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2026-02-26 - 11:45
[ 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 #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Thu Feb 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14559991067,28cyclictest121850irq/46-eth020:04:380
1518821040,10sleep01455999cyclictest20:09:560
14564999828,14cyclictest0-21swapper/321:00:103
14559999816,76cyclictest10167-21unixbench_singl22:25:030
14559999415,72cyclictest0-21swapper/020:58:260
14562999332,42cyclictest24681ssh21:25:571
1455999924,10cyclictest12360-21grep22:29:490
1455999924,10cyclictest12360-21grep22:29:490
1455999914,71cyclictest0-21swapper/021:55:000
1455999914,32cyclictest0-21swapper/022:55:220
1455999904,79cyclictest0-21swapper/020:18:270
1456299895,15cyclictest0-21swapper/121:22:531
1455999895,13cyclictest0-21swapper/021:35:050
1455999894,78cyclictest0-21swapper/023:19:560
1455999894,78cyclictest0-21swapper/020:59:500
1456299884,62cyclictest0-21swapper/122:33:331
1456299884,62cyclictest0-21swapper/122:33:331
14562998819,49cyclictest0-21swapper/122:06:581
14559998835,11cyclictest11377-21grep21:39:530
1455999883,22cyclictest0-21swapper/020:40:380
14559998826,10cyclictest31192-21ssh21:20:080
14559998813,14cyclictest0-21swapper/020:50:010
1456299873,16cyclictest0-21swapper/123:08:351
14562998724,47cyclictest2082-21awk20:39:361
14562998723,48cyclictest0-21swapper/120:59:581
1455999875,11cyclictest1419-21runrttasks20:46:330
1455999874,33cyclictest0-21swapper/018:04:520
1455999874,32cyclictest0-21swapper/023:08:060
1455999874,31cyclictest0-21swapper/023:01:190
1455999874,15cyclictest0-21swapper/020:28:480
1455999873,38cyclictest0-21swapper/022:48:510
1455999873,22cyclictest0-21swapper/023:13:330
14559998729,9cyclictest1771-21grep18:39:540
14559998727,11cyclictest0-21swapper/021:45:580
1456299864,11cyclictest13663-21munin-node20:54:581
1456299863,17cyclictest0-21swapper/120:31:511
1455999865,8cyclictest30828-21diskstats19:39:540
1455999865,8cyclictest30828-21diskstats19:39:540
1455999865,17cyclictest0-21swapper/021:06:480
1455999865,17cyclictest0-21swapper/021:06:480
1455999865,13cyclictest0-21swapper/022:12:080
1455999864,36cyclictest0-21swapper/019:19:550
1455999864,32cyclictest0-21swapper/020:29:530
1455999864,25cyclictest0-21swapper/021:10:120
1455999864,21cyclictest7299-21diskmemload22:40:380
1455999863,14cyclictest28143-21sed22:04:520
14559998626,11cyclictest6429-21processes22:20:010
14559998614,13cyclictest0-21swapper/021:32:440
1455999854,23cyclictest0-21swapper/023:15:320
1455999854,23cyclictest0-21swapper/023:15:320
1455999854,23cyclictest0-21swapper/020:09:110
1455999854,21cyclictest0-21swapper/021:19:260
1455999854,15cyclictest0-21swapper/021:24:500
14559998530,12cyclictest0-21swapper/021:59:530
1455999853,33cyclictest0-21swapper/018:45:040
1455999853,27cyclictest0-21swapper/023:24:440
1456299846,12cyclictest0-21swapper/122:20:041
14562998420,57cyclictest729-21ntp_offset22:59:551
14562998420,46cyclictest0-21swapper/121:35:021
1455999845,29cyclictest0-21swapper/020:20:550
1455999844,31cyclictest0-21swapper/019:54:580
1455999844,13cyclictest0-21swapper/022:49:450
1455999843,30cyclictest0-21swapper/022:15:400
14559998426,9cyclictest1419-21runrttasks19:51:070
14559998425,12cyclictest0-21swapper/021:51:130
14559998415,12cyclictest0-21swapper/020:36:060
1456299836,13cyclictest0-21swapper/122:43:511
1456299836,13cyclictest0-21swapper/120:46:091
1456299834,13cyclictest0-21swapper/118:49:401
1456299833,73cyclictest0-21swapper/120:24:501
1456299833,18cyclictest0-21swapper/123:09:501
14562998316,46cyclictest0-21swapper/120:15:031
1455999835,16cyclictest0-21swapper/019:45:040
1455999835,15cyclictest0-21swapper/022:34:460
1455999834,12cyclictest23917-21grep19:24:580
14559998311,15cyclictest0-21swapper/019:00:090
14559998311,15cyclictest0-21swapper/019:00:090
14559998311,14cyclictest0-21swapper/019:35:110
1456299824,71cyclictest0-21swapper/121:43:141
1456299824,13cyclictest0-21swapper/122:17:081
14562998222,45cyclictest0-21swapper/120:40:471
14562998219,50cyclictest0-21swapper/120:09:351
14562998216,7cyclictest15106-21netstat21:44:591
1455999824,13cyclictest0-21swapper/019:09:580
1456299817,12cyclictest0-21swapper/120:52:231
1456299816,16cyclictest0-21swapper/123:24:571
1456299815,11cyclictest0-21swapper/122:45:491
1456299814,14cyclictest0-21swapper/121:06:451
1456299814,14cyclictest0-21swapper/121:06:451
1456299813,72cyclictest0-21swapper/121:59:361
1456299813,15cyclictest0-21swapper/123:24:061
14562998122,53cyclictest21422-21fschecks_time19:19:581
14562998118,50cyclictest0-21swapper/121:52:021
1455999814,15cyclictest0-21swapper/018:24:130
14562998023,50cyclictest0-21swapper/120:23:061
14562998021,53cyclictest5987-21gltestperf19:54:561
14562998019,48cyclictest0-21swapper/122:36:301
14562998019,48cyclictest0-21swapper/120:01:421
14562998019,41cyclictest0-21swapper/121:19:081
1455999806,30cyclictest0-21swapper/018:49:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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