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2026-01-18 - 06:07
[ 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 Sun Jan 18, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215619911821151,27cyclictest21880-21cpuspeed_turbos19:25:131
215619911211105,10cyclictest29349-21ntp_states21:10:261
215609911071066,29cyclictest0-21swapper/019:25:160
214962586541,30sleep00-21swapper/019:24:540
212152502454,33sleep10-21swapper/119:21:581
2156099131109,19cyclictest29356-21ssh21:10:270
257392940,2sleep00-21swapper/023:20:280
124532830,5sleep112451-21ssh22:00:151
209482790,4sleep1211ktimersoftd/123:49:591
27322680,3sleep00-21swapper/021:16:060
198882540,5sleep0111rcuc/023:15:100
310172460,4sleep02156099cyclictest00:35:020
271172461,28sleep027241-21wc19:35:300
23632450,3sleep0111rcuc/019:55:300
21561994213,14cyclictest22-21ksoftirqd/121:40:001
21561994029,8cyclictest0-21swapper/121:56:151
21560994026,9cyclictest14164-21ssh21:28:370
195162400,4sleep0111rcuc/022:40:270
2156199397,28cyclictest0-21swapper/100:26:561
21561993915,15cyclictest22-21ksoftirqd/123:38:151
21561993913,16cyclictest22-21ksoftirqd/123:32:391
21560993916,6cyclictest24689-21ntp_states20:55:250
21560993916,6cyclictest24689-21ntp_states20:55:250
21560993911,24cyclictest20343-21cpu21:35:110
21561993829,5cyclictest12119-21hddtemp_smartct23:40:151
21561993817,7cyclictest22-21ksoftirqd/123:57:331
21561993817,6cyclictest22-21ksoftirqd/122:57:311
21561993817,6cyclictest22-21ksoftirqd/122:35:151
21561993816,7cyclictest22-21ksoftirqd/100:02:081
2156099389,7cyclictest24322-21switchtime22:45:260
2156099383,32cyclictest0-21swapper/020:21:160
2156099381,13cyclictest12814-21/usr/sbin/munin23:40:270
2156099381,13cyclictest0-21swapper/000:29:430
21561993716,7cyclictest22-21ksoftirqd/122:32:011
21561993715,7cyclictest22-21ksoftirqd/121:16:441
21561993714,6cyclictest22-21ksoftirqd/123:18:191
2156099376,19cyclictest0-21swapper/022:11:450
2156099375,13cyclictest8617-21sed21:55:300
21560993722,11cyclictest28098-21diskmemload23:39:280
21560993713,5cyclictest15576-21sh22:36:290
180872370,10sleep118086-21latency_hist20:40:011
21561993627,5cyclictest2403-21irqbalance00:06:161
21561993616,6cyclictest22-21ksoftirqd/100:52:021
21561993615,6cyclictest22-21ksoftirqd/123:08:491
21561993612,14cyclictest22-21ksoftirqd/100:40:391
2156099365,5cyclictest3162-21grep00:05:000
2156099365,28cyclictest0-21swapper/000:23:560
21560993628,5cyclictest10518-21tune2fs23:05:160
2156099362,6cyclictest2611-21df_inode21:50:150
2156099362,31cyclictest0-21swapper/000:17:560
2156099362,13cyclictest13222-21swap22:00:280
21560993614,6cyclictest8936-21diskstats22:30:120
2156099361,31cyclictest30005-21hddtemp_smartct23:25:150
2156099361,14cyclictest30733-21missed_timers21:45:240
21561993526,5cyclictest2403-21irqbalance21:46:551
2156099359,6cyclictest18394-21cpuspeed_turbos20:40:110
2156099353,30cyclictest0-21swapper/020:07:560
2156099353,30cyclictest0-21swapper/020:07:550
2156099352,30cyclictest0-21swapper/021:41:150
2156099351,4cyclictest4591-21ssh23:32:120
2156099351,32cyclictest0-21swapper/020:29:360
2156099351,31cyclictest7501-21perl00:45:160
2156099351,13cyclictest0-21swapper/022:54:350
2156099351,12cyclictest26757-21iostat_ios23:55:200
199392351,3sleep10-21swapper/121:35:011
2156199346,25cyclictest0-21swapper/122:51:261
2156199342,29cyclictest0-21swapper/121:23:351
2156199342,29cyclictest0-21swapper/100:33:351
21561993418,12cyclictest21302-21sh22:42:451
21561993415,6cyclictest22-21ksoftirqd/122:15:331
2156199341,30cyclictest3034-21ssh22:24:151
2156099349,6cyclictest18240-21grep22:05:290
2156099344,7cyclictest0-21swapper/019:41:130
2156099342,5cyclictest3702-21ssh00:40:290
2156099341,5cyclictest18338-21ssh23:46:120
2156099341,15cyclictest11110-21chrt00:50:090
2156099341,14cyclictest2308-21ssh22:56:110
282582331,5sleep10-21swapper/121:43:021
230652331,28sleep123132-21users22:10:301
21561993324,5cyclictest18226-21diskstats00:20:161
2156199332,13cyclictest0-21swapper/123:23:571
2156199331,6cyclictest26900-21chrt22:48:501
2156199331,4cyclictest3302-21runrttasks23:10:161
2156199331,29cyclictest0-21swapper/120:45:561
2156099339,6cyclictest19835-21sh21:34:500
2156099333,16cyclictest0-21swapper/023:14:280
2156099333,14cyclictest235582chrt20:53:370
2156099333,12cyclictest0-21swapper/023:04:480
2156099332,14cyclictest11592-21sh00:13:150
2156099332,14cyclictest0-21swapper/020:02:220
21560993312,17cyclictest31705-21pidof00:36:010
2156099331,15cyclictest21907-21/usr/sbin/munin23:50:180
2156099331,15cyclictest15038-21/usr/sbin/munin20:30:190
2156199324,24cyclictest0-21swapper/122:29:331
2156199321,14cyclictest0-21swapper/122:09:151
2156099321,5cyclictest492-21sh22:20:430
2156099321,5cyclictest20123-21aten_r4power_cu20:45:110
2156099321,28cyclictest0-21swapper/000:05:560
2156099321,12cyclictest8248-21seq20:10:580
2156199316,4cyclictest81rcu_preempt00:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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