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2026-01-18 - 05:25
[ 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 Sun Jan 18, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295182226195,21sleep20-21swapper/219:08:062
296042202165,24sleep10-21swapper/119:09:131
294132201165,24sleep30-21swapper/319:06:473
293442200163,25sleep00-21swapper/019:05:500
2537421300,4sleep22976099cyclictest22:40:182
29760991110,109cyclictest0-21swapper/221:40:362
2976099106103,2cyclictest0-21swapper/221:47:162
29760998885,2cyclictest0-21swapper/219:22:162
29760998683,2cyclictest0-21swapper/219:27:222
320082590,1sleep011-21rcuc/019:15:010
50622550,4sleep011-21rcuc/019:25:130
201902480,1sleep10-21swapper/122:30:101
29760994441,2cyclictest0-21swapper/220:36:482
29748993910,13cyclictest20039-21munin-run20:00:010
2974899389,14cyclictest26308-21awk22:45:020
2974899381,11cyclictest0-21swapper/020:03:040
2974899378,13cyclictest22523-21munin-run23:50:010
2974899361,4cyclictest0-21swapper/021:32:140
2974899361,10cyclictest0-21swapper/022:34:590
2974899361,10cyclictest0-21swapper/000:36:130
2974899361,10cyclictest0-21swapper/000:36:130
2974899348,12cyclictest32288-21perf21:45:000
2974899341,27cyclictest0-21swapper/022:57:330
2974899341,25cyclictest0-21swapper/000:11:190
2974899341,13cyclictest0-21swapper/023:33:320
2974899341,11cyclictest0-21swapper/020:17:370
2976599331,18cyclictest0-21swapper/322:29:453
2976599331,13cyclictest0-21swapper/321:40:493
2976599331,11cyclictest0-21swapper/300:27:043
2974899331,9cyclictest0-21swapper/023:59:570
2974899331,11cyclictest0-21swapper/023:40:040
2974899331,10cyclictest0-21swapper/021:17:240
2974899330,23cyclictest0-21swapper/021:27:120
2974899330,12cyclictest0-21swapper/023:24:120
2974899330,12cyclictest0-21swapper/023:24:120
2974899330,10cyclictest0-21swapper/021:45:280
2976599321,10cyclictest0-21swapper/322:24:133
29765993210,3cyclictest0-21swapper/319:35:323
2976599320,11cyclictest0-21swapper/323:45:493
2976599320,11cyclictest0-21swapper/322:39:373
2974899327,3cyclictest0-21swapper/019:21:090
2974899326,12cyclictest24457-21perf20:10:010
2974899321,24cyclictest0-21swapper/023:50:390
2974899321,14cyclictest0-21swapper/000:05:130
2974899320,9cyclictest0-21swapper/023:28:360
2974899320,13cyclictest0-21swapper/023:19:240
2974899320,12cyclictest0-21swapper/023:12:170
2974899320,11cyclictest0-21swapper/023:01:010
2974899320,11cyclictest0-21swapper/022:04:240
90052310,4sleep121-21rcuc/100:40:021
90052310,4sleep121-21rcuc/100:40:021
2976599311,8cyclictest32330-21ntp_states20:25:203
2976599311,10cyclictest0-21swapper/321:15:363
2976599311,10cyclictest0-21swapper/320:45:283
2976599311,10cyclictest0-21swapper/320:23:243
2976599310,10cyclictest0-21swapper/323:24:443
2976599310,10cyclictest0-21swapper/323:24:443
2974899311,9cyclictest0-21swapper/020:20:570
2974899311,14cyclictest0-21swapper/019:46:480
2974899311,14cyclictest0-21swapper/019:46:480
2974899311,11cyclictest0-21swapper/021:57:440
2974899310,9cyclictest0-21swapper/022:12:210
2974899310,8cyclictest0-21swapper/023:05:050
2974899310,18cyclictest0-21swapper/022:47:090
2974899310,11cyclictest0-21swapper/022:54:370
2974899310,11cyclictest0-21swapper/000:35:010
2974899310,10cyclictest0-21swapper/022:06:170
2974899310,10cyclictest0-21swapper/022:06:160
2974899310,10cyclictest0-21swapper/000:28:330
2976599301,11cyclictest0-21swapper/320:10:453
2976599301,10cyclictest0-21swapper/320:41:083
2976599301,10cyclictest0-21swapper/300:07:213
2976599300,9cyclictest0-21swapper/323:34:293
2976599300,11cyclictest0-21swapper/300:36:203
2976599300,11cyclictest0-21swapper/300:36:203
2975499300,24cyclictest19646-21kworker/u8:123:07:411
2974899304,3cyclictest0-21swapper/020:42:210
2974899301,9cyclictest0-21swapper/000:20:490
2974899301,21cyclictest87150irq/126-enp1s0-22:15:310
2974899301,12cyclictest11384-21unixbench_multi20:50:240
2974899301,10cyclictest0-21swapper/019:39:480
2974899300,9cyclictest0-21swapper/000:17:530
2974899300,9cyclictest0-21swapper/000:00:090
2974899300,17cyclictest0-21swapper/021:24:120
2974899300,12cyclictest0-21swapper/021:51:520
2974899300,10cyclictest0-21swapper/021:02:160
2976599295,3cyclictest5567-21smartctl19:25:163
2976599291,26cyclictest0-21swapper/322:46:563
2976599291,10cyclictest0-21swapper/320:02:013
2976599291,10cyclictest0-21swapper/319:20:363
29765992910,3cyclictest0-21swapper/321:59:453
2976599290,12cyclictest0-21swapper/300:10:493
2976599290,11cyclictest0-21swapper/322:57:003
29754992925,3cyclictest0-21swapper/122:15:211
2974899294,3cyclictest0-21swapper/020:32:210
2974899291,9cyclictest0-21swapper/022:39:250
2974899291,12cyclictest0-21swapper/019:41:160
2974899290,12cyclictest0-21swapper/022:26:130
2976599281,9cyclictest0-21swapper/319:44:003
2976599281,16cyclictest0-21swapper/321:36:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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