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2026-02-25 - 12:38
[ 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 25, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85879911871178,6cyclictest0-21swapper/119:26:081
85869911041095,6cyclictest0-21swapper/019:26:060
84262575528,32sleep00-21swapper/019:23:540
82832564518,32sleep10-21swapper/119:22:231
2598021100,3sleep00-21swapper/021:52:270
1674221050,6sleep116745-21turbostat.cron19:45:001
294252860,5sleep1858799cyclictest23:35:301
116482810,4sleep1858799cyclictest22:10:311
7532790,4sleep0111rcuc/022:00:160
325812790,5sleep041ktimersoftd/021:25:290
259462720,4sleep0111rcuc/000:05:280
253982450,5sleep1858799cyclictest20:05:271
8586994417,11cyclictest0-21swapper/000:03:540
58192440,8sleep0858699cyclictest00:52:490
304742440,4sleep1858799cyclictest22:30:231
264742441,39sleep026488-21ssh23:33:150
8586994314,9cyclictest24525-21wget20:05:120
228832430,3sleep041ktimersoftd/023:30:010
203482430,4sleep10-21swapper/121:46:191
8586994215,9cyclictest31880-21iostat_ios23:05:180
858699421,16cyclictest0-21swapper/000:20:120
8587994116,15cyclictest22-21ksoftirqd/121:24:491
8586994116,8cyclictest9262-21iostat_ios23:15:190
8586994115,15cyclictest0-21swapper/021:59:430
8587994014,10cyclictest22-21ksoftirqd/123:25:251
8586994016,20cyclictest25476-21kernelversion22:25:210
8586994014,7cyclictest7809-21memory20:45:210
15512400,7sleep0858699cyclictest23:40:280
858799395,30cyclictest0-21swapper/121:40:161
858699392,7cyclictest581-21ssh00:46:330
8586993915,7cyclictest4389-21iostat23:10:190
8586993914,8cyclictest20567-21ssh21:46:370
8586993914,8cyclictest16384-21diskmemload22:47:440
8586993914,8cyclictest15754-21ssh00:29:090
55462390,3sleep00-21swapper/023:45:100
290152390,24sleep129014-21open_files20:15:251
175642391,3sleep117574-21ssh23:57:051
858699387,28cyclictest0-21swapper/022:30:350
858699382,6cyclictest30257-21iostat_ios00:10:210
8586993815,7cyclictest27115-21ntp_states20:10:240
8586993814,7cyclictest7260-21df22:40:120
8586993814,7cyclictest525-21sed20:25:280
8586993814,7cyclictest14945-21df_inode21:05:140
858699381,35cyclictest0-21swapper/020:33:550
8586993810,6cyclictest28913-21ntp_states23:35:250
858799371,19cyclictest25685-21ssh21:19:241
858699378,17cyclictest26325-21ssh23:00:060
858699371,6cyclictest21831-21fschecks_count00:35:160
8586993714,6cyclictest19362-21iostat19:50:200
139872370,3sleep00-21swapper/023:20:170
858799366,5cyclictest40550irq/92-i91521:11:311
8587993627,5cyclictest29417-21ssh00:42:551
858799362,5cyclictest0-21swapper/122:02:561
858799362,29cyclictest18696-21kworker/1:200:32:151
8587993615,6cyclictest22-21ksoftirqd/123:31:581
8587993614,6cyclictest22-21ksoftirqd/123:46:381
8587993611,6cyclictest2007-21cut00:15:111
858699364,30cyclictest0-21swapper/022:24:360
858699363,29cyclictest0-21swapper/021:38:350
858699361,12cyclictest10187-21/usr/sbin/munin22:10:170
56672361,4sleep15674-21diskstats22:05:151
150042361,4sleep115015-21ssh22:15:101
858799352,15cyclictest0-21swapper/123:08:411
858799351,30cyclictest3775-21/usr/sbin/munin21:30:151
858699352,16cyclictest16090-21/usr/sbin/munin19:40:280
858699351,12cyclictest22542-21grep22:55:260
66232351,30sleep16632-21ssh00:54:131
302482351,4sleep130259-21iostat_ios00:10:211
180452353,28sleep018058-21cron21:45:000
8587993425,6cyclictest0-21swapper/121:35:351
858799342,18cyclictest0-21swapper/121:58:121
858699342,4cyclictest0-21swapper/021:12:360
858699342,15cyclictest3928-21seq20:35:180
858699341,5cyclictest15413-21fschecks_count23:55:150
858699341,5cyclictest10709-21ssh23:50:160
858699341,20cyclictest19989-21ssh00:33:170
858699341,13cyclictest28453-21ssh00:41:310
63002340,23sleep03-21ksoftirqd/022:39:280
858799334,10cyclictest27952-21runrttasks20:14:311
8587993325,5cyclictest17498-21ssh23:24:151
858799332,28cyclictest0-21swapper/122:26:161
858699338,6cyclictest0-21swapper/022:08:070
858699335,6cyclictest0-21swapper/000:19:080
858699331,5cyclictest3302-21runrttasks20:44:050
858699331,4cyclictest27936-21ssh21:20:350
8586993311,5cyclictest18116-21awk19:45:290
8586993310,6cyclictest21973-21fschecks_time21:15:150
858799328,5cyclictest40550irq/92-i91519:45:291
858799327,5cyclictest40550irq/92-i91522:45:131
858799322,9cyclictest20572-21iostat22:20:181
8587993225,5cyclictest0-21swapper/123:40:161
8587993224,5cyclictest0-21swapper/100:38:161
8587993224,4cyclictest0-21swapper/122:35:351
858799321,4cyclictest8723-21ssh22:40:561
858799321,15cyclictest19196-21sh22:52:021
858799321,14cyclictest0-21swapper/120:35:181
858699323,6cyclictest0-21swapper/019:34:160
858699321,5cyclictest17620-21ntpdc22:50:250
324902321,5sleep10-21swapper/100:45:371
184032320,5sleep0111rcuc/022:18:150
124802321,5sleep10-21swapper/120:58:501
858799318,6cyclictest0-21swapper/123:52:161
858799316,5cyclictest81rcu_preempt19:40:001
858799316,5cyclictest40550irq/92-i91523:00:171
858799312,13cyclictest0-21swapper/120:46:361
8586993117,8cyclictest13418-21diskstats19:35:150
858699311,26cyclictest4433-21/usr/sbin/munin21:30:190
858699311,14cyclictest30929-21pluginstate20:20:250
8586993110,4cyclictest29028-21/usr/sbin/munin20:15:240
255692311,5sleep10-21swapper/121:51:531
250672311,4sleep125238-21perl00:05:161
858799309,6cyclictest22-21ksoftirqd/100:23:581
858799308,6cyclictest0-21swapper/123:16:141
858799308,6cyclictest0-21swapper/100:27:551
858799301,5cyclictest0-21swapper/121:26:561
8587993013,8cyclictest0-21swapper/119:30:471
858699307,6cyclictest24401-21date20:05:020
73532301,8sleep10-21swapper/123:13:391
315302301,5sleep10-21swapper/120:22:271
202352301,5sleep10-21swapper/119:52:291
858799291,8cyclictest22541-21ps22:55:261
858699291,26cyclictest0-21swapper/019:57:560
858699291,12cyclictest9261-21cstates20:50:100
143742291,5sleep10-21swapper/121:03:481
127722291,5sleep00-21swapper/021:00:070
11572291,5sleep10-21swapper/120:29:391
858799289,4cyclictest40550irq/92-i91520:43:441
858799286,4cyclictest22010-21seq19:56:251
858799283,7cyclictest0-21swapper/100:00:191
858799282,4cyclictest40550irq/92-i91520:50:111
29572281,5sleep10-21swapper/120:32:451
858699273,9cyclictest10994-21cpu20:55:120
160832271,5sleep10-21swapper/121:07:011
858799262,21cyclictest24266-21basename20:05:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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