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2026-02-18 - 06:39
[ 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 Wed Feb 18, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170839911801147,29cyclictest0-21swapper/019:25:220
170849911701156,10cyclictest211ktimersoftd/119:25:151
170849911371126,8cyclictest0-21swapper/121:20:231
169322564519,30sleep00-21swapper/019:24:010
167602459416,29sleep10-21swapper/119:22:101
2011121120,2sleep00-21swapper/021:37:550
170839911086,20cyclictest3273-21memory21:20:230
263262850,8sleep01708399cyclictest23:58:120
312702640,5sleep131268-21cut23:30:101
273732630,4sleep01708399cyclictest21:45:210
17083996116,6cyclictest42612ssh00:09:050
236612570,7sleep01708399cyclictest22:48:350
1708399571,6cyclictest142072ssh23:45:230
189622540,8sleep01708399cyclictest23:50:210
281372440,4sleep0111rcuc/021:12:460
64552401,4sleep16617-21uptime00:10:311
17083994020,5cyclictest3-21ksoftirqd/023:35:270
17083994019,10cyclictest3-21ksoftirqd/022:16:390
42602390,10sleep140550irq/92-i91500:09:041
1708499396,5cyclictest81rcu_preempt00:26:401
17083993823,4cyclictest3-21ksoftirqd/022:26:000
17083993823,4cyclictest3-21ksoftirqd/022:05:150
17083993818,5cyclictest3-21ksoftirqd/022:23:340
1708499375,28cyclictest0-21swapper/123:22:351
1708499374,5cyclictest81rcu_preempt21:53:281
1708499373,19cyclictest17687-21iostat_ios21:35:201
17083993717,5cyclictest3-21ksoftirqd/022:58:470
17083993717,5cyclictest3-21ksoftirqd/021:32:470
1708499364,30cyclictest0-21swapper/120:10:551
1708499362,30cyclictest0-21swapper/122:39:161
1708399366,5cyclictest16595-21kworker/0:323:03:390
1708399364,4cyclictest40550irq/92-i91521:56:390
17083993621,4cyclictest3-21ksoftirqd/021:51:590
17083993620,5cyclictest3-21ksoftirqd/000:04:490
17083993618,4cyclictest3-21ksoftirqd/000:26:010
17083993617,5cyclictest3-21ksoftirqd/000:40:380
17083993613,6cyclictest26419-21awk21:45:000
17083993611,12cyclictest11109-21kernelversion22:35:210
64742351,30sleep12645-21snmpd21:56:591
236362351,4sleep123146-21/usr/sbin/munin21:05:161
1708499358,23cyclictest0-21swapper/121:27:521
1708499357,5cyclictest81rcu_preempt23:45:251
1708499352,4cyclictest81rcu_preempt21:42:351
1708499352,29cyclictest0-21swapper/122:54:361
1708499352,29cyclictest0-21swapper/122:04:361
1708499351,5cyclictest6578-21fschecks_count20:20:161
1708399355,5cyclictest81rcu_preempt23:10:310
17083993519,5cyclictest3-21ksoftirqd/022:44:510
17083993518,6cyclictest3-21ksoftirqd/023:30:200
17083993515,5cyclictest3-21ksoftirqd/021:18:040
275702340,4sleep1211ktimersoftd/122:19:271
1708499344,5cyclictest81rcu_preempt23:25:301
1708499342,7cyclictest0-21swapper/100:46:351
1708499342,29cyclictest0-21swapper/100:03:161
1708499341,29cyclictest14481-21ssh00:19:551
1708499341,15cyclictest182252cat20:50:231
1708399346,7cyclictest3-21ksoftirqd/000:10:300
1708399344,4cyclictest81rcu_preempt23:27:540
17083993427,5cyclictest0-21swapper/021:01:150
17083993427,3cyclictest0-21swapper/000:35:350
1708399342,28cyclictest2309-21cron22:05:000
1708399342,19cyclictest10685-21irqstats00:15:200
17083993419,5cyclictest3-21ksoftirqd/020:42:170
17083993418,5cyclictest3-21ksoftirqd/023:05:160
1708399341,7cyclictest21843-21ssh22:13:100
1708399341,29cyclictest2309-21cron00:35:000
252182331,28sleep025234-21df_inode22:50:140
1708499337,22cyclictest0-21swapper/122:20:261
1708499334,4cyclictest81rcu_preempt22:58:061
1708499334,4cyclictest81rcu_preempt21:45:591
1708499332,28cyclictest0-21swapper/123:55:561
1708499331,4cyclictest81rcu_preempt21:17:111
17083993326,5cyclictest0-21swapper/023:42:160
17083993326,5cyclictest0-21swapper/020:23:360
17083993318,5cyclictest3-21ksoftirqd/023:17:200
17083993312,6cyclictest1151-21missed_timers20:05:210
1708399331,20cyclictest28933-21runrttasks19:54:360
199752321,27sleep119989-21ssh22:45:031
199712321,4sleep119976-21irqstats20:55:211
1708499326,6cyclictest0-21swapper/121:31:441
1708499325,24cyclictest0-21swapper/122:27:171
1708499324,25cyclictest3871-21ssh00:41:211
1708499323,5cyclictest81rcu_preempt23:07:261
1708499321,4cyclictest81rcu_preempt22:14:381
1708499321,4cyclictest81rcu_preempt19:52:261
1708499321,29cyclictest0-21swapper/123:01:561
1708499321,29cyclictest0-21swapper/120:38:361
1708499321,28cyclictest0-21swapper/120:06:351
1708499321,17cyclictest21452-21chrt23:53:081
1708499321,16cyclictest15319-21aten_r4power_po22:40:101
1708399329,10cyclictest0-21swapper/022:33:340
1708399322,17cyclictest0-21swapper/000:46:100
1708399322,16cyclictest11667-21python00:50:280
1708399321,29cyclictest0-21swapper/019:56:550
1708399321,28cyclictest0-21swapper/021:28:160
137462321,5sleep113868-21cpuspeed_turbos22:05:121
108952321,5sleep10-21swapper/123:41:521
317242311,3sleep131823-21/usr/sbin/munin20:00:241
246022311,6sleep00-21swapper/021:07:210
240852311,5sleep00-21swapper/023:22:030
1708499313,4cyclictest81rcu_preempt21:14:441
1708499313,4cyclictest81rcu_preempt00:36:421
17084993114,14cyclictest22-21ksoftirqd/100:53:421
1708499311,27cyclictest0-21swapper/119:40:151
1708399313,16cyclictest0-21swapper/020:10:240
17083993113,5cyclictest20569-21ntp_states19:30:250
17083993110,17cyclictest0-21swapper/019:45:230
218722301,4sleep121928-21latency21:00:231
189622301,4sleep10-21swapper/123:16:381
1708499304,9cyclictest4368-21iostat_ios23:35:211
1708499302,15cyclictest0-21swapper/100:21:371
17084993018,7cyclictest21913-21diskstats19:35:141
1708499301,5cyclictest0-21swapper/120:26:361
1708399308,10cyclictest14829-21ssh00:20:120
17083993023,5cyclictest0-21swapper/020:49:560
17083993023,5cyclictest0-21swapper/020:03:550
17083993014,6cyclictest3-21ksoftirqd/020:55:320
17083993011,5cyclictest5148-21chrt20:15:240
59912291,5sleep10-21swapper/120:19:361
305332291,5sleep10-21swapper/119:56:431
17084992919,6cyclictest24982-21fschecks_time00:30:161
17084992919,5cyclictest20946-21unixbench_multi19:30:301
17084992916,10cyclictest22-21ksoftirqd/123:13:361
17083992915,6cyclictest0-21swapper/019:40:490
1708399291,26cyclictest0-21swapper/019:35:360
17083992912,5cyclictest8386-21df_inode20:25:150
17083992911,5cyclictest12433-21iostat20:35:160
268702281,5sleep10-21swapper/119:47:411
17084992817,8cyclictest22-21ksoftirqd/122:31:121
1708499281,4cyclictest81rcu_preempt20:33:291
1708399281,14cyclictest9971-21/usr/sbin/munin20:30:160
1708499272,4cyclictest81rcu_preempt20:42:571
169042271,5sleep10-21swapper/120:45:361
17083992610,13cyclictest0-21swapper/020:52:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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