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2026-02-06 - 21:54
[ 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Fri Feb 06, 2026 07:55:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237460999780,28cyclictest3181440-21sh06:10:210
237460999780,28cyclictest3181440-21sh06:10:210
2374611997465,6cyclictest3180938-21multi.sh06:10:192
2374611997465,6cyclictest3180938-21multi.sh06:10:192
2374610995832,23cyclictest2667739-21multi.sh05:43:071
2374610995639,13cyclictest3181994-21sh06:10:231
2374610995639,13cyclictest3181994-21sh06:10:231
2374610995630,22cyclictest3107413-21sh06:07:181
2374611995542,7cyclictest0-21swapper/205:50:152
2374610995226,23cyclictest3251920-21cut06:20:011
2374611995143,5cyclictest2675949-21sh05:43:292
2374610995127,21cyclictest2680929-21execl05:50:241
2374610995034,12cyclictest2600791-21aten_r2power_po05:40:011
2374610995034,12cyclictest2600791-21aten_r2power_po05:40:011
237461099501,20cyclictest2378985-21execl05:20:161
2374610994925,21cyclictest2773894-21spawn06:03:171
2374609994941,5cyclictest2680035-21execl05:50:010
2374610994825,20cyclictest2680035-21execl05:50:031
2374611994739,5cyclictest2680036-21execl05:50:032
2374609994738,6cyclictest2687417-21spawn06:02:580
2374611994637,6cyclictest3170946-21sh06:09:482
2374611994635,7cyclictest0-21swapper/206:35:112
2374610994618,24cyclictest2444836-21spawn05:33:581
2374610994618,24cyclictest2444836-21spawn05:33:581
2374609994631,12cyclictest2648920-21sh05:42:180
2374609994626,15cyclictest0-21swapper/005:50:140
2374611994536,6cyclictest3606335-21systemd-logind06:05:012
2374609994534,8cyclictest3095802-21Run06:06:080
2374611994428,13cyclictest2376349-21Run05:59:242
2374611994428,13cyclictest2376349-21Run05:59:242
2374611994335,5cyclictest2600860-21sort05:40:012
2374611994335,5cyclictest2600860-21sort05:40:012
2374611994333,6cyclictest2374979-21aten_r2power_po05:09:572
2374610994321,18cyclictest2683165-21fstime05:56:201
2374610994321,18cyclictest2683165-21fstime05:56:201
2374609994337,4cyclictest2378072-21whetstone-doubl05:20:020
2374609994236,4cyclictest2600939-21tee05:40:020
2374609994236,4cyclictest2600939-21tee05:40:020
2374610994133,5cyclictest3257937-21munin-run06:40:031
2374610994133,5cyclictest2375199-21systemd-run05:10:011
2374611994032,4cyclictest0-21swapper/205:20:182
2374611994028,7cyclictest2568342-21/usr/sbin/munin05:35:042
2374611994028,7cyclictest2568342-21/usr/sbin/munin05:35:042
2374610994012,7cyclictest3253888-21/usr/sbin/munin06:25:051
2374609994029,8cyclictest0-21swapper/006:40:030
2374609994014,20cyclictest763-21snmpd05:57:090
2374609994014,20cyclictest763-21snmpd05:57:090
2374611993916,18cyclictest1167-21mta-sts-daemon06:30:122
2374609993930,6cyclictest2374616-21systemd-run05:05:010
2374609993731,3cyclictest0-21swapper/005:30:030
2374609993628,5cyclictest1-21systemd06:20:010
2374609993623,7cyclictest12450irq/32-eth005:20:160
2374609993528,5cyclictest2375171-21cut05:10:000
2374611993425,6cyclictest2256709-21cups-browsed06:28:392
2374611993325,5cyclictest3252025-21aten_r2power_po06:20:012
2374611993227,2cyclictest0-21swapper/205:15:002
2374611993221,8cyclictest2378526-21cpu05:20:032
2374609993227,3cyclictest151ktimers/006:30:180
2374610993125,3cyclictest0-21swapper/105:15:011
2374610993121,7cyclictest2378099-21munin-run05:20:011
2374609993122,6cyclictest2507320-21spawn05:35:030
2374609993122,6cyclictest2507320-21spawn05:35:030
2374611993022,4cyclictest0-21swapper/205:27:392
2374609993021,6cyclictest2376340-21cron05:15:000
2374609993020,7cyclictest3253377-21munin-run06:25:000
2374610992923,3cyclictest0-21swapper/105:30:031
237461199285,15cyclictest577-21mta-sts-daemon06:20:162
2374610992821,5cyclictest0-21swapper/106:25:001
2374610992720,4cyclictest3255392-21fschecks_count06:30:041
2374609992520,2cyclictest0-21swapper/006:30:010
237461299234,11cyclictest0-21swapper/306:10:173
237461299234,11cyclictest0-21swapper/306:10:173
237461299203,6cyclictest0-21swapper/306:05:083
237461299202,11cyclictest0-21swapper/305:56:213
237461299202,11cyclictest0-21swapper/305:56:213
2374611991914,2cyclictest0-21swapper/205:05:022
237461299182,6cyclictest0-21swapper/305:30:143
237461299182,6cyclictest0-21swapper/305:30:143
237461299181,11cyclictest0-21swapper/306:03:443
237461299174,9cyclictest0-21swapper/305:50:143
237461299173,5cyclictest0-21swapper/305:35:133
237461299173,5cyclictest0-21swapper/305:35:133
237461299171,8cyclictest0-21swapper/305:15:143
237461299171,7cyclictest0-21swapper/305:10:063
237461299163,8cyclictest0-21swapper/305:44:003
237461299161,6cyclictest0-21swapper/306:20:113
237461099160,13cyclictest2374566-21munin-run05:05:011
237461299152,7cyclictest0-21swapper/305:45:063
237461299142,7cyclictest0-21swapper/306:30:023
237461299142,7cyclictest0-21swapper/305:20:133
237461299142,5cyclictest0-21swapper/306:20:023
237461299141,6cyclictest0-21swapper/305:25:113
237461299132,6cyclictest0-21swapper/306:35:133
237461299123,6cyclictest0-21swapper/306:30:183
237461299121,7cyclictest0-21swapper/305:10:003
23746129981,5cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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