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2026-06-24 - 16:50

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 Jun 24, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31232212298,19sleep00-21swapper/007:06:190
29524211795,15sleep20-21swapper/207:05:012
31225211495,14sleep30-21swapper/307:06:143
31414210488,11sleep10-21swapper/107:08:401
150942970,1sleep215098-21timerandwakeup09:06:032
229182780,0sleep20-21swapper/209:16:362
3154799320,30cyclictest0-21swapper/207:20:112
3154799220,20cyclictest0-21swapper/209:20:122
31545992217,3cyclictest2508-21ssh10:40:100
3154599221,19cyclictest25380-21ssh09:20:130
292832220,0sleep30-21swapper/311:08:333
3154699212,2cyclictest15624-21diskmemload09:43:041
31546992011,7cyclictest0-21swapper/111:35:121
3154699200,18cyclictest0-21swapper/109:50:111
31547991916,2cyclictest11489-21kworker/u8:109:47:042
3154699190,14cyclictest0-21swapper/111:47:041
3154699190,14cyclictest0-21swapper/110:22:041
3154799180,16cyclictest0-21swapper/209:10:102
31546991815,2cyclictest7224-21kworker/u8:210:17:041
31546991815,2cyclictest31222-21kworker/u8:107:31:041
31546991815,2cyclictest31222-21kworker/u8:107:19:041
31546991815,2cyclictest26957-21kworker/u8:308:21:041
31546991815,2cyclictest24866-21kworker/u8:012:14:051
31546991815,2cyclictest17931-21kworker/u8:009:15:041
31546991815,2cyclictest1760-21kworker/u8:010:06:041
31546991815,2cyclictest1012-21kworker/u8:008:39:041
3154699180,2cyclictest0-21swapper/112:02:051
3154699180,2cyclictest0-21swapper/109:37:041
3154699180,2cyclictest0-21swapper/109:37:041
3154699180,14cyclictest0-21swapper/112:27:041
3154699180,13cyclictest0-21swapper/109:55:041
3154799170,2cyclictest0-21swapper/209:40:042
31546991714,2cyclictest7224-21kworker/u8:210:14:011
31546991714,2cyclictest7126-21kworker/u8:207:29:031
31546991714,2cyclictest7033-21kworker/u8:012:34:041
31546991714,2cyclictest23910-21kworker/u8:011:05:041
31546991714,2cyclictest23910-21kworker/u8:010:44:041
31546991714,2cyclictest22960-21kworker/u8:209:22:041
31546991714,2cyclictest11489-21kworker/u8:109:29:041
3154699170,11cyclictest0-21swapper/112:08:031
3154599171,3cyclictest26296-21diskstats08:15:140
3154599170,2cyclictest0-21swapper/008:45:120
104622170,1sleep30-21swapper/310:48:093
3154899161,13cyclictest0-21swapper/309:35:063
3154899161,13cyclictest0-21swapper/309:35:063
3154899160,3cyclictest4295-21perl08:40:143
31547991611,3cyclictest0-21swapper/211:09:112
31546991613,2cyclictest8965-21kworker/u8:209:45:041
31546991613,2cyclictest31222-21kworker/u8:107:12:041
31546991613,2cyclictest26957-21kworker/u8:308:41:041
31546991613,2cyclictest25351-21kworker/u8:111:18:031
31546991613,2cyclictest24941-21kworker/u8:008:13:041
31546991613,2cyclictest17173-21kworker/u8:307:55:041
31546991613,2cyclictest15158-21kworker/u8:107:47:041
31546991613,2cyclictest11489-21kworker/u8:109:01:041
3154699160,2cyclictest0-21swapper/112:36:011
3154699160,12cyclictest0-21swapper/108:51:041
3154699160,12cyclictest0-21swapper/107:41:041
3154599160,14cyclictest22404-21proc_pri11:35:190
3154899151,3cyclictest2441-21ntp_states08:35:203
3154899151,3cyclictest18552-21ssh09:12:073
3154899151,12cyclictest8330-21missed_timers12:30:173
3154899151,12cyclictest23634-21sh09:17:443
31548991511,2cyclictest0-21swapper/311:46:043
3154899151,12cyclictest0-21swapper/309:50:073
31548991510,3cyclictest20736-21apt-get08:00:303
31548991510,3cyclictest0-21swapper/310:31:033
3154899150,13cyclictest5791-21ssh11:52:573
3154899150,13cyclictest0-21swapper/310:20:103
3154799157,3cyclictest29-21rcuc/212:19:042
31547991512,2cyclictest28289-21kworker/u8:009:36:042
31547991512,2cyclictest28289-21kworker/u8:009:36:032
3154799151,12cyclictest4325-21ssh11:16:002
3154799150,2cyclictest0-21swapper/211:35:122
3154799150,13cyclictest25617-21latency_hist12:15:002
31546991512,2cyclictest9388-21kworker/u8:008:58:041
31546991512,2cyclictest7224-21kworker/u8:210:31:041
31546991512,2cyclictest21534-21kworker/u8:111:56:041
31546991511,2cyclictest0-21swapper/109:05:121
3154699150,5cyclictest0-21swapper/108:48:041
3154699150,2cyclictest0-21swapper/110:52:041
3154699150,2cyclictest0-21swapper/110:01:041
3154699150,2cyclictest0-21swapper/109:13:041
3154699150,13cyclictest0-21swapper/110:35:041
3154599152,8cyclictest11644-21ssh10:15:000
3154599152,2cyclictest0-21swapper/008:20:110
3154599151,3cyclictest16358-21apt-get10:20:100
3154599151,12cyclictest15500-21ssh12:03:430
3154599150,3cyclictest26133-21grep11:05:120
3154599150,13cyclictest0-21swapper/010:38:560
3154899142,6cyclictest0-21swapper/310:20:013
3154899142,6cyclictest0-21swapper/308:10:003
3154899141,2cyclictest14687-21ssh10:52:273
3154899141,11cyclictest6977-21ssh12:29:403
3154899141,11cyclictest0-21swapper/310:14:133
3154899140,3cyclictest775-21ssh12:22:163
3154899140,3cyclictest22313-21ssh10:25:453
3154899140,12cyclictest10244-21ssh11:57:383
3154899140,12cyclictest0-21swapper/312:10:143
3154899140,12cyclictest0-21swapper/312:08:243
3154799149,3cyclictest912-21ssh10:37:582
3154799149,3cyclictest7982-21irqstats10:45:152
31547991411,2cyclictest21534-21kworker/u8:111:40:002
31547991411,2cyclictest19406-21kworker/u8:009:53:042
31547991411,2cyclictest0-21swapper/211:48:512
31547991411,2cyclictest0-21swapper/210:41:412
31547991411,2cyclictest0-21swapper/207:51:012
31547991411,2cyclictest0-21swapper/207:26:002
31547991410,2cyclictest0-21swapper/212:35:132
3154799140,9cyclictest0-21swapper/210:50:032
3154799140,2cyclictest0-21swapper/212:28:112
3154799140,2cyclictest0-21swapper/211:53:412
3154799140,2cyclictest0-21swapper/210:13:412
3154799140,13cyclictest0-21swapper/211:33:412
3154799140,13cyclictest0-21swapper/208:55:102
3154799140,12cyclictest3688-21Xorg11:11:592
3154799140,12cyclictest0-21swapper/210:25:402
31546991411,2cyclictest23910-21kworker/u8:010:29:041
3154699140,2cyclictest0-21swapper/112:18:041
3154699140,13cyclictest0-21swapper/111:40:041
3154699140,13cyclictest0-21swapper/111:02:011
3154699140,12cyclictest9096-21ssh11:21:021
3154699140,10cyclictest0-21swapper/108:08:041
3154599149,3cyclictest4722-21unixbench_singl11:16:040
3154599149,3cyclictest16772-21ssh11:30:100
3154599149,3cyclictest0-21swapper/007:15:000
31545991410,2cyclictest0-21swapper/008:31:020
3154599140,12cyclictest15624-21diskmemload09:34:180
3154599140,12cyclictest0-21swapper/011:11:060
3892130,2sleep30-21swapper/310:37:083
3154899138,3cyclictest17686-21munin-node3
31548991310,2cyclictest0-21swapper/312:00:543
31548991310,2cyclictest0-21swapper/311:36:513
31548991310,2cyclictest0-21swapper/311:26:043
31548991310,2cyclictest0-21swapper/311:11:343
31548991310,2cyclictest0-21swapper/310:07:483
31548991310,2cyclictest0-21swapper/309:27:443
31548991310,2cyclictest0-21swapper/309:00:593
31548991310,2cyclictest0-21swapper/308:51:043
31548991310,2cyclictest0-21swapper/307:30:083
3154899130,7cyclictest0-21swapper/307:45:003
3154899130,2cyclictest0-21swapper/311:30:373
3154899130,2cyclictest0-21swapper/311:21:343
3154899130,2cyclictest0-21swapper/309:24:433
3154899130,12cyclictest27750-21copy08:20:013
3154899130,12cyclictest0-21swapper/312:15:123
3154899130,11cyclictest15624-21diskmemload11:15:373
31547991310,2cyclictest8965-21kworker/u8:210:02:032
31547991310,2cyclictest24866-21kworker/u8:012:21:042
31547991310,2cyclictest10327-21kworker/u8:212:06:032
31547991310,2cyclictest0-21swapper/211:25:152
3154799130,2cyclictest2387-21aten2.4_r3power09:30:132
3154799130,12cyclictest0-21swapper/212:33:202
3154799130,12cyclictest0-21swapper/212:03:212
3154799130,11cyclictest19720-21apt-get08:00:112
31546991310,2cyclictest20748-21kworker/u8:208:04:041
3154699130,2cyclictest0-21swapper/111:53:041
3154699130,2cyclictest0-21swapper/111:29:041
3154699130,2cyclictest0-21swapper/111:10:121
3154599138,3cyclictest338-21ssh10:02:120
3154599132,8cyclictest0-21swapper/007:16:590
3154599132,6cyclictest0-21swapper/007:25:000
3154599131,6cyclictest0-21swapper/007:45:000
31545991310,2cyclictest15624-21diskmemload10:47:390
31545991310,2cyclictest0-21swapper/012:33:290
31545991310,2cyclictest0-21swapper/012:28:290
31545991310,2cyclictest0-21swapper/012:22:480
31545991310,2cyclictest0-21swapper/012:15:100
31545991310,2cyclictest0-21swapper/012:12:590
31545991310,2cyclictest0-21swapper/011:55:080
31545991310,2cyclictest0-21swapper/011:26:010
31545991310,2cyclictest0-21swapper/011:21:210
31545991310,2cyclictest0-21swapper/010:57:000
31545991310,2cyclictest0-21swapper/009:57:490
31545991310,2cyclictest0-21swapper/009:11:490
3154599130,2cyclictest0-21swapper/012:38:390
3154599130,2cyclictest0-21swapper/010:54:390
3154599130,2cyclictest0-21swapper/010:13:090
3154599130,12cyclictest0-21swapper/011:03:490
3154599130,12cyclictest0-21swapper/010:31:290
3154599130,12cyclictest0-21swapper/010:07:490
3154599130,11cyclictest15624-21diskmemload09:45:560
3154599130,11cyclictest0-21swapper/011:50:090
3154899129,2cyclictest0-21swapper/310:56:023
3154899129,2cyclictest0-21swapper/309:45:173
3154899129,2cyclictest0-21swapper/308:25:153
3154899129,2cyclictest0-21swapper/307:26:003
3154899127,3cyclictest31289-21ssh10:00:253
3154899127,3cyclictest27407-21grep09:56:033
3154899122,7cyclictest0-21swapper/307:38:013
3154899122,7cyclictest0-21swapper/307:15:023
3154899120,2cyclictest0-21swapper/309:42:483
3154899120,2cyclictest0-21swapper/309:31:063
3154899120,11cyclictest0-21swapper/312:35:173
3154899120,11cyclictest0-21swapper/311:41:513
3154899120,11cyclictest0-21swapper/310:40:033
3154899120,11cyclictest0-21swapper/308:45:193
3154899120,10cyclictest0-21swapper/311:00:143
3154799129,2cyclictest0-21swapper/210:30:032
3154799129,2cyclictest0-21swapper/209:56:092
3154799129,2cyclictest0-21swapper/208:10:132
3154799129,2cyclictest0-21swapper/208:05:132
3154799123,6cyclictest0-21swapper/208:16:012
3154799120,2cyclictest0-21swapper/211:57:522
3154799120,2cyclictest0-21swapper/211:22:272
3154799120,2cyclictest0-21swapper/211:00:582
3154799120,2cyclictest0-21swapper/210:56:182
3154799120,2cyclictest0-21swapper/210:20:252
3154799120,11cyclictest0-21swapper/210:05:232
3154799120,11cyclictest0-21swapper/209:25:012
3154699122,5cyclictest0-21swapper/112:25:001
3154699120,2cyclictest0-21swapper/108:18:031
3154699120,2cyclictest0-21swapper/107:37:041
3154699120,2cyclictest0-21swapper/107:20:041
3154699120,11cyclictest0-21swapper/111:31:421
3154699120,10cyclictest7370-21kworker/u8:110:55:041
3154599129,2cyclictest0-21swapper/012:05:250
3154599129,2cyclictest0-21swapper/011:46:130
3154599129,2cyclictest0-21swapper/009:40:290
3154599129,2cyclictest0-21swapper/009:27:190
3154599129,2cyclictest0-21swapper/009:15:410
3154599128,2cyclictest0-21swapper/009:00:090
3154599127,3cyclictest0-21swapper/008:05:200
3154599120,2cyclictest8093-21ssh09:35:230
3154599120,2cyclictest8093-21ssh09:35:230
3154599120,2cyclictest15624-21diskmemload10:25:170
3154599120,2cyclictest15624-21diskmemload09:52:010
3154599120,2cyclictest0-21swapper/011:40:180
3154599120,11cyclictest0-21swapper/009:05:120
3154599120,11cyclictest0-21swapper/008:56:010
3154599120,11cyclictest0-21swapper/008:50:150
3154599120,11cyclictest0-21swapper/007:45:180
3154599120,11cyclictest0-21swapper/007:35:120
116482120,2sleep20-21swapper/210:15:022
3154799118,2cyclictest7126-21kworker/u8:207:35:042
3154799118,2cyclictest7126-21kworker/u8:207:32:012
3154799111,6cyclictest0-21swapper/208:50:092
3154799110,2cyclictest0-21swapper/208:48:042
3154799110,10cyclictest0-21swapper/207:10:042
3154699111,8cyclictest0-21swapper/108:25:201
3154699110,9cyclictest0-21swapper/108:30:151
3154699110,3cyclictest0-21swapper/107:51:001
3154699110,2cyclictest0-21swapper/110:48:521
3154699110,2cyclictest0-21swapper/109:33:041
3154599118,2cyclictest0-21swapper/008:10:170
3154599118,2cyclictest0-21swapper/007:21:010
3154599110,9cyclictest0-21swapper/008:25:170
3154599110,2cyclictest0-21swapper/007:50:180
10522110,1sleep2301ktimersoftd/208:31:422
3154899105,3cyclictest15206-21unixbench_multi09:06:033
3154799107,2cyclictest9283-21kworker/u8:007:56:042
3154799107,2cyclictest9283-21kworker/u8:007:44:012
3154799107,2cyclictest0-21swapper/208:35:132
3154799107,2cyclictest0-21swapper/207:45:402
3154599107,2cyclictest0-21swapper/008:35:150
3154599107,2cyclictest0-21swapper/008:00:160
3154599107,2cyclictest0-21swapper/007:30:160
315489994,3cyclictest3497-21aten2.4_r3power07:20:123
315489994,3cyclictest32242-21sort07:10:133
315489994,3cyclictest26059-21telnet08:15:133
315489994,3cyclictest24421-21fschecks_time08:10:143
315489994,3cyclictest14202-21fschecks_time07:45:133
315489993,4cyclictest10079-21tr08:55:123
315489992,4cyclictest0-21swapper/308:30:593
315489991,5cyclictest0-21swapper/307:50:033
315479994,3cyclictest4437-21kernelversion08:40:162
315479994,3cyclictest28230-21cpuspeed_turbos08:20:122
315479994,3cyclictest12982-21python09:01:002
315479991,5cyclictest0-21swapper/207:17:032
315459994,3cyclictest3854-21cpu08:40:110
315459994,3cyclictest3728-21runrttasks07:56:380
31495290,6sleep20-21swapper/208:26:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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