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2026-03-04 - 17:06
[ 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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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 50 highest latencies:
System rackbslot5s.osadl.org (updated Wed Mar 04, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2008740996351,9cyclictest2051819-21kworker/u8:0+events_unbound09:45:120
2008744995529,4cyclictest2046993-21munin-run09:00:011
2008744995042,5cyclictest2107325-21munin-plugin-st11:55:001
2008744994941,5cyclictest2105619-21ls11:50:001
2008753994736,7cyclictest2031427-21sh08:15:013
2008749994737,6cyclictest2053403-21grep09:15:262
2008744994532,10cyclictest231ktimers/107:30:121
2008753994333,7cyclictest2061904-21grep09:40:243
2008753994332,6cyclictest0-21swapper/309:00:013
2008749994331,9cyclictest311ktimers/207:55:112
2008740994330,9cyclictest121ktimers/009:20:130
2008753994232,6cyclictest2069406-21grep10:00:243
2008744994132,6cyclictest2071092-21unixbench_singl10:05:251
2008740994130,8cyclictest2102217-21sendmail11:40:010
200875399395,6cyclictest131rcu_preempt07:25:113
2008740993830,4cyclictest2040161-21cron08:40:010
2008753993729,5cyclictest2116050-21kthreadd12:20:003
2008749993730,3cyclictest0-21swapper/210:05:152
2008753993627,5cyclictest0-21swapper/311:30:013
2008753993626,6cyclictest0-21swapper/311:05:243
2008753993625,6cyclictest2096682-21grep11:20:243
2008749993627,6cyclictest0-21swapper/211:05:002
2008749993627,6cyclictest0-21swapper/211:04:592
2008749993624,8cyclictest0-21swapper/211:20:012
2008744993628,4cyclictest0-21swapper/109:28:551
2008744993625,8cyclictest2112184-21grep12:05:241
2008744993625,7cyclictest2094968-21grep11:15:251
2008740993627,5cyclictest2033348-21cron08:20:000
2008740993627,5cyclictest2033348-21cron08:20:000
2008753993525,7cyclictest0-21swapper/310:50:253
2008749993528,4cyclictest0-21swapper/208:15:012
2008744993527,5cyclictest2012679-21grep07:20:011
2008744993523,9cyclictest2074382-21runrttasks10:15:261
2008740993527,4cyclictest0-21swapper/010:05:010
2008753993427,4cyclictest2068084-21cron10:00:013
2008753993426,4cyclictest0-21swapper/310:30:233
2008753993424,7cyclictest2038461-21sh08:35:003
2008753993423,7cyclictest0-21swapper/309:55:003
2008749993424,7cyclictest2100928-21tune2fs11:35:152
2008744993426,5cyclictest208-21systemd-logind10:34:061
2008740993427,4cyclictest645-21runrttasks08:45:110
2008740993426,5cyclictest2083445-21cron10:45:000
2008740993426,4cyclictest0-21swapper/010:40:000
2008740993423,7cyclictest2113937-21grep12:10:240
2008753993324,6cyclictest2107342-21cat11:55:013
2008749993326,4cyclictest0-21swapper/207:20:242
2008744993325,4cyclictest0-21swapper/110:24:041
2008740993326,4cyclictest2116065-21idleruntime-cro12:20:000
2008753993220,7cyclictest2113929-21grep12:10:243
200874999316,9cyclictest2014732-21df_inode07:25:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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