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2026-08-30 - 13:33

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 Sun Aug 30, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7853210880,6sleep30-21swapper/319:05:263
8347210594,6sleep10-21swapper/119:06:251
8595210493,6sleep00-21swapper/019:09:360
837829988,6sleep20-21swapper/219:06:502
20952660,0sleep30-21swapper/321:54:473
274812520,1sleep227480-21ssh21:46:132
865299370,19cyclictest0-21swapper/022:30:110
8654992724,2cyclictest6152-21kworker/u8:223:49:052
8654992724,2cyclictest24479-21kworker/u8:122:18:052
8654992623,2cyclictest23901-21kworker/u8:221:20:062
8653992622,2cyclictest3881-21kworker/u8:000:33:051
865299260,24cyclictest0-21swapper/021:45:130
8654992522,2cyclictest4935-21kworker/u8:223:06:042
8654992522,2cyclictest27884-21kworker/u8:023:39:052
8654992522,2cyclictest22098-21kworker/u8:200:07:052
8654992522,2cyclictest18488-21kworker/u8:022:23:052
8654992522,2cyclictest13221-21kworker/u8:022:47:052
8654992421,2cyclictest28610-21kworker/u8:022:03:052
8654992421,2cyclictest22098-21kworker/u8:200:04:052
8654992421,2cyclictest19846-21kworker/u8:100:28:052
8654992421,2cyclictest19265-21kworker/u8:223:31:042
8654992421,2cyclictest18488-21kworker/u8:022:32:022
8655992320,2cyclictest3881-21kworker/u8:000:24:043
8655992320,2cyclictest22098-21kworker/u8:200:03:053
8654992320,2cyclictest8607-21kworker/u8:121:52:042
8654992320,2cyclictest462-21kworker/u8:123:58:052
8654992320,2cyclictest462-21kworker/u8:123:58:042
8654992320,2cyclictest31464-21kworker/u8:222:56:062
8654992320,2cyclictest2658-21kworker/u8:222:12:062
8654992320,2cyclictest26219-21kworker/u8:023:20:052
8654992320,2cyclictest23901-21kworker/u8:221:18:052
8654992320,2cyclictest16668-21kworker/u8:023:53:052
8654992320,2cyclictest16668-21kworker/u8:023:53:052
8654992320,2cyclictest13458-21kworker/u8:123:17:042
8654992320,2cyclictest13453-21kworker/u8:122:07:052
8654992320,2cyclictest13221-21kworker/u8:022:40:042
8654992320,2cyclictest10638-21kworker/u8:119:52:022
8653992320,2cyclictest3881-21kworker/u8:000:11:041
8655992219,2cyclictest8607-21kworker/u8:121:28:043
865499220,20cyclictest0-21swapper/221:05:122
8655992118,2cyclictest3881-21kworker/u8:000:37:053
8654992118,2cyclictest31464-21kworker/u8:222:52:042
8654992118,2cyclictest28444-21kworker/u8:020:27:052
8654992118,2cyclictest28444-21kworker/u8:020:27:052
8654992118,2cyclictest20684-21kworker/u8:220:05:052
8654992118,2cyclictest11362-21kworker/u8:200:20:012
865499211,18cyclictest0-21swapper/220:10:112
8653992118,2cyclictest13458-21kworker/u8:123:26:051
865399210,18cyclictest0-21swapper/121:50:041
8655992017,2cyclictest8607-21kworker/u8:121:44:023
8655992017,2cyclictest31464-21kworker/u8:222:59:053
8655992017,2cyclictest23901-21kworker/u8:221:19:053
8654992017,2cyclictest9770-21kworker/u8:120:42:022
8654992017,2cyclictest6338-21kworker/u8:019:39:052
8654992017,2cyclictest6338-21kworker/u8:019:28:052
8654992017,2cyclictest4935-21kworker/u8:223:13:052
8654992017,2cyclictest3997-21kworker/u8:220:56:052
8654992017,2cyclictest28610-21kworker/u8:021:56:052
8654992017,2cyclictest10638-21kworker/u8:119:21:042
865499201,2cyclictest2031-21ssh22:28:022
865499201,2cyclictest0-21swapper/200:10:102
865499200,18cyclictest0-21swapper/221:39:052
8653992017,2cyclictest18488-21kworker/u8:022:21:051
8655991916,2cyclictest22098-21kworker/u8:200:08:053
8655991916,2cyclictest20915-21kworker/u8:122:53:043
8655991916,2cyclictest13458-21kworker/u8:123:29:053
865599190,2cyclictest0-21swapper/300:33:043
865599190,2cyclictest0-21swapper/300:11:053
8654991916,2cyclictest20684-21kworker/u8:219:43:052
8654991916,2cyclictest15813-21kworker/u8:021:12:052
865499190,2cyclictest0-21swapper/221:26:042
865499190,2cyclictest0-21swapper/200:30:052
865499190,18cyclictest0-21swapper/219:45:032
865499190,14cyclictest0-21swapper/221:31:052
8653991916,2cyclictest8607-21kworker/u8:121:41:041
8653991916,2cyclictest4935-21kworker/u8:223:10:051
8653991916,2cyclictest22098-21kworker/u8:200:01:051
8655991815,2cyclictest20915-21kworker/u8:122:49:053
8655991815,2cyclictest19265-21kworker/u8:223:24:053
8655991815,2cyclictest15813-21kworker/u8:021:32:053
8655991815,2cyclictest13453-21kworker/u8:122:09:053
8654991815,2cyclictest3997-21kworker/u8:220:24:052
8654991815,2cyclictest3997-21kworker/u8:220:24:042
8654991815,2cyclictest20684-21kworker/u8:220:03:042
8654991815,2cyclictest15813-21kworker/u8:020:52:052
8654991815,2cyclictest10638-21kworker/u8:119:34:052
865499180,2cyclictest0-21swapper/200:36:052
865499180,13cyclictest0-21swapper/219:12:052
8653991815,2cyclictest2658-21kworker/u8:222:13:051
865399180,9cyclictest0-21swapper/100:24:041
865399180,16cyclictest0-21swapper/100:37:041
8652991815,2cyclictest23979-1kworker/0:0H00:35:110
8655991714,2cyclictest3881-21kworker/u8:000:25:053
8655991714,2cyclictest2658-21kworker/u8:222:02:043
8655991714,2cyclictest13458-21kworker/u8:123:14:053
8655991714,2cyclictest13221-21kworker/u8:022:43:053
8654991714,2cyclictest9770-21kworker/u8:120:37:042
8654991714,2cyclictest3997-21kworker/u8:220:46:052
8654991714,2cyclictest3997-21kworker/u8:220:32:052
8654991714,2cyclictest15813-21kworker/u8:021:01:042
8653991714,2cyclictest8607-21kworker/u8:121:37:051
8653991714,2cyclictest31464-21kworker/u8:222:58:051
8653991714,2cyclictest2658-21kworker/u8:222:01:051
8653991714,2cyclictest18488-21kworker/u8:022:32:051
865399170,2cyclictest0-21swapper/121:28:041
865399170,15cyclictest0-21swapper/121:19:041
865599161,3cyclictest0-21swapper/320:10:153
8655991613,2cyclictest7152-21kworker/u8:122:38:053
8655991613,2cyclictest6152-21kworker/u8:223:41:043
8655991613,2cyclictest462-21kworker/u8:123:59:053
8655991613,2cyclictest462-21kworker/u8:123:59:043
8655991613,2cyclictest3881-21kworker/u8:000:17:053
8655991613,2cyclictest2658-21kworker/u8:222:11:053
8655991613,2cyclictest19321-21kworker/u8:121:10:053
8655991613,2cyclictest18488-21kworker/u8:022:30:053
8655991613,2cyclictest18488-21kworker/u8:022:16:023
8655991613,2cyclictest10638-21kworker/u8:119:25:043
8655991613,2cyclictest10638-21kworker/u8:119:23:053
8654991613,2cyclictest1003-21kworker/u8:120:16:052
865499160,2cyclictest0-21swapper/200:18:052
8653991613,2cyclictest8607-21kworker/u8:121:30:061
8653991613,2cyclictest6152-21kworker/u8:223:50:051
8653991613,2cyclictest6152-21kworker/u8:223:50:041
8653991613,2cyclictest462-21kworker/u8:123:44:021
8653991613,2cyclictest462-21kworker/u8:100:09:051
8653991613,2cyclictest3997-21kworker/u8:220:34:051
8653991613,2cyclictest31464-21kworker/u8:222:28:061
8653991613,2cyclictest26219-21kworker/u8:023:18:051
8653991613,2cyclictest26219-21kworker/u8:023:03:051
8653991613,2cyclictest207150irq/24-eth121:47:051
8653991613,2cyclictest20684-21kworker/u8:219:49:041
865399160,14cyclictest0-21swapper/122:53:051
8652991611,3cyclictest0-21swapper/021:12:100
8655991512,2cyclictest20664-21kworker/u8:221:46:053
8655991512,2cyclictest0-21swapper/320:35:583
865599150,2cyclictest0-21swapper/322:21:053
865599150,13cyclictest0-21swapper/320:40:123
8654991512,2cyclictest20684-21kworker/u8:219:57:032
8653991512,2cyclictest4935-21kworker/u8:223:09:041
8653991512,2cyclictest13453-21kworker/u8:122:06:051
865399150,13cyclictest9174-21df19:10:121
865399150,13cyclictest14413-21iostat_ios20:45:161
865399150,13cyclictest0-21swapper/121:55:051
865299151,12cyclictest0-21swapper/023:00:140
8652991510,3cyclictest8658-21ssh22:00:250
8652991510,3cyclictest31434-21munin-node0
8652991510,3cyclictest20228-21sh23:20:180
865299150,13cyclictest23611-21diskmemload22:35:140
865299150,13cyclictest0-21swapper/021:23:150
8655991411,2cyclictest28610-21kworker/u8:021:59:053
8655991411,2cyclictest20684-21kworker/u8:219:46:053
8655991411,2cyclictest1003-21kworker/u8:120:19:053
8655991411,2cyclictest0-21swapper/323:17:583
8655991411,2cyclictest0-21swapper/319:15:183
8655991410,2cyclictest30209-21ssh23:30:593
865599140,2cyclictest0-21swapper/323:45:493
865599140,2cyclictest0-21swapper/323:04:593
865599140,2cyclictest0-21swapper/320:55:063
865599140,12cyclictest0-21swapper/321:00:153
865499140,3cyclictest0-21swapper/223:02:052
8653991411,2cyclictest3881-21kworker/u8:000:15:051
8653991411,2cyclictest0-21swapper/122:40:001
8653991411,2cyclictest0-21swapper/119:50:131
865399140,13cyclictest0-21swapper/123:24:341
865399140,12cyclictest0-21swapper/123:55:201
865399140,12cyclictest0-21swapper/123:55:191
865399140,12cyclictest0-21swapper/123:31:331
865399140,12cyclictest0-21swapper/121:20:091
865299149,3cyclictest0-21swapper/021:44:410
865299142,7cyclictest0-21swapper/000:20:010
8652991410,2cyclictest0-21swapper/021:18:110
865299140,13cyclictest0-21swapper/022:45:000
865299140,13cyclictest0-21swapper/022:40:000
865599139,3cyclictest31093-21kworker/u8:219:13:053
8655991310,2cyclictest6338-21kworker/u8:019:38:053
8655991310,2cyclictest20684-21kworker/u8:220:04:053
8655991310,2cyclictest15813-21kworker/u8:021:21:053
8655991310,2cyclictest10638-21kworker/u8:119:33:043
8655991310,2cyclictest0-21swapper/323:35:373
8655991310,2cyclictest0-21swapper/320:45:183
865599130,2cyclictest0-21swapper/323:50:083
865599130,2cyclictest0-21swapper/323:50:073
865599130,2cyclictest0-21swapper/322:25:183
865599130,11cyclictest0-21swapper/321:35:103
8653991310,2cyclictest6338-21kworker/u8:019:19:051
8653991310,2cyclictest28444-21kworker/u8:020:29:051
8653991310,2cyclictest28444-21kworker/u8:020:29:041
8653991310,2cyclictest20684-21kworker/u8:219:56:051
8653991310,2cyclictest15813-21kworker/u8:020:55:051
8653991310,2cyclictest1003-21kworker/u8:120:18:051
8653991310,2cyclictest0-21swapper/122:43:211
8653991310,2cyclictest0-21swapper/121:13:431
8653991310,2cyclictest0-21swapper/120:20:011
8653991310,2cyclictest0-21swapper/120:20:011
8653991310,2cyclictest0-21swapper/119:30:181
8653991310,2cyclictest0-21swapper/100:25:031
865399130,2cyclictest0-21swapper/123:36:311
865399130,2cyclictest0-21swapper/119:20:131
865399130,12cyclictest0-21swapper/123:45:541
865399130,12cyclictest0-21swapper/122:48:231
865399130,12cyclictest0-21swapper/122:17:121
865299132,7cyclictest0-21swapper/019:25:000
865299132,6cyclictest0-21swapper/023:30:010
865299132,6cyclictest0-21swapper/021:05:010
8652991310,2cyclictest0-21swapper/023:47:260
8652991310,2cyclictest0-21swapper/023:36:090
8652991310,2cyclictest0-21swapper/023:30:100
8652991310,2cyclictest0-21swapper/023:08:270
8652991310,2cyclictest0-21swapper/022:10:370
8652991310,2cyclictest0-21swapper/020:56:020
8652991310,2cyclictest0-21swapper/019:40:500
8652991310,2cyclictest0-21swapper/000:11:140
865299130,2cyclictest0-21swapper/023:54:210
865299130,2cyclictest0-21swapper/023:54:200
865299130,2cyclictest0-21swapper/023:14:200
865299130,2cyclictest0-21swapper/022:24:390
865299130,2cyclictest0-21swapper/000:33:300
865299130,2cyclictest0-21swapper/000:23:000
865299130,12cyclictest0-21swapper/023:44:310
865299130,11cyclictest23611-21diskmemload00:00:300
865299130,11cyclictest18852-21ssh00:26:310
214762130,2sleep021478-21ssh23:55:230
214762130,2sleep021478-21ssh23:55:230
12792130,2sleep01289-21ssh22:26:520
865599129,2cyclictest19321-21kworker/u8:121:09:053
865599129,2cyclictest0-21swapper/320:05:123
865599120,2cyclictest0-21swapper/320:34:053
865599120,11cyclictest0-21swapper/323:06:103
865499127,3cyclictest6977-21awk23:40:172
865499122,5cyclictest0-21swapper/219:20:002
865399120,3cyclictest0-21swapper/121:00:121
865399120,2cyclictest0-21swapper/119:40:181
865399120,11cyclictest0-21swapper/120:05:411
865299129,2cyclictest0-21swapper/023:16:030
865299129,2cyclictest0-21swapper/022:07:190
865299129,2cyclictest0-21swapper/020:25:140
865299129,2cyclictest0-21swapper/020:25:130
865299129,2cyclictest0-21swapper/000:05:370
865299128,3cyclictest0-21swapper/019:25:130
865299122,6cyclictest0-21swapper/020:20:010
865299121,3cyclictest9491-21munin-run20:35:010
865299121,3cyclictest15758-21munin-node0
865299120,2cyclictest0-21swapper/022:57:060
865299120,2cyclictest0-21swapper/020:05:470
865299120,2cyclictest0-21swapper/019:50:160
865299120,2cyclictest0-21swapper/019:35:130
865299120,11cyclictest0-21swapper/022:50:020
865299120,11cyclictest0-21swapper/022:15:470
865299120,11cyclictest0-21swapper/021:32:080
865299120,11cyclictest0-21swapper/021:25:080
865299120,11cyclictest0-21swapper/019:46:030
865299120,10cyclictest1644-21latency_hist20:14:590
865299120,10cyclictest0-21swapper/020:40:100
33342120,1sleep00-21swapper/021:55:180
118062120,2sleep223611-21diskmemload22:38:092
865599118,2cyclictest3997-21kworker/u8:220:25:053
865599118,2cyclictest3997-21kworker/u8:220:25:053
865599118,2cyclictest20684-21kworker/u8:219:41:053
865499110,2cyclictest0-21swapper/221:42:032
865399118,2cyclictest15813-21kworker/u8:021:05:051
865399118,2cyclictest0-21swapper/120:35:471
865399110,9cyclictest29023-21df_abs20:00:121
865399110,2cyclictest0-21swapper/119:25:041
865299118,2cyclictest0-21swapper/020:20:120
865299118,2cyclictest0-21swapper/020:20:120
865299112,5cyclictest0-21swapper/020:00:000
865299112,5cyclictest0-21swapper/019:14:590
865299111,5cyclictest0-21swapper/020:05:000
865299110,10cyclictest0-21swapper/021:05:130
865499106,3cyclictest3728-21runrttasks23:25:012
865399107,2cyclictest28444-21kworker/u8:020:10:011
865299107,2cyclictest0-21swapper/020:45:120
865299107,2cyclictest0-21swapper/019:15:070
86559996,2cyclictest0-21swapper/320:21:313
86559996,2cyclictest0-21swapper/320:21:303
86559996,2cyclictest0-21swapper/319:50:113
86539990,8cyclictest0-21swapper/120:40:101
86539990,7cyclictest0-21swapper/120:50:131
86539990,7cyclictest0-21swapper/119:35:111
86529994,3cyclictest16048-21cpuspeed_turbos20:50:120
86529992,6cyclictest0-21swapper/019:31:030
86529990,2cyclictest0-21swapper/020:35:090
86559984,2cyclictest15991-21cpuspeed_turbos20:50:133
86559984,2cyclictest0-21swapper/319:55:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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