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2026-08-15 - 11:33

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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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 highest latencies:
System rack3slot6s.osadl.org (updated Sat Aug 15, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18756211188,18sleep00-21swapper/019:08:320
18145210587,11sleep10-21swapper/119:05:491
18550210379,6sleep30-21swapper/319:06:033
1878529677,13sleep20-21swapper/219:08:542
211572850,1sleep20-21swapper/220:35:162
62602830,0sleep30-21swapper/319:56:023
110762770,0sleep20-21swapper/221:18:232
18899993716,19cyclictest0-21swapper/123:05:111
18898993213,18cyclictest0-21swapper/023:35:120
186202300,1sleep0101ktimersoftd/022:31:320
93212250,0sleep20-21swapper/222:55:152
112052240,0sleep30-21swapper/322:57:163
18900992219,2cyclictest24070-21kworker/u8:121:48:052
1890099221,2cyclictest0-21swapper/221:55:132
1890099221,19cyclictest0-21swapper/200:20:122
1890099220,17cyclictest0-21swapper/223:32:042
1889899221,19cyclictest16474-21ssh00:10:100
18901992117,2cyclictest30323-21kworker/u8:221:42:053
18901992117,2cyclictest17994-21kworker/u8:022:35:043
1890199210,19cyclictest0-21swapper/322:15:103
18900992118,2cyclictest24070-21kworker/u8:122:03:042
18900992117,2cyclictest6592-21ssh22:20:112
1890099210,19cyclictest0-21swapper/223:50:112
1889899211,2cyclictest0-21swapper/000:20:110
8262200,0sleep10-21swapper/100:26:411
18901992017,2cyclictest28568-21kworker/u8:021:32:053
18900992017,2cyclictest23437-21kworker/u8:222:47:052
18900992017,2cyclictest10873-21kworker/u8:023:09:042
1890099201,2cyclictest0-21swapper/223:16:042
18899992017,2cyclictest24070-21kworker/u8:122:05:041
1889899200,19cyclictest0-21swapper/022:20:100
18901991916,2cyclictest30323-21kworker/u8:221:38:053
18901991916,2cyclictest10873-21kworker/u8:023:13:053
1890099196,11cyclictest0-21swapper/223:35:132
18900991916,2cyclictest32456-21kworker/u8:023:20:042
18900991916,2cyclictest30913-21kworker/u8:100:28:042
18900991916,2cyclictest28568-21kworker/u8:021:20:052
18900991916,2cyclictest26843-21kworker/u8:119:58:042
18900991916,2cyclictest24070-21kworker/u8:121:31:042
18900991916,2cyclictest10873-21kworker/u8:023:11:052
1890099190,17cyclictest0-21swapper/222:05:102
1890099190,17cyclictest0-21swapper/221:50:112
1889899191,16cyclictest19356-21ssh22:00:130
18900991815,2cyclictest32456-21kworker/u8:023:45:042
18900991815,2cyclictest26843-21kworker/u8:120:44:042
18900991815,2cyclictest26843-21kworker/u8:120:44:042
18900991815,2cyclictest26454-21kworker/u8:022:10:052
18900991815,2cyclictest15460-21kworker/u8:319:26:062
1890099180,8cyclictest0-21swapper/200:31:042
1890099180,13cyclictest0-21swapper/222:32:012
1890199170,2cyclictest0-21swapper/322:30:113
18900991714,2cyclictest7488-21kworker/u8:200:02:052
18900991714,2cyclictest7488-21kworker/u8:200:02:042
18900991714,2cyclictest3940-21kworker/u8:121:13:042
18900991714,2cyclictest29106-21kworker/u8:100:05:042
18900991714,2cyclictest23437-21kworker/u8:222:38:052
18901991613,2cyclictest24070-21kworker/u8:122:04:053
18901991613,2cyclictest10008-21kworker/u8:000:36:043
1890199160,2cyclictest3940-21kworker/u8:121:12:013
18900991613,2cyclictest26843-21kworker/u8:120:56:052
18900991613,2cyclictest26843-21kworker/u8:120:04:022
18900991613,2cyclictest16722-21kworker/u8:019:39:052
1890099160,12cyclictest0-21swapper/221:25:042
1890099160,11cyclictest0-21swapper/222:42:042
1889999161,13cyclictest0-21swapper/121:20:071
1889999161,13cyclictest0-21swapper/100:24:081
1889999160,14cyclictest0-21swapper/123:55:081
1889899161,3cyclictest14378-21ssh21:21:020
1889899160,14cyclictest0-21swapper/023:55:100
1890199152,7cyclictest0-21swapper/320:30:003
1890199151,3cyclictest7866-21tr21:15:133
18901991512,2cyclictest9154-21kworker/u8:123:29:043
18901991512,2cyclictest5733-21kworker/u8:123:03:043
18901991512,2cyclictest29106-21kworker/u8:123:56:043
18901991512,2cyclictest26843-21kworker/u8:120:41:043
18901991512,2cyclictest26843-21kworker/u8:120:41:043
18901991512,2cyclictest20795-21kworker/u8:223:22:043
18901991512,2cyclictest13251-21kworker/u8:000:12:013
18901991510,3cyclictest18994-21python21:25:593
1890199150,2cyclictest0-21swapper/323:51:003
18900991512,2cyclictest30913-21kworker/u8:100:35:042
18900991512,2cyclictest30323-21kworker/u8:221:43:042
18900991512,2cyclictest26843-21kworker/u8:120:46:052
18900991512,2cyclictest16722-21kworker/u8:019:40:042
18900991512,2cyclictest16722-21kworker/u8:019:32:042
18900991512,2cyclictest14856-21kworker/u8:020:23:042
1890099150,2cyclictest0-21swapper/223:59:042
1890099150,2cyclictest0-21swapper/223:43:042
1890099150,2cyclictest0-21swapper/223:25:052
1890099150,13cyclictest0-21swapper/221:36:412
18899991512,2cyclictest0-21swapper/122:15:261
1889999151,12cyclictest29881-21irqstats19:35:161
1889999150,13cyclictest27354-21fschecks_time20:50:141
1889899151,3cyclictest28909-21ssh21:36:040
1889899150,3cyclictest19622-21fschecks_time19:10:130
1889899150,13cyclictest0-21swapper/021:00:160
1889899150,13cyclictest0-21swapper/000:00:130
1889899150,13cyclictest0-21swapper/000:00:120
112072151,2sleep00-21swapper/023:30:170
108012150,1sleep1221ktimersoftd/123:30:131
321372140,3sleep00-21swapper/022:45:280
18901991411,2cyclictest5733-21kworker/u8:123:06:053
18901991411,2cyclictest30978-21kworker/u8:022:50:043
18901991411,2cyclictest30913-21kworker/u8:100:30:063
18901991411,2cyclictest25034-21kworker/u8:000:22:053
18901991411,2cyclictest24070-21kworker/u8:121:57:053
18901991411,2cyclictest12771-21kworker/u8:122:45:053
18901991411,2cyclictest12771-21kworker/u8:122:41:043
1890199140,12cyclictest31348-21fschecks_count00:25:143
1890199140,12cyclictest0-21swapper/321:50:113
18900991411,2cyclictest7040-21kworker/u8:220:07:042
18900991411,2cyclictest28568-21kworker/u8:021:09:042
18900991411,2cyclictest26843-21kworker/u8:120:28:052
18900991410,2cyclictest0-21swapper/219:20:162
1890099140,3cyclictest12785-21ssh22:25:392
1890099140,2cyclictest0-21swapper/222:52:012
18899991410,3cyclictest0-21swapper/121:16:081
1889999140,12cyclictest0-21swapper/123:25:121
1889999140,12cyclictest0-21swapper/122:23:381
1889999140,12cyclictest0-21swapper/100:36:391
1889999140,12cyclictest0-21swapper/100:03:491
1889999140,12cyclictest0-21swapper/100:03:481
18898991410,2cyclictest0-21swapper/000:05:170
1889899140,3cyclictest16719-21ssh23:03:140
1889899140,2cyclictest2215-21diskmemload23:21:150
1889899140,2cyclictest0-21swapper/021:19:050
1889899140,12cyclictest306472sleep023:17:100
1889899140,12cyclictest25034-21kworker/u8:000:25:040
1889899140,12cyclictest0-21swapper/023:50:230
1889899140,12cyclictest0-21swapper/023:47:240
326802130,2sleep30-21swapper/322:13:333
1890199132,6cyclictest0-21swapper/320:55:003
1890199131,6cyclictest0-21swapper/320:25:003
18901991310,2cyclictest6516-21kworker/u8:022:22:063
18901991310,2cyclictest29106-21kworker/u8:100:00:053
18901991310,2cyclictest29106-21kworker/u8:100:00:043
18901991310,2cyclictest26843-21kworker/u8:120:57:053
18901991310,2cyclictest24070-21kworker/u8:121:49:053
18901991310,2cyclictest13251-21kworker/u8:000:09:053
18901991310,2cyclictest0-21swapper/322:05:103
1890199130,3cyclictest0-21swapper/320:36:063
1890099138,3cyclictest17373-21needreboot00:10:152
18900991310,2cyclictest7040-21kworker/u8:220:10:062
1890099130,2cyclictest0-21swapper/222:17:312
1890099130,12cyclictest0-21swapper/221:00:012
1890099130,11cyclictest0-21swapper/200:18:012
1889999134,7cyclictest0-21swapper/122:51:581
18899991310,2cyclictest26753-21ssh23:13:391
18899991310,2cyclictest2215-21diskmemload21:38:481
18899991310,2cyclictest207150irq/24-eth122:13:471
18899991310,2cyclictest0-21swapper/122:48:491
18899991310,2cyclictest0-21swapper/122:41:571
18899991310,2cyclictest0-21swapper/121:05:141
18899991310,2cyclictest0-21swapper/100:17:471
1889999130,2cyclictest0-21swapper/122:35:141
1889999130,2cyclictest0-21swapper/121:12:081
1889999130,2cyclictest0-21swapper/100:08:381
1889999130,12cyclictest0-21swapper/119:45:081
1889999130,12cyclictest0-21swapper/119:15:131
1889999130,11cyclictest0-21swapper/122:00:521
1889999130,11cyclictest0-21swapper/100:33:481
1889899138,3cyclictest5417-21rm23:25:110
1889899133,6cyclictest0-21swapper/021:06:220
1889899131,11cyclictest7478-21ssh22:54:040
18898991310,2cyclictest0-21swapper/023:10:150
18898991310,2cyclictest0-21swapper/023:05:040
18898991310,2cyclictest0-21swapper/022:40:330
18898991310,2cyclictest0-21swapper/022:25:360
18898991310,2cyclictest0-21swapper/021:49:220
18898991310,2cyclictest0-21swapper/000:36:440
18898991310,2cyclictest0-21swapper/000:18:250
1889899130,2cyclictest6425-21ssh00:32:310
1889899130,2cyclictest0-21swapper/023:40:520
1889899130,2cyclictest0-21swapper/021:30:050
1889899130,2cyclictest0-21swapper/021:28:470
1889899130,2cyclictest0-21swapper/021:10:150
1889899130,11cyclictest24874-21ssh22:38:400
1890199129,2cyclictest7488-21kworker/u8:200:17:043
1890199129,2cyclictest32456-21kworker/u8:023:40:043
1890199129,2cyclictest26843-21kworker/u8:120:14:053
1890199129,2cyclictest26843-21kworker/u8:120:00:053
1890199129,2cyclictest26843-21kworker/u8:119:48:053
1890199129,2cyclictest26843-21kworker/u8:119:41:043
1890199129,2cyclictest16722-21kworker/u8:019:14:053
1890199127,3cyclictest27162-21apt-get19:30:093
1890199127,3cyclictest15949-21ssh22:29:553
1890199122,7cyclictest0-21swapper/319:22:593
1890099129,2cyclictest0-21swapper/220:15:162
1890099122,7cyclictest0-21swapper/219:16:582
1890099120,2cyclictest0-21swapper/223:00:182
1890099120,2cyclictest0-21swapper/220:32:012
1890099120,11cyclictest0-21swapper/219:46:082
1889999129,2cyclictest0-21swapper/123:46:081
1889999129,2cyclictest0-21swapper/123:44:111
1889999129,2cyclictest0-21swapper/123:16:081
1889999129,2cyclictest0-21swapper/120:40:171
1889999129,2cyclictest0-21swapper/120:40:171
1889999128,2cyclictest23372-21cpuspeed_turbos19:20:121
1889999127,3cyclictest2215-21diskmemload23:51:011
1889999122,7cyclictest0-21swapper/120:55:021
1889999121,9cyclictest0-21swapper/120:15:121
1889999121,9cyclictest0-21swapper/119:25:141
1889999120,2cyclictest2215-21diskmemload23:23:131
1889999120,2cyclictest0-21swapper/122:55:131
1889999120,2cyclictest0-21swapper/119:55:391
1889999120,2cyclictest0-21swapper/100:10:181
1889999120,11cyclictest0-21swapper/123:03:591
1889999120,11cyclictest0-21swapper/122:34:331
1889999120,11cyclictest0-21swapper/122:25:281
1889999120,11cyclictest0-21swapper/121:55:061
1889999120,11cyclictest0-21swapper/121:45:341
1889999120,11cyclictest0-21swapper/121:40:091
1889999120,11cyclictest0-21swapper/121:30:151
1889999120,11cyclictest0-21swapper/121:29:471
1889999120,11cyclictest0-21swapper/120:31:001
1889999120,11cyclictest0-21swapper/119:30:161
1889999120,10cyclictest0-21swapper/121:51:531
1889899129,2cyclictest0-21swapper/022:16:550
1889899129,2cyclictest0-21swapper/020:10:120
1889899120,2cyclictest0-21swapper/022:11:220
1889899120,2cyclictest0-21swapper/021:56:450
1889899120,2cyclictest0-21swapper/020:31:000
1889899120,11cyclictest9819-21ssh22:55:460
1889899120,11cyclictest0-21swapper/022:05:330
1889899120,11cyclictest0-21swapper/021:53:040
1889899120,11cyclictest0-21swapper/021:42:540
1890199118,2cyclictest32456-21kworker/u8:023:30:013
1890199118,2cyclictest15460-21kworker/u8:319:28:013
1890199118,2cyclictest15195-21kworker/u8:223:36:063
1890199116,3cyclictest274-21jbd2/sda1-823:45:053
1890199111,6cyclictest0-21swapper/319:35:113
1890199110,10cyclictest0-21swapper/321:23:353
1890099118,2cyclictest0-21swapper/219:10:182
1889999118,2cyclictest20793-21apt-get20:35:131
1889999118,2cyclictest0-21swapper/120:10:181
1889999117,2cyclictest17160-21diskstats20:25:131
1889999112,6cyclictest0-21swapper/119:41:001
1889999112,5cyclictest0-21swapper/119:15:011
1889999111,3cyclictest6940-21munin-node1
1889999110,9cyclictest23984-21kworker/1:120:45:131
1889999110,9cyclictest0-21swapper/123:35:161
1889999110,3cyclictest0-21swapper/120:20:121
1889899118,2cyclictest0-21swapper/019:54:050
1889899118,2cyclictest0-21swapper/019:35:350
1889899112,6cyclictest0-21swapper/020:16:020
1889899110,2cyclictest0-21swapper/020:50:110
1889899110,2cyclictest0-21swapper/020:04:300
1889899110,2cyclictest0-21swapper/019:15:190
1889899110,10cyclictest0-21swapper/020:43:430
1889899110,10cyclictest0-21swapper/020:43:420
1889899110,10cyclictest0-21swapper/020:24:020
1890199107,2cyclictest26843-21kworker/u8:120:48:043
1890199107,2cyclictest15460-21kworker/u8:319:16:043
1890199107,2cyclictest14856-21kworker/u8:020:31:043
1890199105,3cyclictest32506-21sendmail-mta21:03:153
1890199105,3cyclictest14179-21awk20:16:033
1890199105,3cyclictest1340-21open_inodes21:05:193
1890199105,3cyclictest0-21swapper/323:15:123
1890199102,6cyclictest0-21swapper/319:51:013
1890099107,2cyclictest0-21swapper/220:50:192
1890099101,6cyclictest0-21swapper/219:50:102
1889999101,7cyclictest3680-21ntp_states19:50:181
1889999100,8cyclictest0-21swapper/120:05:181
1889999100,2cyclictest0-21swapper/121:00:131
1889899105,3cyclictest26192-21sshd19:25:390
1889899102,2cyclictest0-21swapper/020:55:040
1889899101,5cyclictest0-21swapper/019:25:000
1889899100,7cyclictest0-21swapper/020:25:020
1889899100,7cyclictest0-21swapper/019:33:010
189019994,3cyclictest3157-21lldpd20:05:053
188989992,2cyclictest0-21swapper/020:37:040
188989990,7cyclictest0-21swapper/020:06:010
188989990,2cyclictest0-21swapper/020:45:440
188989990,2cyclictest0-21swapper/019:40:590
188989983,3cyclictest938-21cpu19:45:090
188989983,3cyclictest5213-21tr19:55:110
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