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2026-06-16 - 14:44

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 Tue Jun 16, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7245210998,6sleep00-21swapper/007:05:300
7772210897,6sleep30-21swapper/307:07:023
7251210897,6sleep10-21swapper/107:05:351
7796210585,15sleep20-21swapper/207:07:202
36552850,0sleep20-21swapper/209:21:252
253692710,0sleep10-21swapper/110:57:081
5722300,6sleep2804099cyclictest09:19:052
82282220,1sleep3381ktimersoftd/310:02:153
804199220,20cyclictest0-21swapper/311:35:113
804199210,19cyclictest0-21swapper/309:45:103
804199200,18cyclictest24369-21diskmemload10:55:113
8038991815,2cyclictest28772-21kworker/u8:108:02:011
8038991814,2cyclictest207150irq/24-eth111:50:041
803899181,2cyclictest0-21swapper/109:30:111
8038991710,5cyclictest6462-21python10:36:011
803899170,16cyclictest0-21swapper/108:20:011
804199161,13cyclictest24999-21diskstats07:50:143
8041991611,3cyclictest0-21swapper/310:50:143
804099160,14cyclictest0-21swapper/208:25:152
803899169,5cyclictest0-21swapper/111:06:441
803899169,5cyclictest0-21swapper/111:06:441
803899161,3cyclictest0-21swapper/110:01:041
803599160,14cyclictest0-21swapper/012:36:570
50022160,1sleep1221ktimersoftd/111:10:151
8041991510,3cyclictest3951-21diskstats11:45:133
8041991510,3cyclictest27436-21ssh11:00:123
804199150,13cyclictest0-21swapper/312:25:133
8040991512,2cyclictest0-21swapper/212:22:552
8040991512,2cyclictest0-21swapper/210:17:452
803899152,2cyclictest23-21ksoftirqd/111:25:141
8038991512,2cyclictest18676-21kworker/u8:210:27:041
803899151,12cyclictest17182-21munin-node1
8038991511,2cyclictest0-21swapper/107:46:431
8038991511,2cyclictest0-21swapper/107:46:431
8038991510,3cyclictest31226-21hddtemp_smartct08:05:171
803899150,14cyclictest0-21swapper/111:20:041
803899150,13cyclictest5400-21date10:00:001
803599151,3cyclictest0-21swapper/010:43:110
803599151,12cyclictest30000-21users10:26:040
803599151,12cyclictest21258-21ssh10:52:390
803599151,12cyclictest0-21swapper/010:20:420
8035991510,3cyclictest14317-21munin-run08:45:000
803599150,14cyclictest0-21swapper/009:12:260
803599150,13cyclictest19358-21processes07:35:200
803599150,13cyclictest0-21swapper/008:05:150
804199140,12cyclictest0-21swapper/312:17:373
804199140,12cyclictest0-21swapper/311:54:183
804199140,12cyclictest0-21swapper/311:11:013
8040991411,2cyclictest0-21swapper/212:03:452
8040991411,2cyclictest0-21swapper/211:02:352
8040991411,2cyclictest0-21swapper/210:31:202
8040991411,2cyclictest0-21swapper/210:29:452
8040991411,2cyclictest0-21swapper/210:05:152
804099140,2cyclictest0-21swapper/211:59:352
804099140,2cyclictest0-21swapper/211:41:052
804099140,2cyclictest0-21swapper/210:03:052
804099140,2cyclictest0-21swapper/207:15:102
804099140,13cyclictest0-21swapper/212:05:132
804099140,13cyclictest0-21swapper/211:39:052
804099140,13cyclictest0-21swapper/211:08:052
804099140,13cyclictest0-21swapper/211:08:052
804099140,12cyclictest27457-21sh09:48:092
804099140,12cyclictest0-21swapper/212:15:182
804099140,12cyclictest0-21swapper/211:17:252
804099140,12cyclictest0-21swapper/210:52:392
803899149,3cyclictest0-21swapper/112:10:171
803899142,6cyclictest0-21swapper/107:15:001
8038991411,2cyclictest8919-21kworker/u8:007:51:041
8038991411,2cyclictest5990-21kworker/u8:008:30:051
8038991411,2cyclictest10188-21kworker/u8:011:32:051
8038991411,2cyclictest0-21swapper/112:17:431
8038991411,2cyclictest0-21swapper/109:37:131
8038991411,2cyclictest0-21swapper/109:27:031
8038991411,2cyclictest0-21swapper/108:51:031
8038991410,2cyclictest0-21swapper/107:40:291
803899140,13cyclictest0-21swapper/108:36:031
803899140,12cyclictest18073-21nfs4_client12:00:161
803899140,12cyclictest14752-21cpuspeed_turbos08:45:121
803899140,12cyclictest0-21swapper/110:20:001
803599149,3cyclictest11733-21awk07:16:010
803599141,2cyclictest15044-21ssh11:56:480
8035991411,2cyclictest9853-21ssh11:15:370
8035991411,2cyclictest0-21swapper/011:30:110
8035991411,2cyclictest0-21swapper/011:20:300
8035991411,2cyclictest0-21swapper/010:05:060
8035991411,2cyclictest0-21swapper/009:55:060
803599140,2cyclictest19489-21ssh12:01:460
803599140,2cyclictest0-21swapper/012:20:160
803599140,2cyclictest0-21swapper/011:38:360
803599140,2cyclictest0-21swapper/010:30:160
803599140,13cyclictest0-21swapper/012:11:060
803599140,13cyclictest0-21swapper/010:46:160
803599140,13cyclictest0-21swapper/010:19:360
803599140,13cyclictest0-21swapper/009:41:060
803599140,13cyclictest0-21swapper/009:30:560
803599140,12cyclictest0-21swapper/012:19:080
164392140,2sleep10-21swapper/110:46:591
804199139,2cyclictest10478-21ntp_states10:40:193
804199139,2cyclictest0-21swapper/310:15:103
804199131,10cyclictest15915-21iostat_ios09:35:163
8041991310,2cyclictest0-21swapper/309:10:183
804199130,2cyclictest0-21swapper/312:20:143
804199130,2cyclictest0-21swapper/309:30:123
804199130,2cyclictest0-21swapper/308:31:023
804199130,2cyclictest0-21swapper/307:31:023
804199130,12cyclictest0-21swapper/309:15:173
804199130,11cyclictest18435-21ssh11:25:153
804199130,11cyclictest0-21swapper/311:21:183
804199130,11cyclictest0-21swapper/310:29:083
804099139,3cyclictest10585-21ssh11:51:492
8040991310,2cyclictest24369-21diskmemload11:11:132
8040991310,2cyclictest0-21swapper/212:30:432
8040991310,2cyclictest0-21swapper/212:11:252
8040991310,2cyclictest0-21swapper/211:25:182
8040991310,2cyclictest0-21swapper/210:37:282
8040991310,2cyclictest0-21swapper/209:50:172
8040991310,2cyclictest0-21swapper/209:26:512
8040991310,2cyclictest0-21swapper/208:05:162
8040991310,2cyclictest0-21swapper/207:50:162
804099130,2cyclictest0-21swapper/210:47:362
804099130,2cyclictest0-21swapper/210:20:192
804099130,2cyclictest0-21swapper/210:11:022
804099130,2cyclictest0-21swapper/207:55:112
804099130,1cyclictest0-21swapper/211:21:052
804099130,1cyclictest0-21swapper/209:43:052
804099130,12cyclictest24369-21diskmemload10:41:202
804099130,12cyclictest0-21swapper/209:59:022
804099130,12cyclictest0-21swapper/209:30:152
804099130,12cyclictest0-21swapper/207:46:022
804099130,12cyclictest0-21swapper/207:46:012
804099130,12cyclictest0-21swapper/207:40:152
804099130,11cyclictest0-21swapper/207:35:132
803899138,3cyclictest27648-21rm09:48:291
803899138,3cyclictest0-21swapper/111:16:031
803899138,3cyclictest0-21swapper/110:24:151
8038991310,2cyclictest0-21swapper/112:24:141
8038991310,2cyclictest0-21swapper/111:48:281
803899130,3cyclictest28960-21ssh11:36:141
803899130,3cyclictest10136-21http_loadtime10:40:161
803899130,12cyclictest0-21swapper/112:31:051
803899130,12cyclictest0-21swapper/109:17:231
803899130,12cyclictest0-21swapper/109:13:031
803899130,11cyclictest0-21swapper/110:31:171
803899130,11cyclictest0-21swapper/107:55:291
803599139,3cyclictest0-21swapper/009:01:010
803599131,2cyclictest0-21swapper/009:27:200
8035991310,2cyclictest29669-21ssh11:01:390
8035991310,2cyclictest18979-21ssh11:25:370
8035991310,2cyclictest0-21swapper/012:27:010
8035991310,2cyclictest0-21swapper/011:50:460
8035991310,2cyclictest0-21swapper/011:45:270
8035991310,2cyclictest0-21swapper/010:55:590
8035991310,2cyclictest0-21swapper/010:14:260
8035991310,2cyclictest0-21swapper/008:55:150
8035991310,2cyclictest0-21swapper/008:16:030
8035991310,2cyclictest0-21swapper/007:45:130
8035991310,2cyclictest0-21swapper/007:45:130
803599130,2cyclictest24369-21diskmemload09:53:380
803599130,2cyclictest0-21swapper/011:05:140
803599130,2cyclictest0-21swapper/011:05:140
803599130,2cyclictest0-21swapper/010:00:220
803599130,2cyclictest0-21swapper/009:45:400
803599130,2cyclictest0-21swapper/009:16:000
803599130,2cyclictest0-21swapper/009:05:120
803599130,2cyclictest0-21swapper/007:10:140
803599130,12cyclictest0-21swapper/012:05:260
803599130,12cyclictest0-21swapper/011:40:070
803599130,12cyclictest0-21swapper/011:10:290
803599130,12cyclictest0-21swapper/008:45:120
803599130,12cyclictest0-21swapper/007:51:020
803599130,12cyclictest0-21swapper/007:31:020
803599130,12cyclictest0-21swapper/007:25:000
18952130,2sleep00-21swapper/009:20:160
804199129,2cyclictest8322-21apt-get11:15:073
804199129,2cyclictest0-21swapper/312:38:383
804199129,2cyclictest0-21swapper/311:58:183
804199129,2cyclictest0-21swapper/309:28:383
804199129,2cyclictest0-21swapper/307:21:013
804199122,7cyclictest4562-21gdm-simple-gree08:57:583
804199122,6cyclictest0-21swapper/308:06:023
804199120,2cyclictest0-21swapper/312:03:383
804199120,2cyclictest0-21swapper/309:50:203
804199120,11cyclictest0-21swapper/312:32:143
804199120,11cyclictest0-21swapper/310:45:153
804199120,11cyclictest0-21swapper/310:05:353
804199120,11cyclictest0-21swapper/309:55:163
804199120,11cyclictest0-21swapper/309:20:183
804199120,11cyclictest0-21swapper/309:06:043
804099129,2cyclictest12492-21latency_hist08:40:012
804099129,2cyclictest0-21swapper/211:30:552
804099129,2cyclictest0-21swapper/210:57:052
804099129,2cyclictest0-21swapper/208:11:022
804099129,2cyclictest0-21swapper/207:10:072
804099120,2cyclictest0-21swapper/209:10:442
804099120,2cyclictest0-21swapper/209:00:152
804099120,2cyclictest0-21swapper/208:20:022
804099120,1cyclictest14327-21apt-get07:25:122
804099120,11cyclictest0-21swapper/212:37:292
804099120,11cyclictest0-21swapper/212:28:262
804099120,11cyclictest0-21swapper/211:46:422
804099120,11cyclictest0-21swapper/209:35:162
803899129,2cyclictest9603-21kworker/u8:211:55:041
803899129,2cyclictest8919-21kworker/u8:007:25:041
803899129,2cyclictest7448-21apt-get12:25:131
803899129,2cyclictest207150irq/24-eth112:05:131
803899129,2cyclictest16472-21kworker/u8:109:40:041
803899129,2cyclictest14394-21kworker/u8:107:32:041
803899129,2cyclictest0-21swapper/110:11:191
803899129,2cyclictest0-21swapper/110:05:441
803899128,2cyclictest7347-21ntp_states08:25:171
803899128,2cyclictest207150irq/24-eth111:40:121
803899127,3cyclictest32655-21munin-node1
803899121,9cyclictest23137-21perl09:05:151
803899121,9cyclictest18543-21apt-get08:55:121
803899121,9cyclictest18472-21munin-node1
803899121,9cyclictest0-21swapper/108:15:111
803899121,9cyclictest0-21swapper/107:15:171
803899120,2cyclictest0-21swapper/109:50:021
803899120,11cyclictest0-21swapper/111:00:161
803899120,11cyclictest0-21swapper/108:40:141
803599129,2cyclictest0-21swapper/008:25:130
803599120,2cyclictest0-21swapper/010:39:320
803599120,11cyclictest0-21swapper/012:34:580
803599120,11cyclictest0-21swapper/009:37:580
803599120,11cyclictest0-21swapper/008:35:310
804199118,2cyclictest0-21swapper/312:14:413
804199118,2cyclictest0-21swapper/310:35:163
804199118,2cyclictest0-21swapper/310:30:123
804199118,2cyclictest0-21swapper/310:21:263
804199118,2cyclictest0-21swapper/310:13:573
804199112,5cyclictest0-21swapper/308:51:023
804199111,8cyclictest23983-21copy09:45:003
804199111,6cyclictest0-21swapper/309:01:013
804199110,2cyclictest0-21swapper/312:05:193
804199110,2cyclictest0-21swapper/311:32:053
804099118,2cyclictest0-21swapper/208:45:172
804099110,1cyclictest0-21swapper/207:30:002
803899118,2cyclictest0-21swapper/109:00:121
803899111,3cyclictest13211-21ntp_states07:20:191
803899110,9cyclictest1472-21munin-node1
803899110,9cyclictest0-21swapper/107:40:001
325032110,2sleep30-21swapper/311:40:203
804199107,2cyclictest32643-21ethtool11:05:153
804199107,2cyclictest32643-21ethtool11:05:153
804199102,6cyclictest0-21swapper/308:49:583
804199102,5cyclictest0-21swapper/307:59:583
804199102,5cyclictest0-21swapper/307:25:013
804199101,6cyclictest0-21swapper/307:41:013
804199100,7cyclictest0-21swapper/308:37:583
804099107,2cyclictest0-21swapper/208:40:122
803599107,2cyclictest0-21swapper/008:30:120
243802100,1sleep30-21swapper/307:50:003
243802100,1sleep30-21swapper/307:50:003
80419996,2cyclictest0-21swapper/308:25:183
80419994,3cyclictest3443-21NetworkManager08:20:043
80419992,6cyclictest0-21swapper/308:41:023
80419992,6cyclictest0-21swapper/307:15:593
80419990,6cyclictest0-21swapper/308:16:023
80419990,5cyclictest0-21swapper/308:11:013
80409996,2cyclictest0-21swapper/208:55:122
80409994,3cyclictest29089-21fschecks_count08:00:142
80409994,3cyclictest2212-21apt08:15:112
80409991,6cyclictest22656-21aten2.4_r3power09:05:122
80359996,2cyclictest0-21swapper/008:20:110
22030290,2sleep00-21swapper/007:42:360
80419983,3cyclictest3262-21avahi-daemon07:10:043
80419983,3cyclictest28690-21aten2.4_r3power08:00:123
80419983,3cyclictest18904-21cut07:35:153
80409985,2cyclictest12795-21fschecks_time07:20:152
80409984,3cyclictest8472-21packagekitd08:30:062
80409984,2cyclictest16826-21cpuspeed_turbos08:50:142
80359985,2cyclictest17386-21grep08:50:190
80359985,2cyclictest0-21swapper/008:00:060
80359984,3cyclictest2850-21rsyslogd08:13:470
80359983,3cyclictest12898-21http_loadtime07:20:150
80359980,1cyclictest0-21swapper/007:57:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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