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2026-03-31 - 16:03

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 Tue Mar 31, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14738212197,18sleep00-21swapper/007:09:470
14716211896,17sleep30-21swapper/307:09:303
14672210993,11sleep10-21swapper/107:08:561
12966210897,6sleep20-21swapper/207:05:092
79282870,1sleep20-21swapper/209:51:482
79282870,1sleep20-21swapper/209:51:472
63832760,1sleep30-21swapper/310:57:433
107922710,0sleep20-21swapper/210:29:122
225632700,1sleep10-21swapper/111:15:081
113712690,1sleep00-21swapper/009:21:510
1478399220,20cyclictest0-21swapper/111:00:111
1478299221,19cyclictest32252-21sh11:25:120
1478599211,2cyclictest0-21swapper/310:25:103
1478499210,19cyclictest0-21swapper/208:00:112
14784992016,2cyclictest30899-21ssh10:50:112
1478499200,18cyclictest0-21swapper/212:30:092
14783992016,2cyclictest0-21swapper/110:15:121
14782992017,2cyclictest23116-21kworker/u8:210:03:050
134662200,0sleep10-21swapper/111:05:131
14785991916,2cyclictest3127-21nscd12:20:123
1478499190,2cyclictest0-21swapper/207:55:112
1478499190,18cyclictest0-21swapper/209:30:092
14783991914,3cyclictest30652-21kworker/u8:109:46:051
14782991916,2cyclictest10379-21kworker/u8:109:57:050
1478299191,2cyclictest0-21swapper/008:20:120
273162180,0sleep20-21swapper/210:45:312
1478399180,13cyclictest0-21swapper/107:45:051
1478299183,2cyclictest30497-21which09:06:020
14782991815,2cyclictest32352-21kworker/u8:111:30:040
14782991815,2cyclictest23116-21kworker/u8:210:27:050
58912170,1sleep20-21swapper/210:24:032
1478399171,3cyclictest0-21swapper/112:30:001
14782991714,2cyclictest23116-21kworker/u8:210:22:050
14782991714,2cyclictest10371-21kworker/u8:212:19:050
14785991611,3cyclictest0-21swapper/307:30:173
14784991611,3cyclictest31835-21grep07:50:152
14783991614,1cyclictest0-21swapper/110:43:041
1478399161,13cyclictest0-21swapper/110:21:041
1478399161,13cyclictest0-21swapper/107:50:111
1478399160,2cyclictest0-21swapper/109:06:011
1478299161,3cyclictest0-21swapper/012:00:060
1478299161,13cyclictest28774-21apt-get11:55:100
1478299161,13cyclictest0-21swapper/008:05:150
1478299160,11cyclictest0-21swapper/010:30:010
1478599151,3cyclictest18562-21cut09:30:113
1478599151,12cyclictest0-21swapper/311:04:093
1478599151,12cyclictest0-21swapper/309:12:483
14785991510,3cyclictest31867-21ssh10:16:343
14785991510,3cyclictest0-21swapper/312:28:003
1478599150,13cyclictest16571-21ssh10:00:513
1478599150,13cyclictest0-21swapper/312:00:223
1478499151,12cyclictest0-21swapper/212:23:062
14784991510,3cyclictest0-21swapper/210:38:272
1478499150,3cyclictest14466-21tail11:40:112
1478399158,5cyclictest0-21swapper/110:28:381
1478399151,3cyclictest0-21swapper/109:13:501
14783991512,2cyclictest8998-21kworker/u8:009:38:051
14783991512,2cyclictest27374-21kworker/u8:011:34:041
1478399150,13cyclictest14235-21cut09:25:151
1478299156,8cyclictest0-21swapper/011:54:020
1478299151,3cyclictest0-21swapper/012:05:510
14782991512,2cyclictest8003-21kworker/u8:111:19:050
14782991512,2cyclictest30963-21kworker/u8:210:59:040
14782991512,2cyclictest22490-21kworker/u8:110:08:050
14782991512,2cyclictest16022-21kworker/u8:107:16:040
1478299151,12cyclictest0-21swapper/011:35:460
1478299150,14cyclictest0-21swapper/010:13:050
1478299150,13cyclictest3899-21ssh12:35:310
1478299150,13cyclictest3649-21snmpd11:03:310
1478299150,13cyclictest0-21swapper/012:22:510
1478299150,13cyclictest0-21swapper/009:30:100
296322140,2sleep00-21swapper/009:40:570
1478599149,3cyclictest18828-21ssh10:36:443
14785991411,2cyclictest0-21swapper/311:57:323
14785991411,2cyclictest0-21swapper/311:12:323
14785991411,2cyclictest0-21swapper/310:41:023
1478599141,11cyclictest29600-21ssh10:48:293
14785991410,3cyclictest274-21jbd2/sda1-807:45:073
1478599140,3cyclictest0-21swapper/309:25:193
1478599140,2cyclictest0-21swapper/311:45:153
1478599140,13cyclictest0-21swapper/312:39:323
1478599140,13cyclictest0-21swapper/311:30:023
1478599140,12cyclictest19251-21ssh12:18:253
1478599140,12cyclictest0-21swapper/309:46:083
1478499140,12cyclictest0-21swapper/210:07:232
1478499140,12cyclictest0-21swapper/210:01:452
1478399149,3cyclictest0-21swapper/107:35:181
1478399142,6cyclictest0-21swapper/112:05:011
1478399142,6cyclictest0-21swapper/108:25:001
1478399141,2cyclictest20517-21ssh12:20:001
14783991411,2cyclictest27374-21kworker/u8:011:38:051
1478399141,10cyclictest0-21swapper/107:20:131
1478399140,12cyclictest31161-21diskmemload12:37:311
1478399140,12cyclictest0-21swapper/112:07:181
1478399140,12cyclictest0-21swapper/109:43:281
1478299142,7cyclictest0-21swapper/007:40:000
1478299141,3cyclictest21336-21ssh11:13:320
14782991411,2cyclictest7224-21kworker/u8:108:12:050
14782991411,2cyclictest5998-21kworker/u8:007:11:040
14782991411,2cyclictest25651-21kworker/u8:010:47:050
14782991411,2cyclictest17281-21kworker/u8:108:52:020
14782991411,2cyclictest0-21swapper/012:28:120
14782991411,2cyclictest0-21swapper/010:52:510
14782991411,2cyclictest0-21swapper/010:40:310
14782991411,2cyclictest0-21swapper/009:51:410
14782991411,2cyclictest0-21swapper/009:51:410
1478299140,13cyclictest0-21swapper/011:23:210
300022130,2sleep20-21swapper/211:55:342
23152130,2sleep20-21swapper/209:46:042
1478599131,11cyclictest0-21swapper/309:21:023
14785991310,2cyclictest0-21swapper/312:11:353
14785991310,2cyclictest0-21swapper/310:34:023
14785991310,2cyclictest0-21swapper/309:52:573
14785991310,2cyclictest0-21swapper/309:52:573
14785991310,2cyclictest0-21swapper/309:43:213
14785991310,2cyclictest0-21swapper/309:35:523
1478599130,2cyclictest18645-21ssh11:44:413
1478599130,2cyclictest0-21swapper/312:05:293
1478599130,2cyclictest0-21swapper/311:50:143
1478599130,2cyclictest0-21swapper/311:29:303
1478599130,2cyclictest0-21swapper/311:15:143
1478599130,2cyclictest0-21swapper/310:05:143
1478599130,2cyclictest0-21swapper/309:55:183
1478599130,12cyclictest0-21swapper/312:30:263
1478599130,12cyclictest0-21swapper/310:22:123
1478599130,12cyclictest0-21swapper/309:15:013
14784991310,2cyclictest0-21swapper/211:20:142
14784991310,2cyclictest0-21swapper/211:17:442
14784991310,2cyclictest0-21swapper/209:00:152
1478499130,2cyclictest31161-21diskmemload10:12:172
1478499130,2cyclictest0-21swapper/212:10:152
1478499130,2cyclictest0-21swapper/211:54:472
1478499130,2cyclictest0-21swapper/209:55:072
1478499130,2cyclictest0-21swapper/207:16:042
1478499130,12cyclictest0-21swapper/210:30:162
1478499130,12cyclictest0-21swapper/209:41:232
1478499130,11cyclictest0-21swapper/212:28:172
1478399131,9cyclictest0-21swapper/108:46:041
14783991310,2cyclictest8998-21kworker/u8:009:30:051
14783991310,2cyclictest31161-21diskmemload10:46:011
14783991310,2cyclictest25651-21kworker/u8:011:10:051
14783991310,2cyclictest1053-21kworker/u8:209:19:051
14783991310,2cyclictest10371-21kworker/u8:212:15:051
14783991310,2cyclictest0-21swapper/109:58:491
14783991310,2cyclictest0-21swapper/109:00:001
14783991310,2cyclictest0-21swapper/107:30:151
1478399130,2cyclictest0-21swapper/111:54:121
1478399130,2cyclictest0-21swapper/111:44:401
1478399130,12cyclictest0-21swapper/111:25:411
1478399130,12cyclictest0-21swapper/110:54:491
1478399130,12cyclictest0-21swapper/110:03:101
1478399130,11cyclictest31161-21diskmemload12:12:131
1478399130,11cyclictest0-21swapper/112:30:181
1478399130,11cyclictest0-21swapper/111:58:491
14782991310,2cyclictest8998-21kworker/u8:009:28:050
14782991310,2cyclictest23081-21apt-get07:30:120
14782991310,2cyclictest22752-21kworker/u8:208:18:020
14782991310,2cyclictest17281-21kworker/u8:109:16:020
14782991310,2cyclictest1053-21kworker/u8:209:12:060
14782991310,2cyclictest0-21swapper/012:30:020
14782991310,2cyclictest0-21swapper/009:46:030
1478299130,2cyclictest0-21swapper/012:10:120
1478299130,2cyclictest0-21swapper/011:41:010
1478299130,1cyclictest0-21swapper/011:07:110
1478599129,2cyclictest716-21ssh10:51:333
1478599129,2cyclictest31161-21diskmemload11:36:013
1478599129,2cyclictest0-21swapper/311:06:103
1478599129,2cyclictest0-21swapper/309:00:143
1478599129,2cyclictest0-21swapper/308:00:163
1478599129,2cyclictest0-21swapper/307:56:023
1478599129,2cyclictest0-21swapper/307:10:133
1478599122,5cyclictest0-21swapper/307:25:003
1478599120,2cyclictest0-21swapper/307:41:043
1478599120,11cyclictest0-21swapper/311:21:213
1478599120,11cyclictest0-21swapper/310:11:543
1478599120,10cyclictest0-21swapper/307:54:513
1478499129,2cyclictest31161-21diskmemload12:05:042
1478499129,2cyclictest16291-21ssh09:27:022
1478499129,2cyclictest0-21swapper/211:12:162
1478499129,2cyclictest0-21swapper/211:00:032
1478499120,2cyclictest0-21swapper/212:35:062
1478499120,2cyclictest0-21swapper/211:45:032
1478499120,2cyclictest0-21swapper/211:35:272
1478499120,2cyclictest0-21swapper/211:26:352
1478499120,2cyclictest0-21swapper/209:10:162
1478499120,2cyclictest0-21swapper/208:30:522
1478499120,2cyclictest0-21swapper/207:41:032
1478499120,2cyclictest0-21swapper/207:25:142
1478499120,11cyclictest0-21swapper/212:15:172
1478499120,11cyclictest0-21swapper/212:01:062
1478499120,11cyclictest0-21swapper/211:32:022
1478499120,11cyclictest0-21swapper/211:06:562
1478499120,11cyclictest0-21swapper/210:55:032
1478499120,11cyclictest0-21swapper/210:40:462
1478499120,11cyclictest0-21swapper/210:18:042
1478499120,11cyclictest0-21swapper/209:35:572
1478499120,11cyclictest0-21swapper/209:22:052
1478499120,11cyclictest0-21swapper/209:17:142
1478399127,3cyclictest31161-21diskmemload11:21:001
1478399127,3cyclictest0-21swapper/108:05:171
1478399121,9cyclictest15276-21munin-node1
1478399121,9cyclictest0-21swapper/110:35:141
1478399121,9cyclictest0-21swapper/109:20:161
1478399121,9cyclictest0-21swapper/108:50:381
1478399121,3cyclictest0-21swapper/108:56:021
1478399121,3cyclictest0-21swapper/108:11:021
1478399120,2cyclictest0-21swapper/110:05:071
1478399120,2cyclictest0-21swapper/109:50:191
1478399120,2cyclictest0-21swapper/109:50:181
1478399120,2cyclictest0-21swapper/108:26:061
1478399120,11cyclictest0-21swapper/111:45:591
1478399120,11cyclictest0-21swapper/110:30:091
1478399120,11cyclictest0-21swapper/110:12:481
1478399120,11cyclictest0-21swapper/108:15:191
1478299129,2cyclictest29866-21kworker/u8:107:47:050
1478299129,2cyclictest23116-21kworker/u8:209:35:050
1478299129,2cyclictest17281-21kworker/u8:108:48:050
1478299129,2cyclictest16022-21kworker/u8:107:25:050
1478299129,2cyclictest16022-21kworker/u8:107:24:050
1478299129,2cyclictest13363-21kworker/u8:008:34:010
1478299129,2cyclictest0-21swapper/010:37:540
1478299129,2cyclictest0-21swapper/010:16:260
1478299129,2cyclictest0-21swapper/008:55:120
1478299120,2cyclictest0-21swapper/011:49:160
97032110,1sleep20-21swapper/208:15:142
228272110,2sleep20-21swapper/207:30:012
1478599118,2cyclictest0-21swapper/308:10:123
1478599112,6cyclictest3158-21dbus-daemon08:20:113
1478599111,6cyclictest0-21swapper/308:36:013
1478599110,2cyclictest24909-21copy07:35:003
1478599110,2cyclictest0-21swapper/308:30:013
1478499118,2cyclictest0-21swapper/208:20:162
1478499112,5cyclictest0-21swapper/208:48:042
1478499110,10cyclictest0-21swapper/208:05:502
1478399118,2cyclictest0-21swapper/107:10:501
1478399111,8cyclictest934-21munin-node1
1478399110,9cyclictest3232-21munin-node1
1478399110,9cyclictest0-21swapper/107:25:121
1478299118,2cyclictest2420-21kworker/u8:007:56:050
1478299118,2cyclictest17281-21kworker/u8:108:41:050
1478299118,2cyclictest0-21swapper/008:00:390
199692100,7sleep30-21swapper/308:40:173
1478599107,2cyclictest0-21swapper/308:55:183
1478599105,3cyclictest24170-21cut08:50:143
1478599102,5cyclictest0-21swapper/308:16:023
1478599101,6cyclictest0-21swapper/308:26:023
1478599101,5cyclictest0-21swapper/308:45:123
1478499107,2cyclictest0-21swapper/208:35:142
1478499105,3cyclictest0-21swapper/207:21:012
1478499102,6cyclictest0-21swapper/209:08:072
1478499101,5cyclictest0-21swapper/208:15:002
1478499100,8cyclictest0-21swapper/208:52:592
1478399105,3cyclictest3106-21basename08:00:121
1478399102,7cyclictest0-21swapper/107:42:591
1478399100,8cyclictest0-21swapper/107:15:141
1478299107,2cyclictest0-21swapper/007:41:000
1478299105,3cyclictest0-21swapper/008:36:010
147859996,2cyclictest0-21swapper/307:15:133
147859995,2cyclictest0-21swapper/309:05:183
147859994,3cyclictest5443-21tr08:05:133
147859994,3cyclictest21200-21aten2.4-expect07:25:133
147849995,2cyclictest27274-21grep09:00:002
147849995,2cyclictest0-21swapper/207:10:172
147849990,7cyclictest308922sleep207:48:352
147839994,3cyclictest0-21swapper/108:35:131
147839991,3cyclictest0-21swapper/108:40:181
147829996,2cyclictest29866-21kworker/u8:107:50:060
147829994,3cyclictest27483-21aten2.4_r3power09:00:100
147829993,4cyclictest14649-21head08:26:050
147849983,3cyclictest25135-21sh07:35:042
147849983,3cyclictest19309-21chrt08:40:102
147849983,3cyclictest0-21swapper/208:25:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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