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2026-02-18 - 14:30
[ 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 Wed Feb 18, 2026 07:55:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1589853997461,8cyclictest1825542-21looper05:40:201
1589853997163,5cyclictest2410063-21sh06:10:251
1589852996838,6cyclictest2410846-21rm06:10:270
1589854996536,14cyclictest2411890-21sort06:10:312
158985499621,20cyclictest1787061-21syscall05:35:202
1589854996040,17cyclictest1852256-21wc05:41:332
1589852995540,12cyclictest1825720-21sh05:40:200
1589854995430,20cyclictest0-21swapper/206:08:512
1589853995243,6cyclictest1901520-21execl05:50:141
1589853995142,5cyclictest2397954-21sh06:09:551
1589854995032,15cyclictest2477632-21systemd-run06:30:012
1589854994924,22cyclictest0-21swapper/205:50:262
1589852994937,10cyclictest1901518-21execl05:50:250
1589853994839,5cyclictest0-21swapper/105:20:221
1589854994729,15cyclictest1901268-21execl05:50:022
1589854994631,11cyclictest0-21swapper/205:55:222
1589852994639,4cyclictest2401988-21sh06:10:050
158985499441,21cyclictest1905138-21pipe06:00:202
1589854994318,23cyclictest351ktimers/206:35:232
1589854994222,17cyclictest812-21cron05:35:012
1589854994213,3cyclictest0-21swapper/206:20:192
158985499421,12cyclictest1595803-21ntpq05:25:172
1589853994234,5cyclictest1901281-21munin-plugin-st05:50:011
1589852994235,5cyclictest12450irq/32-eth005:20:220
1589854994133,5cyclictest1591597-21grep05:15:012
1589853994031,6cyclictest1906420-21Run06:02:501
1589852994011,7cyclictest171rcu_preempt05:15:200
1589854993912,2cyclictest0-21swapper/205:20:262
158985499383,8cyclictest2478474-21ntpq06:30:162
1589854993728,5cyclictest0-21swapper/206:20:012
1589852993729,5cyclictest1591650-21true05:15:010
1589852993728,6cyclictest1920798-21spawn06:02:540
1589853993630,3cyclictest0-21swapper/106:20:011
1589853993630,3cyclictest0-21swapper/105:40:011
1589853993628,5cyclictest2478129-21fschecks_count06:30:101
1589853993628,5cyclictest0-21swapper/105:30:021
1589852993624,9cyclictest0-21swapper/005:49:430
1589852993525,7cyclictest1787634-21grep05:35:310
1589854993413,18cyclictest0-21swapper/205:10:022
1589854993311,3cyclictest0-21swapper/205:20:012
1589853993326,4cyclictest0-21swapper/105:15:011
1589853993325,4cyclictest2476098-21cron06:25:011
1589852993318,12cyclictest1903428-21fstime05:55:330
1589852993314,14cyclictest564-21dbus-daemon05:25:170
1589853993224,5cyclictest3606321-21systemd-journal05:20:011
1589853993023,5cyclictest2477465-21unixbench-2d06:25:271
1589853993023,3cyclictest0-21swapper/105:05:011
1589853993021,6cyclictest1903931-21proc_pri05:55:291
1589853992922,5cyclictest1628393-21spawn05:33:391
1589852992823,3cyclictest0-21swapper/006:20:010
1589853992719,5cyclictest2480594-21cron06:40:051
1589852992720,4cyclictest2480528-21unixbench_singl06:35:300
1589852992719,5cyclictest151ktimers/006:30:200
158985299267,12cyclictest0-21swapper/005:05:010
1589852992418,3cyclictest1165-21mta-sts-daemon05:35:040
1589852992415,5cyclictest1165-21mta-sts-daemon06:25:150
1589852992216,4cyclictest1590092-21cron05:10:010
1589852992215,5cyclictest2475017-21cpu06:20:090
158985599193,6cyclictest0-21swapper/305:35:233
1589853991911,5cyclictest1470003-21cups-browsed05:07:511
158985599181,6cyclictest0-21swapper/306:00:193
158985599171,8cyclictest0-21swapper/306:10:243
158985499176,8cyclictest564-21dbus-daemon05:05:012
158985599164,7cyclictest0-21swapper/305:40:263
158985599163,8cyclictest0-21swapper/305:50:263
158985599162,7cyclictest0-21swapper/305:55:203
158985599161,6cyclictest0-21swapper/306:30:153
158985599153,5cyclictest0-21swapper/306:05:273
158985599143,5cyclictest0-21swapper/305:27:573
158985599141,7cyclictest0-21swapper/306:25:173
158985599141,6cyclictest0-21swapper/305:10:133
158985599133,6cyclictest0-21swapper/305:45:293
158985599132,7cyclictest0-21swapper/305:20:203
158985599122,5cyclictest0-21swapper/305:30:173
158985599102,4cyclictest0-21swapper/306:20:193
158985599101,6cyclictest0-21swapper/306:35:303
15898559994,3cyclictest0-21swapper/306:15:333
15898559991,5cyclictest0-21swapper/305:15:173
15898559991,5cyclictest0-21swapper/305:10:013
15898559991,4cyclictest0-21swapper/305:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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