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2026-02-28 - 00:03
[ 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 Fri Feb 27, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221219912521212,20cyclictest0-21swapper/107:26:001
221209912161194,19cyclictest0-21swapper/007:25:570
218552565518,32sleep10-21swapper/107:22:501
220312563518,30sleep00-21swapper/007:24:380
2692921210,2sleep026930-21cpuspeed_turbos07:35:110
1287621040,8sleep02212099cyclictest12:45:260
294952750,3sleep041ktimersoftd/012:30:000
2212199580,10cyclictest28032-21idleruntime-cro11:55:001
2212199551,16cyclictest23628-21ntp_states08:50:231
2212199540,14cyclictest19531-21taskset08:40:151
2212199534,15cyclictest1414-21diskstats10:20:141
2212199533,13cyclictest4661-21kworker/1:210:00:361
2212199514,14cyclictest211ktimersoftd/110:06:011
2212199511,16cyclictest11752-21ssh12:45:071
2212199511,15cyclictest4392-21df_inode11:30:131
2212199500,17cyclictest6134-21sh10:58:261
2212199500,17cyclictest12730-21sh09:58:191
2212199500,14cyclictest6012-21/usr/sbin/munin12:05:141
2212199490,16cyclictest21278-21ssh09:33:551
2212199490,16cyclictest11896-21sh09:24:211
2212199490,15cyclictest18444-21taskset10:37:221
2212199490,13cyclictest30166-21diskmemload10:31:551
2212199484,8cyclictest3302-21runrttasks12:51:111
22121994811,5cyclictest0-21swapper/110:25:191
2212199480,16cyclictest16745-21ssh11:09:501
2212199480,15cyclictest832-21rm09:12:321
2212199480,15cyclictest11148-21ssh12:44:231
2212199480,14cyclictest3485-21chrt09:15:161
2212199470,15cyclictest3891-21sh12:35:431
2212199470,15cyclictest3112-21sh09:48:261
2212199470,15cyclictest30299-21smartctl12:30:151
2212199470,15cyclictest26945-21ssh12:26:161
2212199461,14cyclictest24677-21rm09:36:511
2212199460,17cyclictest22735-21rm11:49:221
2212199460,15cyclictest18111-21ssh11:10:241
2212199460,15cyclictest1117-21ssh10:53:191
2212199460,13cyclictest22488-21ssh12:21:481
2212199450,16cyclictest15497-21rm11:40:521
2212199450,15cyclictest3195-21sh12:01:531
2212199450,15cyclictest31068-21rm11:24:371
2212199450,15cyclictest30857-21sh11:57:061
2212199450,15cyclictest29339-21ssh09:41:321
2212199450,15cyclictest10055-21ssh11:02:051
41552440,4sleep041ktimersoftd/012:36:060
2212199440,15cyclictest32243-21ssh10:18:311
2212199440,14cyclictest25305-21rm11:18:161
2212199440,14cyclictest16750-21sh09:29:211
2212199440,14cyclictest13555-21rm12:12:511
2212199431,20cyclictest0-21swapper/111:30:001
2212199430,16cyclictest30165-21ls09:10:001
2212199430,15cyclictest26989-21ssh10:12:551
2212199426,5cyclictest6595-21missed_timers08:05:221
2212199426,5cyclictest6595-21missed_timers08:05:211
2212199421,9cyclictest0-21swapper/110:45:321
2212199421,9cyclictest0-21swapper/109:50:101
2212199421,9cyclictest0-21swapper/108:10:131
22121994212,11cyclictest2645-21snmpd08:33:391
2212199420,14cyclictest18547-21sh12:18:071
210242420,8sleep02212099cyclictest10:06:180
2212199416,12cyclictest3302-21runrttasks07:56:031
2212199411,8cyclictest0-21swapper/110:41:251
2212199401,9cyclictest0-21swapper/111:36:481
2212199401,8cyclictest0-21swapper/108:45:201
2212199401,18cyclictest0-21swapper/108:25:151
167652400,8sleep02212099cyclictest12:15:320
298652391,3sleep030041-21/usr/sbin/munin12:30:100
2212199391,8cyclictest0-21swapper/108:15:121
2212199390,15cyclictest5608-21cron08:03:591
2212099396,4cyclictest81rcu_preempt10:45:280
2212099392,24cyclictest30497-21gdbus09:30:300
2212099391,24cyclictest23929-21/usr/sbin/munin11:50:150
2212099382,7cyclictest29035-21diskstats10:15:160
2212199372,16cyclictest28129-21seq07:36:521
2212099371,14cyclictest0-21swapper/011:28:410
22120993710,15cyclictest23221-21sh12:22:520
152702371,5sleep00-21swapper/008:30:100
2212199367,5cyclictest22-21ksoftirqd/108:36:531
2212199365,5cyclictest22-21ksoftirqd/109:00:201
2212199361,14cyclictest24804-21/usr/sbin/munin07:30:101
2212099366,4cyclictest81rcu_preempt09:25:220
2212099363,29cyclictest0-21swapper/009:58:360
2212099361,21cyclictest7436-21ssh11:00:050
2212099361,16cyclictest29044-21ssh11:55:220
22120993610,5cyclictest81rcu_preempt10:58:410
22120993610,13cyclictest25193-21fschecks_count07:30:140
2212199352,6cyclictest40550irq/92-i91508:55:221
2212099355,4cyclictest81rcu_preempt12:42:520
317492341,29sleep031883-21users09:10:290
250902341,4sleep025138-21sed10:45:000
2212199343,10cyclictest0-21swapper/107:47:301
2212199341,30cyclictest562-21perl07:50:161
2212099344,4cyclictest81rcu_preempt12:10:160
2212099342,29cyclictest0-21swapper/009:53:560
2212099342,20cyclictest21516-21irqstats08:45:190
2212099341,29cyclictest8719-21ssh10:27:150
83062331,4sleep08340-21iostat08:10:200
2212199337,6cyclictest22-21ksoftirqd/107:42:301
2212199330,14cyclictest12019-21smartctl08:20:171
2212099339,4cyclictest81rcu_preempt11:13:190
2212099339,12cyclictest10930-21aten_r4power_po10:30:100
2212099334,4cyclictest81rcu_preempt11:20:360
2212099334,4cyclictest81rcu_preempt10:35:210
2212099332,28cyclictest0-21swapper/011:33:560
2212099332,27cyclictest0-21swapper/011:36:590
2212099331,30cyclictest0-21swapper/009:09:560
2212099331,30cyclictest0-21swapper/008:36:560
2212099331,30cyclictest0-21swapper/007:46:560
2212099331,23cyclictest0-21swapper/010:02:550
2212099331,20cyclictest26649-21chrt10:12:240
16182331,28sleep01643-21ntp_states12:00:240
22120993225,5cyclictest0-21swapper/010:23:550
22120993223,5cyclictest14158-21ssh11:06:030
2212099322,18cyclictest12352-21ntp_states08:20:260
2212099321,4cyclictest81rcu_preempt10:50:310
2212099321,4cyclictest81rcu_preempt09:45:350
22120993210,19cyclictest0-21swapper/009:15:130
2212099313,16cyclictest11074-21ssh09:23:080
2212099312,8cyclictest81rcu_preempt11:45:580
2212099312,14cyclictest0-21swapper/012:09:370
2212099311,4cyclictest81rcu_preempt09:38:100
2212099311,4cyclictest81rcu_preempt09:03:130
2212099311,4cyclictest81rcu_preempt08:06:200
2212099311,4cyclictest81rcu_preempt08:06:190
2212099307,11cyclictest81rcu_preempt11:42:340
2212099302,4cyclictest81rcu_preempt11:16:560
2212099301,4cyclictest81rcu_preempt12:54:530
2212099301,25cyclictest0-21swapper/009:44:230
22120993011,6cyclictest5786-21grep08:05:010
2212099294,4cyclictest81rcu_preempt08:50:100
2212099292,13cyclictest19635-21iostat_ios08:40:180
22120992920,5cyclictest32583-21aten_r4power_cu07:50:110
2212099291,13cyclictest9910-21df_inode08:15:130
300642281,5sleep00-21swapper/007:42:160
2212099282,14cyclictest13694-21diskstats08:25:150
2212099282,13cyclictest2610-21irqstats07:55:190
260302271,5sleep00-21swapper/008:56:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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