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2026-02-17 - 06:35
[ 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 #b, 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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  Phytec
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.

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 rackbslot5s.osadl.org (updated Tue Feb 17, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2768780995342,7cyclictest2836057-21grep22:20:250
2768784995221,28cyclictest0-21swapper/122:30:001
2768792995042,4cyclictest2845059-21gpgv22:50:013
2768784994938,7cyclictest2789640-21grep20:05:261
2768784994924,22cyclictest2831350-21kthreadd22:10:011
2768784994821,23cyclictest0-21swapper/121:05:011
2768784994739,5cyclictest2807158-21cron21:00:001
2768784994715,3cyclictest0-21swapper/120:40:261
2768792994535,7cyclictest2824036-21grep21:45:263
2768792994437,4cyclictest2798617-21sh20:35:013
2768784994415,5cyclictest0-21swapper/120:10:211
2768792994335,6cyclictest2836859-21fschecks_count22:25:153
2768784994218,4cyclictest2779616-21sendmail19:40:011
2768780994222,16cyclictest0-21swapper/020:00:000
2768784994133,5cyclictest2777880-21sh19:35:011
2768784994133,4cyclictest0-21swapper/123:55:001
2768784994114,5cyclictest0-21swapper/119:25:171
2768780994132,6cyclictest2777881-21sh19:35:010
2768792994031,4cyclictest0-21swapper/300:35:153
2768792994031,4cyclictest0-21swapper/300:35:153
2768787994033,4cyclictest2824507-21audit_send_reply21:50:002
2768784994019,5cyclictest2834326-21unixbench_singl22:15:251
2768787993832,4cyclictest2848572-21kworker/u8:2+events_unbound23:02:482
2768787993832,4cyclictest2848572-21kworker/u8:2+events_unbound23:02:482
2768784993828,7cyclictest2784469-21grep19:50:271
2768780993831,4cyclictest0-21swapper/020:50:000
2768780993831,4cyclictest0-21swapper/020:50:000
2768780993826,7cyclictest0-21swapper/023:05:260
2768780993826,7cyclictest0-21swapper/023:05:260
2768792993729,4cyclictest0-21swapper/319:15:033
2768787993726,7cyclictest2786637-21sh20:00:002
2768784993728,6cyclictest0-21swapper/123:20:001
2768780993728,5cyclictest0-21swapper/022:35:240
2768792993628,4cyclictest0-21swapper/322:12:393
2768787993628,6cyclictest2809318-21kworker/u8:0+events_unbound21:37:332
2768787993628,4cyclictest0-21swapper/221:20:162
2768787993626,7cyclictest2777421-21grep19:30:242
2768787993625,4cyclictest131rcu_preempt21:30:272
2768787993622,4cyclictest131rcu_preempt20:43:492
2768787993619,5cyclictest131rcu_preempt19:15:252
2768787993616,5cyclictest2827921-21auditctl22:00:012
2768784993628,5cyclictest2857010-21unixbench_singl23:20:261
2768780993629,4cyclictest2845036-21idleruntime-cro22:50:000
2768792993525,7cyclictest2863793-21grep23:40:253
2768792993524,7cyclictest0-21swapper/300:15:263
2768787993525,7cyclictest2779597-21cron19:40:012
2768787993521,4cyclictest131rcu_preempt00:10:172
2768784993526,6cyclictest0-21swapper/100:25:001
2768784993526,5cyclictest2799851-21tail20:35:241
2768784993523,8cyclictest2844616-21grep22:45:251
2768780993525,7cyclictest2879675-21munin-plugin-st00:30:010
2768780993525,7cyclictest2879675-21munin-plugin-st00:30:000
2768780993524,8cyclictest121ktimers/019:20:130
2768792993426,4cyclictest0-21swapper/319:30:253
2768792993425,6cyclictest0-21swapper/321:40:003
276879299342,3cyclictest131rcu_preempt20:40:123
2768792993418,6cyclictest2881006-21kworker/u8:0+events_unbound00:32:093
2768792993418,6cyclictest2881006-21kworker/u8:0+events_unbound00:32:093
2768792993417,4cyclictest2826113-21kworker/u8:2+events_unbound21:57:253
2768787993424,7cyclictest311ktimers/200:00:262
2768787993423,8cyclictest2833050-21auditctl22:15:002
2768787993423,4cyclictest131rcu_preempt23:15:222
2768787993417,5cyclictest131rcu_preempt20:50:212
2768787993417,5cyclictest131rcu_preempt20:50:212
2768787993415,4cyclictest131rcu_preempt22:56:392
2768787993415,4cyclictest131rcu_preempt22:50:162
2768784993424,7cyclictest2787125-21tune2fs20:00:161
2768780993425,6cyclictest2779590-21sh19:40:010
2768780993424,6cyclictest0-21swapper/022:30:240
2768780993424,6cyclictest0-21swapper/020:55:000
2768780993424,6cyclictest0-21swapper/020:55:000
2768780993424,6cyclictest0-21swapper/019:50:260
2768792993324,4cyclictest0-21swapper/323:30:003
2768792993323,7cyclictest2786634-21cron20:00:003
276878799339,11cyclictest32-21ksoftirqd/220:00:202
276878799336,6cyclictest32-21ksoftirqd/222:30:232
2768787993326,5cyclictest2844859-21kworker/u8:1+events_unbound22:48:412
2768787993325,4cyclictest0-21swapper/222:22:402
2768787993323,6cyclictest2865558-21grep23:45:262
2768787993322,5cyclictest131rcu_preempt00:22:352
2768787993321,8cyclictest2842893-21grep22:40:262
2768787993320,4cyclictest131rcu_preempt20:39:522
2768787993319,4cyclictest131rcu_preempt21:03:462
2768787993316,8cyclictest131rcu_preempt21:10:502
2768787993315,9cyclictest131rcu_preempt19:54:442
2768787993313,11cyclictest131rcu_preempt23:10:002
2768787993313,11cyclictest131rcu_preempt23:10:002
2768784993324,6cyclictest0-21swapper/120:55:001
2768784993324,6cyclictest0-21swapper/120:55:001
2768784993323,6cyclictest0-21swapper/123:50:001
2768784993323,6cyclictest0-21swapper/121:20:011
2768780993322,7cyclictest0-21swapper/020:30:260
276879299323,4cyclictest0-21swapper/323:45:133
2768792993226,3cyclictest0-21swapper/320:40:003
2768792993225,4cyclictest0-21swapper/323:00:253
2768792993225,4cyclictest0-21swapper/323:00:253
2768792993223,6cyclictest0-21swapper/322:35:143
2768792993222,7cyclictest2805451-21cron20:55:013
2768792993222,7cyclictest2805451-21cron20:55:003
2768792993222,7cyclictest2779659-21apt-key19:40:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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