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2026-01-08 - 14:14

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 Thu Jan 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1685421370,0sleep10-21swapper/108:15:141
23234212296,20sleep10-21swapper/107:07:561
23163211997,17sleep20-21swapper/207:07:012
23119211897,16sleep00-21swapper/007:06:270
232312117106,6sleep30-21swapper/307:07:543
2969821060,1sleep129696-21/usr/sbin/munin10:50:001
207002780,0sleep20-21swapper/211:16:142
124402720,1sleep1221ktimersoftd/111:43:561
295602700,0sleep30-21swapper/312:40:023
216282700,0sleep00-21swapper/010:04:490
2342399234,17cyclictest0-21swapper/211:42:052
2342199210,19cyclictest0-21swapper/007:25:120
2342399202,2cyclictest0-21swapper/209:40:042
23423992017,2cyclictest30036-21kworker/u8:208:59:042
23423992017,2cyclictest20513-21kworker/u8:210:08:042
23423992016,2cyclictest18712-21kworker/u8:211:33:042
23423992016,2cyclictest0-21swapper/209:20:102
2342199200,2cyclictest0-21swapper/009:20:100
23424991916,2cyclictest26312-21kworker/u8:111:25:043
23423991916,2cyclictest981-21kworker/u8:009:57:042
23423991916,2cyclictest9201-21kworker/u8:208:06:042
23423991916,2cyclictest5864-21kworker/u8:212:15:042
23423991916,2cyclictest18058-21kworker/u8:208:36:042
23423991916,2cyclictest16041-21kworker/u8:108:33:042
23423991916,2cyclictest14542-21kworker/u8:110:23:042
23423991916,2cyclictest13867-21kworker/u8:008:14:042
23423991916,2cyclictest11981-21kworker/u8:209:16:042
2342399191,2cyclictest0-21swapper/210:55:042
2342399190,18cyclictest0-21swapper/211:54:052
2342399190,18cyclictest0-21swapper/211:54:052
2342399190,17cyclictest0-21swapper/210:44:042
2342399190,17cyclictest0-21swapper/209:51:042
193802190,1sleep10-21swapper/109:24:501
23424991815,2cyclictest7631-21kworker/u8:010:25:043
23424991815,2cyclictest6566-21kworker/u8:111:47:043
23424991815,2cyclictest32734-21kworker/u8:009:26:043
23424991815,2cyclictest17886-21kworker/u8:109:35:043
23424991815,2cyclictest14542-21kworker/u8:110:20:043
2342399182,2cyclictest0-21swapper/212:13:032
23423991815,2cyclictest30036-21kworker/u8:209:04:042
23423991815,2cyclictest30036-21kworker/u8:209:04:042
23423991815,2cyclictest18637-21kworker/u8:212:31:042
23423991815,2cyclictest18058-21kworker/u8:208:20:042
23423991815,2cyclictest16041-21kworker/u8:108:44:042
23423991815,2cyclictest15029-21kworker/u8:107:16:042
2342399180,2cyclictest0-21swapper/211:39:042
2342399180,2cyclictest0-21swapper/211:05:052
2342399180,2cyclictest0-21swapper/209:07:042
23424991714,2cyclictest7631-21kworker/u8:010:57:033
23424991714,2cyclictest32734-21kworker/u8:009:12:043
23424991714,2cyclictest28531-21kworker/u8:110:50:043
23424991714,2cyclictest20513-21kworker/u8:210:06:043
23424991714,2cyclictest18712-21kworker/u8:211:16:043
23424991714,2cyclictest18058-21kworker/u8:208:28:043
23423991714,2cyclictest2892-21kworker/u8:107:41:042
2342399171,14cyclictest6295-21ssh09:10:122
2342399170,2cyclictest0-21swapper/210:11:042
2342199170,12cyclictest0-21swapper/011:08:040
23424991613,2cyclictest7631-21kworker/u8:010:41:033
23424991613,2cyclictest29271-21kworker/u8:007:57:033
23424991613,2cyclictest20513-21kworker/u8:210:04:043
23424991613,2cyclictest18058-21kworker/u8:208:18:043
23424991613,2cyclictest12238-21kworker/u8:110:36:053
23423991611,3cyclictest24251-21ssh09:30:112
2342399160,2cyclictest0-21swapper/211:24:042
2342399160,2cyclictest0-21swapper/210:15:042
2342399160,2cyclictest0-21swapper/207:38:052
2342399160,15cyclictest0-21swapper/210:28:052
2342399160,14cyclictest0-21swapper/211:45:112
2342399160,14cyclictest0-21swapper/207:25:112
23422991611,4cyclictest0-21swapper/109:54:131
2342299160,14cyclictest0-21swapper/111:26:131
2342299160,14cyclictest0-21swapper/110:40:231
2342199160,2cyclictest0-21swapper/010:40:100
2342199160,11cyclictest0-21swapper/011:43:040
2342199160,11cyclictest0-21swapper/011:14:040
2342199160,11cyclictest0-21swapper/009:36:040
2342199160,11cyclictest0-21swapper/009:17:030
2342499151,3cyclictest0-21swapper/311:07:023
23424991512,2cyclictest7631-21kworker/u8:011:04:053
23424991512,2cyclictest32329-21kworker/u8:011:36:043
23424991512,2cyclictest28531-21kworker/u8:110:49:033
23424991512,2cyclictest23845-21kworker/u8:112:07:043
23424991512,2cyclictest23796-21kworker/u8:207:33:033
23424991512,2cyclictest17886-21kworker/u8:109:34:043
23424991512,2cyclictest15029-21kworker/u8:107:19:033
23424991512,2cyclictest14542-21kworker/u8:110:14:053
23424991512,2cyclictest12238-21kworker/u8:110:32:043
23424991512,2cyclictest11981-21kworker/u8:209:21:043
23424991512,2cyclictest0-21swapper/309:42:413
2342399150,2cyclictest0-21swapper/212:36:042
2342399150,2cyclictest0-21swapper/208:48:042
2342399150,2cyclictest0-21swapper/207:58:042
23422991512,2cyclictest12222-21kworker/u8:111:11:031
23422991512,2cyclictest0-21swapper/110:09:241
2342299150,2cyclictest0-21swapper/112:13:231
2342299150,13cyclictest24985-21grep07:10:251
2342299150,13cyclictest0-21swapper/110:02:011
2342299150,13cyclictest0-21swapper/107:45:131
23421991512,2cyclictest981-21kworker/u8:009:45:040
2342199150,14cyclictest0-21swapper/010:47:030
2342199150,13cyclictest0-21swapper/007:30:140
2342199150,10cyclictest0-21swapper/012:02:040
2342199150,10cyclictest0-21swapper/009:56:040
2342199150,10cyclictest0-21swapper/008:35:040
23424991411,2cyclictest31161-21kworker/u8:012:26:043
23424991411,2cyclictest29271-21kworker/u8:007:51:033
23424991411,2cyclictest23845-21kworker/u8:111:59:033
23424991411,2cyclictest23796-21kworker/u8:207:11:053
23424991411,2cyclictest16041-21kworker/u8:108:53:043
23424991411,2cyclictest16041-21kworker/u8:108:41:043
23424991411,2cyclictest16041-21kworker/u8:108:31:043
23424991411,2cyclictest11220-21kworker/u8:112:23:033
23424991411,2cyclictest11220-21kworker/u8:112:19:043
2342499140,1cyclictest0-21swapper/309:00:113
2342499140,1cyclictest0-21swapper/309:00:113
2342499140,13cyclictest0-21swapper/311:20:013
2342499140,12cyclictest7129-21updatedb.mlocat07:46:033
2342499140,12cyclictest6675-21snmpd12:13:453
2342499140,12cyclictest30926-21ssh10:15:073
2342499140,12cyclictest0-21swapper/309:49:043
2342499140,12cyclictest0-21swapper/309:15:013
2342499140,12cyclictest0-21swapper/309:05:143
2342399141,2cyclictest0-21swapper/210:33:032
23423991411,2cyclictest0-21swapper/210:04:242
2342399140,3cyclictest0-21swapper/210:51:312
2342399140,13cyclictest0-21swapper/211:57:032
2342399140,12cyclictest0-21swapper/212:06:072
23422991411,2cyclictest981-21kworker/u8:009:58:041
23422991411,2cyclictest0-21swapper/112:22:291
23422991411,2cyclictest0-21swapper/112:05:251
23422991411,2cyclictest0-21swapper/111:46:081
23422991411,2cyclictest0-21swapper/111:20:111
23422991411,2cyclictest0-21swapper/110:53:341
23422991411,2cyclictest0-21swapper/110:30:031
23422991410,2cyclictest24273-21apt-get08:35:051
2342299140,2cyclictest0-21swapper/111:06:131
2342299140,13cyclictest0-21swapper/111:16:441
2342299140,13cyclictest0-21swapper/109:31:571
2342299140,13cyclictest0-21swapper/109:19:431
2342299140,12cyclictest0-21swapper/111:00:041
2342299140,12cyclictest0-21swapper/110:35:321
2342199141,2cyclictest28707-21ssh11:25:180
23421991411,2cyclictest0-21swapper/011:57:160
23421991411,2cyclictest0-21swapper/010:17:570
2342199140,2cyclictest0-21swapper/011:17:160
212732140,2sleep00-21swapper/011:53:530
212732140,2sleep00-21swapper/011:53:530
23424991310,2cyclictest30036-21kworker/u8:208:47:043
23424991310,2cyclictest18712-21kworker/u8:211:30:043
23424991310,2cyclictest13573-21apt-get08:05:043
23424991310,2cyclictest0-21swapper/312:00:013
23424991310,2cyclictest0-21swapper/307:20:113
2342499130,2cyclictest0-21swapper/312:33:413
2342499130,2cyclictest0-21swapper/311:53:253
2342499130,2cyclictest0-21swapper/311:53:243
2342499130,2cyclictest0-21swapper/311:41:583
2342499130,2cyclictest0-21swapper/311:11:033
2342499130,2cyclictest0-21swapper/309:50:073
2342499130,12cyclictest0-21swapper/308:55:273
2342499130,12cyclictest0-21swapper/307:40:103
2342499130,11cyclictest0-21swapper/309:57:063
23423991310,2cyclictest5968-21diskmemload10:46:532
23423991310,2cyclictest0-21swapper/212:20:272
23423991310,2cyclictest0-21swapper/211:26:082
2342399130,6cyclictest0-21swapper/208:00:052
2342399130,2cyclictest14245-21ssh11:10:112
2342399130,2cyclictest0-21swapper/209:29:162
2342399130,2cyclictest0-21swapper/207:48:042
2342399130,12cyclictest0-21swapper/210:35:182
2342399130,11cyclictest0-21swapper/211:00:292
2342399130,11cyclictest0-21swapper/209:45:172
23422991310,2cyclictest23796-21kworker/u8:207:31:041
23422991310,2cyclictest15029-21kworker/u8:107:22:041
23422991310,2cyclictest11786-21apt-get08:00:131
23422991310,2cyclictest0-21swapper/112:35:331
23422991310,2cyclictest0-21swapper/112:02:481
23422991310,2cyclictest0-21swapper/111:55:171
23422991310,2cyclictest0-21swapper/111:50:171
23422991310,2cyclictest0-21swapper/111:50:171
23422991310,2cyclictest0-21swapper/110:21:201
23422991310,2cyclictest0-21swapper/110:10:361
23422991310,2cyclictest0-21swapper/109:35:141
23422991310,2cyclictest0-21swapper/108:50:151
23422991310,2cyclictest0-21swapper/108:30:271
2342299130,2cyclictest5968-21diskmemload11:30:231
2342299130,2cyclictest0-21swapper/110:25:241
2342299130,2cyclictest0-21swapper/109:11:131
2342299130,2cyclictest0-21swapper/109:05:201
2342299130,1cyclictest0-21swapper/110:56:231
2342299130,12cyclictest0-21swapper/112:15:191
2342299130,12cyclictest0-21swapper/110:15:221
2342299130,12cyclictest0-21swapper/109:45:191
2342299130,12cyclictest0-21swapper/109:26:541
2342299130,11cyclictest5291-21cut11:35:211
2342299130,11cyclictest0-21swapper/112:30:031
2342299130,11cyclictest0-21swapper/107:50:201
23421991310,2cyclictest0-21swapper/011:31:160
23421991310,2cyclictest0-21swapper/010:30:120
2342199130,9cyclictest0-21swapper/008:12:040
2342199130,2cyclictest0-21swapper/011:45:360
2342199130,2cyclictest0-21swapper/010:51:380
2342199130,2cyclictest0-21swapper/008:55:170
2342199130,12cyclictest23845-21kworker/u8:112:11:040
2342199130,12cyclictest0-21swapper/012:25:040
2342199130,12cyclictest0-21swapper/012:15:260
2342199130,12cyclictest0-21swapper/012:08:040
2342199130,12cyclictest0-21swapper/010:07:460
2342199130,12cyclictest0-21swapper/009:32:040
2342199130,12cyclictest0-21swapper/009:27:050
2342199130,12cyclictest0-21swapper/009:10:180
2342199130,12cyclictest0-21swapper/008:00:260
2342199130,11cyclictest0-21swapper/012:30:120
2342199130,11cyclictest0-21swapper/009:00:130
2342199130,11cyclictest0-21swapper/009:00:120
2342499129,2cyclictest2892-21kworker/u8:107:39:053
2342399129,2cyclictest0-21swapper/212:02:222
2342399129,2cyclictest0-21swapper/208:15:182
2342399122,7cyclictest0-21swapper/209:35:022
2342399122,7cyclictest0-21swapper/207:30:012
2342399120,2cyclictest0-21swapper/208:25:052
2342399120,11cyclictest0-21swapper/212:26:522
2342299129,2cyclictest9201-21kworker/u8:208:10:041
2342299129,2cyclictest29271-21kworker/u8:007:59:041
2342299129,2cyclictest0-21swapper/109:40:371
2342299129,2cyclictest0-21swapper/109:00:171
2342299129,2cyclictest0-21swapper/109:00:171
2342299120,2cyclictest0-21swapper/112:25:081
2342299120,2cyclictest0-21swapper/108:20:211
2342199129,2cyclictest5968-21diskmemload10:39:160
2342199129,2cyclictest0-21swapper/012:20:380
2342199129,2cyclictest0-21swapper/010:55:260
2342199129,2cyclictest0-21swapper/010:23:260
2342199122,6cyclictest0-21swapper/007:10:230
2342199120,7cyclictest7497-21gdm-simple-gree07:46:580
2342199120,2cyclictest0-21swapper/012:35:590
2342199120,2cyclictest0-21swapper/010:29:370
2342199120,11cyclictest0-21swapper/011:39:160
2342199120,11cyclictest0-21swapper/011:00:040
2342199120,10cyclictest0-21swapper/007:23:040
88602110,2sleep20-21swapper/207:50:242
2342499110,9cyclictest0-21swapper/307:25:043
2342399113,6cyclictest0-21swapper/207:12:462
2342299118,2cyclictest29271-21kworker/u8:007:25:051
2342299118,2cyclictest0-21swapper/108:55:451
2342299110,9cyclictest0-21swapper/108:28:041
2342199118,2cyclictest0-21swapper/011:20:110
2342199118,2cyclictest0-21swapper/008:45:110
2342199112,7cyclictest0-21swapper/009:51:590
2342199112,6cyclictest0-21swapper/008:51:580
2342199112,6cyclictest0-21swapper/007:59:010
2342199110,2cyclictest0-21swapper/007:35:140
2342199110,10cyclictest29271-21kworker/u8:007:50:050
2342199110,10cyclictest0-21swapper/010:10:160
2342199110,10cyclictest0-21swapper/009:40:130
2342499107,2cyclictest16041-21kworker/u8:108:24:043
2342499107,2cyclictest0-21swapper/308:00:013
2342399105,3cyclictest28568-21grep07:20:172
2342299107,2cyclictest9201-21kworker/u8:208:07:041
2342299107,2cyclictest23796-21kworker/u8:207:15:041
2342299107,2cyclictest0-21swapper/108:45:101
2342299100,8cyclictest0-21swapper/107:35:101
2342299100,2cyclictest0-21swapper/107:40:181
2342199102,6cyclictest0-21swapper/009:09:580
2342199102,5cyclictest0-21swapper/007:16:010
2342199100,9cyclictest0-21swapper/007:40:060
2342199100,7cyclictest0-21swapper/008:44:020
2342199100,7cyclictest0-21swapper/008:21:580
234249996,2cyclictest0-21swapper/308:10:123
234239994,3cyclictest26000-21kworker/2:008:50:122
234229990,8cyclictest0-21swapper/108:40:101
234219994,3cyclictest16486-21aten2.4-expect08:15:130
234219991,6cyclictest0-21swapper/008:30:240
234249984,3cyclictest6320-21gdbus08:35:043
234219980,7cyclictest0-21swapper/008:06:580
234219980,6cyclictest0-21swapper/008:25:230
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