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2026-08-16 - 01:46

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 Sun Aug 16, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19030211593,14sleep30-21swapper/319:05:183
19882211288,18sleep00-21swapper/019:09:550
19753211190,16sleep10-21swapper/119:08:161
18100210888,15sleep20-21swapper/219:05:092
18482770,1sleep00-21swapper/021:42:570
41482710,0sleep20-21swapper/223:25:122
226842620,1sleep20-21swapper/220:40:112
286222570,1sleep20-21swapper/200:22:432
188422550,0sleep10-21swapper/122:00:171
19916993414,18cyclictest0-21swapper/122:50:121
1991699267,18cyclictest21-21rcuc/120:00:131
19916992320,2cyclictest3650-21kworker/u8:021:50:041
19916992316,2cyclictest207150irq/24-eth100:18:041
1991599231,20cyclictest5340-21ssh22:20:120
1991899210,19cyclictest0-21swapper/319:35:133
19917992118,2cyclictest3650-21kworker/u8:022:07:042
19916992118,2cyclictest25811-21kworker/u8:219:34:041
19916992118,2cyclictest19771-21kworker/u8:122:33:041
1991599213,16cyclictest0-21swapper/022:40:120
19915992115,4cyclictest0-21swapper/020:50:000
1991599211,18cyclictest0-21swapper/023:55:120
19916992017,2cyclictest30152-21kworker/u8:223:20:041
19916992017,2cyclictest2875-21kworker/u8:100:02:041
19916992017,2cyclictest2875-21kworker/u8:100:02:041
19916992017,2cyclictest22755-21kworker/u8:223:47:041
19916992017,2cyclictest16029-21kworker/u8:023:05:041
19916992017,2cyclictest15443-21kworker/u8:021:29:041
19915992017,2cyclictest0-21swapper/023:00:090
19917991916,2cyclictest9723-21kworker/u8:123:03:042
19917991916,2cyclictest31601-21kworker/u8:022:23:042
19917991916,2cyclictest19771-21kworker/u8:122:39:042
19916991916,2cyclictest9723-21kworker/u8:122:57:041
19916991916,2cyclictest2684-21kworker/u8:219:58:041
19916991916,2cyclictest25623-21kworker/u8:100:24:041
19916991916,2cyclictest19771-21kworker/u8:122:27:041
19916991916,2cyclictest16029-21kworker/u8:023:27:031
19916991916,2cyclictest15443-21kworker/u8:021:33:041
1991699190,2cyclictest0-21swapper/123:33:041
1991599194,13cyclictest0-21swapper/022:08:450
19915991914,4cyclictest0-21swapper/021:48:380
1991599190,17cyclictest0-21swapper/020:05:110
128012190,0sleep10-21swapper/123:00:131
19917991815,2cyclictest3650-21kworker/u8:021:48:032
19917991815,2cyclictest10618-21kworker/u8:200:38:042
19916991815,2cyclictest3650-21kworker/u8:021:59:041
19916991815,2cyclictest22755-21kworker/u8:223:51:031
19916991813,4cyclictest2875-21kworker/u8:100:10:011
19916991813,2cyclictest24277-21kworker/u8:220:51:041
1991699180,2cyclictest207150irq/24-eth122:19:041
1991599184,12cyclictest30552-21sh22:12:120
1991599183,14cyclictest0-21swapper/021:35:510
1991599182,14cyclictest0-21swapper/021:28:480
1991599180,2cyclictest0-21swapper/020:20:100
1991599180,2cyclictest0-21swapper/020:20:100
19917991714,2cyclictest26700-21kworker/u8:121:19:042
19917991714,2cyclictest17149-21kworker/u8:123:40:042
19916991714,2cyclictest2971-21kworker/u8:000:35:021
19916991714,2cyclictest2971-21kworker/u8:000:34:051
19916991714,2cyclictest25623-21kworker/u8:100:28:041
19916991714,2cyclictest21828-21kworker/u8:123:11:041
19916991714,2cyclictest19771-21kworker/u8:122:45:041
1991699170,12cyclictest0-21swapper/121:46:041
1991599173,4cyclictest0-21swapper/022:17:170
1991599173,3cyclictest0-21swapper/000:12:510
1991599173,13cyclictest0-21swapper/022:53:450
1991599173,13cyclictest0-21swapper/022:33:350
1991599173,13cyclictest0-21swapper/021:33:370
1991599172,13cyclictest0-21swapper/022:45:070
19915991713,3cyclictest0-21swapper/023:20:070
301492160,0sleep20-21swapper/223:51:022
1991899161,3cyclictest11623-21aten2.4_r3power21:20:133
1991899161,13cyclictest32591-21irqstats21:05:163
19917991613,2cyclictest6886-21kworker/u8:120:30:042
19917991613,2cyclictest6886-21kworker/u8:120:30:042
19917991613,2cyclictest29696-21kworker/u8:222:52:042
19917991613,2cyclictest29673-21kworker/u8:221:52:042
19917991613,2cyclictest2875-21kworker/u8:100:07:042
19917991613,2cyclictest15443-21kworker/u8:021:37:042
19917991613,2cyclictest1514-21kworker/u8:221:25:042
19916991613,2cyclictest6886-21kworker/u8:120:05:041
19916991613,2cyclictest2875-21kworker/u8:100:05:041
19916991613,2cyclictest26700-21kworker/u8:121:21:041
19916991613,2cyclictest24277-21kworker/u8:220:55:041
19916991613,2cyclictest20292-21kworker/u8:119:49:041
19916991613,2cyclictest10570-21kworker/u8:220:21:041
19916991613,2cyclictest10570-21kworker/u8:220:21:041
1991699160,2cyclictest0-21swapper/123:17:041
1991699160,2cyclictest0-21swapper/122:42:041
1991699160,2cyclictest0-21swapper/121:39:041
1991699160,15cyclictest0-21swapper/122:13:041
1991599163,12cyclictest0-21swapper/020:15:160
1991599162,13cyclictest0-21swapper/000:29:160
19915991613,2cyclictest0-21swapper/022:04:390
19915991613,2cyclictest0-21swapper/021:55:490
19915991612,3cyclictest0-21swapper/000:00:350
19915991612,3cyclictest0-21swapper/000:00:350
19915991611,4cyclictest22150irq/25-ahci[00023:54:040
1991599161,14cyclictest0-21swapper/021:50:180
51562151,3sleep15093-21sendmail-mta21:13:171
1991899151,3cyclictest0-21swapper/300:10:253
1991899150,13cyclictest1248-21diskmemload23:34:213
1991899150,13cyclictest0-21swapper/319:41:033
19917991512,2cyclictest25623-21kworker/u8:100:26:042
19917991512,2cyclictest21333-21kworker/u8:121:40:042
19917991512,2cyclictest19771-21kworker/u8:122:26:062
19917991512,2cyclictest16029-21kworker/u8:023:13:042
19917991512,2cyclictest1514-21kworker/u8:221:30:052
1991799150,13cyclictest0-21swapper/222:44:262
19916991512,2cyclictest20292-21kworker/u8:119:24:041
19916991512,2cyclictest17149-21kworker/u8:123:38:051
1991699150,2cyclictest0-21swapper/123:58:041
1991699150,2cyclictest0-21swapper/121:15:041
1991699150,2cyclictest0-21swapper/120:14:001
1991699150,2cyclictest0-21swapper/119:16:041
1991599155,8cyclictest27122-21cut23:15:160
1991599155,8cyclictest21644-21sshd20:35:470
1991599152,7cyclictest0-21swapper/020:10:000
1991599152,12cyclictest0-21swapper/022:37:040
1991599152,12cyclictest0-21swapper/000:34:110
1991599152,11cyclictest0-21swapper/000:20:070
1991599152,10cyclictest0-21swapper/021:17:450
19915991512,2cyclictest0-21swapper/023:34:280
1991599151,13cyclictest0-21swapper/023:06:460
1991599151,13cyclictest0-21swapper/022:57:430
19915991511,3cyclictest0-21swapper/000:05:250
19915991510,4cyclictest0-21swapper/023:38:540
19915991510,4cyclictest0-21swapper/021:20:430
19915991510,3cyclictest1542-21awk19:45:190
1991899141,3cyclictest3728-21runrttasks22:08:453
1991899141,2cyclictest1248-21diskmemload22:15:143
19918991411,2cyclictest1248-21diskmemload22:00:103
19918991411,2cyclictest0-21swapper/322:40:403
19918991411,2cyclictest0-21swapper/321:55:003
19918991411,2cyclictest0-21swapper/321:46:143
19918991411,2cyclictest0-21swapper/320:15:403
19918991411,2cyclictest0-21swapper/300:19:113
1991899141,11cyclictest30445-21ssh23:18:503
1991899140,3cyclictest0-21swapper/323:50:013
1991899140,2cyclictest0-21swapper/323:47:413
1991899140,12cyclictest0-21swapper/323:24:543
1991899140,12cyclictest0-21swapper/322:22:003
1991899140,12cyclictest0-21swapper/300:00:053
1991899140,12cyclictest0-21swapper/300:00:053
19917991411,2cyclictest3650-21kworker/u8:021:58:042
19917991411,2cyclictest31601-21kworker/u8:022:15:042
19917991411,2cyclictest31560-21kworker/u8:021:07:042
19917991411,2cyclictest30152-21kworker/u8:223:38:012
19917991411,2cyclictest30152-21kworker/u8:223:32:042
19917991411,2cyclictest25811-21kworker/u8:219:27:042
19917991411,2cyclictest24277-21kworker/u8:221:02:042
19917991411,2cyclictest16029-21kworker/u8:023:15:042
19917991411,2cyclictest0-21swapper/200:12:192
1991799140,12cyclictest0-21swapper/223:55:192
1991799140,12cyclictest0-21swapper/200:17:292
19916991411,2cyclictest6886-21kworker/u8:120:33:041
19916991411,2cyclictest6886-21kworker/u8:120:33:041
19916991411,2cyclictest25811-21kworker/u8:219:40:041
19916991411,2cyclictest14169-21kworker/u8:219:10:041
1991699140,2cyclictest0-21swapper/122:21:041
1991699140,12cyclictest0-21swapper/123:40:141
1991599149,3cyclictest0-21swapper/020:55:150
1991599145,7cyclictest5672-21ssh21:14:020
1991599145,4cyclictest1248-21diskmemload23:43:130
1991599142,7cyclictest0-21swapper/020:00:000
1991599141,12cyclictest0-21swapper/023:47:060
19915991410,3cyclictest0-21swapper/019:35:190
1991599140,13cyclictest0-21swapper/022:25:280
1991599140,12cyclictest0-21swapper/020:50:120
1991899132,6cyclictest0-21swapper/319:50:003
1991899131,7cyclictest1248-21diskmemload23:39:593
19918991310,2cyclictest0-21swapper/323:56:413
19918991310,2cyclictest0-21swapper/323:00:503
19918991310,2cyclictest0-21swapper/322:55:503
19918991310,2cyclictest0-21swapper/322:45:043
19918991310,2cyclictest0-21swapper/322:38:473
19918991310,2cyclictest0-21swapper/322:25:223
19918991310,2cyclictest0-21swapper/321:41:463
19918991310,2cyclictest0-21swapper/321:35:103
19918991310,2cyclictest0-21swapper/321:15:553
19918991310,2cyclictest0-21swapper/321:11:423
19918991310,2cyclictest0-21swapper/321:03:103
19918991310,2cyclictest0-21swapper/320:30:163
19918991310,2cyclictest0-21swapper/320:30:153
19918991310,2cyclictest0-21swapper/300:30:313
19918991310,2cyclictest0-21swapper/300:09:113
1991899130,2cyclictest0-21swapper/323:09:453
1991899130,2cyclictest0-21swapper/322:12:113
1991899130,12cyclictest0-21swapper/323:43:213
1991899130,12cyclictest0-21swapper/320:20:103
1991899130,12cyclictest0-21swapper/320:20:093
1991899130,11cyclictest274-21jbd2/sda1-820:53:583
19917991310,2cyclictest2684-21kworker/u8:219:59:042
19917991310,2cyclictest25811-21kworker/u8:219:38:042
19917991310,2cyclictest20292-21kworker/u8:119:50:042
19917991310,2cyclictest19771-21kworker/u8:122:11:032
19917991310,2cyclictest0-21swapper/222:49:552
19917991310,2cyclictest0-21swapper/220:25:182
19917991310,2cyclictest0-21swapper/220:25:182
19917991310,2cyclictest0-21swapper/220:00:182
1991799130,2cyclictest0-21swapper/222:03:182
1991799130,2cyclictest0-21swapper/200:30:192
1991799130,12cyclictest0-21swapper/222:33:482
1991799130,12cyclictest0-21swapper/221:24:272
1991799130,12cyclictest0-21swapper/220:35:132
19916991310,2cyclictest6886-21kworker/u8:120:29:041
19916991310,2cyclictest6886-21kworker/u8:120:29:031
19916991310,2cyclictest0-21swapper/122:38:181
19916991310,2cyclictest0-21swapper/121:05:091
1991699130,9cyclictest0-21swapper/120:16:041
1991699130,2cyclictest0-21swapper/122:05:041
1991699130,2cyclictest0-21swapper/119:35:411
1991699130,11cyclictest3749-21cut19:50:411
1991599138,3cyclictest17160-21hwlatdetect20:25:190
1991599138,3cyclictest17160-21hwlatdetect20:25:190
1991599137,4cyclictest9824-21sed00:36:020
1991599137,4cyclictest31917-21apt-get21:05:110
1991599137,4cyclictest20790-21cut00:15:130
1991599136,5cyclictest22169-21df_abs23:10:140
1991599135,6cyclictest31656-21grep19:40:150
1991599135,6cyclictest0-21swapper/020:33:570
1991599135,6cyclictest0-21swapper/020:33:570
1991599134,7cyclictest0-21swapper/019:23:220
1991599131,3cyclictest0-21swapper/023:25:020
1991899129,2cyclictest0-21swapper/323:10:493
1991899129,2cyclictest0-21swapper/322:50:073
1991899129,2cyclictest0-21swapper/321:30:363
1991899129,2cyclictest0-21swapper/321:26:573
1991899129,2cyclictest0-21swapper/320:40:133
1991899129,2cyclictest0-21swapper/320:14:413
1991899129,2cyclictest0-21swapper/300:35:363
1991899129,2cyclictest0-21swapper/300:20:173
1991899122,6cyclictest0-21swapper/320:40:013
1991899120,2cyclictest0-21swapper/323:25:123
1991899120,2cyclictest0-21swapper/322:30:023
1991899120,11cyclictest0-21swapper/321:51:063
1991899120,11cyclictest0-21swapper/320:46:033
1991899120,11cyclictest0-21swapper/320:05:173
1991899120,11cyclictest0-21swapper/319:30:163
1991899120,11cyclictest0-21swapper/319:25:153
1991899120,11cyclictest0-21swapper/300:25:423
1991799129,2cyclictest31560-21kworker/u8:021:10:042
1991799129,2cyclictest0-21swapper/200:00:092
1991799129,2cyclictest0-21swapper/200:00:082
1991799120,8cyclictest0-21swapper/220:11:012
1991799120,2cyclictest0-21swapper/223:08:522
1991799120,2cyclictest0-21swapper/222:55:182
1991799120,2cyclictest0-21swapper/219:20:112
1991799120,11cyclictest0-21swapper/223:45:492
1991799120,11cyclictest0-21swapper/223:20:332
1991699129,2cyclictest6886-21kworker/u8:120:43:041
1991699121,3cyclictest1248-21diskmemload21:40:151
1991699120,2cyclictest0-21swapper/120:48:001
1991699120,2cyclictest0-21swapper/119:25:041
1991599126,4cyclictest6872-21aten2.4_r3power20:00:130
1991599126,4cyclictest30324-21basename21:00:130
1991599126,4cyclictest27434-21chrt19:30:100
1991599126,4cyclictest2671-21cut19:50:120
1991599126,4cyclictest25853-21aten2.4_r3power19:25:120
1991599126,4cyclictest22373-21grep19:15:140
1991599126,4cyclictest20153-21aten2.4_r3power19:10:120
1991599125,5cyclictest22725-21aten2.4_r3power20:40:120
1991899116,3cyclictest7698-21tail20:00:183
1991799118,2cyclictest25811-21kworker/u8:219:42:042
1991799118,2cyclictest18738-21kworker/u8:020:47:042
1991799118,2cyclictest0-21swapper/219:45:182
1991799112,6cyclictest0-21swapper/220:15:022
1991799110,8cyclictest0-21swapper/220:58:592
1991799110,10cyclictest0-21swapper/219:33:182
1991699118,2cyclictest6886-21kworker/u8:120:35:041
1991899107,2cyclictest0-21swapper/319:20:073
1991899105,3cyclictest30028-21cron21:00:003
1991899100,9cyclictest0-21swapper/319:54:123
1991799107,2cyclictest10570-21kworker/u8:220:23:042
1991799107,2cyclictest10570-21kworker/u8:220:23:042
1991799107,2cyclictest0-21swapper/219:18:412
1991799107,2cyclictest0-21swapper/219:10:152
1991799102,7cyclictest0-21swapper/220:09:592
1991799100,7cyclictest0-21swapper/220:50:022
1991699100,2cyclictest0-21swapper/121:00:121
199189994,3cyclictest5114-21grep19:55:143
199189994,3cyclictest22436-21cpuspeed_turbos19:15:143
199189994,3cyclictest21373-21timerandwakeup19:11:043
199189994,3cyclictest16833-21cut20:25:163
199189994,3cyclictest16833-21cut20:25:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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