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2026-05-27 - 13:51

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 Wed May 27, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24812114103,6sleep30-21swapper/307:06:553
2621211190,16sleep00-21swapper/007:08:390
2588211099,6sleep10-21swapper/107:08:161
2544210991,12sleep20-21swapper/207:07:412
67952810,0sleep00-21swapper/010:03:330
208532760,0sleep00-21swapper/009:10:380
101342600,5sleep1275299cyclictest09:33:351
2752993918,19cyclictest13735-21ssh12:25:111
275499271,2cyclictest0-21swapper/311:50:113
275499260,10cyclictest0-21swapper/310:20:113
164962230,0sleep00-21swapper/009:40:120
275499221,3cyclictest13736-21runrttasks12:25:113
275299220,3cyclictest0-21swapper/109:50:151
275499210,19cyclictest0-21swapper/307:55:153
275299210,3cyclictest8258-21iostat11:45:141
275299210,3cyclictest0-21swapper/109:12:201
275299210,2cyclictest0-21swapper/111:16:461
275299210,2cyclictest0-21swapper/110:30:111
275299210,2cyclictest0-21swapper/110:07:161
275299210,19cyclictest0-21swapper/109:36:021
275299210,12cyclictest0-21swapper/112:12:421
275299200,3cyclictest5539-21ssh11:42:181
275299200,3cyclictest14471-21sensors10:10:581
275299200,3cyclictest13614-21ssh11:50:341
275299200,3cyclictest0-21swapper/112:37:381
275299200,3cyclictest0-21swapper/111:39:541
275299200,3cyclictest0-21swapper/111:25:541
275299200,3cyclictest0-21swapper/107:15:421
275299200,2cyclictest0-21swapper/112:33:581
275299200,2cyclictest0-21swapper/112:24:461
275299200,2cyclictest0-21swapper/111:22:071
275299200,2cyclictest0-21swapper/111:08:201
275299200,2cyclictest0-21swapper/110:18:151
275299200,2cyclictest0-21swapper/109:00:521
275299200,2cyclictest0-21swapper/107:40:121
275299200,18cyclictest0-21swapper/109:58:591
2751992017,2cyclictest14923-21kworker/u8:009:46:040
27672190,0sleep00-21swapper/012:13:400
2752991913,5cyclictest0-21swapper/110:20:161
275299190,3cyclictest28391-21pzem_current10:25:181
275299190,3cyclictest27004-21ssh09:17:061
275299190,3cyclictest17337-21ssh10:47:381
275299190,3cyclictest0-21swapper/110:56:181
275299190,3cyclictest0-21swapper/109:25:591
275299190,2cyclictest21567-21aten2.4-expect07:55:141
275299190,2cyclictest0-21swapper/112:15:141
275299190,2cyclictest0-21swapper/111:55:221
275299190,2cyclictest0-21swapper/111:30:111
275299190,2cyclictest0-21swapper/111:01:411
275299190,2cyclictest0-21swapper/110:44:431
275299190,2cyclictest0-21swapper/110:37:161
275299190,2cyclictest0-21swapper/109:47:481
275299190,2cyclictest0-21swapper/109:23:311
275299190,2cyclictest0-21swapper/108:40:101
275299190,2cyclictest0-21swapper/108:25:141
275299190,2cyclictest0-21swapper/107:20:111
275299190,12cyclictest0-21swapper/112:01:171
275499181,2cyclictest0-21swapper/309:05:103
275299180,2cyclictest17446-21apt-get09:05:101
275299180,2cyclictest0-21swapper/112:08:301
275299180,2cyclictest0-21swapper/111:10:031
275299180,2cyclictest0-21swapper/110:50:181
275299180,2cyclictest0-21swapper/110:00:261
275299180,2cyclictest0-21swapper/109:40:141
275299180,2cyclictest0-21swapper/108:55:181
275299180,2cyclictest0-21swapper/108:20:101
275299180,2cyclictest0-21swapper/108:15:141
275299180,2cyclictest0-21swapper/108:10:151
275299180,2cyclictest0-21swapper/108:00:141
275299180,2cyclictest0-21swapper/107:45:111
275299180,2cyclictest0-21swapper/107:34:461
2751991815,2cyclictest30240-21kworker/u8:010:28:040
275199181,15cyclictest0-21swapper/011:23:480
275299170,2cyclictest0-21swapper/108:50:101
275299170,2cyclictest0-21swapper/108:05:101
275299170,2cyclictest0-21swapper/107:50:341
275299170,2cyclictest0-21swapper/107:35:141
275299170,2cyclictest0-21swapper/107:27:301
275299170,2cyclictest0-21swapper/107:10:101
275199171,14cyclictest1237-21ssh10:30:580
275399160,14cyclictest29984-21grep08:15:132
275299160,2cyclictest0-21swapper/108:45:021
275299160,2cyclictest0-21swapper/108:35:431
275299160,2cyclictest0-21swapper/108:31:141
275199161,3cyclictest14728-21runrttasks12:25:180
275199161,12cyclictest0-21swapper/011:45:130
275499151,3cyclictest5212-21cat08:35:003
275499151,12cyclictest0-21swapper/310:15:593
2754991510,3cyclictest25499-21apt-get09:50:053
275499150,13cyclictest5198-21ssh09:28:233
275499150,13cyclictest3063-21diskstats11:40:123
2753991512,2cyclictest0-21swapper/209:00:132
2753991512,2cyclictest0-21swapper/208:30:132
275199151,3cyclictest0-21swapper/011:59:350
2751991512,2cyclictest29113-21kworker/u8:209:54:050
2751991512,2cyclictest19519-21kworker/u8:111:37:040
2751991512,2cyclictest13910-21kworker/u8:011:43:040
275199151,12cyclictest0-21swapper/009:32:550
2751991510,3cyclictest0-21swapper/011:10:390
275199150,3cyclictest0-21swapper/010:45:050
275199150,13cyclictest0-21swapper/010:23:480
275199150,13cyclictest0-21swapper/009:36:180
275499149,3cyclictest9939-21munin-node3
275499149,3cyclictest4922-21cpu10:35:113
2754991411,2cyclictest0-21swapper/307:31:043
275499141,11cyclictest11812-21ssh10:08:513
275499140,2cyclictest0-21swapper/312:35:163
275499140,12cyclictest16849-21rm09:40:143
275499140,12cyclictest0-21swapper/309:15:163
2753991411,2cyclictest30971-21iostat11:35:152
2753991411,2cyclictest0-21swapper/212:10:132
2753991411,2cyclictest0-21swapper/211:54:132
2753991411,2cyclictest0-21swapper/211:49:032
2753991411,2cyclictest0-21swapper/209:44:532
2753991411,2cyclictest0-21swapper/209:17:232
275399140,2cyclictest6411-21ssh11:43:442
275399140,2cyclictest0-21swapper/210:35:132
275399140,2cyclictest0-21swapper/209:29:232
275399140,13cyclictest0-21swapper/211:27:132
275399140,12cyclictest3995-21apt-get12:15:102
275399140,12cyclictest1705-21sh09:58:272
275399140,12cyclictest12253-21rm10:09:322
275399140,12cyclictest0-21swapper/212:22:272
275399140,12cyclictest0-21swapper/212:08:182
275199149,3cyclictest0-21swapper/011:00:110
275199141,12cyclictest28033-21ssh11:32:010
2751991411,2cyclictest0-21swapper/012:06:480
2751991411,2cyclictest0-21swapper/009:56:180
2751991411,2cyclictest0-21swapper/009:05:180
275199140,3cyclictest0-21swapper/011:27:320
275199140,13cyclictest0-21swapper/010:41:090
275199140,12cyclictest0-21swapper/012:15:100
275199140,12cyclictest0-21swapper/010:09:320
275199140,12cyclictest0-21swapper/009:16:470
275499132,7cyclictest0-21swapper/310:45:003
275499132,6cyclictest0-21swapper/308:25:013
275499131,6cyclictest0-21swapper/312:00:003
275499131,3cyclictest31420-21ssh11:35:273
2754991310,2cyclictest5309-21apt-get08:35:123
275499130,2cyclictest0-21swapper/307:15:123
275499130,1cyclictest0-21swapper/307:10:133
275499130,12cyclictest0-21swapper/309:10:203
275499130,12cyclictest0-21swapper/307:20:133
275499130,11cyclictest0-21swapper/311:28:503
275499130,11cyclictest0-21swapper/310:33:303
2753991310,2cyclictest19240-21diskmemload10:41:532
2753991310,2cyclictest14031-21load07:35:162
2753991310,2cyclictest0-21swapper/212:30:082
2753991310,2cyclictest0-21swapper/212:27:232
2753991310,2cyclictest0-21swapper/212:01:472
2753991310,2cyclictest0-21swapper/211:23:032
2753991310,2cyclictest0-21swapper/211:12:532
2753991310,2cyclictest0-21swapper/211:06:452
2753991310,2cyclictest0-21swapper/210:51:382
2753991310,2cyclictest0-21swapper/210:15:402
2753991310,2cyclictest0-21swapper/210:11:132
2753991310,2cyclictest0-21swapper/210:02:182
2753991310,2cyclictest0-21swapper/207:50:122
275399130,2cyclictest0-21swapper/209:12:372
275399130,12cyclictest19240-21diskmemload09:48:162
275399130,12cyclictest0-21swapper/210:55:252
275399130,12cyclictest0-21swapper/210:33:062
275399130,12cyclictest0-21swapper/209:50:072
275399130,11cyclictest0-21swapper/211:16:382
275399130,11cyclictest0-21swapper/209:36:272
2751991310,2cyclictest21064-21ssh12:31:550
2751991310,2cyclictest2051-21kworker/u8:212:21:050
2751991310,2cyclictest14352-21ssh10:10:550
2751991310,2cyclictest0-21swapper/011:50:150
2751991310,2cyclictest0-21swapper/011:15:080
2751991310,2cyclictest0-21swapper/010:59:090
2751991310,2cyclictest0-21swapper/010:16:360
2751991310,2cyclictest0-21swapper/008:00:180
2751991310,2cyclictest0-21swapper/007:35:150
275199130,2cyclictest0-21swapper/010:50:150
275199130,2cyclictest0-21swapper/008:30:150
275199130,12cyclictest0-21swapper/012:36:170
275199130,12cyclictest0-21swapper/012:01:380
275199130,12cyclictest0-21swapper/009:21:050
125572130,2sleep30-21swapper/309:35:323
275499129,2cyclictest0-21swapper/311:20:213
275499129,2cyclictest0-21swapper/310:04:343
275499129,2cyclictest0-21swapper/308:50:163
275499123,5cyclictest0-21swapper/308:26:013
275499121,2cyclictest3127-21nscd12:15:103
275499120,2cyclictest0-21swapper/311:49:163
275499120,2cyclictest0-21swapper/310:50:123
275499120,2cyclictest0-21swapper/309:20:463
275499120,11cyclictest28465-21ssh10:25:263
275499120,11cyclictest0-21swapper/312:30:143
275499120,11cyclictest0-21swapper/311:33:383
275499120,11cyclictest0-21swapper/311:10:273
275499120,11cyclictest0-21swapper/311:05:113
275499120,11cyclictest0-21swapper/310:55:153
275499120,11cyclictest0-21swapper/310:45:163
275499120,11cyclictest0-21swapper/309:30:153
275499120,11cyclictest0-21swapper/308:56:063
275499120,10cyclictest0-21swapper/312:05:023
275499120,10cyclictest0-21swapper/309:56:033
275399129,2cyclictest0-21swapper/212:35:322
275399129,2cyclictest0-21swapper/211:57:112
275399129,2cyclictest0-21swapper/211:32:172
275399129,2cyclictest0-21swapper/210:45:132
275399129,2cyclictest0-21swapper/210:25:122
275399129,2cyclictest0-21swapper/209:30:542
275399129,2cyclictest0-21swapper/209:21:422
275399129,2cyclictest0-21swapper/208:05:192
275399129,2cyclictest0-21swapper/208:00:172
275399129,2cyclictest0-21swapper/207:55:432
275399129,2cyclictest0-21swapper/207:45:152
275399120,11cyclictest0-21swapper/211:00:032
275399120,11cyclictest0-21swapper/210:20:162
275399120,11cyclictest0-21swapper/208:21:052
275199129,2cyclictest0-21swapper/011:05:260
275199129,2cyclictest0-21swapper/010:35:490
275199120,2cyclictest0-21swapper/009:26:200
275199120,11cyclictest0-21swapper/008:56:020
275499118,2cyclictest0-21swapper/311:16:243
275499118,2cyclictest0-21swapper/309:00:193
275499112,7cyclictest0-21swapper/308:17:583
275499112,7cyclictest0-21swapper/307:40:013
275499112,6cyclictest0-21swapper/308:00:013
275499112,5cyclictest0-21swapper/312:21:013
275499110,2cyclictest0-21swapper/312:00:333
275499110,2cyclictest0-21swapper/310:13:063
275499110,10cyclictest0-21swapper/312:10:283
275399118,2cyclictest7562-21munin-node2
275399118,2cyclictest0-21swapper/207:10:182
275399110,2cyclictest0-21swapper/207:29:222
275199118,2cyclictest15047-21kworker/u8:307:45:050
275199118,2cyclictest0-21swapper/007:51:040
275199116,3cyclictest0-21swapper/008:45:130
275199110,9cyclictest0-21swapper/008:40:050
63122100,2sleep20-21swapper/208:35:232
275499105,3cyclictest25892-21sed08:05:133
275499105,3cyclictest14764-21sshd07:36:223
275499103,4cyclictest30411-21ssh11:01:003
275399107,2cyclictest4781-21kworker/u8:108:40:052
275399100,9cyclictest0-21swapper/207:33:592
275199107,2cyclictest0-21swapper/008:50:140
27549996,2cyclictest0-21swapper/307:50:003
27549994,3cyclictest9328-21aten2.4_r3power07:25:133
27549994,3cyclictest7922-21tune2fs08:40:143
27549994,3cyclictest19240-21diskmemload09:45:503
27549994,3cyclictest17300-21apt07:45:113
27549993,4cyclictest27883-21grep08:10:123
27539996,2cyclictest14923-21kworker/u8:009:05:042
27539996,2cyclictest0-21swapper/207:42:432
27539993,2cyclictest0-21swapper/208:45:052
27519996,2cyclictest8688-21kworker/u8:207:23:040
27519996,2cyclictest0-21swapper/008:10:180
27519996,2cyclictest0-21swapper/007:30:130
27519995,3cyclictest30523-21pzem_current08:15:180
27519994,3cyclictest10972-21cron07:30:000
27519993,4cyclictest3837-21wc07:10:160
15173290,1sleep20-21swapper/208:59:592
27539983,3cyclictest1360-21tr08:25:142
27539983,2cyclictest0-21swapper/208:53:042
27539981,5cyclictest14741-21kworker/2:208:10:112
27539980,7cyclictest0-21swapper/207:17:042
27519985,2cyclictest101ktimersoftd/008:05:110
27519985,2cyclictest0-21swapper/008:25:180
27519983,3cyclictest21501-21aten2.4_r3power07:55:140
27519981,5cyclictest15831-21grep09:00:150
27519981,3cyclictest6158-21head08:35:190
27519981,3cyclictest6039-21ntp_states07:15:180
27519980,7cyclictest0-21swapper/008:22:180
27519980,2cyclictest0-21swapper/007:40:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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