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2026-02-17 - 20:14
[ 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 #2, slot #7

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 376 highest latencies:
System rack2slot7s.osadl.org (updated Tue Feb 17, 2026 07:55:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338629199641,53cyclictest3622136-21grep05:40:162
338629199641,53cyclictest3622136-21grep05:40:162
3386289996457,4cyclictest0-21swapper/005:50:280
3386289996457,4cyclictest0-21swapper/005:50:280
3386291996051,5cyclictest19983-21wc06:10:272
3386290995948,7cyclictest23657-21sort06:10:381
3386289995729,25cyclictest23350-21sh06:10:370
3386291995545,6cyclictest9817-21tee06:10:022
3386289995525,16cyclictest3621849-21sh05:40:150
3386289995525,16cyclictest3621849-21sh05:40:150
3386289995426,14cyclictest4165933-21sh06:08:300
3386290995142,6cyclictest3670319-21sh05:42:221
3386290995142,6cyclictest3670319-21sh05:42:221
3386290995043,4cyclictest0-21swapper/105:50:241
3386290995043,4cyclictest0-21swapper/105:50:241
3386291994943,3cyclictest0-21swapper/205:50:262
3386291994943,3cyclictest0-21swapper/205:50:262
3386290994739,5cyclictest824-21multi.sh06:09:381
3386289994736,5cyclictest0-21swapper/006:25:150
338628999471,33cyclictest88982-21fw_packets06:35:110
3386291994637,5cyclictest0-21swapper/205:40:012
3386290994537,3cyclictest0-21swapper/105:20:171
3386290994516,8cyclictest86970-21systemd-run06:30:011
3386291994435,6cyclictest85390-21cron06:25:012
338628999442,36cyclictest3387403-21ntpq05:10:160
3386289994420,21cyclictest4059216-21spawn06:04:130
3386289994419,22cyclictest3698760-21execl05:50:010
3386291994335,5cyclictest3701951-21pipe05:58:382
3386290994315,9cyclictest3388928-21awk05:15:151
3386289994335,4cyclictest0-21swapper/005:25:150
338628999431,23cyclictest3701277-21ntpq05:55:170
3386291994234,4cyclictest0-21swapper/205:50:012
3386290994224,12cyclictest3386755-21/usr/sbin/munin05:10:301
338629099420,32cyclictest3584783-21syscall05:35:211
3386290994124,9cyclictest3391571-21fstime05:25:181
338628999411,33cyclictest3388949-21ntpq05:15:160
338628999402,34cyclictest83237-21ntpq06:15:180
3386289994018,19cyclictest3618760-21sh05:40:020
3386290993925,8cyclictest3701294-21ntpq05:55:181
3386291993830,5cyclictest89953-21awk06:40:032
3386291993828,7cyclictest4090215-21spawn06:04:202
3386290993830,5cyclictest3698611-21Run05:46:531
3386290993829,6cyclictest3858076-21spawn06:03:261
3386289993823,12cyclictest3386539-21munin-plugin-st05:10:010
338628999381,34cyclictest87907-21ntpq06:30:220
338628999381,32cyclictest84814-21ntpq06:20:190
338628999371,32cyclictest3390747-21ntpq05:20:220
3386291993629,4cyclictest0-21swapper/205:10:002
3386290993612,7cyclictest88796-21aten_r2power_po06:35:081
3386291993527,5cyclictest3388028-21munin-plugin-st05:15:012
3386290993523,7cyclictest83349-21ntpq06:15:231
338628999351,29cyclictest3393893-21ntpq05:30:210
3386290993420,9cyclictest84778-21ntpq06:20:171
3386291993323,6cyclictest3393423-21pipe05:30:182
3386290993327,3cyclictest0-21swapper/105:35:011
338629199321,26cyclictest3390302-21execl05:20:242
3386291993125,4cyclictest3386288-21cyclictest06:30:022
3386291993124,3cyclictest0-21swapper/205:15:242
3386290993121,7cyclictest87813-21ntpq06:30:181
3386290993024,3cyclictest0-21swapper/105:10:011
338628999300,27cyclictest0-21swapper/005:05:010
3386290992819,6cyclictest3386301-21munin-run05:05:011
3386291992611,11cyclictest1167-21mta-sts-daemon06:15:192
3386291992417,5cyclictest0-21swapper/205:30:012
3386291992313,6cyclictest3606321-21systemd-journal06:35:002
3386291991910,7cyclictest3386293-21sh05:05:012
338629299186,7cyclictest0-21swapper/306:10:263
338629299173,9cyclictest0-21swapper/305:57:503
338629299173,6cyclictest0-21swapper/306:05:173
338629299172,9cyclictest0-21swapper/306:01:413
338629299163,8cyclictest0-21swapper/305:40:203
338629299163,8cyclictest0-21swapper/305:40:203
338629299152,8cyclictest0-21swapper/305:50:143
338629299152,8cyclictest0-21swapper/305:50:143
338629299152,7cyclictest0-21swapper/305:45:193
338629299151,7cyclictest0-21swapper/305:25:153
338629299151,5cyclictest0-21swapper/306:30:173
338629299141,7cyclictest0-21swapper/305:15:233
338629299132,6cyclictest0-21swapper/305:35:183
338629299131,6cyclictest0-21swapper/306:35:173
338629299131,6cyclictest0-21swapper/305:20:173
338629299123,6cyclictest0-21swapper/306:25:183
338629299122,6cyclictest0-21swapper/306:20:013
338629299121,6cyclictest0-21swapper/306:20:163
338629299121,6cyclictest0-21swapper/305:10:233
338629299113,5cyclictest0-21swapper/305:10:013
338629299110,6cyclictest0-21swapper/305:30:073
33862929981,4cyclictest0-21swapper/305:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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