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2026-01-19 - 18:09
[ 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 376 highest latencies:
System rack9slot4s (updated Mon Jan 19, 2026 12:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225259912661,1261cyclictest14240-21ssh09:25:281
225249911921152,34cyclictest23161-21sshd07:25:180
225259911071085,19cyclictest22949-21df07:25:131
220732525480,30sleep10-21swapper/107:20:521
224342509416,29sleep00-21swapper/007:24:390
2252499225204,16cyclictest0-21swapper/009:25:290
252772980,7sleep00-21swapper/007:30:110
224122860,8sleep12252599cyclictest08:45:271
234762840,9sleep02252499cyclictest12:22:140
234762840,9sleep02252499cyclictest12:22:140
316532700,4sleep041ktimersoftd/009:44:140
2252499694,18cyclictest30474-21/usr/sbin/munin12:30:320
105282460,7sleep02252499cyclictest08:15:160
93722430,3sleep1201rcuc/111:35:011
22524994322,5cyclictest3-21ksoftirqd/012:09:030
250502420,6sleep025051-21latency_hist08:55:010
245272421,4sleep124626-21hddtemp_smartct11:50:161
22524994126,11cyclictest0-21swapper/010:23:560
22524994126,11cyclictest0-21swapper/010:23:550
91642400,5sleep02252499cyclictest10:27:120
2252499409,14cyclictest30497-21gdbus11:34:150
2252599395,5cyclictest81rcu_preempt12:30:471
2252599394,31cyclictest0-21swapper/109:56:551
2252499386,5cyclictest81rcu_preempt10:34:480
311932376,4sleep081rcu_preempt07:45:140
2252599377,4cyclictest30597-21diskmemload12:22:331
2252599377,4cyclictest30597-21diskmemload12:22:331
2252599377,27cyclictest12994-21sh12:11:061
2252599371,16cyclictest0-21swapper/111:46:271
22524993715,5cyclictest3-21ksoftirqd/011:09:080
2252499371,32cyclictest0-21swapper/010:11:560
326922360,4sleep023753-21kworker/0:010:51:150
2252599368,6cyclictest2668-21sshd08:35:171
22525993627,5cyclictest0-21swapper/110:11:351
22525993619,4cyclictest22-21ksoftirqd/112:04:011
2252499365,5cyclictest2744-21grep07:55:170
2252499363,17cyclictest27328-21users10:45:320
2252499362,31cyclictest0-21swapper/009:53:150
22524993616,5cyclictest3-21ksoftirqd/010:59:530
22524993611,13cyclictest823-21sh11:59:430
47922351,10sleep10-21swapper/110:22:541
47922351,10sleep10-21swapper/110:22:541
2252599354,4cyclictest81rcu_preempt10:40:251
2252599353,30cyclictest0-21swapper/108:52:561
22525993527,5cyclictest0-21swapper/112:51:351
22525993526,6cyclictest0-21swapper/110:29:061
22525993526,5cyclictest13456-21kworker/1:012:09:361
2252599351,5cyclictest2472-21ssh09:46:561
2252499354,17cyclictest15415-21memory10:00:220
2252499353,29cyclictest0-21swapper/011:42:390
22524993527,5cyclictest0-21swapper/010:37:560
2252499352,4cyclictest19870-21fschecks_count10:05:160
22524993522,10cyclictest1968-21lldpad11:27:160
22524993520,4cyclictest3-21ksoftirqd/011:00:210
22524993520,4cyclictest3-21ksoftirqd/011:00:210
22524993519,5cyclictest3-21ksoftirqd/012:48:040
22524993515,5cyclictest3-21ksoftirqd/012:13:150
2252499351,30cyclictest313-21df09:45:150
2252499351,29cyclictest2309-21cron10:20:010
2252599349,6cyclictest30962sleep09:15:001
2252599349,4cyclictest81rcu_preempt10:35:161
2252599345,4cyclictest81rcu_preempt07:33:591
22525993427,4cyclictest30702-21/usr/sbin/munin10:50:161
2252599341,30cyclictest0-21swapper/110:55:351
2252599341,29cyclictest0-21swapper/109:37:351
2252499348,7cyclictest3-21ksoftirqd/009:10:200
2252499343,19cyclictest0-21swapper/011:35:210
2252499342,29cyclictest0-21swapper/012:26:360
2252599337,4cyclictest81rcu_preempt08:44:221
2252599336,5cyclictest81rcu_preempt09:30:191
2252599334,4cyclictest81rcu_preempt10:15:551
22525993326,5cyclictest0-21swapper/108:29:351
2252599331,7cyclictest18399-21ssh12:16:561
2252599331,30cyclictest0-21swapper/111:06:161
2252599331,30cyclictest0-21swapper/108:57:361
2252599331,29cyclictest0-21swapper/108:31:151
2252599331,28cyclictest27757-21diskstats11:20:151
2252499333,5cyclictest81rcu_preempt09:58:040
2252499332,13cyclictest0-21swapper/010:44:160
22524993318,5cyclictest3-21ksoftirqd/012:50:200
22524993317,6cyclictest3-21ksoftirqd/009:17:320
22524993316,5cyclictest26594-21ssh11:52:010
2252499331,4cyclictest81rcu_preempt09:36:570
22524993312,8cyclictest27973-21ssh11:20:170
119952339,20sleep012136-21grep08:20:120
49182326,5sleep14928-21ssh09:50:091
2252599328,6cyclictest30497-21gdbus07:50:161
2252599324,4cyclictest81rcu_preempt11:55:421
2252599323,4cyclictest81rcu_preempt12:29:431
2252599321,5cyclictest0-21swapper/110:07:361
2252599321,4cyclictest81rcu_preempt09:01:021
2252599321,29cyclictest0-21swapper/111:19:361
2252599321,28cyclictest0-21swapper/107:35:151
2252599321,11cyclictest150972fschecks_time10:00:161
2252499324,4cyclictest81rcu_preempt11:17:250
2252499321,5cyclictest0-21swapper/007:39:560
22524993214,5cyclictest3-21ksoftirqd/009:33:020
22524993213,5cyclictest20476-21python08:40:260
22524993212,6cyclictest28702-21cron09:05:000
22524993211,5cyclictest9923-21ssh12:41:280
260532310,7sleep0111rcuc/008:55:270
2252599316,4cyclictest81rcu_preempt12:49:051
2252599315,4cyclictest81rcu_preempt08:03:281
2252599314,4cyclictest81rcu_preempt08:13:201
2252599312,4cyclictest81rcu_preempt11:25:041
22525993124,4cyclictest0-21swapper/111:37:351
2252599312,25cyclictest14839-21tune2fs11:40:161
2252599311,7cyclictest12410-21processes10:30:251
2252599311,4cyclictest8455-21fschecks_count11:00:161
2252599311,4cyclictest8455-21fschecks_count11:00:151
2252599311,4cyclictest81rcu_preempt09:21:011
2252499312,18cyclictest0-21swapper/012:39:400
22524993111,6cyclictest19277-21wget11:45:110
22524993111,5cyclictest18715-21ssh11:10:260
191172311,24sleep019128-21ssh12:17:590
18102311,5sleep00-21swapper/007:52:420
22525993020,6cyclictest10526-21perl08:15:151
2252599301,3cyclictest0-21swapper/112:36:161
2252599301,26cyclictest0-21swapper/109:41:351
2252499303,4cyclictest81rcu_preempt09:22:130
2252499302,15cyclictest0-21swapper/008:05:300
2252499302,13cyclictest1644-21df12:00:150
22524993012,5cyclictest29851-21ntp_states07:40:240
22524993011,6cyclictest5011-21iostat08:00:170
22524993011,6cyclictest16519-21ntp_states08:30:250
2252599292,4cyclictest81rcu_preempt10:49:121
2252599291,4cyclictest81rcu_preempt11:13:381
22524992912,5cyclictest14649-21ntp_states08:25:230
22524992911,6cyclictest29559-21memory09:05:210
22524992911,14cyclictest22873-21taskset08:48:080
190202291,5sleep00-21swapper/008:37:200
119382291,24sleep111990-21wget08:20:111
73892281,5sleep10-21swapper/109:19:141
313982281,5sleep10-21swapper/107:45:171
22525992812,12cyclictest9525-21sh12:40:531
306082271,5sleep10-21swapper/107:43:451
2252599271,4cyclictest81rcu_preempt08:07:541
22525992710,14cyclictest3542-21unixbench_singl07:55:311
2252499267,15cyclictest2645-21snmpd08:13:360
2252599251,11cyclictest30355-21chrt09:07:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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