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2026-02-16 - 15:36
[ 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 792 highest latencies:
System rack9slot4s (updated Mon Feb 16, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291449912391216,19cyclictest30261-21mailstats07:25:261
291439912121187,22cyclictest0-21swapper/007:25:340
291449910861076,7cyclictest0-21swapper/112:35:151
290062596516,63sleep00-21swapper/007:24:070
288682572488,42sleep10-21swapper/107:22:431
2914399275215,36cyclictest2403-21irqbalance12:35:150
178002950,8sleep12914499cyclictest11:02:371
8702780,3sleep041ktimersoftd/008:59:000
247852570,8sleep12914499cyclictest09:30:121
92412530,8sleep12914499cyclictest11:27:011
2914499449,31cyclictest0-21swapper/111:12:361
24662440,8sleep12914499cyclictest10:46:371
29144994213,4cyclictest81rcu_preempt09:35:211
289232422,36sleep128996-21python10:40:281
289232422,36sleep128996-21python10:40:281
146412420,5sleep113255-21/usr/sbin/munin10:25:291
62422410,22sleep122-21ksoftirqd/109:44:371
29144994121,6cyclictest20958-21sleep11:39:591
2914399401,4cyclictest81rcu_preempt10:05:270
304022391,34sleep030412-21ssh10:42:080
304022391,34sleep030412-21ssh10:42:070
35962380,5sleep03599-21aten_r4power_en10:15:120
2914499381,17cyclictest0-21swapper/109:16:031
29144993811,4cyclictest81rcu_preempt09:20:281
2914399385,5cyclictest81rcu_preempt11:20:180
2914399385,28cyclictest2309-21cron09:55:000
230952380,8sleep12914499cyclictest09:28:161
29144993717,9cyclictest22-21ksoftirqd/109:47:401
2914399376,19cyclictest0-21swapper/012:41:300
74642361,3sleep07475-21sh11:59:180
2914499365,4cyclictest81rcu_preempt10:50:041
29143993624,10cyclictest0-21swapper/009:22:560
224512361,3sleep12645-21snmpd12:14:581
190092361,31sleep119057-21ntp_states10:30:241
293312351,5sleep00-21swapper/008:46:270
2914499358,4cyclictest22-21ksoftirqd/110:56:431
2914499355,4cyclictest81rcu_preempt09:10:151
2914499352,5cyclictest0-21swapper/112:41:561
29143993526,5cyclictest0-21swapper/010:22:560
29143993525,6cyclictest30354-21ssh12:22:180
29143993524,8cyclictest0-21swapper/010:35:360
2914399352,29cyclictest0-21swapper/011:38:560
2914399351,15cyclictest0-21swapper/009:27:420
29143993510,13cyclictest0-21swapper/011:01:290
253852351,30sleep125399-21ssh10:36:561
225462350,7sleep12914499cyclictest08:30:111
29144993429,3cyclictest138250irq/90-eth010:05:031
29144993425,4cyclictest22-21ksoftirqd/112:20:071
29144993416,6cyclictest22-21ksoftirqd/112:30:011
2914399343,25cyclictest3447-21diskstats09:05:140
2914399342,10cyclictest81rcu_preempt11:10:260
2914399341,6cyclictest0-21swapper/011:48:150
2914399341,5cyclictest21483-21ssh12:46:560
2914399341,5cyclictest14221-21ssh11:32:160
305212331,4sleep081rcu_preempt08:50:220
2914499335,5cyclictest81rcu_preempt11:55:251
2914499333,4cyclictest81rcu_preempt11:34:051
2914499333,28cyclictest0-21swapper/107:51:361
2914499332,13cyclictest3302-21runrttasks09:05:201
2914499331,28cyclictest0-21swapper/112:05:551
2914499331,10cyclictest14584-21ssh09:52:411
2914399338,22cyclictest0-21swapper/011:16:470
2914399337,5cyclictest8824-21/usr/sbin/munin12:00:160
2914399337,13cyclictest5208-21cpuspeed_turbos12:30:130
2914399337,13cyclictest5208-21cpuspeed_turbos12:30:120
2914399334,6cyclictest81rcu_preempt09:55:550
2914399334,4cyclictest81rcu_preempt09:16:300
29143993326,5cyclictest0-21swapper/008:36:360
29143993323,6cyclictest8448-21ssh09:13:100
2914399331,30cyclictest0-21swapper/008:14:360
29143993312,6cyclictest32006-21ntp_states10:10:250
2914399331,19cyclictest24945-21ssh11:43:480
262502331,5sleep00-21swapper/012:53:090
184782331,28sleep018514-21hwlatdetect12:10:170
303062321,27sleep130333-21ntp_states11:15:231
2914499325,4cyclictest81rcu_preempt09:03:021
2914499325,23cyclictest0-21swapper/110:16:271
2914499324,4cyclictest81rcu_preempt09:55:561
2914499323,4cyclictest81rcu_preempt11:05:281
2914499321,29cyclictest0-21swapper/110:10:351
29144993211,4cyclictest81rcu_preempt12:15:251
29144993210,4cyclictest81rcu_preempt12:30:221
29144993210,4cyclictest81rcu_preempt12:30:221
2914399323,4cyclictest81rcu_preempt12:19:140
2914399323,17cyclictest0-21swapper/007:35:250
29143993223,5cyclictest0-21swapper/011:54:180
29143993222,6cyclictest21775-21ssh11:06:230
2914399321,29cyclictest0-21swapper/007:58:160
192462321,27sleep119256-21ssh12:45:081
2914499316,4cyclictest81rcu_preempt11:50:121
29144993124,5cyclictest0-21swapper/111:47:561
29144993119,9cyclictest22-21ksoftirqd/111:40:181
29144993116,4cyclictest22-21ksoftirqd/110:23:081
2914499311,4cyclictest81rcu_preempt12:00:101
2914499311,28cyclictest0-21swapper/107:57:561
2914399313,4cyclictest81rcu_preempt09:36:260
2914399313,15cyclictest0-21swapper/008:18:040
29143993122,5cyclictest2309-21cron10:54:590
29143993112,5cyclictest6192-21python07:45:280
189822310,5sleep0111rcuc/008:20:150
48972301,5sleep00-21swapper/007:43:500
43682301,4sleep04380-21rm12:29:300
319402301,25sleep032109-21df07:30:110
2914499303,25cyclictest4429-21kworker/u4:010:04:061
2914499303,25cyclictest4429-21kworker/u4:010:04:051
2914499301,6cyclictest81rcu_preempt08:37:191
2914499301,4cyclictest81rcu_preempt12:50:111
2914499301,4cyclictest81rcu_preempt11:20:371
2914499301,4cyclictest81rcu_preempt08:46:331
2914499301,4cyclictest81rcu_preempt08:20:271
2914499301,4cyclictest81rcu_preempt08:10:281
2914499301,3cyclictest81rcu_preempt08:50:221
2914499300,4cyclictest81rcu_preempt08:07:221
2914399304,4cyclictest24554-21/usr/sbin/munin09:30:280
2914399303,5cyclictest81rcu_preempt10:55:120
2914399302,4cyclictest81rcu_preempt10:28:180
29143993022,6cyclictest0-21swapper/008:41:350
2914399302,12cyclictest7419-21iostat_ios11:25:200
29143993017,9cyclictest3-21ksoftirqd/009:44:420
2914399301,15cyclictest21429-21wget10:00:120
2914399301,15cyclictest21429-21wget10:00:120
2914399301,12cyclictest13106-21/usr/sbin/munin12:05:290
76542291,3sleep07656-21irqstats07:50:220
46322291,5sleep10-21swapper/107:41:011
29144992922,5cyclictest0-21swapper/108:01:361
2914399297,10cyclictest0-21swapper/009:46:240
2914399292,14cyclictest11636-21iostat08:00:210
2914399291,15cyclictest20935-21hddtemp_smartct08:25:160
29143992911,5cyclictest19481-21unixbench_multi10:30:300
27462291,5sleep00-21swapper/009:02:410
220852291,5sleep10-21swapper/108:29:221
181362291,5sleep10-21swapper/108:17:301
7152281,5sleep10-21swapper/107:31:131
2914499282,4cyclictest81rcu_preempt08:40:271
2914399282,16cyclictest0-21swapper/010:48:140
2914399281,14cyclictest14709-21grep08:10:000
236232281,5sleep00-21swapper/008:30:520
2914499275,4cyclictest81rcu_preempt07:48:591
28472271,5sleep10-21swapper/107:37:201
2914499261,4cyclictest81rcu_preempt08:55:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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