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2026-06-20 - 01:29

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Fri Jun 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3678211396,12sleep20-21swapper/207:06:252
3656211188,18sleep00-21swapper/007:06:070
3207210897,6sleep30-21swapper/307:05:463
2457121080,1sleep024569-21ssh12:10:070
3210210179,6sleep10-21swapper/107:05:481
146442780,0sleep1221ktimersoftd/109:38:171
233252270,2sleep0399999cyclictest10:22:450
400099243,16cyclictest0-21swapper/110:40:041
256512240,0sleep20-21swapper/211:00:152
196892200,0sleep10-21swapper/110:19:251
400199192,2cyclictest0-21swapper/211:17:042
4001991916,2cyclictest31727-21kworker/u8:311:44:042
400199190,17cyclictest0-21swapper/212:08:012
4001991815,2cyclictest5835-21kworker/u8:110:50:042
4001991815,2cyclictest521-21kworker/u8:109:25:042
4001991815,2cyclictest4758-21kworker/u8:211:56:042
4001991815,2cyclictest4758-21kworker/u8:211:38:012
4001991815,2cyclictest4649-21kworker/u8:208:58:042
4001991815,2cyclictest4516-21kworker/u8:210:04:042
400199180,2cyclictest0-21swapper/209:39:042
399999180,2cyclictest0-21swapper/010:44:040
399999180,2cyclictest0-21swapper/010:26:040
400199171,5cyclictest0-21swapper/209:18:042
4001991714,2cyclictest4050-21kworker/u8:011:47:042
4001991714,2cyclictest31516-21kworker/u8:212:28:012
4001991714,2cyclictest27983-21kworker/u8:209:22:042
4001991714,2cyclictest1494-21kworker/u8:008:46:042
4001991714,2cyclictest14744-21kworker/u8:111:25:042
4001991714,2cyclictest10427-21kworker/u8:007:40:042
400199170,2cyclictest0-21swapper/209:10:042
4000991710,5cyclictest0-21swapper/110:30:001
400099170,2cyclictest0-21swapper/110:26:041
400199161,3cyclictest0-21swapper/210:59:292
4001991613,2cyclictest4516-21kworker/u8:210:15:042
4001991613,2cyclictest3231-21kworker/u8:107:17:042
4001991613,2cyclictest18519-21kworker/u8:009:08:042
4001991613,2cyclictest14473-21kworker/u8:208:00:042
4001991613,2cyclictest11667-21kworker/u8:210:48:042
400199160,14cyclictest0-21swapper/207:30:512
400199160,14cyclictest0-21swapper/207:30:512
3999991613,2cyclictest4758-21kworker/u8:211:17:040
4001991512,2cyclictest27799-21kworker/u8:008:09:042
4001991512,2cyclictest19454-21kworker/u8:011:33:042
4001991512,2cyclictest19454-21kworker/u8:011:33:042
4001991512,2cyclictest19401-21kworker/u8:010:20:042
4001991512,2cyclictest11754-21kworker/u8:112:34:042
4001991512,2cyclictest10427-21kworker/u8:007:35:042
4001991512,2cyclictest10427-21kworker/u8:007:35:042
400199151,12cyclictest3728-21runrttasks12:12:492
400199150,2cyclictest0-21swapper/211:23:042
400199150,14cyclictest0-21swapper/208:40:012
400099152,11cyclictest207150irq/24-eth112:21:571
4000991512,2cyclictest27197-21kworker/u8:009:57:041
4000991511,2cyclictest20189-21diskmemload10:03:041
400099150,2cyclictest0-21swapper/111:11:021
400099150,13cyclictest0-21swapper/112:17:061
400099150,13cyclictest0-21swapper/109:30:011
3999991512,2cyclictest10970-21kworker/u8:009:39:040
3999991511,2cyclictest20721-21aten2.4_r3power09:45:120
399999150,2cyclictest0-21swapper/010:12:050
400299149,3cyclictest3151-21nscd10:05:113
400299149,3cyclictest0-21swapper/311:31:023
400299149,3cyclictest0-21swapper/311:31:023
400299140,2cyclictest0-21swapper/310:20:123
400299140,13cyclictest0-21swapper/310:35:123
4001991411,2cyclictest14473-21kworker/u8:207:55:042
4001991411,2cyclictest0-21swapper/207:10:132
400199140,2cyclictest0-21swapper/210:12:012
400199140,13cyclictest0-21swapper/210:05:112
400199140,13cyclictest0-21swapper/208:14:042
400199140,12cyclictest10373-21ssh09:33:542
400099149,3cyclictest32143-21ssh11:07:111
400099149,3cyclictest0-21swapper/109:10:521
4000991411,2cyclictest31516-21kworker/u8:212:38:041
400099140,2cyclictest0-21swapper/112:31:321
400099140,2cyclictest0-21swapper/111:41:011
400099140,2cyclictest0-21swapper/110:59:321
400099140,2cyclictest0-21swapper/110:12:051
400099140,2cyclictest0-21swapper/107:53:291
400099140,13cyclictest0-21swapper/107:30:131
400099140,13cyclictest0-21swapper/107:30:131
400099140,12cyclictest0-21swapper/112:25:271
3999991411,2cyclictest31727-21kworker/u8:312:08:010
3999991411,2cyclictest27983-21kworker/u8:209:18:040
3999991411,2cyclictest18519-21kworker/u8:009:10:040
399999140,13cyclictest0-21swapper/012:01:040
399999140,12cyclictest11627-21fschecks_time10:45:130
131332141,2sleep00-21swapper/012:32:010
400299132,7cyclictest20189-21diskmemload10:20:003
400299132,6cyclictest0-21swapper/310:50:003
400299132,6cyclictest0-21swapper/310:45:003
400299132,6cyclictest0-21swapper/308:25:013
4002991310,2cyclictest0-21swapper/310:13:223
400299130,3cyclictest9761-21switchtime08:41:043
400299130,2cyclictest0-21swapper/311:16:023
400199138,3cyclictest6538-21ssh10:40:112
400199138,3cyclictest6294-21ssh11:50:122
400199138,3cyclictest0-21swapper/208:35:132
4001991310,2cyclictest14473-21kworker/u8:207:53:042
4001991310,2cyclictest0-21swapper/212:15:492
4001991310,2cyclictest0-21swapper/212:01:052
4001991310,2cyclictest0-21swapper/210:36:022
4001991310,2cyclictest0-21swapper/210:25:112
4001991310,2cyclictest0-21swapper/209:55:182
4001991310,2cyclictest0-21swapper/209:51:042
4001991310,2cyclictest0-21swapper/209:45:372
4001991310,2cyclictest0-21swapper/209:40:162
4001991310,2cyclictest0-21swapper/207:20:202
400199130,2cyclictest0-21swapper/212:36:152
400199130,2cyclictest0-21swapper/211:07:042
400199130,2cyclictest0-21swapper/210:32:042
400199130,2cyclictest0-21swapper/208:19:042
400199130,12cyclictest0-21swapper/212:20:552
400199130,12cyclictest0-21swapper/211:10:112
400099133,8cyclictest0-21swapper/110:50:151
400099131,6cyclictest0-21swapper/107:40:001
400099131,6cyclictest0-21swapper/107:40:001
4000991310,2cyclictest4758-21kworker/u8:211:26:041
4000991310,2cyclictest4516-21kworker/u8:210:36:041
4000991310,2cyclictest24185-21kworker/u8:108:03:021
4000991310,2cyclictest0-21swapper/112:01:221
4000991310,2cyclictest0-21swapper/111:50:511
4000991310,2cyclictest0-21swapper/111:35:011
400099130,8cyclictest0-21swapper/109:42:041
400099130,2cyclictest0-21swapper/111:47:321
400099130,2cyclictest0-21swapper/109:21:031
400099130,12cyclictest0-21swapper/110:20:221
400099130,12cyclictest0-21swapper/110:07:521
400099130,12cyclictest0-21swapper/109:18:311
400099130,12cyclictest0-21swapper/108:50:121
400099130,11cyclictest20189-21diskmemload12:10:471
400099130,11cyclictest20189-21diskmemload10:45:341
3999991310,2cyclictest20189-21diskmemload09:20:200
3999991310,2cyclictest15198-21sort07:35:180
3999991310,2cyclictest15198-21sort07:35:180
3999991310,2cyclictest0-21swapper/011:45:110
3999991310,2cyclictest0-21swapper/008:41:020
399999130,2cyclictest1699-21apt-get10:35:100
399999130,12cyclictest0-21swapper/011:07:530
399999130,12cyclictest0-21swapper/009:25:110
399999130,12cyclictest0-21swapper/008:45:120
399999130,12cyclictest0-21swapper/007:30:130
399999130,12cyclictest0-21swapper/007:30:130
399999130,11cyclictest0-21swapper/011:51:420
399999130,11cyclictest0-21swapper/011:41:560
399999130,11cyclictest0-21swapper/011:20:170
400299129,2cyclictest0-21swapper/312:04:213
400299129,2cyclictest0-21swapper/311:35:113
400299129,2cyclictest0-21swapper/311:26:523
400299129,2cyclictest0-21swapper/310:00:133
400299129,2cyclictest0-21swapper/309:54:123
400299127,3cyclictest29793-21cut11:40:133
400299127,3cyclictest20552-21cut12:05:163
400299123,6cyclictest0-21swapper/311:46:003
400299122,7cyclictest11343-21ssh09:35:103
400299122,7cyclictest0-21swapper/310:58:593
400299122,7cyclictest0-21swapper/307:22:593
400299122,6cyclictest0-21swapper/312:21:013
400299120,11cyclictest0-21swapper/312:11:033
400299120,11cyclictest0-21swapper/309:40:183
400299120,10cyclictest20189-21diskmemload09:26:333
400299120,10cyclictest0-21swapper/311:10:153
400199129,2cyclictest0-21swapper/207:25:582
400199120,2cyclictest0-21swapper/207:45:042
400199120,11cyclictest0-21swapper/208:50:132
400199120,11cyclictest0-21swapper/208:30:012
400099129,2cyclictest0-21swapper/111:32:151
400099129,2cyclictest0-21swapper/111:32:141
400099129,2cyclictest0-21swapper/111:20:301
400099129,2cyclictest0-21swapper/108:20:191
400099128,2cyclictest0-21swapper/108:35:151
400099121,6cyclictest0-21swapper/108:00:001
400099121,3cyclictest4837-21df08:30:161
400099120,2cyclictest0-21swapper/112:06:221
400099120,2cyclictest0-21swapper/111:15:191
400099120,2cyclictest0-21swapper/111:03:401
400099120,2cyclictest0-21swapper/109:25:291
400099120,2cyclictest0-21swapper/108:15:161
400099120,2cyclictest0-21swapper/107:25:271
400099120,11cyclictest0-21swapper/111:58:571
400099120,11cyclictest0-21swapper/109:50:361
400099120,11cyclictest0-21swapper/109:46:061
400099120,11cyclictest0-21swapper/108:05:151
400099120,11cyclictest0-21swapper/107:45:161
400099120,10cyclictest0-21swapper/108:10:191
399999129,2cyclictest4758-21kworker/u8:211:14:050
399999129,2cyclictest31516-21kworker/u8:212:35:040
399999129,2cyclictest15775-21copy09:40:040
399999129,2cyclictest0-21swapper/012:21:320
399999129,2cyclictest0-21swapper/011:29:230
399999129,2cyclictest0-21swapper/008:56:010
399999120,2cyclictest14507-21ssh11:58:530
399999120,2cyclictest0-21swapper/011:30:090
399999120,2cyclictest0-21swapper/011:30:090
399999120,2cyclictest0-21swapper/010:55:120
399999120,2cyclictest0-21swapper/008:10:140
399999120,11cyclictest0-21swapper/012:28:330
399999120,11cyclictest0-21swapper/011:37:320
399999120,11cyclictest0-21swapper/010:17:030
399999120,11cyclictest0-21swapper/010:05:160
399999120,11cyclictest0-21swapper/010:02:130
399999120,11cyclictest0-21swapper/009:55:050
399999120,11cyclictest0-21swapper/009:31:020
399999120,11cyclictest0-21swapper/008:51:010
399999120,11cyclictest0-21swapper/008:25:120
399999120,11cyclictest0-21swapper/007:25:100
290442120,2sleep00-21swapper/009:54:200
400299118,2cyclictest23065-21ssh09:12:023
400299118,2cyclictest0-21swapper/312:19:333
400299118,2cyclictest0-21swapper/308:06:033
400299118,2cyclictest0-21swapper/308:00:133
400299116,3cyclictest6750-21grep08:35:143
400299113,6cyclictest0-21swapper/309:46:023
400299111,7cyclictest0-21swapper/307:52:593
400299111,6cyclictest0-21swapper/310:25:103
400299111,6cyclictest0-21swapper/307:11:023
400299111,5cyclictest0-21swapper/312:40:003
400299110,7cyclictest0-21swapper/311:56:013
400299110,3cyclictest0-21swapper/310:30:243
400299110,2cyclictest0-21swapper/310:50:013
400299110,10cyclictest0-21swapper/312:31:533
400299110,10cyclictest0-21swapper/309:31:423
400299110,10cyclictest0-21swapper/309:24:323
400099118,2cyclictest0-21swapper/109:01:051
400099117,2cyclictest0-21swapper/107:40:121
400099117,2cyclictest0-21swapper/107:16:011
400099110,9cyclictest2343-21munin-node1
400099110,9cyclictest0-21swapper/108:40:121
400099110,2cyclictest0-21swapper/107:10:151
399999118,2cyclictest0-21swapper/007:56:040
399999118,2cyclictest0-21swapper/007:45:070
399999110,2cyclictest0-21swapper/011:01:410
399999110,10cyclictest0-21swapper/010:30:280
399999110,10cyclictest0-21swapper/007:15:120
177452110,1sleep00-21swapper/010:51:160
400299107,2cyclictest0-21swapper/309:58:023
400299107,2cyclictest0-21swapper/309:15:493
400299105,3cyclictest6509-21ssh11:50:133
400299105,3cyclictest4794-21cut08:30:163
400299105,3cyclictest25510-21cut11:00:133
400299105,3cyclictest14730-21aten2.4-expect08:55:123
400299102,5cyclictest0-21swapper/308:46:593
400299102,5cyclictest0-21swapper/307:31:593
400299102,5cyclictest0-21swapper/307:31:593
400299100,7cyclictest0-21swapper/309:04:593
400299100,7cyclictest0-21swapper/307:38:023
400299100,7cyclictest0-21swapper/307:38:023
400199100,9cyclictest0-21swapper/208:28:322
400199100,2cyclictest0-21swapper/208:21:042
400099106,2cyclictest0-21swapper/108:45:161
400099105,3cyclictest14812-21tr08:55:131
400099102,5cyclictest0-21swapper/109:06:591
399999107,2cyclictest3231-21kworker/u8:107:10:040
399999107,2cyclictest30304-21kworker/u8:208:19:040
399999107,2cyclictest0-21swapper/012:16:040
399999107,2cyclictest0-21swapper/009:05:130
399999107,2cyclictest0-21swapper/008:35:190
399999107,2cyclictest0-21swapper/007:53:320
310032100,0sleep30-21swapper/308:15:123
40029994,3cyclictest6627-21fschecks_time12:25:123
40029994,3cyclictest6609-21grep07:15:133
40029994,3cyclictest3688-21Xorg07:40:593
40029994,3cyclictest29795-21cpuspeed_turbos11:05:123
40029994,3cyclictest2623-21grep08:25:133
40029994,3cyclictest18604-21aten2.4_r3power09:05:153
40029994,3cyclictest12500-21sh11:20:553
40029994,3cyclictest11272-21open_files07:25:153
40029991,5cyclictest18288-21apt-get07:45:073
40019994,3cyclictest18096-21chrt09:02:432
40009990,2cyclictest0-21swapper/107:20:191
40029983,3cyclictest3728-21runrttasks07:55:053
40029983,3cyclictest29461-21latency08:10:173
40029983,3cyclictest125562sleep308:50:023
39999985,2cyclictest1494-21kworker/u8:008:30:040
39999985,2cyclictest0-21swapper/008:00:010
39999984,3cyclictest3182-21lldpd08:20:080
39999984,2cyclictest17359-21ntpq09:00:200
39999981,3cyclictest17070-21gltestperf07:40:140
39999973,3cyclictest3998-21cyclictest07:20:130
39999973,3cyclictest27320-21smartctl08:05:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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