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2026-01-24 - 18:46
[ 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 Sat Jan 24, 2026 12:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311909912321191,37cyclictest31597-21expr07:25:131
311899911671128,18cyclictest31825-21hddtemp_smartct07:25:160
311909911031084,16cyclictest4717-21strings09:40:221
308202517473,30sleep10-21swapper/107:21:481
307812513417,30sleep00-21swapper/007:21:240
3118999173163,7cyclictest0-21swapper/009:40:220
75512910,8sleep03118999cyclictest10:50:210
184642860,7sleep13119099cyclictest10:28:231
301132850,8sleep03118999cyclictest11:46:590
3119099811,45cyclictest14273-21chrt09:16:401
3119099771,41cyclictest23749-21/usr/sbin/munin11:40:231
3119099761,46cyclictest30906-21taskset09:34:451
3119099761,39cyclictest15769-21taskset10:59:171
3119099761,32cyclictest20716-21/usr/sbin/munin12:45:191
3119099742,35cyclictest19460-21ssh12:43:151
3119099741,45cyclictest3283-21/usr/sbin/munin09:00:241
3119099731,38cyclictest8995-21if_eth011:25:181
89592720,3sleep10-21swapper/110:18:381
3119099726,33cyclictest24422-21latency_hist10:35:011
3119099722,36cyclictest24921-21tr10:35:141
3119099722,35cyclictest3574-21ssh10:45:371
3119099722,33cyclictest14969-21users09:50:311
3119099721,42cyclictest13723-21rm11:30:171
3119099721,38cyclictest16835-21aten_r4power_en08:10:121
3119099721,38cyclictest11131-21latency_hist07:55:011
3119099721,38cyclictest11131-21latency_hist07:55:011
3119099721,36cyclictest6811-21chrt07:42:281
3119099721,36cyclictest14737-21chrt08:04:441
3119099712,33cyclictest8658-21ssh09:45:081
3119099712,33cyclictest8658-21ssh09:45:081
3119099712,33cyclictest26485-21df08:35:131
3119099711,36cyclictest10692-21taskset09:13:321
3119099711,35cyclictest932-21chrt08:53:101
3119099711,35cyclictest5078-21chrt07:39:101
3119099711,35cyclictest23996-21chrt08:28:191
3119099711,35cyclictest19964-21chrt08:15:341
3119099702,36cyclictest18381-21aten_r4power_en09:55:121
3119099702,33cyclictest20302-21runrttasks12:10:241
3119099701,38cyclictest6888-21diskmemload12:05:191
3119099701,37cyclictest6347-21ssh12:30:051
3119099701,35cyclictest3302-21runrttasks12:27:581
3119099701,34cyclictest8913-21chrt07:47:521
3119099701,34cyclictest2654-21chrt08:56:061
3119099701,34cyclictest25642-21chrt08:30:561
3119099701,34cyclictest19271-21sh11:02:211
3119099701,34cyclictest19271-21sh11:02:201
3119099701,33cyclictest3959-21chrt11:54:001
3119099701,33cyclictest30265-21diskstats08:45:131
3119099701,33cyclictest12757-21chrt07:58:521
3119099701,32cyclictest32171-21ssh10:09:241
3119099692,35cyclictest10391-21iostat_ios12:00:201
3119099691,36cyclictest2937-21chrt07:31:581
3119099691,34cyclictest26078-21taskset10:02:361
3119099691,34cyclictest21188-21taskset09:24:411
3119099691,33cyclictest9077-21taskset11:59:281
3119099691,33cyclictest5620-21taskset11:21:241
3119099682,33cyclictest13318-21ssh10:22:541
3119099682,31cyclictest20862-21df_inode08:20:131
3119099681,42cyclictest28919-21ntpq08:40:221
3119099681,39cyclictest1652-21cat10:10:291
3119099681,36cyclictest31380-21sh11:15:141
3119099681,34cyclictest25449-21ssh09:28:511
3119099681,33cyclictest25267-21taskset12:50:141
3119099681,32cyclictest23558-21taskset11:06:331
194312680,3sleep019432-21sh09:22:080
3119099679,30cyclictest24701-21uniq12:15:161
3119099672,34cyclictest6888-21diskmemload09:37:231
3119099671,38cyclictest19713-21sh11:35:541
3119099671,34cyclictest138250irq/90-eth011:45:171
3119099671,31cyclictest30075-21ntpq12:20:281
3119099652,31cyclictest15761-21ntp_states08:05:251
3119099651,31cyclictest8531-21seq10:50:481
3119099642,34cyclictest6888-21diskmemload11:11:131
3119099632,36cyclictest5169-21/usr/sbin/munin09:05:121
3119099631,33cyclictest1050-21chrt10:44:101
253482630,7sleep03118999cyclictest09:28:420
3119099611,47cyclictest14441-21pidof12:38:001
237162590,2sleep023717-21sh10:00:160
185632550,8sleep03118999cyclictest08:15:010
76292410,2sleep07630-21cat12:30:260
51702400,4sleep00-21swapper/011:55:130
3118999402,25cyclictest0-21swapper/012:11:130
48482390,3sleep00-21swapper/010:47:280
94762378,10sleep09489-21ssh10:19:240
3118999379,11cyclictest3412-21ssh10:12:350
3118999375,28cyclictest0-21swapper/011:14:350
3118999363,4cyclictest81rcu_preempt12:35:560
3118999363,29cyclictest0-21swapper/009:35:150
3118999362,21cyclictest11751-21iostat07:55:190
3118999355,26cyclictest18795-21fschecks_time09:55:150
3118999353,29cyclictest0-21swapper/012:25:160
3118999353,29cyclictest0-21swapper/010:36:000
3118999352,29cyclictest0-21swapper/011:01:550
3118999352,29cyclictest0-21swapper/011:01:550
3118999352,21cyclictest27217-21python08:35:280
31189993510,8cyclictest0-21swapper/009:14:530
31189993510,12cyclictest28771-21idleruntime-cro12:20:000
252892350,8sleep03118999cyclictest11:41:590
3118999348,5cyclictest78982sed07:45:220
3118999344,5cyclictest81rcu_preempt11:38:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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