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2026-02-04 - 10:36
[ 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 Wed Feb 04, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265069912371217,17cyclictest12143-21ssh21:20:121
265069911971168,25cyclictest0-21swapper/119:25:111
265059911921142,20cyclictest27139-21hddtemp_smartct19:25:160
249152604526,64sleep10-21swapper/119:20:111
261762577530,31sleep00-21swapper/019:22:050
2650599208182,5cyclictest0-21swapper/021:20:120
77322670,7sleep02650599cyclictest23:29:230
170232550,4sleep0111rcuc/023:38:520
233372530,8sleep12650699cyclictest00:53:351
281362490,8sleep02650599cyclictest22:43:180
309902450,7sleep02650599cyclictest21:00:140
210452450,7sleep12650699cyclictest22:35:281
169142420,4sleep1211ktimersoftd/100:45:221
241132390,5sleep0111rcuc/022:05:270
26506993826,6cyclictest15183-21ssh23:36:111
2650599385,5cyclictest81rcu_preempt00:40:000
26505993818,5cyclictest3-21ksoftirqd/022:31:540
26505993817,5cyclictest3-21ksoftirqd/022:13:110
26506993726,6cyclictest2385-21cut22:50:161
26505993722,5cyclictest3-21ksoftirqd/022:15:120
26505993721,5cyclictest3-21ksoftirqd/000:02:260
26505993717,5cyclictest3-21ksoftirqd/023:53:030
26505993717,5cyclictest3-21ksoftirqd/000:22:180
26505993711,11cyclictest3-21ksoftirqd/023:02:300
2650699362,15cyclictest0-21swapper/123:46:131
2650699361,31cyclictest14230-21perl20:15:151
26505993621,5cyclictest3-21ksoftirqd/000:15:360
26505993621,4cyclictest3-21ksoftirqd/023:33:540
26505993620,5cyclictest3-21ksoftirqd/000:40:310
26505993617,5cyclictest3-21ksoftirqd/021:44:350
26505993617,5cyclictest3-21ksoftirqd/021:44:350
26505993617,4cyclictest3-21ksoftirqd/022:49:040
26505993616,5cyclictest3-21ksoftirqd/000:33:100
180822360,8sleep00-21swapper/020:25:250
168502360,4sleep1211ktimersoftd/121:58:181
132852364,10sleep113296-21ssh23:00:361
279942351,30sleep128157-21sed20:50:291
2650699357,4cyclictest81rcu_preempt00:38:351
2650699354,3cyclictest0-21swapper/100:15:361
2650699352,29cyclictest0-21swapper/122:42:161
2650699352,21cyclictest0-21swapper/122:10:091
2650599359,15cyclictest3-21ksoftirqd/022:39:010
2650599359,10cyclictest18747-21iostat23:40:180
2650599357,24cyclictest0-21swapper/021:52:150
2650599354,16cyclictest8414-21diskstats20:00:140
26505993518,6cyclictest3-21ksoftirqd/021:29:290
26505993514,5cyclictest3-21ksoftirqd/021:48:180
26505993511,12cyclictest3302-21runrttasks20:33:560
229222350,8sleep02650599cyclictest21:30:290
2650699345,4cyclictest81rcu_preempt23:25:131
2650699344,4cyclictest81rcu_preempt23:40:251
2650699344,4cyclictest81rcu_preempt22:48:221
2650699343,29cyclictest0-21swapper/100:05:361
2650699342,4cyclictest81rcu_preempt21:25:041
2650699341,5cyclictest2403-21irqbalance19:57:151
2650699341,5cyclictest2125-21/usr/sbin/munin21:10:151
26506993414,6cyclictest19244-21watchsnmpd20:30:001
2650699341,30cyclictest0-21swapper/120:57:351
2650699341,30cyclictest0-21swapper/120:13:561
2650699341,30cyclictest0-21swapper/100:32:561
2650699341,29cyclictest6698-21ssh21:47:351
2650599349,6cyclictest24366-21users23:45:300
26505993418,5cyclictest3-21ksoftirqd/023:12:580
2650599341,7cyclictest1968-21lldpad23:22:000
26505993417,6cyclictest3-21ksoftirqd/022:02:040
26505993413,5cyclictest3-21ksoftirqd/021:15:540
2650599341,21cyclictest20021-21pidof00:50:010
2650699335,5cyclictest81rcu_preempt22:07:081
2650699334,5cyclictest81rcu_preempt22:56:261
2650699333,15cyclictest0-21swapper/121:18:441
2650699331,30cyclictest0-21swapper/121:08:161
2650699331,29cyclictest17469-21ssh00:12:151
2650699331,29cyclictest0-21swapper/120:48:361
2650699331,18cyclictest2206-21dbus-daemon22:28:291
2650599338,12cyclictest4625-21df19:50:120
2650599334,4cyclictest81rcu_preempt22:28:370
26505993318,4cyclictest3-21ksoftirqd/022:51:140
2650599331,5cyclictest16280-21runrttasks21:57:270
26505993313,5cyclictest0-21swapper/023:17:330
2650599331,30cyclictest0-21swapper/020:47:560
2650599331,30cyclictest0-21swapper/019:44:560
2650599331,29cyclictest29103-21ssh21:37:160
2650599331,29cyclictest1841-21diskmemload00:13:560
2650599331,28cyclictest2309-21cron00:30:010
2650599331,28cyclictest2309-21cron00:00:000
2650599331,20cyclictest31633-21iostat19:35:200
2650699326,14cyclictest0-21swapper/123:15:561
2650699324,4cyclictest81rcu_preempt23:34:201
2650699324,4cyclictest81rcu_preempt21:32:251
2650699324,4cyclictest81rcu_preempt00:45:001
2650699324,25cyclictest2108-21cron19:44:001
2650699323,5cyclictest81rcu_preempt22:31:531
2650699321,5cyclictest0-21swapper/122:23:371
2650699321,29cyclictest0-21swapper/120:02:161
2650699321,29cyclictest0-21swapper/119:54:151
2650599322,15cyclictest0-21swapper/000:07:430
2650599321,28cyclictest0-21swapper/022:55:150
14662321,4sleep11478-21ssh21:42:141
14662321,4sleep11478-21ssh21:42:131
308832311,4sleep131006-21ssh23:20:011
2650699313,4cyclictest81rcu_preempt23:12:581
2650699313,4cyclictest81rcu_preempt21:54:331
2650699311,4cyclictest81rcu_preempt21:38:191
2650699311,26cyclictest1968-21lldpad20:23:251
2650599318,6cyclictest3-21ksoftirqd/000:50:220
2650599314,4cyclictest81rcu_preempt20:10:100
2650599313,4cyclictest81rcu_preempt22:22:060
26505993124,5cyclictest0-21swapper/020:19:560
26505993116,5cyclictest3-21ksoftirqd/021:12:270
26505993116,5cyclictest3-21ksoftirqd/020:44:180
26505993115,6cyclictest3-21ksoftirqd/020:09:550
26505993115,5cyclictest3-21ksoftirqd/019:56:190
2650599311,28cyclictest0-21swapper/019:31:150
2650599311,27cyclictest0-21swapper/019:47:360
2650699304,20cyclictest31340-21diskstats19:35:161
2650699303,4cyclictest81rcu_preempt23:59:051
2650699303,3cyclictest81rcu_preempt19:47:071
2650699302,4cyclictest81rcu_preempt23:53:161
26506993021,6cyclictest0-21swapper/119:31:001
26506993017,8cyclictest29660-21diskstats00:25:151
2650699301,4cyclictest81rcu_preempt20:07:091
2650699301,10cyclictest0-21swapper/121:00:171
228962304,5sleep00-21swapper/020:39:070
302202291,5sleep00-21swapper/020:57:020
2650699292,15cyclictest0-21swapper/123:06:051
2650699291,4cyclictest81rcu_preempt22:16:241
2650699291,4cyclictest81rcu_preempt00:03:021
26505992922,5cyclictest0-21swapper/020:50:350
2650599292,23cyclictest16895-21df_inode23:05:130
2650599292,14cyclictest0-21swapper/020:20:510
26506992816,4cyclictest22-21ksoftirqd/122:00:061
2650699281,4cyclictest81rcu_preempt00:20:231
2650699281,23cyclictest23688-21grep20:40:171
2650699281,13cyclictest0-21swapper/120:35:121
2650599281,14cyclictest1306-21unixbench_multi21:05:280
208832281,5sleep10-21swapper/120:32:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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