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2026-02-04 - 19:26
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #0, slot #5

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 rack0slot5.osadl.org (updated Wed Feb 04, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
8574519956015,45cyclictest0-21swapper/722:56:2113
85745199526525,1cyclictest839874-21kworker/7:1+i915-unordered21:37:2113
85743099501501,0cyclictest1031747-21kworker/1:2+i915-unordered22:29:211
85747599498468,30cyclictest0-21swapper/1219:50:214
85745999482480,2cyclictest1019092-21kworker/9:2+i915-unordered22:25:2115
85743099480449,31cyclictest0-21swapper/122:51:211
85747199478446,31cyclictest0-21swapper/1100:22:213
85743099478477,1cyclictest0-21swapper/122:25:211
85744099477476,1cyclictest713727-21kworker/4:5+i915-unordered19:50:2110
85745999474474,0cyclictest0-21swapper/922:29:2115
85743099469439,30cyclictest0-21swapper/123:49:211
85747599461461,0cyclictest0-21swapper/1220:41:214
85747599461461,0cyclictest0-21swapper/1220:41:214
8574269946125,30cyclictest0-21swapper/021:08:450
85748399458455,3cyclictest1802-21snmpd00:14:546
85743799458456,1cyclictest972714-21kworker/3:2+i915-unordered21:24:219
857464994560,59cyclictest0-21swapper/1019:09:212
85743299456454,2cyclictest1082713-21kworker/2:0+i915-unordered23:47:218
85745999454453,1cyclictest1031942-21kworker/9:1+i915-unordered22:51:2115
857426994536,29cyclictest0-21swapper/023:26:050
8574269945127,28cyclictest0-21swapper/022:45:060
8574649944824,28cyclictest0-21swapper/1000:21:212
857464994480,29cyclictest0-21swapper/1022:17:212
8574269944824,29cyclictest0-21swapper/000:29:060
8574649944723,30cyclictest0-21swapper/1023:30:212
85748799446441,4cyclictest1040512-21kworker/15:2+i915-unordered22:56:217
8574519944424,419cyclictest0-21swapper/723:23:4413
8574649944346,397cyclictest0-21swapper/1019:57:442
85745999443442,1cyclictest1095486-21kworker/9:1+i915-unordered23:49:2115
8574649944215,29cyclictest0-21swapper/1019:51:442
85743799441441,0cyclictest0-21swapper/319:59:219
8574329944121,28cyclictest0-21swapper/221:55:218
85744099440439,0cyclictest938668-21kworker/4:1+i915-unordered20:41:2110
85744099440439,0cyclictest938668-21kworker/4:1+i915-unordered20:41:2110
8574649943919,418cyclictest0-21swapper/1022:19:062
8574649943914,29cyclictest0-21swapper/1022:44:212
857449994390,438cyclictest0-21swapper/619:13:1612
8574649943720,414cyclictest0-21swapper/1022:07:432
8574269943714,28cyclictest0-21swapper/019:19:060
85745999436435,1cyclictest0-21swapper/922:40:2115
85745199436433,3cyclictest1802-21snmpd22:05:5313
8574649943518,414cyclictest0-21swapper/1023:36:442
8574649943518,414cyclictest0-21swapper/1023:36:442
8574519943410,29cyclictest0-21swapper/721:14:2113
85744999434429,4cyclictest1802-21snmpd21:25:3412
857464994338,30cyclictest0-21swapper/1019:23:442
857464994337,30cyclictest0-21swapper/1019:29:052
8574519943314,418cyclictest0-21swapper/721:07:0613
85747599432432,0cyclictest0-21swapper/1200:15:334
85745999432432,0cyclictest0-21swapper/920:41:2115
85745999432432,0cyclictest0-21swapper/920:41:2115
857451994327,29cyclictest0-21swapper/722:34:0413
857464994317,30cyclictest0-21swapper/1020:26:212
85748399430429,1cyclictest1802-21snmpd19:13:166
857471994299,29cyclictest0-21swapper/1123:54:213
857451994297,421cyclictest985515-21sleep21:43:1713
857459994285,422cyclictest993985-21sleep21:53:1715
857451994289,418cyclictest0-21swapper/721:32:4213
85744999426423,2cyclictest1108091-21kworker/u64:7+events_unbound00:02:2112
8574649942526,395cyclictest0-21swapper/1000:17:212
857426994250,30cyclictest0-21swapper/023:59:050
85745699424422,1cyclictest0-21swapper/822:33:5414
8574519942418,0cyclictest0-21swapper/723:28:4313
85747199423420,3cyclictest955608-21kworker/u64:12+events_unbound21:01:213
8574519942123,397cyclictest0-21swapper/720:55:2113
8574379942124,396cyclictest0-21swapper/300:24:219
857459994200,26cyclictest0-21swapper/923:37:2115
857459994200,26cyclictest0-21swapper/923:37:2115
8574379942023,396cyclictest0-21swapper/321:05:219
8574269942024,395cyclictest0-21swapper/023:52:440
8574269942023,396cyclictest0-21swapper/021:47:430
8574649941923,394cyclictest0-21swapper/1019:45:442
8574379941923,395cyclictest0-21swapper/319:39:219
8574799941822,395cyclictest0-21swapper/1321:58:175
8574649941819,398cyclictest0-21swapper/1000:02:422
8574649941818,399cyclictest0-21swapper/1000:11:052
8574649941817,398cyclictest0-21swapper/1020:16:432
8574649941817,398cyclictest0-21swapper/1019:14:052
85745199418418,0cyclictest0-21swapper/720:39:4313
85745199418418,0cyclictest0-21swapper/720:39:4313
85743099418417,1cyclictest0-21swapper/120:59:211
8574759941722,395cyclictest0-21swapper/1220:18:164
8574719941721,395cyclictest0-21swapper/1123:31:213
8574649941719,396cyclictest0-21swapper/1020:34:082
8574649941718,397cyclictest0-21swapper/1021:59:072
8574649941718,397cyclictest0-21swapper/1020:07:052
8574649941718,397cyclictest0-21swapper/1020:01:052
8574649941717,399cyclictest0-21swapper/1022:50:432
8574649941717,399cyclictest0-21swapper/1000:08:042
8574649941716,400cyclictest0-21swapper/1021:02:042
8574519941721,395cyclictest0-21swapper/719:08:4313
85748399416416,0cyclictest0-21swapper/1421:25:346
85747199416416,0cyclictest0-21swapper/1121:24:213
8574649941618,396cyclictest0-21swapper/1023:55:442
8574649941618,396cyclictest0-21swapper/1020:32:432
8574649941618,395cyclictest0-21swapper/1000:27:212
8574519941618,397cyclictest0-21swapper/723:41:0613
8574519941618,397cyclictest0-21swapper/723:41:0613
8574649941520,392cyclictest0-21swapper/1019:22:212
8574649941519,394cyclictest0-21swapper/1022:56:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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