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2026-02-18 - 17:35
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Wed Feb 18, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188762237161,24sleep00-21swapper/007:07:380
189462233163,57sleep20-21swapper/207:08:332
189272202164,25sleep30-21swapper/307:08:183
188232201164,24sleep10-21swapper/107:06:591
2400921620,2sleep11915299cyclictest09:45:151
276622540,5sleep01914799cyclictest11:05:240
85062530,3sleep121-21rcuc/111:35:231
130432490,4sleep121-21rcuc/109:20:141
258872460,1sleep20-21swapper/207:20:242
69372440,2sleep00-21swapper/009:05:210
48872420,1sleep00-21swapper/010:15:160
14422350,12sleep07-21ksoftirqd/008:55:000
1915299311,28cyclictest0-21swapper/112:15:141
204772300,2sleep20-21swapper/208:25:022
19147993010,17cyclictest26679-21idleruntime-cro12:20:010
1915999291,7cyclictest1-21systemd11:20:012
19152992917,3cyclictest0-21swapper/111:41:081
1915999283,6cyclictest0-21swapper/211:11:442
1915999281,5cyclictest0-21swapper/212:29:572
1915299284,20cyclictest0-21swapper/112:03:401
19152992816,3cyclictest0-21swapper/111:07:171
19152992816,3cyclictest0-21swapper/110:40:241
19152992816,2cyclictest0-21swapper/111:59:201
19152992815,3cyclictest0-21swapper/109:35:531
1915299281,16cyclictest0-21swapper/110:55:591
1914799283,2cyclictest89950irq/134-enp2s0-09:57:240
19152992715,3cyclictest0-21swapper/112:12:461
19152992715,3cyclictest0-21swapper/111:00:071
19152992715,3cyclictest0-21swapper/109:44:201
19152992715,3cyclictest0-21swapper/108:35:291
1915299270,25cyclictest0-21swapper/109:55:171
1915299270,16cyclictest0-21swapper/110:50:181
19164992610,4cyclictest21551-21grep07:15:013
1915999261,7cyclictest0-21swapper/209:55:282
1915999261,6cyclictest0-21swapper/211:07:522
1915299269,3cyclictest913-21sssd_nss11:15:191
19152992616,3cyclictest0-21swapper/110:26:491
19152992615,2cyclictest0-21swapper/110:10:171
19152992615,2cyclictest0-21swapper/110:10:171
1915299261,16cyclictest0-21swapper/112:27:181
1915299261,11cyclictest24938-21latency_hist08:35:021
1915299260,20cyclictest0-21swapper/112:08:321
1915299260,13cyclictest0-21swapper/109:53:261
310152250,3sleep339-21rcuc/310:00:183
1916499251,5cyclictest380-21perl10:05:163
1915999254,9cyclictest21316-21latency_hist07:15:022
19159992514,3cyclictest25928-21systemd-journal11:03:212
19159992511,2cyclictest88150irq/126-enp1s0-11:55:202
1915299253,8cyclictest14125-21cpuspeed_turbos08:10:121
1915299251,22cyclictest0-21swapper/108:00:521
1915299251,22cyclictest0-21swapper/107:38:501
1915299251,15cyclictest0-21swapper/110:37:181
1915299251,15cyclictest0-21swapper/107:48:411
19152992511,3cyclictest0-21swapper/110:34:371
1915299251,11cyclictest2246-21if_err_enp1s008:55:151
1915299251,10cyclictest30124-21hddtemp_smartct08:45:181
1915299251,10cyclictest22306-21egrep07:15:141
1915299250,19cyclictest0-21swapper/111:10:141
1914799254,15cyclictest7851-21diskmemload10:12:200
1914799254,15cyclictest7851-21diskmemload10:12:200
1914799254,12cyclictest88150irq/126-enp1s0-12:32:120
1914799253,13cyclictest7851-21diskmemload11:41:480
141832250,2sleep30-21swapper/310:35:223
1916499241,12cyclictest16910-21netstat11:55:193
1915999245,8cyclictest88150irq/126-enp1s0-11:40:122
1915999243,6cyclictest0-21swapper/210:26:472
1915999241,7cyclictest0-21swapper/211:46:492
1915999241,6cyclictest0-21swapper/209:31:492
1915999241,15cyclictest0-21swapper/212:03:462
1915999240,4cyclictest0-21swapper/210:42:082
1915299248,3cyclictest2833-21latency_hist07:45:011
1915299241,20cyclictest31984-21hddtemp_smartct12:30:141
1915299241,19cyclictest31004-21missed_timers10:00:181
1915299241,17cyclictest0-21swapper/111:51:321
1915299241,15cyclictest0-21swapper/109:13:281
1915299241,14cyclictest0-21swapper/107:53:011
1915299241,14cyclictest0-21swapper/107:53:011
19152992411,3cyclictest0-21swapper/108:19:501
1915299241,10cyclictest0-21swapper/110:20:561
19152992410,3cyclictest0-21swapper/108:25:521
1915299240,22cyclictest0-21swapper/107:31:251
1915299240,14cyclictest0-21swapper/108:51:001
1914799243,16cyclictest32672-21kworker/0:211:25:190
19147992414,3cyclictest0-21swapper/011:49:110
19147992410,2cyclictest27909-21needreboot12:20:190
1916499236,7cyclictest39-21rcuc/311:30:133
1916499231,4cyclictest5969-21kworker/u8:210:47:273
1915999238,4cyclictest0-21swapper/210:00:382
1915999238,4cyclictest0-21swapper/208:49:242
1915999234,2cyclictest1880-21munin-run10:10:012
1915999233,7cyclictest311ktimersoftd/212:30:142
1915999233,6cyclictest0-21swapper/212:23:232
1915999231,6cyclictest5221-21memory10:15:192
1915999231,6cyclictest0-21swapper/210:54:492
1915999231,5cyclictest0-21swapper/211:36:272
1915999231,11cyclictest0-21swapper/212:18:012
1915299239,3cyclictest18010-21awk09:30:221
1915299231,11cyclictest8331-21latency07:55:181
1915299231,11cyclictest4413-21cut10:15:131
1915299231,11cyclictest17712-21expr10:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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