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2026-09-23 - 06:21

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 Wed Sep 23, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192522119107,6sleep30-21swapper/319:06:153
19408211894,19sleep00-21swapper/019:08:170
19508211595,15sleep20-21swapper/219:09:352
19456211293,14sleep10-21swapper/119:08:541
70772770,0sleep20-21swapper/223:30:002
44792670,1sleep30-21swapper/321:45:033
19570993414,2cyclictest0-21swapper/221:25:122
19570993229,2cyclictest11457-21kworker/u8:100:12:012
19571993127,2cyclictest16848-21kworker/u8:000:03:043
19570993027,2cyclictest16983-21kworker/u8:122:48:042
19571992925,2cyclictest3575-21kworker/u8:221:28:013
19571992925,2cyclictest11948-21kworker/u8:323:43:043
19570992926,2cyclictest18952-21kworker/u8:222:43:042
19570992825,2cyclictest16848-21kworker/u8:000:09:042
19570992724,2cyclictest31245-21kworker/u8:221:51:042
19570992724,2cyclictest28384-21kworker/u8:022:19:042
19570992724,2cyclictest13217-21kworker/u8:122:10:042
19570992724,2cyclictest11235-21kworker/u8:123:14:042
19570992724,2cyclictest10096-21kworker/u8:022:28:052
1956999271,3cyclictest1037-21sendmail-mta23:25:121
19571992623,2cyclictest13217-21kworker/u8:122:01:043
19570992623,2cyclictest25789-21kworker/u8:121:22:042
19570992623,2cyclictest18952-21kworker/u8:222:02:052
19571992522,2cyclictest30387-21kworker/u8:000:28:043
19571992522,2cyclictest17886-21kworker/u8:021:39:043
19571992521,3cyclictest13217-21kworker/u8:122:09:043
19570992522,2cyclictest4779-21kworker/u8:021:58:052
19570992522,2cyclictest4520-21kworker/u8:122:23:042
19570992522,2cyclictest31245-21kworker/u8:221:40:052
19570992522,2cyclictest31245-21kworker/u8:221:40:042
19570992522,2cyclictest28688-21kworker/u8:223:57:042
19570992522,2cyclictest17382-21kworker/u8:200:17:042
19571992421,2cyclictest28688-21kworker/u8:223:58:013
1957199240,18cyclictest0-21swapper/321:59:043
19570992421,2cyclictest3575-21kworker/u8:221:18:042
19570992421,2cyclictest17382-21kworker/u8:200:20:042
1957099241,6cyclictest0-21swapper/200:37:042
19571992320,2cyclictest30387-21kworker/u8:000:38:043
19571992320,2cyclictest27473-21kworker/u8:023:31:043
19571992320,2cyclictest24117-21kworker/u8:121:42:063
19571992320,2cyclictest24117-21kworker/u8:121:42:053
19571992320,2cyclictest11235-21kworker/u8:123:18:043
19570992320,2cyclictest28688-21kworker/u8:223:52:012
19570992320,2cyclictest19883-21kworker/u8:119:38:012
19570992320,2cyclictest11948-21kworker/u8:323:37:042
19570992320,2cyclictest11457-21kworker/u8:100:30:042
19571992219,2cyclictest28384-21kworker/u8:022:18:043
19571992219,2cyclictest2423-21kworker/u8:223:27:053
19571992219,2cyclictest16983-21kworker/u8:122:38:053
19571992219,2cyclictest16848-21kworker/u8:023:49:043
19571992219,2cyclictest16848-21kworker/u8:000:07:043
19571992219,2cyclictest11948-21kworker/u8:323:38:043
19571992219,2cyclictest11235-21kworker/u8:123:09:043
19570992219,2cyclictest27541-21kworker/u8:020:07:042
19570992219,2cyclictest25789-21kworker/u8:120:50:052
19570992219,2cyclictest25324-21kworker/u8:219:27:052
19570992219,2cyclictest16848-21kworker/u8:023:47:042
1957099220,17cyclictest0-21swapper/221:45:042
1957099220,14cyclictest0-21swapper/222:59:042
1956899221,19cyclictest15811-21ssh23:05:120
19571992118,2cyclictest31245-21kworker/u8:221:52:053
19571992118,2cyclictest27473-21kworker/u8:023:20:053
19571992118,2cyclictest11457-21kworker/u8:100:23:043
19571992118,2cyclictest11457-21kworker/u8:100:10:013
19570992118,2cyclictest27473-21kworker/u8:023:32:042
19570992118,2cyclictest25789-21kworker/u8:120:48:012
19570992118,2cyclictest1581-21kworker/u8:219:46:042
1957099210,18cyclictest0-21swapper/200:01:042
1956999210,19cyclictest0-21swapper/123:50:121
19571992017,2cyclictest4761-21kworker/u8:222:53:043
19571992017,2cyclictest31227-21kworker/u8:023:04:063
19571992017,2cyclictest25789-21kworker/u8:121:23:043
19571992017,2cyclictest18952-21kworker/u8:222:12:043
19571992017,2cyclictest10096-21kworker/u8:022:30:043
19571992015,3cyclictest3645-21chrt21:10:163
1957199200,2cyclictest0-21swapper/321:32:053
1957199200,15cyclictest0-21swapper/319:47:043
19570992017,2cyclictest586-21kworker/u8:219:10:042
19570992017,2cyclictest31227-21kworker/u8:023:04:012
19570992017,2cyclictest17691-21kworker/u8:220:38:042
19570992017,2cyclictest14740-21kworker/u8:020:31:042
1957099200,18cyclictest0-21swapper/223:42:042
1957099200,16cyclictest0-21swapper/219:15:042
19569992016,2cyclictest0-21swapper/122:05:111
1956899200,2cyclictest0-21swapper/020:20:120
19571991916,2cyclictest25324-21kworker/u8:219:26:023
19571991916,2cyclictest11235-21kworker/u8:123:13:043
1957199190,2cyclictest0-21swapper/300:33:043
1957199190,2cyclictest0-21swapper/300:18:053
19570991916,2cyclictest19883-21kworker/u8:119:42:012
1957099190,2cyclictest0-21swapper/221:38:052
1957099190,2cyclictest0-21swapper/221:30:042
1957099190,2cyclictest0-21swapper/200:29:042
1957099190,17cyclictest0-21swapper/222:33:042
1957099190,17cyclictest0-21swapper/221:05:142
303702180,0sleep00-21swapper/020:55:140
19571991815,2cyclictest16983-21kworker/u8:122:40:043
19571991811,4cyclictest10556-21ssh21:16:193
19570991815,2cyclictest5086-21kworker/u8:120:14:042
19570991815,2cyclictest19883-21kworker/u8:119:20:042
19570991815,2cyclictest17691-21kworker/u8:221:02:042
19570991815,2cyclictest17691-21kworker/u8:220:58:042
1957099180,2cyclictest0-21swapper/220:26:042
1957099180,14cyclictest0-21swapper/222:05:042
19569991813,3cyclictest0-21swapper/119:31:001
1956899181,14cyclictest12305-21cpuspeed_turbos23:35:120
1956899181,14cyclictest0-21swapper/000:27:580
197222170,0sleep10-21swapper/122:35:121
19571991714,2cyclictest16983-21kworker/u8:122:47:043
19571991714,2cyclictest14740-21kworker/u8:020:17:043
19569991712,3cyclictest0-21swapper/119:55:191
1956999171,14cyclictest0-21swapper/123:43:221
1956999170,15cyclictest0-21swapper/123:10:211
1956999170,15cyclictest0-21swapper/122:15:001
1956999170,15cyclictest0-21swapper/121:35:111
19571991613,2cyclictest17691-21kworker/u8:220:25:053
19571991613,2cyclictest14740-21kworker/u8:020:32:043
19571991613,2cyclictest10096-21kworker/u8:022:27:023
19571991611,4cyclictest0-21swapper/320:51:053
19570991613,2cyclictest5086-21kworker/u8:120:23:042
1957099160,2cyclictest0-21swapper/220:18:052
1957099160,2cyclictest0-21swapper/219:33:042
1956999162,8cyclictest30821-21copy23:55:001
1956899161,13cyclictest4766-21ps21:10:230
1956899161,13cyclictest0-21swapper/020:10:010
1956899160,14cyclictest16994-21ssh21:23:590
19571991512,2cyclictest5086-21kworker/u8:120:24:043
19571991512,2cyclictest5086-21kworker/u8:119:56:043
19571991512,2cyclictest5086-21kworker/u8:119:54:043
19571991512,2cyclictest25789-21kworker/u8:120:49:043
19571991512,2cyclictest25324-21kworker/u8:219:24:013
19571991512,2cyclictest19883-21kworker/u8:119:19:043
1957199150,2cyclictest0-21swapper/322:58:043
19569991512,2cyclictest0-21swapper/122:26:511
1956999151,12cyclictest26218-21sh00:24:011
19569991510,3cyclictest0-21swapper/121:15:311
1956999150,2cyclictest0-21swapper/123:47:171
1956999150,13cyclictest3693-21ssh00:34:321
1956899157,5cyclictest0-21swapper/000:05:000
1956899151,3cyclictest30334-21ssh23:54:170
1956899151,3cyclictest23523-21apt-get20:40:050
19568991510,3cyclictest0-21swapper/023:14:290
19568991510,3cyclictest0-21swapper/022:55:150
19568991510,3cyclictest0-21swapper/020:30:200
1956899150,13cyclictest4666-21ssh23:26:190
1956899150,13cyclictest0-21swapper/000:19:490
53752140,1sleep00-21swapper/022:20:080
19571991411,2cyclictest5086-21kworker/u8:120:13:043
19571991411,2cyclictest5086-21kworker/u8:120:04:053
19571991411,2cyclictest4520-21kworker/u8:122:24:043
19571991411,2cyclictest26440-21kworker/u8:019:13:043
19571991411,2cyclictest14740-21kworker/u8:020:35:043
1957099149,3cyclictest7711-21aten2.4_r3power20:00:122
1956999149,3cyclictest0-21swapper/123:06:121
1956999149,3cyclictest0-21swapper/123:02:351
1956999142,7cyclictest0-21swapper/122:25:001
1956999142,6cyclictest0-21swapper/123:30:001
19569991411,2cyclictest0-21swapper/121:45:101
19569991411,2cyclictest0-21swapper/121:43:301
19569991411,2cyclictest0-21swapper/121:43:301
19569991411,2cyclictest0-21swapper/120:56:001
1956999140,13cyclictest0-21swapper/122:40:071
1956999140,13cyclictest0-21swapper/100:07:121
1956999140,12cyclictest16480-21sh21:56:451
1956999140,12cyclictest0-21swapper/119:15:121
1956899149,3cyclictest2302-21awk21:05:200
1956899149,3cyclictest17296-21ssh22:31:470
1956899149,3cyclictest0-21swapper/022:46:030
1956899142,7cyclictest0-21swapper/020:00:000
1956899142,6cyclictest0-21swapper/019:25:000
1956899141,7cyclictest4378-21ssh21:45:000
1956899141,3cyclictest0-21swapper/023:00:560
19568991411,2cyclictest3245-21diskmemload00:01:490
19568991411,2cyclictest19785-21apt-get19:10:110
19568991411,2cyclictest0-21swapper/023:22:390
1956899140,2cyclictest0-21swapper/021:25:410
1956899140,13cyclictest0-21swapper/021:43:390
1956899140,13cyclictest0-21swapper/021:43:390
1956899140,12cyclictest25951-21ssh21:33:090
1956899140,12cyclictest0-21swapper/023:45:020
1956899140,12cyclictest0-21swapper/023:16:420
1956899140,12cyclictest0-21swapper/022:40:160
19571991310,2cyclictest17691-21kworker/u8:221:00:043
19571991310,2cyclictest17691-21kworker/u8:220:55:043
1957199130,2cyclictest0-21swapper/323:50:023
19570991310,2cyclictest0-21swapper/223:15:142
1957099130,2cyclictest0-21swapper/222:35:152
1957099130,2cyclictest0-21swapper/221:15:002
1957099130,2cyclictest0-21swapper/220:44:042
1957099130,2cyclictest0-21swapper/219:50:142
1956999134,7cyclictest18971-21aten2.4_r3power22:00:141
1956999133,6cyclictest0-21swapper/100:11:031
1956999132,6cyclictest0-21swapper/120:30:001
1956999132,6cyclictest0-21swapper/100:15:001
19569991310,2cyclictest207150irq/24-eth122:55:101
19569991310,2cyclictest0-21swapper/123:38:041
19569991310,2cyclictest0-21swapper/122:50:101
19569991310,2cyclictest0-21swapper/122:34:081
19569991310,2cyclictest0-21swapper/121:50:131
19569991310,2cyclictest0-21swapper/120:35:101
19569991310,2cyclictest0-21swapper/120:20:001
19569991310,2cyclictest0-21swapper/120:15:191
19569991310,2cyclictest0-21swapper/120:05:111
1956999130,3cyclictest0-21swapper/120:00:401
1956999130,2cyclictest279622sleep120:50:151
1956999130,2cyclictest0-21swapper/123:17:121
1956999130,2cyclictest0-21swapper/121:20:361
1956999130,12cyclictest0-21swapper/122:46:471
1956999130,12cyclictest0-21swapper/122:18:201
1956999130,12cyclictest0-21swapper/121:25:561
1956999130,12cyclictest0-21swapper/119:20:151
1956999130,11cyclictest0-21swapper/123:22:051
1956999130,11cyclictest0-21swapper/121:11:001
1956899139,2cyclictest0-21swapper/023:43:300
19568991310,2cyclictest0-21swapper/023:31:070
19568991310,2cyclictest0-21swapper/022:10:220
19568991310,2cyclictest0-21swapper/022:06:060
19568991310,2cyclictest0-21swapper/000:35:070
19568991310,2cyclictest0-21swapper/000:31:030
19568991310,2cyclictest0-21swapper/000:11:320
1956899130,2cyclictest0-21swapper/022:28:390
1956899130,2cyclictest0-21swapper/021:51:430
1956899130,1cyclictest0-21swapper/021:39:390
1956899130,12cyclictest0-21swapper/022:17:100
1956899130,11cyclictest3245-21diskmemload21:17:140
42662120,2sleep20-21swapper/222:52:142
1957199120,2cyclictest0-21swapper/319:31:043
1957099129,2cyclictest0-21swapper/223:07:132
1957099120,11cyclictest0-21swapper/223:24:542
1957099120,11cyclictest0-21swapper/219:55:122
1956999129,2cyclictest0-21swapper/120:40:081
1956999128,2cyclictest19782-21munin-node1
1956999127,3cyclictest21675-21wc20:35:001
1956999121,9cyclictest0-21swapper/120:10:161
1956999121,9cyclictest0-21swapper/119:40:191
1956999121,3cyclictest3478-21munin-node1
1956999121,3cyclictest3245-21diskmemload21:30:181
1956999120,2cyclictest0-21swapper/100:35:051
1956999120,2cyclictest0-21swapper/100:25:301
1956999120,11cyclictest0-21swapper/121:00:041
1956999120,11cyclictest0-21swapper/119:45:111
1956999120,11cyclictest0-21swapper/100:00:211
1956899129,2cyclictest0-21swapper/019:46:010
1956899129,2cyclictest0-21swapper/000:21:060
1956899127,3cyclictest18315-21grep20:25:150
1956899122,7cyclictest0-21swapper/019:21:010
1956899121,3cyclictest0-21swapper/020:10:140
1956899120,2cyclictest0-21swapper/022:01:020
1956899120,11cyclictest0-21swapper/023:55:070
1956899120,11cyclictest0-21swapper/022:52:270
1956899120,11cyclictest0-21swapper/022:35:100
1956899120,11cyclictest0-21swapper/021:00:140
1956899120,11cyclictest0-21swapper/020:50:140
1956899120,11cyclictest0-21swapper/020:45:090
1956899120,11cyclictest0-21swapper/020:35:130
1956899120,11cyclictest0-21swapper/019:51:030
1956899120,11cyclictest0-21swapper/019:40:160
1956899120,11cyclictest0-21swapper/019:15:010
1956899120,10cyclictest0-21swapper/021:55:110
1957199112,5cyclictest0-21swapper/319:40:003
1956999116,3cyclictest30096-21tr19:35:141
1956999112,5cyclictest0-21swapper/120:45:011
1956999110,2cyclictest0-21swapper/121:06:451
1956899118,2cyclictest0-21swapper/019:36:030
1956899110,9cyclictest0-21swapper/020:15:150
1957199100,2cyclictest0-21swapper/321:07:043
1956999100,2cyclictest0-21swapper/119:26:121
1956899107,2cyclictest0-21swapper/019:30:400
195719996,2cyclictest0-21swapper/320:40:153
195719994,3cyclictest32217-21df_abs19:40:133
195719994,3cyclictest10021-21df_abs20:05:133
195689994,3cyclictest3728-21runrttasks20:03:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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