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2026-06-22 - 19:31

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 all highest latencies:
System rack3slot6s.osadl.org (updated Mon Jun 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238672126115,6sleep30-21swapper/307:06:513
238672126115,6sleep30-21swapper/307:06:513
23827211995,19sleep00-21swapper/007:06:200
23827211995,19sleep00-21swapper/007:06:190
23880211693,18sleep10-21swapper/107:07:011
23880211693,18sleep10-21swapper/107:07:011
23876210089,6sleep20-21swapper/207:06:582
23876210089,6sleep20-21swapper/207:06:582
324792870,1sleep10-21swapper/107:30:121
320952720,0sleep00-21swapper/011:54:360
171312710,0sleep00-21swapper/011:02:500
12862680,0sleep10-21swapper/110:45:441
211102640,1sleep337-21rcuc/308:20:143
24143993817,19cyclictest0-21swapper/211:45:112
24142993615,19cyclictest0-21swapper/109:25:121
2414199340,2cyclictest0-21swapper/012:35:100
145372270,1sleep0101ktimersoftd/008:05:120
24141992617,8cyclictest0-21swapper/008:45:120
166262240,1sleep20-21swapper/209:18:232
128372240,1sleep00-21swapper/010:23:580
2414399220,20cyclictest0-21swapper/207:55:132
24143992017,2cyclictest29954-21kworker/u8:009:38:052
24143992017,2cyclictest27607-21kworker/u8:011:51:042
24143992017,2cyclictest24687-21kworker/u8:109:28:042
24143992015,3cyclictest5401-21ssh12:35:092
2414299200,18cyclictest0-21swapper/109:05:121
290552190,1sleep30-21swapper/311:15:243
24143991916,2cyclictest9675-21kworker/u8:110:42:052
24143991916,2cyclictest8096-21kworker/u8:112:12:052
24143991916,2cyclictest7851-21kworker/u8:010:27:052
24143991916,2cyclictest7851-21kworker/u8:009:50:042
24143991916,2cyclictest4027-21kworker/u8:209:32:052
24143991916,2cyclictest4027-21kworker/u8:209:24:022
24143991916,2cyclictest31389-21kworker/u8:111:20:062
24143991916,2cyclictest30737-21kworker/u8:011:07:052
24143991916,2cyclictest30737-21kworker/u8:010:53:052
24143991916,2cyclictest30276-21kworker/u8:208:49:052
24143991916,2cyclictest22083-21kworker/u8:008:34:052
24143991916,2cyclictest12560-21kworker/u8:111:35:042
24143991915,3cyclictest12560-21kworker/u8:111:34:052
2414299191,16cyclictest0-21swapper/107:50:121
94092180,1sleep1221ktimersoftd/112:05:001
24143991815,2cyclictest30495-21kworker/u8:208:11:042
24143991815,2cyclictest30495-21kworker/u8:208:09:052
24143991815,2cyclictest30495-21kworker/u8:207:44:052
24143991815,2cyclictest22981-21kworker/u8:110:04:062
24143991815,2cyclictest22083-21kworker/u8:008:55:052
24143991815,2cyclictest22083-21kworker/u8:008:27:042
24143991714,2cyclictest7851-21kworker/u8:010:24:022
24143991714,2cyclictest4027-21kworker/u8:209:01:042
24143991714,2cyclictest30737-21kworker/u8:011:01:042
24143991714,2cyclictest30495-21kworker/u8:208:02:042
24143991714,2cyclictest30276-21kworker/u8:208:50:022
24143991714,2cyclictest2732-21kworker/u8:210:16:042
24143991714,2cyclictest26634-21kworker/u8:108:42:052
24143991714,2cyclictest23695-21kworker/u8:107:32:052
24143991714,2cyclictest22083-21kworker/u8:008:35:042
24143991714,2cyclictest19846-21kworker/u8:007:20:052
24143991714,2cyclictest19846-21kworker/u8:007:17:042
24143991714,2cyclictest17275-21kworker/u8:311:10:042
2414399170,2cyclictest0-21swapper/211:58:062
2414399170,16cyclictest0-21swapper/212:20:052
2414399170,15cyclictest0-21swapper/209:59:052
2414299171,14cyclictest7158-21ntp_states07:45:191
24144991611,3cyclictest28439-21munin-run08:39:593
24143991613,2cyclictest30495-21kworker/u8:207:45:032
24143991613,2cyclictest27607-21kworker/u8:012:02:042
2414399160,3cyclictest28465-21aten2.4_r3power12:25:112
2414399160,3cyclictest0-21swapper/209:06:022
2414299161,13cyclictest0-21swapper/107:11:031
2414199161,3cyclictest0-21swapper/010:42:310
2414499151,3cyclictest0-21swapper/307:25:153
2414499150,13cyclictest1282-21timerwakeupswit09:36:023
24143991512,2cyclictest30495-21kworker/u8:207:51:032
2414399150,4cyclictest0-21swapper/210:59:052
2414399150,2cyclictest0-21swapper/209:10:022
24142991511,2cyclictest5115-21ntp_kernel_err07:40:151
2414299150,3cyclictest0-21swapper/107:25:051
2414299150,13cyclictest8266-21diskmemload10:40:391
2414299150,13cyclictest17328-21kworker/u8:210:38:051
2414299150,13cyclictest17328-21kworker/u8:210:38:041
2414299150,13cyclictest0-21swapper/112:33:381
2414299150,13cyclictest0-21swapper/109:34:291
24141991510,3cyclictest32432-21ssh10:45:110
24141991510,3cyclictest0-21swapper/010:28:140
2414499140,12cyclictest0-21swapper/310:50:123
24143991411,2cyclictest22083-21kworker/u8:008:23:042
2414399141,11cyclictest0-21swapper/212:18:512
2414399140,2cyclictest0-21swapper/210:34:052
2414399140,2cyclictest0-21swapper/210:05:052
2414399140,2cyclictest0-21swapper/209:41:042
2414399140,2cyclictest0-21swapper/207:28:052
2414399140,1cyclictest0-21swapper/207:13:042
2414399140,12cyclictest0-21swapper/212:05:192
2414399140,12cyclictest0-21swapper/210:11:032
2414299149,3cyclictest0-21swapper/111:48:221
2414299141,2cyclictest0-21swapper/109:00:121
2414299140,2cyclictest7803-21ssh09:43:381
2414299140,13cyclictest0-21swapper/111:17:391
2414299140,12cyclictest8266-21diskmemload10:04:591
2414299140,12cyclictest0-21swapper/111:34:481
2414299140,12cyclictest0-21swapper/111:02:561
2414199141,2cyclictest14037-21apt-get12:10:060
24141991411,2cyclictest2573-1kworker/u9:009:38:210
2414199140,13cyclictest0-21swapper/009:30:130
2414199140,12cyclictest23068-21cron11:44:590
2414199140,12cyclictest0-21swapper/010:39:510
2414199140,12cyclictest0-21swapper/010:39:510
2414199140,12cyclictest0-21swapper/010:31:030
197122140,3sleep319953-21unixbench_multi08:16:023
150822140,1sleep3381ktimersoftd/312:10:153
60972130,2sleep16107-21ssh11:25:241
2414499139,2cyclictest27450jbd2/sda1-808:01:123
2414499132,6cyclictest24420-21copy08:30:003
2414499132,6cyclictest0-21swapper/309:25:003
2414499132,6cyclictest0-21swapper/307:40:013
2414499132,6cyclictest0-21swapper/307:15:013
2414499131,3cyclictest29055-21df_inode08:40:133
2414499130,11cyclictest0-21swapper/310:30:513
2414399132,6cyclictest0-21swapper/208:20:002
24143991310,2cyclictest0-21swapper/210:36:522
24143991310,2cyclictest0-21swapper/210:36:512
2414399130,3cyclictest8266-21diskmemload11:19:592
2414399130,2cyclictest0-21swapper/211:42:052
2414299132,6cyclictest0-21swapper/108:10:011
24142991310,2cyclictest0-21swapper/111:58:311
24142991310,2cyclictest0-21swapper/111:20:071
24142991310,2cyclictest0-21swapper/110:50:121
24142991310,2cyclictest0-21swapper/110:33:121
24142991310,2cyclictest0-21swapper/110:06:201
24142991310,2cyclictest0-21swapper/109:55:161
24142991310,2cyclictest0-21swapper/109:54:491
24142991310,2cyclictest0-21swapper/108:35:151
24142991310,2cyclictest0-21swapper/107:55:151
2414299130,2cyclictest8266-21diskmemload12:20:251
2414299130,2cyclictest8266-21diskmemload12:19:381
2414299130,2cyclictest8266-21diskmemload11:40:191
2414299130,2cyclictest0-21swapper/112:27:071
2414299130,2cyclictest0-21swapper/111:10:051
2414299130,2cyclictest0-21swapper/110:56:041
2414299130,2cyclictest0-21swapper/110:21:191
2414299130,2cyclictest0-21swapper/110:17:471
2414299130,2cyclictest0-21swapper/108:00:111
2414299130,1cyclictest0-21swapper/109:10:591
2414299130,12cyclictest0-21swapper/112:39:091
2414299130,12cyclictest0-21swapper/112:05:391
2414299130,12cyclictest0-21swapper/111:51:541
2414299130,12cyclictest0-21swapper/111:08:221
2414299130,12cyclictest0-21swapper/109:21:091
2414299130,12cyclictest0-21swapper/107:15:161
2414299130,11cyclictest0-21swapper/112:11:171
2414199139,2cyclictest0-21swapper/009:13:440
24141991310,2cyclictest0-21swapper/012:18:190
24141991310,2cyclictest0-21swapper/011:47:500
24141991310,2cyclictest0-21swapper/010:55:110
24141991310,2cyclictest0-21swapper/010:01:540
2414199130,2cyclictest0-21swapper/012:25:140
2414199130,2cyclictest0-21swapper/010:50:120
2414199130,2cyclictest0-21swapper/010:06:030
2414199130,2cyclictest0-21swapper/009:42:190
2414199130,2cyclictest0-21swapper/009:15:490
2414199130,2cyclictest0-21swapper/008:20:170
89762120,2sleep30-21swapper/312:04:263
78602120,2sleep20-21swapper/211:27:372
2414499127,3cyclictest0-21swapper/309:28:453
2414499122,6cyclictest0-21swapper/311:55:003
2414499122,6cyclictest0-21swapper/311:30:013
2414499122,5cyclictest0-21swapper/312:29:593
2414499122,5cyclictest0-21swapper/307:25:003
2414499121,9cyclictest0-21swapper/311:31:043
2414499121,6cyclictest0-21swapper/312:00:003
2414499121,6cyclictest0-21swapper/307:50:003
2414499120,2cyclictest0-21swapper/308:10:143
2414499120,11cyclictest0-21swapper/309:50:153
2414499120,11cyclictest0-21swapper/309:11:023
2414499120,10cyclictest0-21swapper/310:40:153
2414399122,6cyclictest0-21swapper/210:46:012
2414399120,11cyclictest0-21swapper/212:31:222
2414399120,11cyclictest0-21swapper/209:45:232
2414299129,2cyclictest0-21swapper/109:45:371
2414299121,9cyclictest21353-21sshd08:20:161
2414299121,9cyclictest0-21swapper/110:10:191
2414299120,3cyclictest0-21swapper/107:20:151
2414299120,2cyclictest0-21swapper/108:25:381
2414299120,2cyclictest0-21swapper/108:10:171
2414299120,11cyclictest0-21swapper/111:36:561
2414299120,11cyclictest0-21swapper/110:25:191
2414299120,11cyclictest0-21swapper/109:35:061
2414299120,11cyclictest0-21swapper/108:56:011
2414299120,11cyclictest0-21swapper/108:30:021
2414299120,10cyclictest0-21swapper/109:15:391
2414199129,2cyclictest0-21swapper/012:30:500
2414199129,2cyclictest0-21swapper/012:20:170
2414199129,2cyclictest0-21swapper/012:01:240
2414199129,2cyclictest0-21swapper/009:54:240
2414199129,2cyclictest0-21swapper/009:25:340
2414199129,2cyclictest0-21swapper/009:21:370
2414199129,2cyclictest0-21swapper/008:30:120
2414199129,2cyclictest0-21swapper/007:30:120
2414199127,3cyclictest8057-21munin-run07:50:010
2414199120,2cyclictest0-21swapper/011:21:340
2414199120,2cyclictest0-21swapper/011:05:150
2414199120,2cyclictest0-21swapper/007:20:390
2414199120,11cyclictest0-21swapper/012:05:010
2414199120,11cyclictest0-21swapper/011:25:230
2414199120,11cyclictest0-21swapper/010:11:140
2414199120,11cyclictest0-21swapper/009:55:140
2414199120,11cyclictest0-21swapper/009:45:160
2414199120,11cyclictest0-21swapper/008:10:180
2414199120,11cyclictest0-21swapper/007:10:400
2414199120,10cyclictest0-21swapper/011:33:270
2414199120,10cyclictest0-21swapper/007:55:130
85442110,0sleep30-21swapper/310:19:313
49332110,7sleep30-21swapper/312:34:453
2414499117,3cyclictest0-21swapper/311:00:163
2414499117,2cyclictest0-21swapper/310:56:073
2414499116,3cyclictest7606-21ssh09:43:203
2414499116,3cyclictest6289-21cut12:35:153
2414499112,6cyclictest0-21swapper/311:11:003
2414499111,7cyclictest0-21swapper/307:19:593
2414499110,9cyclictest0-21swapper/310:22:543
2414299117,2cyclictest0-21swapper/108:40:121
2414299111,3cyclictest0-21swapper/108:46:011
2414299110,9cyclictest30495-21kworker/u8:208:15:051
2414299110,9cyclictest0-21swapper/108:50:131
2414299110,9cyclictest0-21swapper/107:35:121
2414199118,2cyclictest30223-21copy07:25:010
2414199118,2cyclictest0-21swapper/011:16:540
2414199118,2cyclictest0-21swapper/011:10:240
2414199118,2cyclictest0-21swapper/008:41:020
2414199118,2cyclictest0-21swapper/007:16:010
2414199111,6cyclictest0-21swapper/007:42:410
2414199110,7cyclictest0-21swapper/011:36:330
2414199110,10cyclictest0-21swapper/011:59:570
2414199110,10cyclictest0-21swapper/010:15:240
2414199110,10cyclictest0-21swapper/008:01:060
2414199110,10cyclictest0-21swapper/007:54:390
219112110,1sleep3381ktimersoftd/311:08:063
207452110,1sleep30-21swapper/309:57:133
309362100,1sleep38266-21diskmemload09:33:563
2414499107,2cyclictest8266-21diskmemload10:11:213
2414499107,2cyclictest0-21swapper/310:25:183
2414499106,2cyclictest128792sleep309:49:303
2414499105,3cyclictest23995-21tr12:20:133
2414499105,3cyclictest23309-21tune2fs10:00:143
2414499104,4cyclictest1823-21sshd08:52:403
2414499102,6cyclictest0-21swapper/310:49:093
2414499102,5cyclictest0-21swapper/307:59:023
2414499100,9cyclictest0-21swapper/310:35:163
2414499100,9cyclictest0-21swapper/310:35:153
2414499100,8cyclictest9366-21copy12:05:033
2414499100,8cyclictest0-21swapper/311:40:073
2414499100,3cyclictest25465-21ssh11:46:173
2414499100,2cyclictest0-21swapper/310:05:193
2414399107,2cyclictest0-21swapper/207:35:172
2414199105,3cyclictest27482-21grep08:35:180
2414199102,6cyclictest0-21swapper/009:07:580
2414199100,8cyclictest0-21swapper/007:40:010
150732100,1sleep30-21swapper/309:16:043
241449994,3cyclictest507-21fschecks_time07:30:143
241449994,3cyclictest397-21cpuspeed_turbos11:20:113
241449994,3cyclictest39-21ksoftirqd/307:44:143
241449994,3cyclictest3728-21runrttasks09:00:123
241449994,3cyclictest3728-21runrttasks08:49:133
241449994,3cyclictest2658-21fschecks_count08:55:143
241449994,3cyclictest18985-21sh12:15:063
241449994,3cyclictest15057-21fschecks_time08:05:153
241449994,3cyclictest14243-21basename11:35:123
241449991,3cyclictest0-21swapper/309:05:133
241449990,7cyclictest0-21swapper/307:50:123
241419994,3cyclictest3728-21runrttasks08:50:420
241419992,6cyclictest0-21swapper/008:17:470
241449980,2cyclictest24420-21copy08:30:013
241419983,3cyclictest5281-21needreboot09:00:180
241419983,3cyclictest2759-21fschecks_time08:55:150
241419983,3cyclictest22709-21aten2.4-expect08:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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