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2026-11-10 - 23:56

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 all highest latencies:
System rack3slot6s.osadl.org (updated Tue Nov 10, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173192115104,6sleep30-21swapper/307:06:403
17508210879,6sleep00-21swapper/007:09:110
17237210384,12sleep20-21swapper/207:05:352
17357210183,12sleep10-21swapper/107:07:111
163172840,0sleep00-21swapper/010:33:370
17603994643,2cyclictest29394-21kworker/u8:010:23:043
17603994542,2cyclictest6061-21kworker/u8:310:58:013
17603994542,2cyclictest5759-21kworker/u8:110:03:043
17603994542,2cyclictest31264-21kworker/u8:009:51:053
17603994542,2cyclictest29873-21kworker/u8:111:53:043
17602994542,2cyclictest31264-21kworker/u8:009:52:062
17603994441,2cyclictest31264-21kworker/u8:009:27:043
17603994441,2cyclictest29873-21kworker/u8:111:58:053
17603994441,2cyclictest29394-21kworker/u8:010:16:053
17603994441,2cyclictest27030-21kworker/u8:209:47:043
17603994441,2cyclictest23270-21kworker/u8:312:07:043
17603994441,2cyclictest11553-21kworker/u8:011:13:043
17602994441,2cyclictest29873-21kworker/u8:111:32:052
17603994340,2cyclictest5759-21kworker/u8:110:07:043
17603994340,2cyclictest5759-21kworker/u8:109:59:043
17603994340,2cyclictest3475-21kworker/u8:210:28:043
17603994340,2cyclictest31264-21kworker/u8:009:42:043
17603994340,2cyclictest31264-21kworker/u8:009:39:043
17603994340,2cyclictest31264-21kworker/u8:009:39:043
17603994340,2cyclictest29873-21kworker/u8:111:29:043
17603994340,2cyclictest21093-21kworker/u8:109:33:053
17603994340,2cyclictest10863-21kworker/u8:112:22:053
17602994340,2cyclictest11745-21kworker/u8:110:42:062
17603994239,2cyclictest3475-21kworker/u8:210:32:043
17603994239,2cyclictest29873-21kworker/u8:111:46:043
17603994239,2cyclictest22396-21kworker/u8:210:45:043
17603994239,2cyclictest11745-21kworker/u8:110:41:053
17602994239,2cyclictest31264-21kworker/u8:009:40:062
17601994239,2cyclictest29873-21kworker/u8:111:59:041
17601994239,2cyclictest10889-21kworker/u8:210:12:051
17601994238,2cyclictest29394-21kworker/u8:010:19:041
17603994138,2cyclictest7486-21kworker/u8:211:44:043
17603994138,2cyclictest22436-21kworker/u8:012:28:043
17601994137,2cyclictest10889-21kworker/u8:210:05:051
17603994037,2cyclictest10889-21kworker/u8:210:11:043
17602994037,2cyclictest6061-21kworker/u8:310:58:062
17602994034,2cyclictest11745-21kworker/u8:110:47:042
17601994037,2cyclictest7486-21kworker/u8:211:42:041
17601994037,2cyclictest3475-21kworker/u8:210:34:061
17601994037,2cyclictest11745-21kworker/u8:110:42:011
17602993936,2cyclictest28171-21kworker/u8:010:53:042
17602993936,2cyclictest11553-21kworker/u8:011:12:042
17602993936,2cyclictest10889-21kworker/u8:210:01:042
17602993936,2cyclictest10889-21kworker/u8:209:55:042
17601993936,2cyclictest5759-21kworker/u8:109:48:041
17601993936,2cyclictest29873-21kworker/u8:111:51:041
17601993936,2cyclictest17275-21kworker/u8:212:18:051
17601993936,2cyclictest11553-21kworker/u8:011:26:041
17603993835,2cyclictest8340-21kworker/u8:107:11:043
17602993835,2cyclictest7486-21kworker/u8:211:41:042
17602993835,2cyclictest690-21kworker/u8:211:02:042
17602993835,2cyclictest6061-21kworker/u8:311:08:052
17601993835,2cyclictest7486-21kworker/u8:211:36:041
17601993835,2cyclictest6061-21kworker/u8:310:57:051
17601993835,2cyclictest29873-21kworker/u8:112:02:041
17601993835,2cyclictest29873-21kworker/u8:111:31:041
17601993835,2cyclictest29394-21kworker/u8:010:22:041
17603993734,2cyclictest4531-21kworker/u8:012:15:043
17603993734,2cyclictest3685-21kworker/u8:309:13:043
17602993734,2cyclictest7486-21kworker/u8:211:37:042
17602993734,2cyclictest29873-21kworker/u8:111:49:052
17602993734,2cyclictest27030-21kworker/u8:209:38:012
17602993734,2cyclictest27030-21kworker/u8:209:38:012
17602993734,2cyclictest10863-21kworker/u8:112:23:052
17601993734,2cyclictest5759-21kworker/u8:109:50:041
17601993734,2cyclictest29873-21kworker/u8:111:22:051
17601993734,2cyclictest21093-21kworker/u8:109:32:041
17601993734,2cyclictest17275-21kworker/u8:212:31:041
17603993633,2cyclictest26459-21kworker/u8:008:22:013
17602993633,2cyclictest3685-21kworker/u8:309:30:052
17602993633,2cyclictest3685-21kworker/u8:309:22:062
17602993633,2cyclictest24191-21kworker/u8:108:08:052
17601993633,2cyclictest22436-21kworker/u8:012:26:051
17603993532,2cyclictest26459-21kworker/u8:008:25:043
17603993532,2cyclictest24191-21kworker/u8:108:11:043
17603993532,2cyclictest18090-21kworker/u8:007:16:053
17603993532,2cyclictest16172-21kworker/u8:207:44:053
17603993532,2cyclictest16172-21kworker/u8:207:39:043
17603993532,2cyclictest16172-21kworker/u8:207:24:043
1760399350,18cyclictest0-21swapper/312:14:043
1760399350,18cyclictest0-21swapper/311:38:043
17602993532,2cyclictest31264-21kworker/u8:009:25:042
17602993532,2cyclictest31264-21kworker/u8:009:18:042
17602993532,2cyclictest29394-21kworker/u8:010:24:042
17602993532,2cyclictest22436-21kworker/u8:012:29:042
17601993532,2cyclictest4531-21kworker/u8:012:14:051
17601993532,2cyclictest3685-21kworker/u8:309:21:051
17601993532,2cyclictest31264-21kworker/u8:009:29:041
17601993532,2cyclictest29394-21kworker/u8:010:25:041
17601993532,2cyclictest20979-21kworker/u8:011:48:051
17603993431,2cyclictest28156-21kworker/u8:109:06:053
17603993431,2cyclictest17275-21kworker/u8:212:35:043
17603993431,2cyclictest16172-21kworker/u8:207:50:023
17602993431,2cyclictest6061-21kworker/u8:311:17:042
17602993431,2cyclictest5759-21kworker/u8:110:18:052
17602993431,2cyclictest29873-21kworker/u8:111:55:052
17602993431,2cyclictest29873-21kworker/u8:111:50:042
17602993431,2cyclictest22436-21kworker/u8:012:37:052
17602993431,2cyclictest17275-21kworker/u8:212:33:042
17601993431,2cyclictest6061-21kworker/u8:311:15:041
17601993431,2cyclictest21093-21kworker/u8:109:35:051
17601993431,2cyclictest21093-21kworker/u8:109:35:041
17601993431,2cyclictest11745-21kworker/u8:110:48:051
1760199340,18cyclictest0-21swapper/110:03:041
17603993330,2cyclictest29997-21kworker/u8:208:51:043
17603993330,2cyclictest24191-21kworker/u8:108:15:053
17603993330,2cyclictest16172-21kworker/u8:207:45:043
17602993330,2cyclictest11553-21kworker/u8:011:20:052
17601993330,2cyclictest6061-21kworker/u8:311:05:041
17601993330,2cyclictest23270-21kworker/u8:312:05:041
17601993330,2cyclictest22436-21kworker/u8:012:39:051
17603993229,2cyclictest31264-21kworker/u8:009:04:013
17603993229,2cyclictest28156-21kworker/u8:108:57:043
17603993229,2cyclictest24191-21kworker/u8:108:03:043
17602993229,2cyclictest31264-21kworker/u8:009:14:012
1760299320,18cyclictest0-21swapper/212:06:042
1760299320,18cyclictest0-21swapper/210:36:042
17601993229,2cyclictest31264-21kworker/u8:009:17:041
17603993128,2cyclictest16172-21kworker/u8:207:33:043
17602993128,2cyclictest24191-21kworker/u8:108:20:042
17602993128,2cyclictest18090-21kworker/u8:007:17:052
17602993128,2cyclictest16172-21kworker/u8:207:20:042
17601993128,2cyclictest28156-21kworker/u8:109:10:041
17601993128,2cyclictest26459-21kworker/u8:008:36:041
17601993128,2cyclictest24191-21kworker/u8:108:16:041
17601993128,2cyclictest16172-21kworker/u8:207:30:051
17602993027,2cyclictest28156-21kworker/u8:108:56:022
17602993027,2cyclictest26459-21kworker/u8:008:27:042
17601993027,2cyclictest31264-21kworker/u8:009:02:041
17601993027,2cyclictest28171-21kworker/u8:010:54:041
17601993027,2cyclictest16172-21kworker/u8:207:56:051
17601993027,2cyclictest16172-21kworker/u8:207:49:041
17602992926,2cyclictest28156-21kworker/u8:109:08:052
17602992926,2cyclictest26459-21kworker/u8:008:45:042
17602992926,2cyclictest18090-21kworker/u8:007:14:012
17602992926,2cyclictest16172-21kworker/u8:207:40:052
17601992926,2cyclictest8340-21kworker/u8:107:10:041
17601992926,2cyclictest26459-21kworker/u8:008:29:041
17601992926,2cyclictest16172-21kworker/u8:208:01:041
17601992926,2cyclictest16172-21kworker/u8:207:37:021
17601992926,2cyclictest16172-21kworker/u8:207:27:041
193602280,1sleep00-21swapper/012:20:100
17602992825,2cyclictest31264-21kworker/u8:009:03:042
17602992825,2cyclictest16172-21kworker/u8:207:36:042
17602992825,2cyclictest16172-21kworker/u8:207:26:022
17601992825,2cyclictest26459-21kworker/u8:008:46:051
17602992724,2cyclictest16172-21kworker/u8:207:32:042
17601992724,2cyclictest26459-21kworker/u8:008:44:011
17602992623,2cyclictest29997-21kworker/u8:208:54:042
17602992623,2cyclictest26459-21kworker/u8:008:41:052
17602992623,2cyclictest16172-21kworker/u8:208:02:042
17601992623,2cyclictest26459-21kworker/u8:008:50:041
17601992623,2cyclictest16172-21kworker/u8:207:51:041
17602992522,2cyclictest26459-21kworker/u8:008:35:042
17602992522,2cyclictest16172-21kworker/u8:207:58:042
1760299240,18cyclictest0-21swapper/208:34:052
1760299230,18cyclictest0-21swapper/208:10:012
1760199230,18cyclictest0-21swapper/107:24:041
17601992219,2cyclictest24191-21kworker/u8:108:12:041
1760199220,18cyclictest0-21swapper/112:22:041
1760099210,19cyclictest0-21swapper/011:10:120
1760399200,2cyclictest0-21swapper/312:30:043
1760399200,2cyclictest0-21swapper/307:55:043
1760299200,18cyclictest0-21swapper/212:19:042
17601992017,2cyclictest28156-21kworker/u8:108:56:061
1760099200,2cyclictest0-21swapper/011:45:110
1760399190,2cyclictest0-21swapper/312:03:043
1760399190,2cyclictest0-21swapper/311:22:043
1760399190,2cyclictest0-21swapper/311:05:053
1760399190,2cyclictest0-21swapper/310:54:043
1760399190,2cyclictest0-21swapper/309:21:053
1760399190,2cyclictest0-21swapper/309:15:043
1760399190,2cyclictest0-21swapper/308:36:043
1760399190,2cyclictest0-21swapper/307:29:053
1760299190,2cyclictest0-21swapper/212:12:052
1760299190,2cyclictest0-21swapper/211:27:042
1760299190,2cyclictest0-21swapper/210:26:042
1760299190,2cyclictest0-21swapper/210:07:052
1760299190,2cyclictest0-21swapper/209:45:042
1760299190,2cyclictest0-21swapper/207:45:042
1760199190,2cyclictest0-21swapper/111:14:041
1760199190,2cyclictest0-21swapper/109:57:041
1760199190,2cyclictest0-21swapper/109:42:051
1760199190,2cyclictest0-21swapper/109:06:041
1760199190,2cyclictest0-21swapper/107:44:051
1760199190,2cyclictest0-21swapper/107:16:051
1760199190,17cyclictest0-21swapper/110:35:111
1760299180,2cyclictest0-21swapper/210:32:052
1760299180,2cyclictest0-21swapper/207:50:022
1760299180,1cyclictest0-21swapper/208:15:052
1760199180,2cyclictest0-21swapper/108:05:051
17600991815,2cyclictest29394-21kworker/u8:010:21:050
1760099161,13cyclictest5962-21ssh09:48:190
1760099161,13cyclictest2849-21rs:main0
1760199150,3cyclictest0-21swapper/108:30:051
1760099150,13cyclictest0-21swapper/012:05:400
1760099150,13cyclictest0-21swapper/010:19:590
1760099150,13cyclictest0-21swapper/009:43:200
1760099150,13cyclictest0-21swapper/009:11:020
1760299149,3cyclictest0-21swapper/212:03:282
1760299142,7cyclictest30743-21ssh10:15:002
1760199140,12cyclictest9970-21ssh11:00:181
1760099149,3cyclictest0-21swapper/011:56:000
1760099141,5cyclictest0-21swapper/011:50:000
1760099140,2cyclictest1719-21diskmemload09:16:590
1760099140,2cyclictest0-21swapper/009:58:100
1760099140,13cyclictest0-21swapper/010:52:090
1760099140,13cyclictest0-21swapper/010:44:590
1760099140,12cyclictest32302-21sh12:34:110
1760099140,12cyclictest1719-21diskmemload12:35:050
1760099140,12cyclictest0-21swapper/010:05:220
17603991310,2cyclictest0-21swapper/311:15:123
1760399130,2cyclictest0-21swapper/310:39:323
1760399130,12cyclictest0-21swapper/311:30:183
17600991310,2cyclictest30648-21ssh10:48:570
17600991310,2cyclictest25688-21apt-get09:35:120
17600991310,2cyclictest25688-21apt-get09:35:110
17600991310,2cyclictest11198-21ssh11:36:200
17600991310,2cyclictest0-21swapper/012:10:040
17600991310,2cyclictest0-21swapper/012:04:490
17600991310,2cyclictest0-21swapper/010:35:520
1760099130,3cyclictest0-21swapper/012:16:070
1760099130,2cyclictest0-21swapper/010:59:200
1760099130,2cyclictest0-21swapper/009:50:380
1760099130,2cyclictest0-21swapper/009:32:390
1760099130,12cyclictest22150irq/25-ahci[00012:26:110
1760099130,12cyclictest0-21swapper/011:34:090
1760099130,12cyclictest0-21swapper/011:24:400
1760099130,12cyclictest0-21swapper/011:09:390
1760099130,12cyclictest0-21swapper/010:29:490
1760099130,12cyclictest0-21swapper/010:02:340
1760399120,2cyclictest0-21swapper/308:44:023
1760399120,11cyclictest0-21swapper/311:01:063
1760199120,2cyclictest0-21swapper/108:24:201
1760099129,2cyclictest0-21swapper/011:40:140
1760099129,2cyclictest0-21swapper/011:26:130
1760099129,2cyclictest0-21swapper/010:10:030
1760099129,2cyclictest0-21swapper/009:05:160
1760099129,2cyclictest0-21swapper/008:07:000
1760099128,2cyclictest8802-21ssh11:00:020
1760099121,6cyclictest0-21swapper/008:55:000
1760099121,6cyclictest0-21swapper/007:55:010
1760099120,2cyclictest0-21swapper/009:20:040
1760099120,11cyclictest0-21swapper/011:15:400
1760099120,11cyclictest0-21swapper/007:25:060
251892110,1sleep00-21swapper/008:10:250
1760099111,6cyclictest0-21swapper/008:15:000
1760099110,2cyclictest0-21swapper/007:15:590
1760099110,10cyclictest0-21swapper/008:35:000
1760099110,10cyclictest0-21swapper/008:20:320
1760099110,10cyclictest0-21swapper/007:44:300
1760399106,3cyclictest27326-21apt-get08:30:063
1760399100,2cyclictest0-21swapper/308:06:333
1760099107,2cyclictest0-21swapper/008:25:320
1760099107,2cyclictest0-21swapper/007:20:140
1760099102,7cyclictest0-21swapper/008:36:040
1760099100,9cyclictest0-21swapper/008:59:230
1760099100,9cyclictest0-21swapper/008:00:430
1760099100,9cyclictest0-21swapper/007:45:020
1760099100,9cyclictest0-21swapper/007:36:010
1760099100,8cyclictest0-21swapper/009:00:080
176039994,3cyclictest4543-1kworker/3:0H08:46:163
176009996,2cyclictest0-21swapper/007:54:040
176009994,3cyclictest29036-21sendmail-mta08:45:060
176009994,3cyclictest27842-21sendmail-mta08:40:370
176009993,5cyclictest0-21swapper/007:30:050
176009983,3cyclictest2850-21rsyslogd07:10:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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