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2026-02-26 - 18:04
[ 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 #9, slot #4

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 highest latencies:
System rack9slot4s (updated Thu Feb 26, 2026 12:59:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169029911181095,20cyclictest0-21swapper/007:26:030
169039910881065,19cyclictest2403-21irqbalance07:26:051
164262632585,32sleep10-21swapper/107:20:361
154032481434,30sleep00-21swapper/007:20:110
109952680,7sleep00-21swapper/012:49:350
16903996526,34cyclictest11506-21ssh12:15:261
249052610,8sleep11690399cyclictest09:42:291
45702600,4sleep00-21swapper/010:28:380
1690399602,4cyclictest0-21swapper/110:24:161
231852590,3sleep041ktimersoftd/012:27:380
1690399591,6cyclictest16794-21cron11:15:001
1690399571,8cyclictest11726-21sh10:35:271
1690399554,19cyclictest19318-21iostat_ios11:50:201
1690399543,18cyclictest6449-21iostat_ios10:30:181
1690399534,12cyclictest40550irq/92-i91509:00:291
1690399532,8cyclictest0-21swapper/110:18:371
1690399531,7cyclictest21579-21aten_r4power_po07:35:111
284472520,2sleep00-21swapper/007:50:300
1690399522,5cyclictest40550irq/92-i91509:18:031
1690399522,12cyclictest0-21swapper/110:59:071
1690399511,29cyclictest0-21swapper/109:52:561
1690399509,15cyclictest0-21swapper/112:32:381
1690399505,19cyclictest0-21swapper/110:54:451
1690399501,11cyclictest81rcu_preempt10:09:271
1690399501,11cyclictest81rcu_preempt10:09:271
1690399496,12cyclictest40550irq/92-i91511:36:011
1690399491,27cyclictest0-21swapper/112:46:161
1690399482,8cyclictest3302-21runrttasks08:08:091
1690399481,8cyclictest1175-21sh10:25:141
1690399481,27cyclictest13452-21ssh11:44:561
178952450,10sleep01690299cyclictest10:09:070
178952450,10sleep01690299cyclictest10:09:070
1690399440,4cyclictest81rcu_preempt08:27:241
1690299437,32cyclictest0-21swapper/011:39:160
121692430,4sleep1211ktimersoftd/109:30:011
121692430,4sleep1211ktimersoftd/109:30:001
1690399411,7cyclictest3503-21grep09:20:221
1690299408,28cyclictest0-21swapper/011:42:160
16902993915,6cyclictest8329-21cpu08:25:110
236792387,5sleep030497-21gdbus10:48:150
1690299379,5cyclictest81rcu_preempt09:34:210
1690299372,12cyclictest0-21swapper/010:34:010
1690399363,29cyclictest0-21swapper/111:05:351
16903993628,5cyclictest0-21swapper/112:38:161
16903993628,4cyclictest0-21swapper/109:38:151
16903993627,6cyclictest7504-21/usr/sbin/munin08:20:281
1690299368,12cyclictest30497-21gdbus11:55:340
1690299368,12cyclictest30497-21gdbus11:55:340
1690299363,30cyclictest0-21swapper/008:57:360
16902993626,7cyclictest0-21swapper/011:09:160
16902993623,11cyclictest0-21swapper/011:22:350
1690299362,30cyclictest0-21swapper/012:06:350
1690399352,29cyclictest0-21swapper/109:34:551
1690299359,4cyclictest0-21swapper/009:44:340
1690299354,4cyclictest81rcu_preempt10:01:170
1690299353,16cyclictest23225-21/usr/sbin/munin09:05:290
16902993525,6cyclictest0-21swapper/010:40:360
16902993525,6cyclictest0-21swapper/010:40:350
1690299352,4cyclictest81rcu_preempt09:52:260
1690299352,29cyclictest0-21swapper/012:36:360
1690299352,29cyclictest0-21swapper/010:23:550
1690299351,5cyclictest17410-21diskstats11:15:160
1690299351,5cyclictest17410-21diskstats11:15:160
90782341,29sleep19090-21ssh10:00:101
38082341,29sleep12329-21NetworkManager08:10:341
221572341,4sleep022175-21ntp_states09:00:240
1690399341,5cyclictest81rcu_preempt11:25:101
1690299345,4cyclictest81rcu_preempt12:03:590
1690299342,7cyclictest0-21swapper/010:59:550
16902993424,6cyclictest8344-21ssh09:59:200
1690299341,28cyclictest1968-21lldpad11:32:020
1690299341,20cyclictest11061-21perl12:15:170
1690299341,13cyclictest0-21swapper/009:35:590
1690399333,24cyclictest17875-21diskstats08:50:151
1690299336,14cyclictest3356-21wc11:00:220
1690299335,4cyclictest81rcu_preempt11:14:090
1690299334,4cyclictest81rcu_preempt12:10:080
1690299333,4cyclictest81rcu_preempt09:19:230
1690299332,4cyclictest0-21swapper/010:50:350
16902993314,5cyclictest18592-21python08:50:270
16902993311,6cyclictest0-21swapper/010:37:360
1690399325,4cyclictest81rcu_preempt11:01:371
1690399323,4cyclictest81rcu_preempt09:46:251
16903993222,6cyclictest27300-21ssh11:58:561
16903993222,6cyclictest27300-21ssh11:58:551
16903993222,6cyclictest24946-21diskmemload11:19:541
16903993222,6cyclictest24946-21diskmemload11:19:531
1690399321,4cyclictest81rcu_preempt12:20:191
1690299322,4cyclictest81rcu_preempt12:22:050
1690299321,4cyclictest81rcu_preempt12:42:380
1690299321,29cyclictest0-21swapper/007:45:360
1690299321,29cyclictest0-21swapper/007:44:160
1690299321,28cyclictest0-21swapper/009:46:390
1690299321,19cyclictest27077-21ssh09:11:040
16902993211,5cyclictest23810-21cpuspeed_turbos10:15:130
1690399315,4cyclictest81rcu_preempt07:43:221
1690399312,4cyclictest81rcu_preempt12:05:021
16903993124,5cyclictest0-21swapper/108:44:151
16903993124,4cyclictest26975-21ssh09:10:551
1690399312,25cyclictest111-21usb-storage08:45:161
1690399312,25cyclictest111-21usb-storage08:45:161
1690399311,4cyclictest81rcu_preempt10:41:031
1690399311,4cyclictest81rcu_preempt10:41:021
1690399311,28cyclictest0-21swapper/107:57:161
1690399311,28cyclictest0-21swapper/107:57:151
1690299319,18cyclictest117302chrt08:34:410
1690299314,4cyclictest81rcu_preempt11:49:330
16902993124,4cyclictest3-21ksoftirqd/007:35:390
1690299312,15cyclictest0-21swapper/008:35:130
16902993114,9cyclictest16900-21cyclictest11:29:570
16902993113,14cyclictest14115-21diskstats08:40:140
1690299311,26cyclictest16185-21hddtemp_smartct08:45:160
1690299311,26cyclictest16185-21hddtemp_smartct08:45:150
1690299311,15cyclictest19681-21awk10:10:230
142012310,3sleep0111rcuc/012:52:380
324832301,5sleep00-21swapper/008:01:290
278642301,5sleep00-21swapper/012:32:240
1690399304,4cyclictest81rcu_preempt11:30:401
1690399304,19cyclictest20054-21iostat_ios08:55:201
16903993017,10cyclictest22-21ksoftirqd/112:02:011
1690399301,4cyclictest81rcu_preempt12:10:591
1690399301,4cyclictest81rcu_preempt09:55:051
16903993013,13cyclictest23671-21ssh11:20:551
1690399301,27cyclictest0-21swapper/111:45:351
1690399301,15cyclictest21679-21unixbench_singl12:25:301
1690299303,4cyclictest81rcu_preempt11:52:140
1690299302,14cyclictest8027-21turbostat08:25:010
16902993012,5cyclictest29509-21diskstats07:55:160
16902993012,5cyclictest29509-21diskstats07:55:160
16902993011,6cyclictest10500-21sh09:27:440
16902993011,6cyclictest10500-21sh09:27:430
1690399299,16cyclictest24003-21ssh10:48:401
1690399294,4cyclictest81rcu_preempt10:13:131
1690399294,4cyclictest81rcu_preempt07:34:151
1690299291,4cyclictest81rcu_preempt09:20:050
119782291,3sleep112032-21hddtemp_smartct12:50:161
44842281,23sleep10-21swapper/108:15:121
1690399281,4cyclictest81rcu_preempt12:41:361
1690399281,4cyclictest81rcu_preempt08:34:581
16902992811,5cyclictest3063-21if_err_eth008:10:190
16903992720,5cyclictest0-21swapper/109:06:361
16903992718,6cyclictest22-21ksoftirqd/108:35:531
1690399271,4cyclictest81rcu_preempt07:45:511
16902992711,5cyclictest4999-21iostat_ios08:15:190
1690299271,13cyclictest1060-21ls08:05:180
1690299271,10cyclictest21336-21apt-get07:35:000
1690399262,9cyclictest31113-21/usr/sbin/munin08:00:171
1690399261,4cyclictest81rcu_preempt07:53:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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