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2026-03-02 - 13:52
[ 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 highest latencies:
System rack9slot4s (updated Mon Mar 02, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138109912711239,22cyclictest0-21swapper/019:25:570
138119911501108,24cyclictest14785-21ntp_states19:25:251
136662562518,29sleep10-21swapper/119:24:011
136052464417,32sleep00-21swapper/019:23:240
169902970,4sleep016985-21proc_pri20:55:260
309202960,8sleep11381199cyclictest21:19:251
251372900,8sleep01381099cyclictest23:25:540
60432770,4sleep00-21swapper/000:13:470
298462700,4sleep10-21swapper/123:30:441
18262700,6sleep11823-21ps20:15:261
1381199596,17cyclictest3020-21taskset22:30:181
1381199588,15cyclictest3302-21runrttasks22:00:451
1381199586,16cyclictest17865-21taskset19:31:441
1381199585,18cyclictest28543-21taskset00:36:131
1381199584,11cyclictest5548-21/usr/sbin/munin23:40:291
1381199566,16cyclictest32007-21hddtemp_smartct00:40:191
1381199566,15cyclictest5349-21ssh23:40:021
1381199566,15cyclictest19973-21sh23:55:001
1381199566,15cyclictest19973-21sh23:55:001
1381199566,15cyclictest15359-21ssh22:43:001
1381199565,15cyclictest22421-21sh22:16:291
1381199565,15cyclictest20827-21ssh00:29:061
1381199563,18cyclictest21611-21diskmemload21:35:431
56762550,9sleep01381099cyclictest23:05:450
1381199557,15cyclictest27668-21sh23:29:341
1381199556,16cyclictest9785-21sh00:50:471
1381199556,15cyclictest7676-21ssh00:49:351
1381199556,15cyclictest3302-21runrttasks21:26:201
1381199556,15cyclictest13589-21rm23:47:581
1381199555,23cyclictest25269-21taskset19:50:311
1381199555,16cyclictest30797-21ntpq00:05:261
1381199555,16cyclictest29606-21ssh22:24:531
1381199555,16cyclictest26820-21ssh21:48:081
1381199555,16cyclictest21807-21basename00:30:101
1381199555,15cyclictest2968-21taskset21:56:261
1381199554,16cyclictest32267-21ssh22:26:431
1381199551,20cyclictest26677-21ssh22:55:111
1381199547,15cyclictest138250irq/90-eth000:10:211
1381199546,15cyclictest2206-21dbus-daemon21:33:341
1381199546,14cyclictest19503-21ntp_states23:20:241
1381199545,16cyclictest26650-21ssh00:00:491
1381199545,16cyclictest20133-21ssh22:47:561
1381199545,15cyclictest30560-21rm21:51:331
1381199545,15cyclictest19446-21ssh22:14:131
1381199545,14cyclictest7596-21df22:35:131
1381199545,14cyclictest11502-21sh00:19:411
1381199543,16cyclictest25599-21chrt22:53:501
1381199540,21cyclictest7502-21ssh23:08:241
315762530,7sleep01381099cyclictest21:20:060
1381199536,17cyclictest22679-21ssh21:44:091
1381199536,15cyclictest12094-21rm23:13:031
1381199535,15cyclictest21847-21chrt19:43:581
1381199533,16cyclictest6623-21latency_hist20:30:011
1381199524,15cyclictest12063-21ssh22:05:321
1381199523,16cyclictest31120-21chrt20:07:381
1381199523,15cyclictest10495-21aten_r4power_cu20:40:111
1381199522,17cyclictest32099-21ssh23:00:161
1381199519,8cyclictest19527-21grep19:35:261
1381199516,16cyclictest2051-21rm21:22:321
1381199516,16cyclictest15319-21ssh23:15:411
1381199516,15cyclictest13717-21ssh00:20:491
1381199515,15cyclictest22796-21ntp_states21:10:231
1381199514,15cyclictest3219-21df_inode20:20:131
1381199504,15cyclictest22543-21ssh23:56:541
1381199503,15cyclictest21503-21chrt21:09:081
1381199501,18cyclictest13818-21chrt20:47:261
1381199491,16cyclictest574-21chrt20:13:031
1381199491,15cyclictest15841-21chrt20:53:591
1381199491,13cyclictest19621-21chrt21:04:021
1381199483,15cyclictest28249-21smartctl20:00:171
1381199481,16cyclictest27199-21chrt19:56:061
1381199480,12cyclictest8164-21chrt20:32:261
1381199471,15cyclictest17579-21chrt20:57:311
1381199450,14cyclictest0-21swapper/120:36:041
130602430,8sleep01381099cyclictest23:47:120
1381099428,30cyclictest0-21swapper/021:45:360
1381099421,12cyclictest10660-21ssh22:38:150
1381199412,16cyclictest23948-21latency_hist19:50:011
13810994013,8cyclictest27003-21diskstats22:55:150
1381099397,28cyclictest0-21swapper/023:01:360
13810993813,20cyclictest22145-21df22:50:140
55532371,4sleep05567-21ssh22:32:550
239612370,4sleep00-21swapper/000:31:360
293162361,5sleep029356-21/usr/sbin/munin21:50:240
13810993622,10cyclictest138250irq/90-eth021:40:110
1381099362,16cyclictest19242-21iostat_ios23:20:190
1381099362,10cyclictest81rcu_preempt00:36:410
1381099361,32cyclictest0-21swapper/021:37:070
1381099361,22cyclictest21922-21ssh23:56:000
1381099361,11cyclictest81rcu_preempt20:30:470
1381099354,5cyclictest81rcu_preempt22:40:230
1381099354,4cyclictest81rcu_preempt21:57:410
1381099353,3cyclictest81rcu_preempt21:33:430
1381099353,16cyclictest10061-21python23:10:280
13810993525,7cyclictest0-21swapper/022:01:360
1381099351,30cyclictest25110-21/usr/sbin/munin22:20:150
1381099351,14cyclictest219652grep21:10:090
13810993510,12cyclictest5220-21fschecks_time20:25:150
1381099345,4cyclictest81rcu_preempt23:51:420
1381099345,4cyclictest81rcu_preempt23:51:420
1381099344,4cyclictest81rcu_preempt23:41:040
1381099344,4cyclictest81rcu_preempt00:28:290
13810993427,4cyclictest4211-21aten_r4power_po21:25:100
1381099342,28cyclictest0-21swapper/000:40:550
13810993414,7cyclictest0-21swapper/022:27:280
1381099341,13cyclictest12822-21grep00:20:220
140942330,4sleep00-21swapper/023:15:150
1381099339,12cyclictest0-21swapper/023:31:270
1381099333,4cyclictest81rcu_preempt00:00:240
1381099333,27cyclictest3-21ksoftirqd/019:51:060
13810993325,6cyclictest0-21swapper/020:11:350
1381099331,8cyclictest9598-21users00:50:300
1381099331,4cyclictest81rcu_preempt20:51:580
1381099331,30cyclictest0-21swapper/000:09:350
124002330,5sleep0111rcuc/020:45:120
160762321,27sleep016202-21irqstats19:30:040
1381099325,4cyclictest81rcu_preempt21:15:130
1381099325,20cyclictest17322-21diskstats22:45:140
1381099324,4cyclictest81rcu_preempt22:09:460
13810993225,5cyclictest0-21swapper/020:05:360
1381099321,5cyclictest0-21swapper/020:23:550
1381099321,4cyclictest81rcu_preempt22:17:380
1381099321,4cyclictest81rcu_preempt21:02:480
1381099321,29cyclictest0-21swapper/020:17:360
1381099321,14cyclictest11769-21sendmail00:20:010
13810993124,5cyclictest0-21swapper/019:35:360
1381099311,4cyclictest81rcu_preempt00:45:530
13810993111,6cyclictest23190-21awk19:45:290
1381099311,13cyclictest268212run-parts19:55:260
1381099303,3cyclictest81rcu_preempt23:39:140
1381099301,4cyclictest81rcu_preempt22:12:210
1381099297,11cyclictest30497-21gdbus20:36:540
1381099282,13cyclictest11064-21iostat20:40:180
215332271,5sleep00-21swapper/019:40:410
1381099266,6cyclictest20102-21cstates21:05:130
13810992618,5cyclictest28393-21grep20:00:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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