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2026-07-31 - 22:35

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 Fri Jul 31, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6901212298,19sleep00-21swapper/007:05:250
6472211394,11sleep20-21swapper/207:05:182
6899210986,18sleep30-21swapper/307:05:233
6907210897,6sleep10-21swapper/107:05:301
209321060,1sleep22092-21ssh09:54:102
297602850,0sleep20-21swapper/210:21:272
321662730,4sleep1770599cyclictest12:05:001
257992710,1sleep2301ktimersoftd/212:31:022
7706992320,2cyclictest30933-21kworker/u8:012:04:052
7706992219,2cyclictest4807-21kworker/u8:011:07:042
198612220,1sleep30-21swapper/311:18:483
7707992118,2cyclictest17646-21kworker/u8:110:11:053
7706992118,2cyclictest9713-21kworker/u8:108:40:042
7706992118,2cyclictest9125-21kworker/u8:210:19:042
7706992118,2cyclictest3779-21kworker/u8:009:25:042
7706992118,2cyclictest24068-21kworker/u8:009:46:052
7706992118,2cyclictest24068-21kworker/u8:009:46:042
7706992118,2cyclictest19407-21kworker/u8:109:20:052
770699211,2cyclictest17209-21ssh10:42:052
770699211,18cyclictest0-21swapper/211:30:042
770699202,17cyclictest0-21swapper/212:16:042
7706992017,2cyclictest824-21kworker/u8:212:12:042
7706992017,2cyclictest4807-21kworker/u8:011:03:052
7706992017,2cyclictest3534-21kworker/u8:208:57:052
7706992017,2cyclictest3534-21kworker/u8:208:45:042
7706992017,2cyclictest29827-21kworker/u8:010:27:052
7706992017,2cyclictest28310-21kworker/u8:011:39:042
7706992017,2cyclictest2463-21kworker/u8:111:18:042
7706992017,2cyclictest2463-21kworker/u8:110:53:042
7706992017,2cyclictest24068-21kworker/u8:009:56:042
7706992017,2cyclictest24068-21kworker/u8:009:56:042
7706992017,2cyclictest17753-21kworker/u8:011:56:052
7706992017,2cyclictest17103-21kworker/u8:112:37:042
7706992017,2cyclictest17103-21kworker/u8:112:28:052
7706992017,2cyclictest16229-21kworker/u8:010:47:042
7706992017,2cyclictest13675-21kworker/u8:009:07:042
770699201,2cyclictest0-21swapper/212:22:012
7704992017,2cyclictest9511-21kworker/u8:012:22:010
7704992016,2cyclictest19912-21kworker/u8:211:23:040
7706991916,2cyclictest9775-21kworker/u8:210:38:012
7706991916,2cyclictest9563-21kworker/u8:007:15:052
7706991916,2cyclictest9125-21kworker/u8:210:04:052
7706991916,2cyclictest8953-21kworker/u8:209:36:042
7706991916,2cyclictest3534-21kworker/u8:208:35:042
7706991916,2cyclictest26213-21kworker/u8:008:16:042
7706991916,2cyclictest23582-21kworker/u8:209:16:042
7706991916,2cyclictest23536-21kworker/u8:108:05:052
7706991916,2cyclictest19407-21kworker/u8:109:00:042
7706991916,2cyclictest16068-21kworker/u8:207:32:042
770699191,2cyclictest0-21swapper/211:23:042
770699190,2cyclictest0-21swapper/209:40:042
7704991916,2cyclictest9511-21kworker/u8:012:18:050
7704991916,2cyclictest8953-21kworker/u8:209:32:050
7704991916,2cyclictest8107-21kworker/u8:111:40:050
7704991916,2cyclictest2463-21kworker/u8:111:30:040
7704991916,2cyclictest19407-21kworker/u8:109:38:050
7704991916,2cyclictest16229-21kworker/u8:010:42:060
151562190,2sleep337-21rcuc/311:46:183
7706991815,2cyclictest9563-21kworker/u8:007:14:042
7706991815,2cyclictest824-21kworker/u8:211:42:042
7706991815,2cyclictest5373-21kworker/u8:107:35:042
7706991815,2cyclictest5373-21kworker/u8:107:22:042
7706991815,2cyclictest3534-21kworker/u8:208:32:052
7706991815,2cyclictest16068-21kworker/u8:207:45:042
7705991815,2cyclictest23582-21kworker/u8:209:21:051
7704991815,2cyclictest26213-21kworker/u8:008:18:040
7707991714,2cyclictest19407-21kworker/u8:109:42:043
7706991714,2cyclictest3534-21kworker/u8:208:27:042
7706991714,2cyclictest29827-21kworker/u8:010:33:042
7706991714,2cyclictest23536-21kworker/u8:108:01:042
7706991714,2cyclictest23536-21kworker/u8:107:55:042
770699170,15cyclictest0-21swapper/212:06:052
770699170,15cyclictest0-21swapper/211:12:042
770599170,2cyclictest0-21swapper/110:11:041
7704991714,2cyclictest8953-21kworker/u8:209:40:040
7704991714,2cyclictest8953-21kworker/u8:209:28:050
7704991714,2cyclictest19407-21kworker/u8:109:10:060
770799160,14cyclictest0-21swapper/307:20:143
770699162,12cyclictest30938-21unixbench_singl10:56:042
7706991613,2cyclictest3534-21kworker/u8:208:22:042
770699161,13cyclictest0-21swapper/208:11:042
770599161,3cyclictest0-21swapper/110:36:041
7705991612,2cyclictest0-21swapper/108:51:031
770599161,13cyclictest31198-21python08:06:061
770599160,14cyclictest26352-21aten2.4-expect07:55:131
7704991613,2cyclictest3779-21kworker/u8:009:22:040
7704991613,2cyclictest16229-21kworker/u8:010:48:040
7704991612,2cyclictest0-21swapper/010:25:120
149172160,1sleep114920-21proc_pri07:25:191
7707991512,2cyclictest0-21swapper/309:35:053
7707991512,2cyclictest0-21swapper/309:27:353
7707991511,2cyclictest0-21swapper/311:35:003
7707991511,2cyclictest0-21swapper/309:10:173
7707991511,2cyclictest0-21swapper/307:15:133
770799150,3cyclictest9504-21date10:35:003
770799150,3cyclictest23005-21ps07:45:193
770799150,3cyclictest0-21swapper/307:10:173
770799150,2cyclictest0-21swapper/308:45:153
770799150,13cyclictest22314-21ssh11:20:403
770799150,13cyclictest16218-21wget08:50:153
770799150,13cyclictest0-21swapper/312:37:013
770799150,13cyclictest0-21swapper/312:10:113
770799150,13cyclictest0-21swapper/312:05:153
770799150,13cyclictest0-21swapper/311:12:153
770699150,2cyclictest18797-21munin-node2
770699150,13cyclictest0-21swapper/209:12:272
770599151,3cyclictest14722-21aten2.4_r3power10:40:121
7705991511,2cyclictest11405-21latency_hist08:40:001
770599150,13cyclictest8644-21cat07:10:171
770599150,13cyclictest19925-21cut09:00:131
770599150,13cyclictest0-21swapper/107:40:411
7704991512,2cyclictest24780-21kworker/u8:112:03:040
7704991512,2cyclictest2463-21kworker/u8:111:08:040
7704991512,2cyclictest2463-21kworker/u8:111:00:010
7704991512,2cyclictest24068-21kworker/u8:010:00:010
7704991512,2cyclictest16229-21kworker/u8:010:50:040
7707991411,2cyclictest9511-21kworker/u8:012:22:053
7707991411,2cyclictest0-21swapper/312:31:253
7707991411,2cyclictest0-21swapper/311:55:153
7707991411,2cyclictest0-21swapper/310:41:353
7707991411,2cyclictest0-21swapper/310:15:453
7707991411,2cyclictest0-21swapper/307:41:043
770799140,3cyclictest0-21swapper/311:53:273
770799140,13cyclictest0-21swapper/310:49:453
770799140,12cyclictest25693-21ssh10:50:573
770799140,12cyclictest0-21swapper/309:21:043
7706991411,2cyclictest16068-21kworker/u8:207:41:052
770699140,2cyclictest0-21swapper/211:28:052
770599149,3cyclictest29414-21diskstats10:55:141
7705991411,2cyclictest28310-21kworker/u8:011:29:041
7705991411,2cyclictest221ktimersoftd/109:45:051
7705991411,2cyclictest221ktimersoftd/109:45:041
7705991411,2cyclictest0-21swapper/111:40:021
7705991411,2cyclictest0-21swapper/111:23:041
7705991411,2cyclictest0-21swapper/109:33:321
7705991411,2cyclictest0-21swapper/108:25:511
7705991410,3cyclictest0-21swapper/111:50:121
7705991410,2cyclictest24088-21sh09:43:011
770599140,3cyclictest15387-21sh10:06:521
770599140,2cyclictest0-21swapper/109:15:111
770599140,12cyclictest0-21swapper/112:05:411
770599140,12cyclictest0-21swapper/107:15:501
7704991411,2cyclictest9125-21kworker/u8:210:18:050
7704991411,2cyclictest824-21kworker/u8:211:57:040
7704991411,2cyclictest4525-21kworker/u8:112:14:040
7704991411,2cyclictest30933-21kworker/u8:012:06:050
7704991411,2cyclictest26805-21kworker/u8:212:34:050
7704991411,2cyclictest2463-21kworker/u8:111:12:040
7704991411,2cyclictest24068-21kworker/u8:009:48:040
7704991411,2cyclictest24068-21kworker/u8:009:48:040
7704991411,2cyclictest19407-21kworker/u8:109:05:040
7704991411,2cyclictest17103-21kworker/u8:112:27:040
770499140,12cyclictest15746-21apt-get11:15:070
770499140,12cyclictest0-21swapper/010:56:240
770499140,12cyclictest0-21swapper/010:20:300
770499140,12cyclictest0-21swapper/008:31:030
770499140,12cyclictest0-21swapper/007:26:040
209202141,3sleep121019-21ssh12:26:011
7707991310,2cyclictest28310-21kworker/u8:011:37:043
7707991310,2cyclictest2463-21kworker/u8:111:00:063
7707991310,2cyclictest24068-21kworker/u8:009:45:043
7707991310,2cyclictest24068-21kworker/u8:009:45:043
7707991310,2cyclictest0-21swapper/312:01:063
7707991310,2cyclictest0-21swapper/311:40:053
7707991310,2cyclictest0-21swapper/311:26:043
7707991310,2cyclictest0-21swapper/310:55:043
7707991310,2cyclictest0-21swapper/310:37:463
7707991310,2cyclictest0-21swapper/310:26:353
7707991310,2cyclictest0-21swapper/310:21:063
7707991310,2cyclictest0-21swapper/309:57:543
7707991310,2cyclictest0-21swapper/309:57:543
7707991310,2cyclictest0-21swapper/309:15:553
770799130,3cyclictest12566-21ssh09:30:593
770799130,2cyclictest0-21swapper/310:00:563
770799130,12cyclictest0-21swapper/309:50:153
7706991310,2cyclictest0-21swapper/210:05:232
770699130,2cyclictest0-21swapper/209:30:152
770699130,12cyclictest25113-21copy07:50:402
770699130,12cyclictest0-21swapper/211:45:042
770699130,12cyclictest0-21swapper/210:11:012
770699130,12cyclictest0-21swapper/207:29:042
770599131,3cyclictest0-21swapper/111:57:501
770599131,3cyclictest0-21swapper/108:40:151
770599131,10cyclictest3120-21apt-get11:35:111
7705991310,2cyclictest3728-21runrttasks09:12:481
7705991310,2cyclictest0-21swapper/112:15:181
7705991310,2cyclictest0-21swapper/112:11:101
7705991310,2cyclictest0-21swapper/111:00:011
7705991310,2cyclictest0-21swapper/110:50:031
7705991310,2cyclictest0-21swapper/110:46:311
7705991310,2cyclictest0-21swapper/110:21:511
7705991310,2cyclictest0-21swapper/108:00:171
7705991310,2cyclictest0-21swapper/107:45:511
7705991310,2cyclictest0-21swapper/107:31:031
770599130,2cyclictest0-21swapper/112:22:381
770599130,2cyclictest0-21swapper/110:03:331
770599130,12cyclictest0-21swapper/112:36:211
770599130,12cyclictest0-21swapper/112:30:411
770599130,12cyclictest0-21swapper/111:30:101
770599130,12cyclictest0-21swapper/111:15:201
770599130,12cyclictest0-21swapper/111:10:001
770599130,12cyclictest0-21swapper/111:06:211
770599130,12cyclictest0-21swapper/110:30:521
770599130,12cyclictest0-21swapper/110:27:431
770599130,12cyclictest0-21swapper/110:17:531
770599130,12cyclictest0-21swapper/109:55:181
770599130,12cyclictest0-21swapper/109:55:181
770599130,12cyclictest0-21swapper/109:51:121
770599130,12cyclictest0-21swapper/109:36:041
7704991310,2cyclictest9563-21kworker/u8:007:16:050
7704991310,2cyclictest8953-21kworker/u8:209:50:040
7704991310,2cyclictest3534-21kworker/u8:208:42:040
7704991310,2cyclictest26213-21kworker/u8:007:56:060
7704991310,2cyclictest0-21swapper/010:13:040
770499130,2cyclictest0-21swapper/009:01:020
227692130,2sleep30-21swapper/312:28:163
770799129,2cyclictest23463-21diskmemload12:15:583
770799129,2cyclictest0-21swapper/311:08:063
770799129,2cyclictest0-21swapper/308:55:193
770799129,2cyclictest0-21swapper/307:50:583
770799129,2cyclictest0-21swapper/307:26:043
770799120,11cyclictest0-21swapper/310:05:593
770599121,3cyclictest0-21swapper/108:15:191
770599120,3cyclictest0-21swapper/108:56:041
770599120,11cyclictest0-21swapper/111:45:491
770599120,11cyclictest0-21swapper/109:25:181
770499129,2cyclictest28310-21kworker/u8:011:28:040
770499129,2cyclictest26213-21kworker/u8:008:07:040
770499129,2cyclictest23536-21kworker/u8:108:02:040
770499129,2cyclictest16068-21kworker/u8:207:34:020
770499129,2cyclictest0-21swapper/008:45:170
770499120,2cyclictest0-21swapper/011:51:130
770499120,2cyclictest0-21swapper/010:39:540
770499120,11cyclictest4379-21ssh11:35:230
770499120,11cyclictest0-21swapper/012:37:330
770499120,11cyclictest0-21swapper/009:56:030
770499120,11cyclictest0-21swapper/009:56:020
770499120,11cyclictest0-21swapper/009:16:440
770499120,11cyclictest0-21swapper/007:50:530
770799110,1cyclictest0-21swapper/308:15:143
770799110,10cyclictest3534-21kworker/u8:208:41:053
770699116,3cyclictest15891-21cpuspeed_turbos08:50:132
770599111,8cyclictest0-21swapper/107:50:181
770599111,2cyclictest0-21swapper/108:20:161
770599110,9cyclictest0-21swapper/108:45:121
770599110,9cyclictest0-21swapper/108:30:171
770599110,10cyclictest0-21swapper/107:35:171
770499118,2cyclictest8107-21kworker/u8:111:45:040
770499110,10cyclictest15928-21ssh10:07:410
770499110,10cyclictest0-21swapper/007:43:140
770799107,2cyclictest0-21swapper/307:31:023
770599100,3cyclictest0-21swapper/108:10:121
770499107,2cyclictest26213-21kworker/u8:008:20:050
770499107,2cyclictest0-21swapper/008:10:210
770499100,2cyclictest4944-21ssh10:30:080
77079996,2cyclictest0-21swapper/308:11:063
77079994,3cyclictest7775-21aten2.4-expect08:30:143
77079994,3cyclictest3970-21grep08:20:153
77079994,3cyclictest28450-21cut08:00:133
77079990,8cyclictest0-21swapper/308:25:053
77059996,2cyclictest0-21swapper/107:20:401
77059990,3cyclictest0-21swapper/109:06:031
77049994,3cyclictest12189-21taskset07:20:130
77049990,2cyclictest0-21swapper/008:57:040
77049990,2cyclictest0-21swapper/008:35:040
77079985,2cyclictest26213-21kworker/u8:008:08:043
77079985,2cyclictest22119-21fschecks_count09:05:153
77079985,2cyclictest0-21swapper/308:35:143
77079983,3cyclictest3127-21nscd07:55:123
77079980,7cyclictest0-21swapper/309:01:153
77079980,2cyclictest0-21swapper/307:35:303
77049984,2cyclictest3728-21runrttasks07:49:400
77049984,2cyclictest18950-21ntpq07:35:180
77049983,3cyclictest16512-21tr08:50:180
77049980,6cyclictest0-21swapper/008:25:000
77049974,2cyclictest0-21swapper/007:10:230
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