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2026-08-14 - 05:38

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 Fri Aug 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14069211895,18sleep10-21swapper/119:05:031
3272221140,3sleep01588899cyclictest21:10:510
15842211294,13sleep20-21swapper/219:09:452
151512112102,6sleep00-21swapper/019:05:550
15563210897,6sleep30-21swapper/319:06:103
17362760,0sleep20-21swapper/223:25:152
49782750,0sleep00-21swapper/021:15:190
125312580,5sleep31589199cyclictest21:24:363
15890992320,2cyclictest22586-21kworker/u8:021:48:022
15889992320,2cyclictest22586-21kworker/u8:021:48:061
324482220,1sleep332451-21ntp_kernel_pll_22:50:183
15890992219,2cyclictest9091-21kworker/u8:223:08:062
15890992219,2cyclictest29448-21kworker/u8:022:19:052
15890992219,2cyclictest22586-21kworker/u8:022:08:052
15891992118,2cyclictest5210-21kworker/u8:100:13:053
15891992118,2cyclictest23275-21kworker/u8:222:09:053
15890992118,2cyclictest22586-21kworker/u8:021:56:052
6862200,1sleep2693-21wc19:51:042
15891992017,2cyclictest26472-21kworker/u8:023:22:063
15891992017,2cyclictest23275-21kworker/u8:222:43:043
15890992017,2cyclictest4724-21kworker/u8:122:26:052
15890992017,2cyclictest29448-21kworker/u8:022:20:052
15890992017,2cyclictest21573-21kworker/u8:200:26:052
15890992017,2cyclictest16924-21kworker/u8:122:04:052
1589099201,2cyclictest0-21swapper/221:38:052
15889992017,2cyclictest9091-21kworker/u8:223:29:041
1588899200,15cyclictest0-21swapper/022:32:040
57152190,1sleep20-21swapper/200:36:032
15891991916,2cyclictest9091-21kworker/u8:200:07:053
15891991916,2cyclictest26671-21kworker/u8:122:58:053
15891991916,2cyclictest23275-21kworker/u8:222:31:053
15890991916,2cyclictest31483-21kworker/u8:023:58:062
15890991916,2cyclictest27285-21kworker/u8:121:23:052
15890991916,2cyclictest26671-21kworker/u8:122:49:052
15890991916,2cyclictest11847-21kworker/u8:322:35:052
15889991916,2cyclictest30908-21kworker/u8:221:27:041
15889991916,2cyclictest27285-21kworker/u8:121:32:041
1588899190,14cyclictest0-21swapper/021:34:050
15891991815,2cyclictest9838-21kworker/u8:123:40:053
15891991815,2cyclictest31483-21kworker/u8:000:01:043
15891991815,2cyclictest27285-21kworker/u8:121:39:053
15891991815,2cyclictest26671-21kworker/u8:122:48:053
15891991815,2cyclictest23275-21kworker/u8:222:29:053
15891991815,2cyclictest22586-21kworker/u8:021:55:053
15891991815,2cyclictest21573-21kworker/u8:200:28:013
15890991815,2cyclictest9091-21kworker/u8:223:30:052
15890991815,2cyclictest5210-21kworker/u8:100:09:052
15890991815,2cyclictest27285-21kworker/u8:121:33:052
15890991815,2cyclictest23275-21kworker/u8:222:41:042
15890991815,2cyclictest22586-21kworker/u8:021:50:052
15889991815,2cyclictest23275-21kworker/u8:222:44:051
15891991713,2cyclictest9091-21kworker/u8:223:53:043
1589199170,2cyclictest0-21swapper/321:48:063
15890991714,2cyclictest9091-21kworker/u8:223:19:052
15890991714,2cyclictest5210-21kworker/u8:100:12:062
1589099170,2cyclictest30929-21diskmemload00:22:052
15889991714,2cyclictest26671-21kworker/u8:123:00:051
15889991714,2cyclictest26671-21kworker/u8:123:00:051
15889991714,2cyclictest26472-21kworker/u8:023:21:051
15889991714,2cyclictest15926-21kworker/u8:023:43:041
1588999170,2cyclictest0-21swapper/122:09:041
1588899170,16cyclictest0-21swapper/000:10:050
1588899170,11cyclictest0-21swapper/023:46:050
1588899170,11cyclictest0-21swapper/000:21:050
15891991613,2cyclictest9838-21kworker/u8:123:38:053
15891991613,2cyclictest9091-21kworker/u8:223:10:053
15891991613,2cyclictest2173-21kworker/u8:100:39:053
15890991613,2cyclictest9091-21kworker/u8:223:45:052
15890991613,2cyclictest9091-21kworker/u8:223:03:052
15890991613,2cyclictest9091-21kworker/u8:223:03:042
15890991613,2cyclictest16924-21kworker/u8:122:14:062
15890991613,2cyclictest1668-21kworker/u8:022:55:042
15890991613,2cyclictest10858-21kworker/u8:000:17:042
15890991611,3cyclictest31216-21ssh21:10:052
15889991613,2cyclictest27285-21kworker/u8:121:37:041
15889991613,2cyclictest16872-21kworker/u8:022:36:061
1588999160,14cyclictest0-21swapper/100:28:021
1588899160,2cyclictest30929-21diskmemload00:05:040
15891991512,2cyclictest9091-21kworker/u8:223:09:053
15891991512,2cyclictest5210-21kworker/u8:100:24:053
15891991512,2cyclictest30908-21kworker/u8:221:28:053
15891991512,2cyclictest29215-21kworker/u8:221:42:013
15891991512,2cyclictest27285-21kworker/u8:121:34:023
15891991512,2cyclictest26472-21kworker/u8:023:33:053
15891991512,2cyclictest26472-21kworker/u8:023:28:043
15891991512,2cyclictest11180-21kworker/u8:222:01:053
15890991512,2cyclictest9678-21kworker/u8:020:19:052
15890991512,2cyclictest29970-21kworker/u8:219:58:042
15890991512,2cyclictest29595-21kworker/u8:000:31:052
15890991512,2cyclictest27285-21kworker/u8:121:03:042
15890991512,2cyclictest25180-21kworker/u8:019:45:052
15890991512,2cyclictest23251-21kworker/u8:019:10:042
15890991512,2cyclictest19591-21kworker/u8:019:17:052
15890991512,2cyclictest15333-21kworker/u8:020:40:042
15890991512,2cyclictest12296-21kworker/u8:120:29:042
1589099151,12cyclictest0-21swapper/220:20:112
1589099150,2cyclictest0-21swapper/223:42:052
1589099150,14cyclictest0-21swapper/223:12:052
1588999151,3cyclictest18439-21ssh00:15:301
1588999151,3cyclictest16879-21memory19:10:171
1588999151,3cyclictest0-21swapper/122:00:401
15889991512,2cyclictest31483-21kworker/u8:023:58:021
15889991512,2cyclictest22586-21kworker/u8:021:59:051
15889991512,2cyclictest22586-21kworker/u8:021:52:051
15889991512,2cyclictest0-21swapper/122:45:401
15889991511,2cyclictest30929-21diskmemload23:13:421
1588999150,2cyclictest30929-21diskmemload22:31:041
1588999150,14cyclictest0-21swapper/100:07:041
1588999150,14cyclictest0-21swapper/100:01:051
1588899151,12cyclictest31892-21dpkg00:30:110
15890991411,2cyclictest9838-21kworker/u8:123:36:052
15890991411,2cyclictest25180-21kworker/u8:019:40:042
15890991411,2cyclictest25180-21kworker/u8:019:38:012
15890991411,2cyclictest25180-21kworker/u8:019:38:002
15890991411,2cyclictest21699-21kworker/u8:119:30:042
15890991411,2cyclictest19591-21kworker/u8:019:20:042
15890991411,2cyclictest12296-21kworker/u8:120:35:052
15890991411,2cyclictest0-21swapper/222:51:392
15890991411,2cyclictest0-21swapper/200:02:192
1589099141,11cyclictest0-21swapper/221:05:132
1589099140,2cyclictest0-21swapper/223:52:082
1589099140,2cyclictest0-21swapper/221:28:382
1589099140,2cyclictest0-21swapper/220:50:102
1589099140,2cyclictest0-21swapper/220:30:182
1589099140,12cyclictest0-21swapper/223:23:392
1588999141,3cyclictest0-21swapper/121:17:041
15889991411,2cyclictest29970-21kworker/u8:220:07:051
15889991411,2cyclictest25176-21kworker/u8:123:50:041
15889991411,2cyclictest15926-21kworker/u8:023:47:051
15889991411,2cyclictest0-21swapper/122:24:011
15889991411,2cyclictest0-21swapper/100:31:001
15889991410,2cyclictest721-21ssh22:51:041
1588999140,13cyclictest30929-21diskmemload21:42:091
1588999140,13cyclictest0-21swapper/123:30:201
1588999140,13cyclictest0-21swapper/121:23:201
1588999140,13cyclictest0-21swapper/121:13:111
1588999140,13cyclictest0-21swapper/100:35:201
1588999140,12cyclictest0-21swapper/123:05:181
1588999140,12cyclictest0-21swapper/122:26:201
1588999140,12cyclictest0-21swapper/100:14:171
15888991411,2cyclictest26472-21kworker/u8:023:23:050
15888991410,2cyclictest7908-21tr20:10:130
15888991410,2cyclictest1900-21tail21:46:070
1588899140,12cyclictest23562-21ntpdc21:35:190
1588899140,12cyclictest20115-21munin-run23:45:000
15891991310,2cyclictest1668-21kworker/u8:023:04:053
15891991310,2cyclictest1668-21kworker/u8:023:04:043
15891991310,2cyclictest15091-21kworker/u8:123:17:053
15891991310,2cyclictest10036-21kworker/u8:119:14:043
1589199130,3cyclictest6255-21ssh21:17:033
1589199130,12cyclictest0-21swapper/323:46:053
1589199130,12cyclictest0-21swapper/322:10:133
15890991310,2cyclictest3464-21kworker/u8:120:05:052
15890991310,2cyclictest0-21swapper/222:34:142
1589099130,2cyclictest30929-21diskmemload21:40:152
1589099130,12cyclictest0-21swapper/220:10:162
1588999131,3cyclictest0-21swapper/123:16:041
1588999131,10cyclictest32376-21perl19:50:141
1588999131,10cyclictest21081-21munin-node1
1588999131,10cyclictest0-21swapper/120:30:131
15889991310,2cyclictest373-21kworker/u8:019:55:051
15889991310,2cyclictest3464-21kworker/u8:120:03:041
15889991310,2cyclictest29970-21kworker/u8:220:14:041
15889991310,2cyclictest21699-21kworker/u8:119:29:051
15889991310,2cyclictest0-21swapper/123:35:051
15889991310,2cyclictest0-21swapper/122:17:101
15889991310,2cyclictest0-21swapper/122:12:401
15889991310,2cyclictest0-21swapper/120:40:151
15889991310,2cyclictest0-21swapper/119:30:161
1588999130,2cyclictest0-21swapper/119:21:051
1588999130,12cyclictest0-21swapper/120:51:031
1588999130,12cyclictest0-21swapper/120:25:121
1588999130,12cyclictest0-21swapper/119:45:161
1588999130,12cyclictest0-21swapper/119:15:171
1588999130,12cyclictest0-21swapper/100:20:281
1588999130,11cyclictest0-21swapper/122:55:041
1588899138,3cyclictest13698-21sort23:05:010
1588899138,3cyclictest13698-21sort23:05:010
1588899131,2cyclictest3649-21snmpd00:26:590
1588899130,2cyclictest0-21swapper/021:00:120
1588899130,2cyclictest0-21swapper/000:15:300
1588899130,12cyclictest0-21swapper/022:10:130
1588899130,12cyclictest0-21swapper/020:15:110
1588899130,11cyclictest15229-21runrttasks23:05:410
1588899130,11cyclictest0-21swapper/023:35:420
1588899130,11cyclictest0-21swapper/022:54:300
1588899130,11cyclictest0-21swapper/022:25:110
14512130,2sleep00-21swapper/023:58:500
163512120,8sleep00-21swapper/020:31:010
1589199129,2cyclictest5210-21kworker/u8:100:18:023
1589199129,2cyclictest25180-21kworker/u8:019:44:043
1589199129,2cyclictest23275-21kworker/u8:222:17:043
1589199129,2cyclictest21699-21kworker/u8:119:24:013
1589199129,2cyclictest0-21swapper/322:35:173
1589199129,2cyclictest0-21swapper/300:33:313
1589099122,7cyclictest0-21swapper/220:58:022
1589099120,2cyclictest0-21swapper/221:15:042
1589099120,2cyclictest0-21swapper/220:46:022
1588999129,2cyclictest22690-21kworker/u8:220:55:051
1588999129,2cyclictest0-21swapper/120:20:151
1588999121,9cyclictest27123-21munin-node1
1588999121,9cyclictest0-21swapper/119:35:141
1588999121,9cyclictest0-21swapper/119:35:141
1588999120,11cyclictest0-21swapper/120:35:191
1588899129,2cyclictest7219-21ssh22:57:480
1588899129,2cyclictest20304-21ssh23:10:590
1588899129,2cyclictest15394-21ssh21:26:590
1588899129,2cyclictest0-21swapper/023:18:280
1588899129,2cyclictest0-21swapper/022:36:220
1588899129,2cyclictest0-21swapper/022:17:200
1588899129,2cyclictest0-21swapper/000:38:290
1588899120,2cyclictest4263-21ssh00:01:020
1588899120,2cyclictest0-21swapper/023:50:390
1588899120,2cyclictest0-21swapper/022:20:280
1588899120,2cyclictest0-21swapper/022:01:410
1588899120,2cyclictest0-21swapper/020:45:160
1588899120,2cyclictest0-21swapper/019:51:010
1588899120,2cyclictest0-21swapper/019:10:190
1588899120,11cyclictest30929-21diskmemload21:59:240
1588899120,11cyclictest30929-21diskmemload21:41:490
1588899120,11cyclictest0-21swapper/022:40:130
1588899120,11cyclictest0-21swapper/022:05:390
1588899120,11cyclictest0-21swapper/021:53:400
1588899120,11cyclictest0-21swapper/020:26:020
127642120,1sleep00-21swapper/021:24:580
95362110,2sleep30-21swapper/321:54:553
216272110,2sleep00-21swapper/019:21:140
1589199118,2cyclictest3464-21kworker/u8:120:04:003
1589199118,2cyclictest21699-21kworker/u8:119:25:043
1589199118,2cyclictest15333-21kworker/u8:020:45:053
1589199118,2cyclictest0-21swapper/322:23:273
1589199112,3cyclictest27450jbd2/sda1-821:04:083
1589199110,10cyclictest0-21swapper/323:58:383
1589099110,2cyclictest0-21swapper/220:04:052
1588899118,2cyclictest30929-21diskmemload22:46:390
1588899118,2cyclictest0-21swapper/020:01:040
1588899112,6cyclictest0-21swapper/020:50:020
1588899110,10cyclictest26472-21kworker/u8:023:25:050
1588899110,10cyclictest0-21swapper/023:30:490
1588899110,10cyclictest0-21swapper/019:15:130
93502100,2sleep30-21swapper/320:14:333
1589199107,2cyclictest29970-21kworker/u8:219:56:043
1589199107,2cyclictest25180-21kworker/u8:019:31:043
1589199107,2cyclictest15333-21kworker/u8:020:59:053
1589199107,2cyclictest12296-21kworker/u8:120:23:053
1589199105,3cyclictest274-21jbd2/sda1-820:28:243
1589199100,9cyclictest10036-21kworker/u8:119:16:033
1589099104,4cyclictest23000-21sed19:25:172
1588999100,2cyclictest0-21swapper/121:06:021
1588999100,2cyclictest0-21swapper/119:40:131
1588899107,2cyclictest22203-21hostname19:25:120
1588899107,2cyclictest0-21swapper/020:35:160
1588899107,2cyclictest0-21swapper/019:40:110
1588899103,6cyclictest0-21swapper/020:40:400
1588899103,6cyclictest0-21swapper/019:31:000
1588899102,5cyclictest0-21swapper/019:36:590
1588899102,5cyclictest0-21swapper/019:36:590
1588899100,7cyclictest4562-21gdm-simple-gree19:48:590
24114290,2sleep30-21swapper/320:50:303
158919996,2cyclictest9678-21kworker/u8:020:16:043
158919996,2cyclictest0-21swapper/320:30:133
158919994,3cyclictest3153-21nscd21:12:033
158919993,5cyclictest274-21jbd2/sda1-819:53:403
158919990,2cyclictest0-21swapper/320:43:433
158899990,8cyclictest0-21swapper/120:15:401
158889994,3cyclictest5871-21cpuspeed_turbos20:05:100
158889994,3cyclictest3688-21Xorg20:57:590
158889992,6cyclictest0-21swapper/021:05:550
158889992,6cyclictest0-21swapper/019:56:590
158889990,7cyclictest0-21swapper/020:21:200
158919985,2cyclictest15333-21kworker/u8:021:07:053
158919984,3cyclictest26758-21hwlatdetect19:35:153
158919984,3cyclictest26758-21hwlatdetect19:35:143
158919981,6cyclictest32371-21kworker/3:120:40:013
158919980,2cyclictest0-21swapper/320:07:053
158919980,2cyclictest0-21swapper/319:45:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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