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2026-08-30 - 20:07

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 30, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112352116105,6sleep30-21swapper/307:07:073
112352116105,6sleep30-21swapper/307:07:063
11451210998,6sleep10-21swapper/107:09:531
11451210998,6sleep10-21swapper/107:09:521
11242210885,18sleep00-21swapper/007:07:120
11242210885,18sleep00-21swapper/007:07:110
11161210478,6sleep20-21swapper/207:06:102
11161210478,6sleep20-21swapper/207:06:102
311732850,0sleep30-21swapper/307:56:013
203702750,0sleep20-21swapper/212:21:452
290872700,0sleep30-21swapper/311:24:213
64422680,0sleep00-21swapper/009:54:110
60952670,2sleep06097-21fschecks_count09:20:170
11491993128,2cyclictest14083-21kworker/u8:210:02:053
11491993027,2cyclictest26261-21kworker/u8:312:02:053
11491993027,2cyclictest13994-21kworker/u8:009:19:053
11491993026,2cyclictest1928-21kworker/u8:209:21:053
11491992926,2cyclictest25048-21kworker/u8:311:00:053
11491992926,2cyclictest16573-21kworker/u8:112:22:053
11491992825,2cyclictest31256-21kworker/u8:010:53:053
11491992825,2cyclictest29971-21kworker/u8:011:32:053
11491992825,2cyclictest2958-21kworker/u8:210:29:043
11491992825,2cyclictest10850-21kworker/u8:011:39:043
11490992825,2cyclictest31256-21kworker/u8:011:12:042
1149099282,18cyclictest0-21swapper/212:30:052
1149099280,18cyclictest0-21swapper/209:37:042
11491992724,2cyclictest9186-21kworker/u8:109:42:053
11491992724,2cyclictest31256-21kworker/u8:011:15:053
11491992724,2cyclictest21654-21kworker/u8:211:59:053
11491992724,2cyclictest17277-21kworker/u8:108:40:023
11491992724,2cyclictest17214-21kworker/u8:110:42:063
11491992724,2cyclictest14083-21kworker/u8:209:59:053
1149099272,8cyclictest0-21swapper/211:50:042
1149099270,18cyclictest0-21swapper/210:42:022
1149099270,18cyclictest0-21swapper/210:21:052
1149099270,18cyclictest0-21swapper/209:02:042
11491992623,2cyclictest9940-21kworker/u8:208:35:043
11491992623,2cyclictest31256-21kworker/u8:011:14:043
11491992623,2cyclictest2958-21kworker/u8:210:36:023
11491992623,2cyclictest2958-21kworker/u8:210:36:013
11491992623,2cyclictest25048-21kworker/u8:310:46:013
11491992623,2cyclictest21910-21kworker/u8:110:13:053
11491992623,2cyclictest10850-21kworker/u8:011:54:023
11491992623,2cyclictest10850-21kworker/u8:011:46:053
11490992623,2cyclictest8949-21kworker/u8:010:33:052
11490992623,2cyclictest31256-21kworker/u8:011:09:052
11490992623,2cyclictest14083-21kworker/u8:209:31:052
1149099261,7cyclictest0-21swapper/211:22:052
172992250,0sleep20-21swapper/210:38:272
172992250,0sleep20-21swapper/210:38:262
137962250,1sleep10-21swapper/109:28:111
11491992522,2cyclictest9186-21kworker/u8:109:45:053
11491992522,2cyclictest31256-21kworker/u8:011:05:053
11491992522,2cyclictest29971-21kworker/u8:011:29:043
11491992522,2cyclictest26261-21kworker/u8:312:39:043
11491992522,2cyclictest26261-21kworker/u8:312:12:043
11491992522,2cyclictest25978-21kworker/u8:209:06:063
11491992522,2cyclictest17277-21kworker/u8:108:54:023
11491992522,2cyclictest17277-21kworker/u8:108:21:043
11491992522,2cyclictest17277-21kworker/u8:108:06:053
11491992522,2cyclictest16573-21kworker/u8:112:29:043
11491992522,2cyclictest13380-21kworker/u8:007:35:053
11490992522,2cyclictest13994-21kworker/u8:009:18:022
11490992522,2cyclictest13214-21kworker/u8:211:28:042
1149099250,18cyclictest0-21swapper/209:47:052
1149099250,18cyclictest0-21swapper/208:52:012
11491992421,2cyclictest21910-21kworker/u8:110:16:043
11491992421,2cyclictest17277-21kworker/u8:107:47:043
1149099244,18cyclictest0-21swapper/207:55:132
11490992421,2cyclictest13214-21kworker/u8:211:36:042
11490992421,2cyclictest11685-21kworker/u8:010:07:052
11490992421,2cyclictest11685-21kworker/u8:010:00:042
11490992421,2cyclictest10850-21kworker/u8:011:46:022
11490992421,2cyclictest10850-21kworker/u8:011:44:022
11491992320,2cyclictest26261-21kworker/u8:312:31:053
11491992320,2cyclictest26261-21kworker/u8:312:06:053
11491992320,2cyclictest17277-21kworker/u8:108:30:053
11490992320,2cyclictest21910-21kworker/u8:110:18:042
11490992320,2cyclictest1928-21kworker/u8:209:22:052
11490992320,2cyclictest17277-21kworker/u8:107:45:042
11490992320,2cyclictest14083-21kworker/u8:209:57:052
11491992219,2cyclictest2958-21kworker/u8:210:31:053
11491992219,2cyclictest17277-21kworker/u8:107:42:053
1149199220,18cyclictest0-21swapper/310:58:053
1149199220,18cyclictest0-21swapper/309:51:043
11490992219,2cyclictest26261-21kworker/u8:312:35:052
11490992219,2cyclictest26261-21kworker/u8:312:07:052
11490992219,2cyclictest21654-21kworker/u8:212:02:012
11490992219,2cyclictest21654-21kworker/u8:211:58:052
11490992219,2cyclictest17277-21kworker/u8:108:02:042
11491992118,2cyclictest32162-21kworker/u8:208:11:043
11491992118,2cyclictest17277-21kworker/u8:108:27:053
11491992118,2cyclictest17277-21kworker/u8:107:22:043
11491992118,2cyclictest13380-21kworker/u8:007:52:053
1149199210,7cyclictest0-21swapper/310:06:053
1149099212,2cyclictest0-21swapper/211:01:042
11490992118,2cyclictest875-21kworker/u8:009:53:042
11490992118,2cyclictest8521-21kworker/u8:012:15:042
11490992118,2cyclictest32162-21kworker/u8:208:14:042
11490992118,2cyclictest28069-21kworker/u8:109:12:042
11490992118,2cyclictest26261-21kworker/u8:312:28:012
11490992118,2cyclictest26261-21kworker/u8:312:11:052
11490992118,2cyclictest17214-21kworker/u8:110:46:052
1149099210,18cyclictest0-21swapper/208:57:052
11491992017,2cyclictest17277-21kworker/u8:108:59:053
11490992017,2cyclictest9186-21kworker/u8:109:27:042
11490992017,2cyclictest20383-21kworker/u8:111:16:062
11490992017,2cyclictest17277-21kworker/u8:107:36:052
11490992017,2cyclictest13380-21kworker/u8:007:18:052
1149099200,2cyclictest0-21swapper/208:46:042
11488992016,2cyclictest0-21swapper/007:10:120
1149199190,2cyclictest0-21swapper/312:17:043
1149199190,2cyclictest0-21swapper/311:43:053
1149199190,2cyclictest0-21swapper/309:36:043
1149199190,2cyclictest0-21swapper/309:32:053
1149199190,2cyclictest0-21swapper/309:26:053
1149199190,2cyclictest0-21swapper/309:13:043
1149199190,2cyclictest0-21swapper/308:16:053
11490991916,2cyclictest32162-21kworker/u8:208:15:052
11490991916,2cyclictest2958-21kworker/u8:210:27:042
11490991916,2cyclictest17277-21kworker/u8:108:41:052
11490991916,2cyclictest17277-21kworker/u8:107:27:052
1149099190,2cyclictest0-21swapper/209:09:052
1149099190,2cyclictest0-21swapper/207:41:052
1149099190,2cyclictest0-21swapper/207:32:052
11490991815,2cyclictest9672-21kworker/u8:207:14:012
11490991815,2cyclictest21776-21ssh10:10:112
11490991815,2cyclictest17277-21kworker/u8:108:25:042
11489991814,2cyclictest0-21swapper/109:00:111
11488991816,1cyclictest0-21swapper/008:45:100
11491991714,2cyclictest13994-21kworker/u8:008:49:043
1149199170,2cyclictest0-21swapper/307:14:063
1149099172,10cyclictest0-21swapper/208:36:042
11490991714,2cyclictest17277-21kworker/u8:108:20:052
1149099170,2cyclictest0-21swapper/207:54:052
1148999171,3cyclictest3150-21nscd11:20:001
11491991613,2cyclictest13380-21kworker/u8:007:33:043
1149199160,2cyclictest0-21swapper/310:24:053
1149199160,2cyclictest0-21swapper/307:28:053
11490991613,2cyclictest9940-21kworker/u8:208:33:052
11490991613,2cyclictest13380-21kworker/u8:007:20:042
1148999162,11cyclictest0-21swapper/112:27:581
11489991611,3cyclictest0-21swapper/109:39:071
1148999160,14cyclictest207150irq/24-eth109:15:161
1148899161,3cyclictest23442-21ssh11:18:000
1148899161,2cyclictest0-21swapper/010:40:130
11488991611,3cyclictest0-21swapper/011:36:010
6432150,2sleep00-21swapper/009:48:000
1149099150,2cyclictest0-21swapper/211:31:052
1148999151,3cyclictest16899-21munin-node1
1148999151,2cyclictest24326-21memory10:45:161
1148999151,12cyclictest29479-21gzip07:51:121
1148999151,12cyclictest28447-21sendmail-mta09:43:321
11489991511,2cyclictest24882-21cut07:40:301
11489991511,2cyclictest11720-21aten2.4_r3power07:10:121
1148999150,3cyclictest0-21swapper/109:30:191
1148999150,13cyclictest0-21swapper/108:15:151
1148899151,3cyclictest0-21swapper/009:28:430
1148899151,12cyclictest0-21swapper/011:48:190
11488991510,3cyclictest28632-21sh10:16:050
11488991510,3cyclictest27787-21cpuspeed_turbos12:30:140
1148899150,3cyclictest3187-21ntpd11:32:250
1148899150,13cyclictest0-21swapper/010:33:100
78692140,2sleep00-21swapper/008:20:120
188542140,2sleep00-21swapper/011:13:210
11490991411,2cyclictest32162-21kworker/u8:208:09:052
1148999149,3cyclictest16702-21memory08:40:181
1148999149,3cyclictest0-21swapper/110:54:591
1148999148,4cyclictest11450-21grep11:05:161
11489991411,2cyclictest0-21swapper/111:57:471
11489991411,2cyclictest0-21swapper/111:03:261
1148999141,11cyclictest0-21swapper/108:00:391
11489991410,2cyclictest0-21swapper/110:45:011
1148999140,2cyclictest0-21swapper/112:24:571
1148999140,2cyclictest0-21swapper/111:24:371
1148999140,13cyclictest0-21swapper/109:10:171
1148999140,12cyclictest22962-21cut10:10:291
1148999140,12cyclictest0-21swapper/110:24:361
1148999140,12cyclictest0-21swapper/109:05:301
1148899141,3cyclictest16600-21taskset10:37:220
1148899141,3cyclictest16600-21taskset10:37:210
1148899141,2cyclictest27033-21smartctl07:46:030
11488991411,2cyclictest0-21swapper/010:11:110
1148899141,11cyclictest0-21swapper/009:40:570
11488991410,2cyclictest0-21swapper/009:55:130
1148899140,2cyclictest0-21swapper/012:14:510
1148899140,2cyclictest0-21swapper/011:51:200
1148899140,2cyclictest0-21swapper/009:34:550
1148899140,13cyclictest0-21swapper/010:52:000
1148899140,12cyclictest30416-21ssh09:11:330
1148899140,12cyclictest27803-21diskmemload11:25:230
1148899140,12cyclictest27803-21diskmemload09:36:510
1148899140,12cyclictest22150irq/25-ahci[00010:55:450
1148899140,12cyclictest12129-21apt-get10:00:120
1148899140,12cyclictest0-21swapper/012:26:050
1148899140,12cyclictest0-21swapper/011:41:000
270262130,2sleep00-21swapper/011:21:070
11491991310,2cyclictest0-21swapper/308:00:153
1149099134,6cyclictest26697-21ssh09:41:022
1149099130,11cyclictest0-21swapper/210:55:032
1148999138,3cyclictest18796-21sendmail-mta11:13:281
1148999132,7cyclictest0-21swapper/112:04:591
1148999132,6cyclictest0-21swapper/108:29:591
1148999132,6cyclictest0-21swapper/108:10:011
1148999131,6cyclictest0-21swapper/107:20:011
1148999131,3cyclictest17633-21sh12:19:591
1148999131,3cyclictest0-21swapper/111:40:001
1148999131,10cyclictest32263-21taskset11:26:481
11489991310,2cyclictest0-21swapper/109:20:201
11489991310,2cyclictest0-21swapper/107:30:511
1148999130,2cyclictest0-21swapper/112:36:471
1148999130,2cyclictest0-21swapper/110:05:261
1148999130,2cyclictest0-21swapper/109:55:071
1148999130,12cyclictest0-21swapper/112:10:371
1148999130,12cyclictest0-21swapper/111:33:271
1148999130,12cyclictest0-21swapper/110:17:561
1148999130,11cyclictest0-21swapper/112:30:401
1148899138,3cyclictest0-21swapper/007:36:000
1148899132,7cyclictest0-21swapper/007:45:010
1148899131,7cyclictest0-21swapper/007:25:000
11488991310,2cyclictest0-21swapper/012:20:010
11488991310,2cyclictest0-21swapper/010:20:210
1148899130,2cyclictest0-21swapper/012:05:020
1148899130,2cyclictest0-21swapper/010:46:420
1148899130,2cyclictest0-21swapper/010:25:180
1148899130,2cyclictest0-21swapper/009:05:440
1148899130,12cyclictest0-21swapper/011:08:210
1148899130,11cyclictest0-21swapper/009:17:050
1149199120,11cyclictest0-21swapper/309:03:213
1149099120,10cyclictest0-21swapper/210:50:532
1148999129,2cyclictest0-21swapper/110:35:071
1148999129,2cyclictest0-21swapper/110:35:061
1148999127,3cyclictest22484-21ssh11:50:181
1148999127,3cyclictest19935-21munin-node1
1148999121,9cyclictest7864-21apt-get08:20:111
1148999121,9cyclictest12409-21grep11:40:141
1148999121,9cyclictest0-21swapper/110:55:181
1148999121,3cyclictest2299-21ssh09:50:101
1148999121,3cyclictest21942-21munin-node1
1148999121,3cyclictest12126-21munin-node1
1148999121,3cyclictest0-21swapper/107:56:041
1148999120,2cyclictest0-21swapper/112:06:021
1148999120,2cyclictest0-21swapper/109:47:151
1148999120,11cyclictest0-21swapper/110:29:081
1148999120,10cyclictest0-21swapper/111:45:471
1148999120,10cyclictest0-21swapper/107:25:201
1148899129,2cyclictest0-21swapper/011:55:520
1148899129,2cyclictest0-21swapper/011:01:500
1148899129,2cyclictest0-21swapper/010:08:440
1148899129,2cyclictest0-21swapper/008:40:170
1148899129,2cyclictest0-21swapper/007:51:020
1148899122,8cyclictest0-21swapper/008:25:010
1148899122,7cyclictest0-21swapper/012:19:590
1148899122,7cyclictest0-21swapper/008:00:000
1148899122,6cyclictest0-21swapper/008:00:010
1148899120,11cyclictest11-21rcuc/012:37:230
1148899120,11cyclictest0-21swapper/012:00:190
1149199118,2cyclictest0-21swapper/307:16:043
1148999118,2cyclictest0-21swapper/110:30:231
1148999116,3cyclictest0-21swapper/108:10:151
1148999111,3cyclictest0-21swapper/107:35:151
1148999110,9cyclictest0-21swapper/108:45:391
1148999110,10cyclictest0-21swapper/108:30:151
1148899119,1cyclictest0-21swapper/008:10:140
1148899118,2cyclictest0-21swapper/008:15:170
1148899111,8cyclictest0-21swapper/008:35:180
1148899111,7cyclictest0-21swapper/009:04:010
1148899111,6cyclictest0-21swapper/008:35:000
1148899111,6cyclictest0-21swapper/007:21:000
1148999101,7cyclictest0-21swapper/107:45:181
1148999100,3cyclictest0-21swapper/108:35:181
1148899101,3cyclictest0-21swapper/007:34:390
1148899100,8cyclictest0-21swapper/008:05:130
1148899100,3cyclictest14159-21grep07:15:140
114889994,3cyclictest20551-21sed08:50:150
114889991,6cyclictest0-21swapper/008:55:110
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