictest0-21swapper/312:20:173
146549499218,9cyclictest1629245-21turbostat09:30:003
146549499212,13cyclictest1730083-21taskset10:29:013
146549499212,13cyclictest1645179-21taskset09:38:303
1465494992118,1cyclictest0-21swapper/308:35:013
1465494992118,1cyclictest0-21swapper/307:45:003
1465494992117,2cyclictest0-21swapper/312:25:153
1465494992117,2cyclictest0-21swapper/308:55:013
146549499211,15cyclictest1941424-21turbostat12:35:003
146549499211,15cyclictest1654706-21sleep09:44:593
18158152200,15sleep21595560-21diskmemload11:20:042
16723202202,5sleep01595560-21diskmemload09:55:120
16296672206,8sleep21629894-21df09:30:112
146549499202,14cyclictest1782293-21chrt11:00:123
146549499202,12cyclictest1839175-21taskset11:32:553
146549499202,12cyclictest1686393-21taskset10:01:313
146549499202,12cyclictest1629895-21taskset09:30:123
146549499202,12cyclictest1604316-21taskset09:15:093
1465494992016,2cyclictest0-21swapper/311:55:013
146549499201,16cyclictest0-21swapper/310:35:223
146549499201,14cyclictest0-21swapper/310:50:103
146549499200,17cyclictest67150irq/132-enp1s0-TxRx-312:06:423
17135122193,6sleep11713105-21kworker/u16:2+nfsiod10:19:221
16870542191,2sleep10-21swapper/110:02:301
16676452191,12sleep11667697-21ntpq09:50:201
16123622190,4sleep01612408-21idleruntime-cro09:20:000
1465494991916,1cyclictest0-21swapper/309:11:223
1465494991916,1cyclictest0-21swapper/307:25:133
1465494991916,1cyclictest0-21swapper/307:10:253
1465494991915,2cyclictest0-21swapper/310:15:163
1465494991915,2cyclictest0-21swapper/308:55:153
146549499191,15cyclictest0-21swapper/310:12:203
146549499191,14cyclictest1821278-21chrt11:21:083
146549499191,14cyclictest0-21swapper/311:55:473
146549499191,14cyclictest0-21swapper/309:57:093
146549499191,14cyclictest0-21swapper/309:52:213
146549499191,13cyclictest0-21swapper/307:45:103
146549499191,12cyclictest1735083-21taskset10:30:173
146549499191,12cyclictest1483650-21taskset07:24:553
146549499191,12cyclictest1483650-21taskset07:24:553
146549499191,11cyclictest1798772-21taskset11:10:103
18916912181,11sleep21891914-21hddtemp_smartct12:05:142
18462052181,8sleep134-21ksoftirqd/111:35:541
17906162181,4sleep21595560-21diskmemload11:05:132
17023832181,4sleep01595560-21diskmemload10:10:310
1465494991816,1cyclictest0-21swapper/308:50:013
1465494991815,1cyclictest0-21swapper/312:15:203
1465494991815,1cyclictest0-21swapper/308:35:263
1465494991815,1cyclictest0-21swapper/308:15:213
1465494991815,1cyclictest0-21swapper/307:50:133
146549499181,14cyclictest0-21swapper/312:10:223
18971392171,3sleep00-21swapper/012:06:480
18406352171,4sleep11595560-21diskmemload11:34:581
18315872171,4sleep11595560-21diskmemload11:28:561
17714882171,7sleep01771501-21ssh10:52:480
17557522171,10sleep01595560-21diskmemload10:44:500
17218362171,3sleep10-21swapper/110:24:191
16360202171,3sleep00-21swapper/009:32:390
14790522171,4sleep21479158-21irqstats07:20:142
14790522171,4sleep21479158-21irqstats07:20:142
146549499172,11cyclictest1854330-21taskset11:40:323
146549499171,13cyclictest0-21swapper/311:25:013
146549499171,13cyclictest0-21swapper/310:45:323
146549499171,13cyclictest0-21swapper/307:30:203
146549499170,13cyclictest0-21swapper/308:10:133
19483462161,8sleep01595560-21diskmemload12:37:550
19408622161,11sleep11940876-21ssh12:34:151
19203652161,4sleep11920542-21grep12:20:201
18129642161,4sleep01595560-21diskmemload11:16:450
17860422161,10sleep11786100-21ntpq11:00:191
17058402161,2sleep00-21swapper/010:15:030
16184392161,2sleep20-21swapper/209:21:412
1465494991613,1cyclictest0-21swapper/307:55:183
1465494991612,2cyclictest0-21swapper/307:17:153
146549499161,10cyclictest1553022-21turbostat08:30:003
146549499161,10cyclictest1547538-21taskset08:22:303
146549499160,13cyclictest0-21swapper/308:05:223
18648222151,4sleep21595560-21diskmemload11:48:372
18619632152,7sleep11862019-21ntpq11:45:201
18326182151,8sleep01595560-21diskmemload11:30:080
18238152151,6sleep01823826-21diskmemload11:24:470
16876002151,9sleep01595560-21diskmemload10:03:170
16605112151,8sleep01595560-21diskmemload09:46:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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