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2026-07-15 - 15:41

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Wed Jul 15, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10379211894,19sleep00-21swapper/007:05:470
10996211295,12sleep30-21swapper/307:08:353
10350210384,13sleep10-21swapper/107:05:321
931529777,15sleep20-21swapper/207:05:052
144132740,0sleep10-21swapper/108:35:181
247162720,0sleep10-21swapper/110:45:351
135822710,0sleep20-21swapper/212:14:112
319022690,0sleep20-21swapper/208:00:142
131392610,1sleep00-21swapper/007:15:000
1113599250,23cyclictest0-21swapper/109:10:121
1113799240,23cyclictest0-21swapper/311:00:033
1113599220,20cyclictest0-21swapper/111:00:031
216662210,0sleep10-21swapper/111:15:291
1113599210,19cyclictest0-21swapper/109:15:111
1113799200,2cyclictest0-21swapper/309:10:113
1113599200,18cyclictest0-21swapper/111:10:121
11135991815,2cyclictest7037-21kworker/u8:111:06:041
11135991815,2cyclictest12-21rcu_preempt09:55:111
1113799170,15cyclictest0-21swapper/310:15:153
1113699174,11cyclictest31019-21sendmail-mta09:13:382
11135991712,3cyclictest869-21kworker/u8:210:56:051
11134991714,2cyclictest26796-21kworker/u8:112:30:040
11134991714,2cyclictest23606-21kworker/u8:211:52:010
11137991611,3cyclictest18609-21sed10:06:053
1113799160,3cyclictest32149-21munin-node3
11135991613,2cyclictest11124-21kworker/u8:011:42:041
1113599160,14cyclictest0-21swapper/110:27:381
1113599160,14cyclictest0-21swapper/108:25:181
1113499161,3cyclictest671-21sed10:21:030
1113499160,14cyclictest7560-21aten2.4_r3power08:20:120
1113799151,3cyclictest12247-21df10:00:133
11137991510,3cyclictest6697-21ssh10:27:153
1113799150,13cyclictest0-21swapper/311:19:553
1113799150,13cyclictest0-21swapper/311:06:153
1113799150,13cyclictest0-21swapper/310:46:463
11136991512,2cyclictest0-21swapper/212:07:192
11136991512,2cyclictest0-21swapper/211:47:402
11136991512,2cyclictest0-21swapper/211:47:392
11136991512,2cyclictest0-21swapper/209:36:202
1113699150,3cyclictest2376-21ssh09:16:192
1113699150,3cyclictest0-21swapper/211:24:192
11135991512,2cyclictest18658-21kworker/u8:210:44:041
11135991512,2cyclictest13623-21kworker/u8:010:38:041
11135991511,2cyclictest1697-21kworker/u8:211:37:041
1113599150,13cyclictest27483-21diskmemload09:43:171
1113599150,13cyclictest0-21swapper/110:13:171
1113499151,3cyclictest16987-21rm09:31:080
1113499151,3cyclictest0-21swapper/011:46:050
1113499151,3cyclictest0-21swapper/011:46:050
11134991512,2cyclictest8272-21kworker/u8:110:49:040
11134991512,2cyclictest0-21swapper/010:03:430
1113499151,12cyclictest0-21swapper/007:25:140
292652140,2sleep00-21swapper/009:44:580
135172140,0sleep20-21swapper/211:07:162
1113799149,3cyclictest24104-21switchtime11:51:013
1113799142,7cyclictest18290-21ssh10:40:013
1113799142,6cyclictest0-21swapper/310:15:013
11137991411,2cyclictest0-21swapper/312:22:163
11137991411,2cyclictest0-21swapper/312:15:053
11137991411,2cyclictest0-21swapper/311:46:253
11137991411,2cyclictest0-21swapper/311:46:253
11137991410,2cyclictest0-21swapper/311:12:483
1113799140,2cyclictest0-21swapper/309:15:143
1113799140,13cyclictest0-21swapper/310:21:263
1113799140,13cyclictest0-21swapper/308:16:053
1113799140,12cyclictest18544-21ssh09:33:313
1113799140,12cyclictest10596-21ssh12:10:173
1113799140,12cyclictest0-21swapper/311:38:113
1113799140,12cyclictest0-21swapper/309:56:053
1113799140,12cyclictest0-21swapper/309:41:563
1113699149,3cyclictest6057-21fschecks_time08:15:152
11136991411,2cyclictest0-21swapper/212:00:392
11136991411,2cyclictest0-21swapper/211:35:492
11136991411,2cyclictest0-21swapper/210:42:392
11136991411,2cyclictest0-21swapper/210:36:502
11136991411,2cyclictest0-21swapper/210:25:092
11136991411,2cyclictest0-21swapper/210:18:212
11136991411,2cyclictest0-21swapper/208:50:192
1113699140,3cyclictest7913-21ssh09:22:022
1113699140,13cyclictest0-21swapper/210:49:192
1113699140,13cyclictest0-21swapper/209:29:592
1113699140,12cyclictest29835-21ssh10:50:532
1113699140,12cyclictest27483-21diskmemload11:59:532
1113699140,12cyclictest16060-21irqstats07:20:162
1113699140,12cyclictest0-21swapper/209:58:302
1113699140,12cyclictest0-21swapper/209:51:522
1113599149,3cyclictest0-21swapper/109:20:171
11135991411,2cyclictest0-21swapper/111:33:471
11135991410,2cyclictest0-21swapper/112:10:561
11135991410,2cyclictest0-21swapper/109:51:251
11135991410,2cyclictest0-21swapper/107:20:191
1113599140,2cyclictest0-21swapper/111:55:041
1113599140,12cyclictest171172sleep110:05:141
1113599140,12cyclictest0-21swapper/112:34:531
1113599140,12cyclictest0-21swapper/112:29:391
1113499141,11cyclictest2005-21ssh10:55:320
1113499141,11cyclictest0-21swapper/012:22:460
1113499140,3cyclictest4932-21ssh09:19:580
1113499140,2cyclictest0-21swapper/009:10:120
1113499140,13cyclictest0-21swapper/009:00:130
1113499140,12cyclictest0-21swapper/009:22:380
69812130,2sleep00-21swapper/011:34:210
267812130,2sleep00-21swapper/012:27:000
18902130,2sleep00-21swapper/012:01:270
1113799138,3cyclictest25706-21df11:20:143
1113799132,6cyclictest29379-21copy07:55:003
11137991310,2cyclictest0-21swapper/312:29:553
11137991310,2cyclictest0-21swapper/312:07:153
11137991310,2cyclictest0-21swapper/311:57:233
11137991310,2cyclictest0-21swapper/310:40:153
11137991310,2cyclictest0-21swapper/309:25:143
11137991310,2cyclictest0-21swapper/309:20:573
11137991310,2cyclictest0-21swapper/308:25:403
1113799130,2cyclictest0-21swapper/308:51:063
1113799130,2cyclictest0-21swapper/308:30:593
1113799130,2cyclictest0-21swapper/308:30:583
1113799130,12cyclictest0-21swapper/312:35:183
1113799130,12cyclictest0-21swapper/310:53:453
1113799130,12cyclictest0-21swapper/309:49:563
11136991310,2cyclictest27483-21diskmemload11:16:242
11136991310,2cyclictest10739-21kworker/u8:010:20:012
11136991310,2cyclictest0-21swapper/212:30:502
11136991310,2cyclictest0-21swapper/212:26:332
11136991310,2cyclictest0-21swapper/212:16:142
11136991310,2cyclictest0-21swapper/211:50:202
11136991310,2cyclictest0-21swapper/211:30:092
11136991310,2cyclictest0-21swapper/210:30:312
11136991310,2cyclictest0-21swapper/210:12:242
11136991310,2cyclictest0-21swapper/210:06:042
11136991310,2cyclictest0-21swapper/209:45:032
11136991310,2cyclictest0-21swapper/209:40:442
1113699130,2cyclictest0-21swapper/209:32:222
1113699130,2cyclictest0-21swapper/208:31:012
1113699130,2cyclictest0-21swapper/208:31:012
1113699130,2cyclictest0-21swapper/207:55:522
1113699130,12cyclictest0-21swapper/212:37:052
1113699130,12cyclictest0-21swapper/211:41:592
1113699130,12cyclictest0-21swapper/211:26:412
1113699130,12cyclictest0-21swapper/211:10:432
1113699130,12cyclictest0-21swapper/210:00:332
1113699130,12cyclictest0-21swapper/209:01:032
1113699130,12cyclictest0-21swapper/208:35:302
1113699130,12cyclictest0-21swapper/207:30:012
1113699130,11cyclictest0-21swapper/209:05:212
1113599139,2cyclictest1016-21updatedb.mlocat08:04:181
1113599132,6cyclictest0-21swapper/109:05:001
1113599131,9cyclictest0-21swapper/109:45:141
1113599131,3cyclictest8494-21wc08:20:191
11135991310,2cyclictest7145-21kworker/u8:112:15:041
11135991310,2cyclictest29201-21kworker/u8:009:38:051
11135991310,2cyclictest0-21swapper/112:38:441
11135991310,2cyclictest0-21swapper/112:08:041
11135991310,2cyclictest0-21swapper/111:50:571
11135991310,2cyclictest0-21swapper/111:20:151
11135991310,2cyclictest0-21swapper/110:50:141
11135991310,2cyclictest0-21swapper/110:21:561
1113599130,2cyclictest0-21swapper/112:20:121
1113599130,2cyclictest0-21swapper/109:00:121
1113599130,12cyclictest0-21swapper/112:01:081
1113599130,12cyclictest0-21swapper/111:25:281
1113599130,12cyclictest0-21swapper/109:26:371
1113599130,12cyclictest0-21swapper/109:00:001
1113599130,11cyclictest27483-21diskmemload10:16:161
1113599130,11cyclictest27483-21diskmemload10:03:181
11134991310,2cyclictest5517-21apt-get08:15:130
11134991310,2cyclictest19883-21kworker/u8:109:39:050
11134991310,2cyclictest0-21swapper/012:15:130
11134991310,2cyclictest0-21swapper/012:06:490
11134991310,2cyclictest0-21swapper/011:00:280
11134991310,2cyclictest0-21swapper/010:50:150
11134991310,2cyclictest0-21swapper/009:56:340
11134991310,2cyclictest0-21swapper/009:50:290
11134991310,2cyclictest0-21swapper/009:25:170
1113499130,2cyclictest0-21swapper/011:25:190
1113499130,2cyclictest0-21swapper/011:06:050
1113499130,2cyclictest0-21swapper/010:39:390
1113499130,12cyclictest25698-21apt-get09:05:140
1113499130,12cyclictest17292-21ssh11:11:030
1113499130,12cyclictest0-21swapper/011:42:000
1113499130,12cyclictest0-21swapper/011:37:190
1113499130,12cyclictest0-21swapper/010:10:180
1113499130,12cyclictest0-21swapper/007:35:130
1113499130,11cyclictest0-21swapper/011:55:550
1113799129,2cyclictest0-21swapper/310:30:163
1113799127,3cyclictest22048-21diskstats08:55:153
1113799122,7cyclictest0-21swapper/309:03:583
1113799122,7cyclictest0-21swapper/308:42:013
1113799120,2cyclictest0-21swapper/312:33:313
1113799120,2cyclictest0-21swapper/311:41:013
1113799120,2cyclictest0-21swapper/311:25:573
1113799120,2cyclictest0-21swapper/310:55:013
1113799120,2cyclictest0-21swapper/309:35:063
1113799120,2cyclictest0-21swapper/308:10:173
1113799120,2cyclictest0-21swapper/308:03:393
1113799120,11cyclictest0-21swapper/311:30:063
1113799120,11cyclictest0-21swapper/309:05:193
1113799120,11cyclictest0-21swapper/308:45:183
1113799120,11cyclictest0-21swapper/308:20:143
1113699129,2cyclictest0-21swapper/212:20:132
1113699129,2cyclictest0-21swapper/211:02:142
11136991210,1cyclictest0-21swapper/208:10:162
1113699120,11cyclictest0-21swapper/210:55:182
1113699120,11cyclictest0-21swapper/208:20:162
1113599129,2cyclictest19680-21kworker/u8:107:15:041
1113599129,2cyclictest0-21swapper/110:30:271
1113599129,2cyclictest0-21swapper/108:11:041
1113599129,2cyclictest0-21swapper/107:25:151
1113599128,2cyclictest0-21swapper/107:45:111
1113599127,3cyclictest23980-21cut07:40:141
1113599121,9cyclictest0-21swapper/108:30:131
1113599121,9cyclictest0-21swapper/108:30:131
1113599120,2cyclictest0-21swapper/111:46:021
1113599120,2cyclictest0-21swapper/111:46:011
1113599120,1cyclictest0-21swapper/108:50:211
1113599120,1cyclictest0-21swapper/108:40:171
1113599120,11cyclictest0-21swapper/109:30:141
1113599120,11cyclictest0-21swapper/108:15:401
1113599120,11cyclictest0-21swapper/107:35:181
1113599120,11cyclictest0-21swapper/107:10:401
1113499129,2cyclictest22024-21kworker/u8:111:23:040
1113499129,2cyclictest0-21swapper/012:35:190
1113499129,2cyclictest0-21swapper/008:31:010
1113499129,2cyclictest0-21swapper/008:31:010
1113499129,2cyclictest0-21swapper/007:55:170
1113499128,3cyclictest21051-21sh10:41:470
1113499120,2cyclictest0-21swapper/009:45:190
1113499120,11cyclictest0-21swapper/012:10:120
1113499120,11cyclictest0-21swapper/008:50:320
1113499120,11cyclictest0-21swapper/007:50:140
1113499120,11cyclictest0-21swapper/007:49:380
232502110,2sleep20-21swapper/208:57:392
199912110,0sleep00-21swapper/010:07:580
172652110,2sleep00-21swapper/008:43:310
155592110,1sleep3381ktimersoftd/308:40:003
1113799118,2cyclictest0-21swapper/309:50:143
1113799111,8cyclictest1710-21munin-node3
1113799111,6cyclictest0-21swapper/307:35:003
1113799111,6cyclictest0-21swapper/307:11:023
1113699118,2cyclictest0-21swapper/208:41:022
1113699118,2cyclictest0-21swapper/207:41:032
1113599118,2cyclictest27648-21kworker/u8:108:09:041
1113599116,3cyclictest18456-21grep08:45:191
1113599116,3cyclictest0-21swapper/107:55:171
1113499118,2cyclictest869-21kworker/u8:211:16:050
1113499118,2cyclictest0-21swapper/010:15:150
1113499111,9cyclictest0-21swapper/010:30:320
1113799105,3cyclictest25816-21cpuspeed_turbos07:45:133
1113799104,4cyclictest31381-21sh08:00:003
1113799102,5cyclictest0-21swapper/307:29:013
1113799101,7cyclictest0-21swapper/307:35:013
1113799100,9cyclictest0-21swapper/307:43:253
1113799100,8cyclictest0-21swapper/307:15:133
1113699107,2cyclictest0-21swapper/208:25:302
1113699100,9cyclictest11510-21kworker/u8:207:27:042
1113599100,2cyclictest0-21swapper/107:50:131
1113599100,2cyclictest0-21swapper/107:30:131
1113499107,2cyclictest11510-21kworker/u8:207:30:040
1113499107,2cyclictest0-21swapper/008:11:020
1113499104,2cyclictest14162-21missed_timers07:15:170
1113499100,2cyclictest0-21swapper/010:29:130
111379994,3cyclictest16413-21chrt07:20:373
111369994,3cyclictest21641-21cut07:35:142
111369990,8cyclictest0-21swapper/207:53:432
111349994,3cyclictest14471-21sh08:35:190
111369985,2cyclictest27648-21kworker/u8:108:46:022
111369985,2cyclictest0-21swapper/207:10:402
111369984,2cyclictest13484-21telnet07:15:132
111369983,3cyclictest25539-21munin-node2
111369980,6cyclictest1482-21sh08:05:142
111349985,2cyclictest23816-21cpuspeed_turbos07:40:130
111349985,2cyclictest0-21swapper/008:05:180
111349984,3cyclictest21633-21gdbus08:55:040
111349983,3cyclictest3728-21runrttasks08:47:010
111349983,3cyclictest160652sleep007:20:160
111349983,3cyclictest10097-21fschecks_time08:25:140
111349980,7cyclictest0-21swapper/008:00:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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