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2026-03-10 - 15:58

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 792 highest latencies:
System rack3slot6s.osadl.org (updated Tue Mar 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16342211898,14sleep00-21swapper/007:08:200
16151210989,13sleep10-21swapper/107:06:041
16271210689,12sleep20-21swapper/207:07:252
1585429777,13sleep30-21swapper/307:06:013
101102810,1sleep00-21swapper/011:26:010
28842760,0sleep30-21swapper/307:55:123
137762510,1sleep30-21swapper/310:58:063
110742240,0sleep10-21swapper/110:55:171
8152230,0sleep30-21swapper/310:13:583
16500992314,7cyclictest0-21swapper/111:30:111
1650199221,19cyclictest0-21swapper/208:40:112
1650199210,19cyclictest0-21swapper/207:40:102
1650099200,2cyclictest0-21swapper/109:25:121
16499992015,3cyclictest7145-21ssh10:20:080
16762190,0sleep20-21swapper/209:42:262
16501991915,2cyclictest0-21swapper/210:30:102
16500991914,3cyclictest21630-21ssh12:10:111
1650099191,16cyclictest0-21swapper/107:35:011
16502991815,2cyclictest6468-21ssh11:55:103
16502991814,2cyclictest14564-21ssh12:35:123
152112180,0sleep10-21swapper/110:27:271
1650099171,14cyclictest0-21swapper/111:28:121
147532170,0sleep20-21swapper/210:26:482
1650299160,2cyclictest0-21swapper/309:29:563
1650299160,14cyclictest0-21swapper/310:15:063
1649999161,2cyclictest20222-21latency_hist11:04:590
1649999160,3cyclictest27261-21cut10:39:590
16502991512,2cyclictest0-21swapper/310:06:453
16502991512,2cyclictest0-21swapper/307:10:163
1650199152,7cyclictest28454-21ssh11:45:002
16500991511,2cyclictest611-21apt-get09:10:111
16499991510,3cyclictest23609-21ssh11:40:110
1649999150,13cyclictest1148-21fschecks_time09:10:150
1649999150,13cyclictest0-21swapper/010:26:450
16502991411,2cyclictest0-21swapper/312:27:463
16502991411,2cyclictest0-21swapper/310:21:063
16502991411,2cyclictest0-21swapper/309:56:263
1650299140,2cyclictest0-21swapper/311:43:463
1650299140,2cyclictest0-21swapper/311:17:263
1650299140,2cyclictest0-21swapper/311:00:563
1650299140,2cyclictest0-21swapper/310:29:363
1650299140,13cyclictest0-21swapper/312:08:463
1650299140,13cyclictest0-21swapper/310:52:363
1650299140,12cyclictest28434-21rm07:36:333
1650299140,12cyclictest25359-21ssh10:37:293
1650299140,12cyclictest0-21swapper/311:35:193
1650299140,12cyclictest0-21swapper/311:30:123
1650199149,3cyclictest25132-21ssh12:13:142
1650199142,7cyclictest32758-21ssh09:10:012
1650199142,7cyclictest0-21swapper/208:15:002
1650199142,6cyclictest0-21swapper/212:10:012
16501991411,2cyclictest0-21swapper/211:44:342
16501991411,2cyclictest0-21swapper/211:39:032
16501991411,2cyclictest0-21swapper/210:35:042
1650199140,12cyclictest25891-21latency_hist09:35:012
1650199140,12cyclictest0-21swapper/211:31:032
1650199140,12cyclictest0-21swapper/210:41:012
1650199140,12cyclictest0-21swapper/208:35:182
1650199140,12cyclictest0-21swapper/208:35:182
1650099143,6cyclictest0-21swapper/109:00:011
1650099142,7cyclictest4977-21copy10:50:001
1650099142,6cyclictest0-21swapper/110:00:001
16500991410,2cyclictest17663-21ssh11:01:221
16500991410,2cyclictest0-21swapper/112:05:121
1650099140,2cyclictest0-21swapper/109:54:121
1650099140,2cyclictest0-21swapper/108:15:121
1650099140,12cyclictest31936-21ssh11:47:551
1650099140,12cyclictest0-21swapper/111:20:481
1649999149,3cyclictest0-21swapper/008:20:050
16499991411,2cyclictest0-21swapper/009:31:390
16499991410,2cyclictest32750-21diskmemload10:05:100
1649999140,3cyclictest31098-21ssh12:19:330
1649999140,3cyclictest0-21swapper/010:18:540
1649999140,13cyclictest0-21swapper/009:21:100
1650299133,6cyclictest0-21swapper/307:51:003
16502991310,2cyclictest3262-21avahi-daemon12:15:123
16502991310,2cyclictest0-21swapper/311:45:453
16502991310,2cyclictest0-21swapper/311:21:173
16502991310,2cyclictest0-21swapper/311:05:063
16502991310,2cyclictest0-21swapper/310:00:173
16502991310,2cyclictest0-21swapper/309:48:013
16502991310,2cyclictest0-21swapper/309:41:163
16502991310,2cyclictest0-21swapper/309:01:003
1650299130,2cyclictest6842-21ssh09:15:163
1650299130,2cyclictest10000-21runrttasks09:50:173
1650299130,2cyclictest0-21swapper/312:02:523
1650299130,2cyclictest0-21swapper/311:27:283
1650299130,2cyclictest0-21swapper/310:42:063
1650299130,2cyclictest0-21swapper/310:34:273
1650299130,2cyclictest0-21swapper/309:32:263
1650299130,12cyclictest0-21swapper/310:48:263
1650299130,11cyclictest4166-21kworker/u8:008:20:043
1650199132,6cyclictest0-21swapper/212:25:012
1650199132,6cyclictest0-21swapper/212:25:002
16501991310,2cyclictest0-21swapper/212:32:532
16501991310,2cyclictest0-21swapper/211:28:142
16501991310,2cyclictest0-21swapper/210:09:232
16501991310,2cyclictest0-21swapper/210:02:212
16501991310,2cyclictest0-21swapper/209:56:002
16501991310,2cyclictest0-21swapper/209:26:482
1650199130,2cyclictest0-21swapper/212:38:442
1650199130,2cyclictest0-21swapper/212:03:132
1650199130,2cyclictest0-21swapper/210:10:142
1650199130,2cyclictest0-21swapper/209:53:042
1650199130,12cyclictest0-21swapper/211:15:242
1650199130,12cyclictest0-21swapper/211:00:542
1650199130,12cyclictest0-21swapper/210:52:432
1650199130,12cyclictest0-21swapper/210:24:132
1650199130,11cyclictest5744-21ssh12:25:332
1650099139,2cyclictest0-21swapper/107:30:141
1650099138,3cyclictest303-21munin-node1
1650099138,3cyclictest0-21swapper/111:06:421
1650099132,3cyclictest28645-21grep12:16:041
1650099131,10cyclictest24498-21munin-plugin-st07:30:001
1650099131,10cyclictest0-21swapper/109:20:131
16500991310,2cyclictest0-21swapper/112:25:171
16500991310,2cyclictest0-21swapper/111:15:181
16500991310,2cyclictest0-21swapper/110:40:021
16500991310,2cyclictest0-21swapper/110:10:141
16500991310,2cyclictest0-21swapper/107:55:121
1650099130,2cyclictest18956-21mailstats10:31:001
1650099130,2cyclictest0-21swapper/112:31:421
1650099130,12cyclictest0-21swapper/112:37:221
1650099130,12cyclictest0-21swapper/111:36:011
1650099130,12cyclictest0-21swapper/110:15:521
1650099130,11cyclictest0-21swapper/112:00:171
1650099130,11cyclictest0-21swapper/111:50:391
1650099130,11cyclictest0-21swapper/110:20:261
1650099130,11cyclictest0-21swapper/109:49:291
1649999138,3cyclictest0-21swapper/011:19:510
1649999132,7cyclictest0-21swapper/012:30:010
1649999132,6cyclictest0-21swapper/008:40:010
1649999132,6cyclictest0-21swapper/008:40:010
16499991310,2cyclictest3585-21ssh10:48:130
16499991310,2cyclictest0-21swapper/011:21:450
16499991310,2cyclictest0-21swapper/007:36:350
1649999130,2cyclictest6771-21ssh09:47:150
1649999130,2cyclictest0-21swapper/009:37:200
1649999130,2cyclictest0-21swapper/009:00:150
1649999130,12cyclictest0-21swapper/012:01:590
1649999130,12cyclictest0-21swapper/010:10:120
1649999130,12cyclictest0-21swapper/007:30:160
1649999130,11cyclictest0-21swapper/010:57:150
1649999130,11cyclictest0-21swapper/007:20:110
28192120,1sleep00-21swapper/011:50:590
217782120,2sleep00-21swapper/010:01:580
1650299129,2cyclictest0-21swapper/312:21:163
1650299129,2cyclictest0-21swapper/312:21:163
1650299129,2cyclictest0-21swapper/311:53:583
1650299129,2cyclictest0-21swapper/309:36:263
1650299129,2cyclictest0-21swapper/308:35:063
1650299129,2cyclictest0-21swapper/308:35:053
1650299122,7cyclictest4562-21gdm-simple-gree09:08:593
1650299122,6cyclictest17992-21taskset08:31:003
1650299122,6cyclictest17992-21taskset08:30:593
1650299120,2cyclictest0-21swapper/311:10:593
1650299120,2cyclictest0-21swapper/309:21:593
1650299120,2cyclictest0-21swapper/308:05:173
1650299120,11cyclictest0-21swapper/312:31:383
1650299120,11cyclictest0-21swapper/312:11:463
1650299120,11cyclictest0-21swapper/309:11:513
1650299120,11cyclictest0-21swapper/307:30:163
1650199129,2cyclictest14821-21kworker/u8:208:28:052
1650199129,2cyclictest0-21swapper/211:55:442
1650199129,2cyclictest0-21swapper/211:50:482
1650199129,2cyclictest0-21swapper/211:10:022
1650199129,2cyclictest0-21swapper/210:46:122
1650199129,2cyclictest0-21swapper/209:00:112
1650199123,6cyclictest0-21swapper/207:46:002
1650199122,7cyclictest0-21swapper/207:38:592
1650199122,7cyclictest0-21swapper/207:28:592
1650199122,6cyclictest0-21swapper/209:25:012
1650199120,2cyclictest0-21swapper/211:20:192
1650199120,2cyclictest0-21swapper/209:12:472
1650199120,2cyclictest0-21swapper/208:50:172
1650199120,11cyclictest0-21swapper/210:15:112
1650199120,11cyclictest0-21swapper/209:45:102
1650199120,11cyclictest0-21swapper/209:36:342
1650199120,11cyclictest0-21swapper/209:15:172
1650199120,11cyclictest0-21swapper/209:00:012
1650099129,2cyclictest0-21swapper/111:43:361
1650099129,2cyclictest0-21swapper/109:58:541
1650099129,2cyclictest0-21swapper/108:11:021
1650099129,2cyclictest0-21swapper/107:20:371
1650099127,3cyclictest6453-21munin-node1
1650099127,3cyclictest4730-21munin-node1
1650099127,3cyclictest0-21swapper/107:10:161
1650099122,7cyclictest0-21swapper/108:33:591
1650099122,7cyclictest0-21swapper/108:33:581
1650099121,9cyclictest1952-21unixbench_multi10:46:041
1650099121,9cyclictest0-21swapper/109:30:101
1650099121,9cyclictest0-21swapper/108:26:031
1650099121,9cyclictest0-21swapper/108:05:141
1650099121,9cyclictest0-21swapper/107:16:061
1650099121,3cyclictest30955-21munin-node1
16500991210,1cyclictest0-21swapper/108:45:131
1650099120,2cyclictest0-21swapper/109:15:521
1650099120,1cyclictest0-21swapper/110:06:031
1650099120,11cyclictest0-21swapper/112:20:401
1650099120,11cyclictest0-21swapper/112:20:391
1650099120,11cyclictest0-21swapper/109:36:531
1650099120,11cyclictest0-21swapper/108:40:591
1650099120,11cyclictest0-21swapper/107:45:131
1650099120,10cyclictest10918-21kworker/u8:108:21:051
1649999129,2cyclictest0-21swapper/012:30:450
1649999129,2cyclictest0-21swapper/012:22:450
1649999129,2cyclictest0-21swapper/012:22:440
1649999129,2cyclictest0-21swapper/011:46:550
1649999129,2cyclictest0-21swapper/011:37:230
1649999129,2cyclictest0-21swapper/011:07:030
1649999129,2cyclictest0-21swapper/010:51:030
1649999129,2cyclictest0-21swapper/009:50:040
1649999129,2cyclictest0-21swapper/009:17:540
1649999129,2cyclictest0-21swapper/008:31:020
1649999129,2cyclictest0-21swapper/008:31:020
1649999120,2cyclictest0-21swapper/012:39:540
1649999120,2cyclictest0-21swapper/010:42:040
1649999120,2cyclictest0-21swapper/008:55:010
1649999120,11cyclictest0-21swapper/012:11:340
1649999120,11cyclictest0-21swapper/011:58:040
1649999120,11cyclictest0-21swapper/010:32:050
1649999120,11cyclictest0-21swapper/009:55:130
1649999120,11cyclictest0-21swapper/009:41:350
1649999120,11cyclictest0-21swapper/007:10:110
1650299114,4cyclictest0-21swapper/307:16:023
1650299113,5cyclictest0-21swapper/307:41:003
1650299112,7cyclictest0-21swapper/308:51:583
1650299110,10cyclictest0-21swapper/308:56:053
1650199118,2cyclictest0-21swapper/212:16:042
1650199118,2cyclictest0-21swapper/210:55:062
1650199118,2cyclictest0-21swapper/208:30:012
1650199118,2cyclictest0-21swapper/208:30:002
1650199110,2cyclictest0-21swapper/211:05:592
1650099118,2cyclictest0-21swapper/107:40:591
1650099117,2cyclictest0-21swapper/111:10:111
1650099117,2cyclictest0-21swapper/108:50:121
1650099117,2cyclictest0-21swapper/108:35:131
1650099117,2cyclictest0-21swapper/108:35:131
1650099111,3cyclictest0-21swapper/108:56:021
1650099111,3cyclictest0-21swapper/107:51:001
1650099110,10cyclictest0-21swapper/110:36:451
1649999119,1cyclictest0-21swapper/012:06:150
1649999118,2cyclictest0-21swapper/011:31:530
1649999118,2cyclictest0-21swapper/011:12:230
1649999118,2cyclictest0-21swapper/009:28:230
1649999111,8cyclictest0-21swapper/008:29:590
1649999111,5cyclictest0-21swapper/007:45:010
1649999110,3cyclictest0-21swapper/007:55:000
1649999110,10cyclictest0-21swapper/008:00:150
1650299103,4cyclictest0-21swapper/307:25:593
1650299102,7cyclictest0-21swapper/307:47:593
1650299100,9cyclictest0-21swapper/308:40:063
1650299100,7cyclictest0-21swapper/308:16:023
1650199107,2cyclictest0-21swapper/207:10:132
1650199102,6cyclictest0-21swapper/207:24:592
1650199102,5cyclictest0-21swapper/208:21:592
1650199100,8cyclictest0-21swapper/207:52:472
1649999101,5cyclictest0-21swapper/008:15:010
31841290,6sleep00-21swapper/009:05:170
165029996,2cyclictest0-21swapper/308:25:163
165029994,3cyclictest5021-21grep08:00:133
165029992,4cyclictest0-21swapper/308:10:023
165029990,5cyclictest0-21swapper/308:45:053
165019996,2cyclictest20908-21kworker/u8:008:45:052
165019996,2cyclictest0-21swapper/208:15:222
165019994,3cyclictest3368-21missed_timers07:55:172
165019994,3cyclictest19034-21df_abs07:15:142
165019992,3cyclictest0-21swapper/207:35:002
165019991,4cyclictest0-21swapper/208:07:512
164999994,3cyclictest9629-21grep08:10:170
164999994,3cyclictest6976-21cpuspeed_turbos08:05:140
164999994,3cyclictest3728-21runrttasks07:17:550
164999994,3cyclictest29829-21tr07:40:160
164999994,3cyclictest26159-21timerandwakeup08:51:030
164999993,4cyclictest24459-21taskset08:47:010
164999990,8cyclictest0-21swapper/007:28:340
165029980,7cyclictest0-21swapper/307:20:023
165019983,3cyclictest47232sleep208:00:052
164999984,2cyclictest0-21swapper/008:40:100
164999983,3cyclictest2619-21aten2.4_r3power07:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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