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2026-02-02 - 12:34
[ 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 100 highest latencies:
System rack9slot4s (updated Mon Feb 02, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234319911381097,29cyclictest23867-21diskstats19:25:140
234329911131088,7cyclictest3749-21munin-run21:15:001
231802578534,30sleep10-21swapper/119:22:571
233692503408,32sleep00-21swapper/019:24:560
23431992551,250cyclictest0-21swapper/021:15:000
2343299162148,11cyclictest0-21swapper/119:25:141
2394321000,4sleep023944-21aten_r4power_vo20:50:110
32332850,3sleep10-21swapper/123:30:121
24942840,9sleep12343299cyclictest22:55:281
180402560,8sleep02343199cyclictest22:05:160
211322521,39sleep021143-21sh21:32:090
103232480,8sleep02343199cyclictest00:44:590
52692430,7sleep02343199cyclictest21:50:240
2343199419,4cyclictest0-21swapper/023:34:350
23431994023,13cyclictest2309-21cron23:20:000
2343199401,36cyclictest0-21swapper/023:25:160
290492381,4sleep12645-21snmpd21:41:231
23432993830,4cyclictest13418-21iostat_ios22:00:161
2343299381,18cyclictest0-21swapper/123:25:361
296912370,4sleep041ktimersoftd/022:50:230
2343199374,16cyclictest16243-21diskstats23:10:140
2343199372,11cyclictest0-21swapper/023:35:410
2343199372,11cyclictest0-21swapper/000:28:530
163362371,5sleep116439-21grep20:30:121
144792370,9sleep02343199cyclictest23:41:000
2343299363,29cyclictest0-21swapper/122:46:551
23432993628,6cyclictest0-21swapper/120:09:151
2343299361,12cyclictest239452cut20:50:111
2343199363,5cyclictest0-21swapper/022:35:150
2343199361,22cyclictest26010-21fschecks_count23:20:160
267492351,30sleep026872-21timerwakeupswit20:55:280
2343299354,5cyclictest40550irq/92-i91500:10:161
2343299353,5cyclictest81rcu_preempt00:33:471
2343199357,16cyclictest3885-21ssh21:49:460
23431993519,5cyclictest3-21ksoftirqd/021:58:250
2343199351,5cyclictest5913-21ssh22:59:560
2343199351,21cyclictest12307-21ssh22:32:250
2343299346,4cyclictest81rcu_preempt22:15:151
2343299344,4cyclictest81rcu_preempt23:38:301
2343299344,4cyclictest81rcu_preempt21:51:501
2343299344,4cyclictest81rcu_preempt21:36:231
2343299344,4cyclictest81rcu_preempt21:31:151
2343299344,4cyclictest81rcu_preempt00:38:271
2343299343,4cyclictest81rcu_preempt23:23:071
2343299343,4cyclictest81rcu_preempt21:46:241
2343299343,4cyclictest81rcu_preempt00:17:361
2343299342,29cyclictest0-21swapper/100:51:361
2343299342,29cyclictest0-21swapper/100:22:561
2343299341,30cyclictest0-21swapper/120:12:351
2343199343,4cyclictest81rcu_preempt21:18:500
23431993423,7cyclictest16531-21ssh00:51:170
2343199341,30cyclictest0-21swapper/000:12:360
2343199341,29cyclictest2403-21irqbalance00:21:160
2343199341,21cyclictest24850-21ssh22:11:490
2343299334,4cyclictest81rcu_preempt00:45:071
2343299333,4cyclictest81rcu_preempt23:10:591
2343299333,4cyclictest81rcu_preempt23:04:561
23432993325,5cyclictest27625-21/usr/sbin/munin21:00:151
23432993323,6cyclictest7952-21ssh00:08:271
2343299331,5cyclictest81rcu_preempt21:59:541
2343299331,4cyclictest81rcu_preempt23:58:321
2343299331,29cyclictest0-21swapper/123:45:351
23431993323,7cyclictest0-21swapper/000:37:560
2343199331,5cyclictest0-21swapper/020:17:560
2343199331,4cyclictest15225-21ssh22:01:560
2343199331,30cyclictest0-21swapper/019:35:360
2343199331,29cyclictest0-21swapper/020:30:360
2343199331,29cyclictest0-21swapper/020:25:350
2343199331,29cyclictest0-21swapper/000:07:560
23431993312,7cyclictest27915-21memory23:55:230
2343199331,21cyclictest30832-21ssh00:31:360
22812331,4sleep12295-21ssh00:02:261
2343299326,4cyclictest81rcu_preempt23:55:011
2343299324,4cyclictest81rcu_preempt22:24:311
2343299323,4cyclictest81rcu_preempt22:25:151
2343299323,3cyclictest81rcu_preempt21:18:311
2343299323,27cyclictest0-21swapper/121:26:151
2343299322,5cyclictest0-21swapper/122:10:541
2343299322,4cyclictest81rcu_preempt23:09:091
2343299321,5cyclictest81rcu_preempt21:07:251
2343299321,4cyclictest81rcu_preempt20:47:181
2343299321,28cyclictest0-21swapper/122:38:191
2343199324,4cyclictest81rcu_preempt00:19:570
2343199322,2cyclictest0-21swapper/023:46:470
23431993216,11cyclictest27689-21uniq22:15:150
2343199321,5cyclictest0-21swapper/023:01:560
2343199321,5cyclictest0-21swapper/019:56:150
2343199321,4cyclictest81rcu_preempt21:24:260
23431993210,4cyclictest0-21swapper/023:05:240
2343299314,4cyclictest81rcu_preempt22:52:081
2343299312,4cyclictest81rcu_preempt23:43:161
2343299311,4cyclictest81rcu_preempt19:51:501
2343299311,28cyclictest0-21swapper/122:07:371
2343299311,28cyclictest0-21swapper/120:56:161
2343199314,4cyclictest81rcu_preempt22:45:590
23431993120,7cyclictest0-21swapper/023:54:510
23431993116,10cyclictest0-21swapper/022:28:400
2343199311,4cyclictest81rcu_preempt20:00:110
2343299304,22cyclictest0-21swapper/122:43:171
2343299303,4cyclictest81rcu_preempt22:33:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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