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2026-05-03 - 16:52

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 May 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146682112101,6sleep10-21swapper/107:06:451
14800211099,6sleep20-21swapper/207:08:262
14720210683,18sleep00-21swapper/007:07:230
14743210484,15sleep30-21swapper/307:07:433
130302750,0sleep00-21swapper/012:17:180
206052690,0sleep20-21swapper/209:31:412
171702680,0sleep10-21swapper/110:37:181
14953993417,16cyclictest0-21swapper/309:00:123
243502300,0sleep30-21swapper/312:30:113
1495299300,28cyclictest0-21swapper/208:30:102
1495299265,19cyclictest0-21swapper/208:05:112
16522240,1sleep0101ktimersoftd/007:55:140
1495099230,16cyclictest0-21swapper/009:45:100
1495199221,19cyclictest0-21swapper/111:35:121
1495399210,19cyclictest0-21swapper/309:35:133
1495299211,18cyclictest0-21swapper/212:10:112
161672200,1sleep30-21swapper/310:36:033
1495299190,15cyclictest0-21swapper/210:52:042
14953991714,2cyclictest28676-21ssh11:25:103
14953991711,3cyclictest18909-21ssh11:49:233
1495199170,15cyclictest0-21swapper/109:29:471
14952991613,2cyclictest4012-21kworker/u8:009:28:062
1495199161,13cyclictest10807-21memory11:05:161
1495099160,3cyclictest6882sleep012:05:000
79672151,2sleep00-21swapper/009:53:050
1495399150,13cyclictest0-21swapper/310:25:133
1495399150,13cyclictest0-21swapper/310:25:123
14952991512,2cyclictest377-21kworker/u8:010:26:062
14952991512,2cyclictest377-21kworker/u8:010:26:052
14952991512,2cyclictest17435-21kworker/u8:011:20:022
14952991512,2cyclictest14425-21kworker/u8:112:31:042
1495299151,12cyclictest0-21swapper/210:35:182
1495299150,9cyclictest0-21swapper/209:55:042
1495299150,2cyclictest4863-21ssh12:09:022
1495299150,13cyclictest31265-21diskmemload11:09:052
1495199152,7cyclictest0-21swapper/108:05:001
1495199150,13cyclictest0-21swapper/111:03:471
1495199150,12cyclictest0-21swapper/110:23:071
1495099152,7cyclictest0-21swapper/011:24:590
1495099151,12cyclictest21427-21apt-get08:45:110
14950991510,3cyclictest29066-21tr12:35:130
1495399141,2cyclictest0-21swapper/308:54:593
14953991410,2cyclictest25368-21users10:11:033
1495399140,13cyclictest0-21swapper/311:40:103
1495399140,13cyclictest0-21swapper/311:22:313
1495399140,12cyclictest2389-21ssh09:46:513
1495399140,12cyclictest0-21swapper/311:10:083
1495399140,12cyclictest0-21swapper/309:40:113
1495299149,3cyclictest0-21swapper/210:49:182
14952991411,2cyclictest4892-21kworker/u8:210:02:052
14952991411,2cyclictest29574-21kworker/u8:109:20:062
14952991411,2cyclictest14425-21kworker/u8:112:20:042
14952991411,2cyclictest0-21swapper/211:14:562
14952991410,2cyclictest20875-21ssh10:06:142
14952991410,2cyclictest0-21swapper/211:57:352
1495299140,2cyclictest22228-21ssh12:27:062
1495299140,2cyclictest0-21swapper/210:13:562
1495299140,12cyclictest30887-21ssh12:01:132
1495299140,12cyclictest12482-21ssh12:16:252
1495199149,3cyclictest0-21swapper/110:14:081
1495199146,5cyclictest3688-21Xorg08:24:591
1495199141,3cyclictest0-21swapper/109:45:491
1495199141,11cyclictest0-21swapper/107:55:121
14951991410,2cyclictest0-21swapper/109:55:151
1495199140,2cyclictest0-21swapper/110:00:061
1495199140,13cyclictest0-21swapper/112:36:191
1495199140,12cyclictest25668-21cut12:30:491
1495199140,12cyclictest0-21swapper/112:07:001
1495199140,12cyclictest0-21swapper/111:46:271
1495199140,12cyclictest0-21swapper/111:19:081
14950991411,2cyclictest0-21swapper/010:10:480
1495099140,2cyclictest0-21swapper/011:26:000
1495099140,2cyclictest0-21swapper/010:49:290
1495099140,13cyclictest0-21swapper/007:50:180
1495099140,12cyclictest16456-21ssh10:36:090
1495099140,12cyclictest10699-21sh11:05:160
64982130,2sleep30-21swapper/309:16:563
1495399132,8cyclictest4556-21metacity12:18:583
1495399130,2cyclictest24568-21load10:45:173
1495399130,2cyclictest15918-21rm10:01:033
1495399130,2cyclictest0-21swapper/311:53:503
1495399130,2cyclictest0-21swapper/309:11:023
1495399130,12cyclictest0-21swapper/308:15:113
1495399130,11cyclictest0-21swapper/311:16:003
1495299139,2cyclictest0-21swapper/211:17:042
14952991310,2cyclictest353-21kworker/u8:011:35:052
14952991310,2cyclictest31407-21ssh11:27:222
14952991310,2cyclictest0-21swapper/212:36:562
14952991310,2cyclictest0-21swapper/210:31:012
14952991310,2cyclictest0-21swapper/209:52:162
14952991310,2cyclictest0-21swapper/207:46:052
1495299130,2cyclictest0-21swapper/211:50:052
1495299130,2cyclictest0-21swapper/210:22:212
1495299130,2cyclictest0-21swapper/210:15:562
1495299130,2cyclictest0-21swapper/209:40:012
1495299130,2cyclictest0-21swapper/207:10:162
1495299130,12cyclictest0-21swapper/211:41:312
1495299130,12cyclictest0-21swapper/211:30:132
1495199138,3cyclictest0-21swapper/109:50:121
1495199138,3cyclictest0-21swapper/108:30:151
1495199132,7cyclictest0-21swapper/108:09:591
1495199131,6cyclictest0-21swapper/107:20:001
1495199131,3cyclictest0-21swapper/107:25:141
14951991310,2cyclictest31265-21diskmemload10:56:371
14951991310,2cyclictest0-21swapper/112:29:471
14951991310,2cyclictest0-21swapper/112:01:381
14951991310,2cyclictest0-21swapper/110:26:361
14951991310,2cyclictest0-21swapper/110:26:351
1495199130,2cyclictest0-21swapper/111:21:161
1495199130,2cyclictest0-21swapper/111:12:071
1495199130,2cyclictest0-21swapper/108:50:401
1495199130,12cyclictest0-21swapper/109:24:571
1495199130,11cyclictest0-21swapper/109:30:491
1495199130,11cyclictest0-21swapper/109:05:191
1495099137,4cyclictest18835-21ssh10:05:130
1495099132,7cyclictest0-21swapper/009:31:010
1495099132,6cyclictest4799-21copy10:25:010
1495099132,6cyclictest4799-21copy10:25:010
1495099132,6cyclictest0-21swapper/011:20:010
1495099132,6cyclictest0-21swapper/010:05:010
1495099130,12cyclictest0-21swapper/009:15:090
1495099130,12cyclictest0-21swapper/008:50:190
109842130,2sleep10-21swapper/112:15:161
29072120,1sleep00-21swapper/011:31:120
238882120,1sleep00-21swapper/012:29:540
1495399129,2cyclictest0-21swapper/312:13:513
1495399129,2cyclictest0-21swapper/311:56:313
1495399129,2cyclictest0-21swapper/310:55:193
1495399129,2cyclictest0-21swapper/310:43:183
1495399129,2cyclictest0-21swapper/309:51:003
1495399129,2cyclictest0-21swapper/309:26:323
1495399129,2cyclictest0-21swapper/308:55:173
1495399129,2cyclictest0-21swapper/308:45:183
1495399129,2cyclictest0-21swapper/307:55:163
1495399129,2cyclictest0-21swapper/307:20:173
1495399122,6cyclictest0-21swapper/307:41:013
1495399120,2cyclictest0-21swapper/311:33:013
1495399120,2cyclictest0-21swapper/311:01:403
1495399120,2cyclictest0-21swapper/310:52:423
1495399120,2cyclictest0-21swapper/310:20:163
1495399120,2cyclictest0-21swapper/308:40:133
1495399120,2cyclictest0-21swapper/308:35:003
1495399120,11cyclictest0-21swapper/312:21:213
1495399120,11cyclictest0-21swapper/311:06:173
1495399120,11cyclictest0-21swapper/310:05:413
1495399120,11cyclictest0-21swapper/309:31:543
1495399120,11cyclictest0-21swapper/308:20:163
1495399120,10cyclictest0-21swapper/310:16:523
1495299129,2cyclictest29574-21kworker/u8:109:19:042
1495299129,2cyclictest20926-21kworker/u8:207:28:012
1495299129,2cyclictest15543-21kworker/u8:209:08:042
1495299129,2cyclictest15543-21kworker/u8:208:57:052
1495299129,2cyclictest15233-21kworker/u8:108:20:052
1495299129,2cyclictest15233-21kworker/u8:107:58:052
1495299129,2cyclictest15233-21kworker/u8:107:36:042
1495299129,2cyclictest0-21swapper/211:00:412
1495299129,2cyclictest0-21swapper/209:45:202
1495299129,2cyclictest0-21swapper/209:36:122
1495299120,11cyclictest0-21swapper/210:55:422
1495299120,11cyclictest0-21swapper/210:40:252
1495299120,11cyclictest0-21swapper/209:11:532
1495299120,11cyclictest0-21swapper/207:30:142
1495199129,2cyclictest0-21swapper/111:29:211
1495199129,2cyclictest0-21swapper/110:51:361
1495199129,2cyclictest0-21swapper/110:16:261
1495199129,2cyclictest0-21swapper/110:06:071
1495199129,2cyclictest0-21swapper/109:10:291
1495199128,2cyclictest0-21swapper/111:30:111
1495199127,3cyclictest29855-21df07:45:141
1495199127,3cyclictest0-21swapper/107:40:591
1495199122,7cyclictest0-21swapper/112:12:581
1495199122,7cyclictest0-21swapper/110:41:011
1495199122,7cyclictest0-21swapper/108:39:021
1495199121,9cyclictest9794-21munin-node1
1495199121,9cyclictest0-21swapper/108:26:031
1495199121,3cyclictest4726-21iostat_ios09:15:161
1495199121,3cyclictest0-21swapper/111:55:141
1495199120,2cyclictest0-21swapper/110:48:271
1495199120,11cyclictest0-21swapper/111:40:301
1495199120,11cyclictest0-21swapper/109:40:461
1495199120,11cyclictest0-21swapper/109:35:391
1495199120,11cyclictest0-21swapper/108:40:191
1495199120,10cyclictest0-21swapper/112:20:131
1495099129,2cyclictest0-21swapper/010:16:300
1495099127,3cyclictest26440-21sh07:35:290
1495099122,6cyclictest0-21swapper/009:15:000
1495099122,5cyclictest0-21swapper/009:05:000
1495099120,2cyclictest9661-21ssh12:14:190
1495099120,11cyclictest1958-21timerandwakeup10:21:020
1495099120,11cyclictest0-21swapper/012:20:420
1495099120,11cyclictest0-21swapper/011:55:170
1495099120,11cyclictest0-21swapper/011:50:500
1495099120,11cyclictest0-21swapper/010:50:180
1495099120,11cyclictest0-21swapper/009:36:490
1495099120,11cyclictest0-21swapper/009:01:010
1495099120,10cyclictest4628-21chrt10:59:250
149062120,3sleep231265-21diskmemload11:45:102
146392120,2sleep00-21swapper/009:25:230
1495399118,2cyclictest31265-21diskmemload11:37:133
1495399118,2cyclictest0-21swapper/312:29:243
1495399118,2cyclictest0-21swapper/312:00:153
1495399112,7cyclictest0-21swapper/307:36:583
1495399112,6cyclictest0-21swapper/308:01:583
1495399110,2cyclictest0-21swapper/312:36:303
1495399110,2cyclictest0-21swapper/310:30:463
1495399110,10cyclictest0-21swapper/312:05:143
1495399110,10cyclictest0-21swapper/307:10:153
1495299118,2cyclictest9488-21kworker/u8:008:25:042
1495299118,2cyclictest30380-21kworker/u8:007:17:042
1495299118,2cyclictest15543-21kworker/u8:209:00:052
1495299112,6cyclictest0-21swapper/208:11:002
1495299111,6cyclictest0-21swapper/208:53:542
1495199118,2cyclictest0-21swapper/111:51:311
1495199118,2cyclictest0-21swapper/107:35:011
1495199116,3cyclictest0-21swapper/108:55:131
1495199114,3cyclictest0-21swapper/109:00:131
1495199111,3cyclictest0-21swapper/108:45:191
1495199111,2cyclictest9328-21apt-get08:15:111
1495199110,9cyclictest0-21swapper/108:10:161
1495199110,9cyclictest0-21swapper/107:20:141
1495099118,2cyclictest0-21swapper/011:03:090
1495099118,2cyclictest0-21swapper/009:59:180
1495099118,2cyclictest0-21swapper/008:30:280
1495099116,3cyclictest9035-21tr09:20:120
1495099116,3cyclictest29238-21ssh09:41:000
1495099112,6cyclictest0-21swapper/008:56:000
1495099112,5cyclictest0-21swapper/011:44:310
1495099111,3cyclictest0-21swapper/012:34:430
1495099110,9cyclictest0-21swapper/010:30:100
1495099110,10cyclictest0-21swapper/011:35:060
1495099110,10cyclictest0-21swapper/011:10:100
1495099110,10cyclictest0-21swapper/010:40:590
1495399102,5cyclictest4556-21metacity09:07:583
1495399101,6cyclictest0-21swapper/307:51:003
1495399100,9cyclictest0-21swapper/309:55:293
1495399100,9cyclictest0-21swapper/309:20:053
1495399100,7cyclictest4562-21gdm-simple-gree08:27:583
1495399100,7cyclictest0-21swapper/308:07:593
1495299105,3cyclictest29323-21cron07:45:002
1495299102,5cyclictest0-21swapper/208:41:582
1495299102,5cyclictest0-21swapper/207:54:592
1495299100,9cyclictest0-21swapper/207:23:592
1495299100,6cyclictest0-21swapper/208:18:462
1495199107,2cyclictest0-21swapper/107:50:121
1495199100,8cyclictest0-21swapper/107:11:031
1495199100,2cyclictest0-21swapper/107:30:071
1495099107,2cyclictest0-21swapper/007:10:400
1495099100,9cyclictest31265-21diskmemload12:06:080
1495099100,9cyclictest0-21swapper/008:35:140
1495099100,9cyclictest0-21swapper/007:40:150
1495099100,6cyclictest0-21swapper/011:46:010
1495099100,6cyclictest0-21swapper/008:43:520
149539994,3cyclictest18959-21cron07:20:013
149539991,4cyclictest0-21swapper/308:35:003
149529996,2cyclictest0-21swapper/208:00:002
149509996,2cyclictest0-21swapper/008:20:160
149509994,3cyclictest5756-21fschecks_count08:05:140
149509994,3cyclictest29798-21cpuspeed_turbos07:45:140
149509994,3cyclictest24695-21grep07:31:040
149509994,3cyclictest21309-21tail07:25:120
149509994,3cyclictest17917-21grep07:15:170
149509993,4cyclictest9461-21cut08:15:120
149509993,4cyclictest14869-21taskset08:26:260
149509990,8cyclictest0-21swapper/007:20:120
149539984,3cyclictest8163-21needreboot08:10:163
149539984,3cyclictest23033-21apt07:30:003
149539983,3cyclictest3153-21nscd07:45:163
149529983,3cyclictest21570-21basename08:45:142
149529983,3cyclictest18535-21cut08:36:012
149509984,2cyclictest7477-21sh08:10:120
149509983,3cyclictest32032chrt08:00:120
149539972,3cyclictest23995-21wc07:30:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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