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2026-02-26 - 09:32
[ 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 Thu Feb 26, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63969911931163,26cyclictest7549-21python19:25:271
63959911601144,13cyclictest30974-21kworker/0:219:25:500
58392564517,32sleep00-21swapper/019:20:300
59912562517,30sleep10-21swapper/119:21:261
1026021130,8sleep0639599cyclictest22:45:250
228582900,4sleep10-21swapper/121:51:151
204122860,8sleep1639699cyclictest20:00:121
40372790,8sleep0639599cyclictest21:32:000
13212760,4sleep041ktimersoftd/022:03:050
214672740,3sleep121468-21sh22:24:081
174422730,3sleep041ktimersoftd/022:20:060
207342670,5sleep0111rcuc/023:30:170
243072640,8sleep1639699cyclictest22:26:151
639599613,31cyclictest0-21swapper/022:37:150
639599581,7cyclictest74392rt-features21:35:250
639599522,17cyclictest28846-21/usr/sbin/munin00:45:270
228022470,4sleep1201rcuc/121:18:261
639599411,6cyclictest21459-21ssh22:57:090
198642410,7sleep1639699cyclictest23:29:551
16912400,7sleep0639599cyclictest00:51:280
639699396,5cyclictest81rcu_preempt21:27:291
639699391,34cyclictest0-21swapper/122:06:551
639599397,28cyclictest2309-21cron23:40:000
6395993929,6cyclictest22664-21fschecks_time20:05:150
639699384,31cyclictest0-21swapper/121:57:361
6395993810,4cyclictest81rcu_preempt23:17:360
118842381,34sleep011894-21ssh22:14:170
92102370,8sleep1639699cyclictest00:25:181
639699375,4cyclictest81rcu_preempt23:22:091
639599374,5cyclictest81rcu_preempt23:05:250
137502371,32sleep113757-21ssh23:55:591
98392361,4sleep19850-21ssh23:52:191
639699361,7cyclictest7879-21runrttasks00:24:211
210792360,10sleep0639599cyclictest21:15:570
639699353,30cyclictest0-21swapper/121:07:561
639699352,29cyclictest25890-21ssh23:01:361
639699352,29cyclictest0-21swapper/100:42:151
639699351,30cyclictest0-21swapper/121:32:151
6395993515,5cyclictest3-21ksoftirqd/021:50:180
6395993513,5cyclictest26800-21tune2fs00:10:120
148402351,30sleep114883-21wc22:50:221
639699347,5cyclictest81rcu_preempt00:05:131
639699345,4cyclictest81rcu_preempt00:30:261
6396993424,6cyclictest19815-21ssh00:35:411
639699341,5cyclictest13893-21ssh21:42:161
6396993411,12cyclictest40550irq/92-i91522:31:391
6396993411,10cyclictest0-21swapper/123:30:031
639599344,4cyclictest81rcu_preempt22:05:220
639599343,5cyclictest81rcu_preempt00:02:420
639599343,14cyclictest0-21swapper/023:48:430
639599342,29cyclictest0-21swapper/022:15:550
639599342,28cyclictest0-21swapper/000:17:160
6395993418,4cyclictest3-21ksoftirqd/022:50:160
639599341,5cyclictest2403-21irqbalance23:55:560
6395993415,4cyclictest0-21swapper/023:44:140
639599341,29cyclictest25510-21ssh00:41:550
639699334,4cyclictest81rcu_preempt22:45:481
639699333,4cyclictest81rcu_preempt23:15:091
6396993326,4cyclictest24709-21hddtemp_smartct21:20:151
639699332,4cyclictest0-21swapper/121:49:361
6396993323,6cyclictest32756-21rm22:01:361
639599335,14cyclictest29072-21unixbench_singl20:20:290
639599334,4cyclictest81rcu_preempt22:28:380
6395993326,5cyclictest0-21swapper/020:58:560
639599331,4cyclictest81rcu_preempt00:06:080
639599331,30cyclictest0-21swapper/021:22:350
639599331,29cyclictest2403-21irqbalance21:47:560
639599331,29cyclictest0-21swapper/021:01:350
639599331,29cyclictest0-21swapper/020:50:550
639599331,12cyclictest17648-21sh23:26:400
33292331,4sleep13346-21diskstats20:40:131
639699324,4cyclictest81rcu_preempt23:40:311
6396993224,6cyclictest0-21swapper/100:04:561
6396993213,15cyclictest31683-21ssh00:49:411
639699321,28cyclictest0-21swapper/122:37:061
639599324,4cyclictest81rcu_preempt22:34:060
6395993222,6cyclictest26574-21ssh23:02:360
639599322,17cyclictest0-21swapper/000:28:190
6395993211,6cyclictest5009-21ssh23:14:180
639599321,15cyclictest15393-21missed_timers19:45:210
281692321,5sleep10-21swapper/100:10:541
147612321,4sleep114922-21cat19:45:131
87712310,4sleep1201rcuc/122:10:231
639699315,4cyclictest81rcu_preempt21:37:181
639699313,4cyclictest81rcu_preempt23:05:431
6396993124,5cyclictest0-21swapper/122:18:151
639699311,9cyclictest6970-21sh22:42:031
639699311,5cyclictest81rcu_preempt20:05:071
639699311,4cyclictest81rcu_preempt21:10:241
639699311,4cyclictest81rcu_preempt19:59:381
6396993111,15cyclictest13367-21if_err_eth019:40:171
639599319,4cyclictest81rcu_preempt23:22:420
639599319,10cyclictest0-21swapper/023:50:200
6395993124,5cyclictest0-21swapper/020:41:360
6395993115,5cyclictest3-21ksoftirqd/000:37:000
639599311,4cyclictest81rcu_preempt21:10:410
6395993112,7cyclictest32219-21iostat_ios20:30:200
6395993112,15cyclictest0-21swapper/021:55:120
179102311,5sleep00-21swapper/019:51:080
639699305,4cyclictest81rcu_preempt23:39:441
639699303,4cyclictest81rcu_preempt23:12:241
639699301,5cyclictest81rcu_preempt22:57:051
639699301,4cyclictest81rcu_preempt20:39:461
639699301,4cyclictest81rcu_preempt00:51:471
639599302,15cyclictest13407-21/usr/sbin/munin00:30:290
639599302,15cyclictest11536-21/usr/sbin/munin21:40:140
639599301,4cyclictest81rcu_preempt20:39:490
639599301,24cyclictest29343-21df_inode21:25:130
6395993011,8cyclictest3-21ksoftirqd/000:24:160
138702301,5sleep00-21swapper/021:06:550
639699295,7cyclictest22-21ksoftirqd/123:45:291
639699295,4cyclictest81rcu_preempt20:56:111
639699293,4cyclictest81rcu_preempt19:35:071
6396992919,6cyclictest9511-21tune2fs19:30:151
639699291,15cyclictest1447-21ssh00:17:121
639699290,4cyclictest81rcu_preempt20:51:461
639599299,6cyclictest25070-21mailstats20:10:280
639599299,4cyclictest81rcu_preempt22:40:240
639599298,6cyclictest12845-21tr19:40:100
65742281,5sleep10-21swapper/120:49:171
639699285,3cyclictest81rcu_preempt19:53:081
639699281,23cyclictest25199-21cat20:10:281
6395992821,4cyclictest10776-21pidof19:35:000
639599281,4cyclictest0-21swapper/019:35:560
6395992812,5cyclictest3-21ksoftirqd/019:58:040
639599281,13cyclictest5741-21ntpdc20:45:240
313472281,5sleep00-21swapper/020:28:530
275902281,5sleep00-21swapper/020:19:030
273892281,5sleep10-21swapper/120:17:021
639699271,4cyclictest81rcu_preempt21:00:551
294402271,5sleep10-21swapper/120:23:371
216452271,4sleep00-21swapper/020:00:480
639699262,4cyclictest81rcu_preempt20:25:241
6396992617,6cyclictest22-21ksoftirqd/120:34:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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