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2025-12-20 - 21:51

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 the highest latencies:
System rack3slot6s.osadl.org (updated Sat Dec 20, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14276212096,19sleep00-21swapper/007:08:550
13440211593,14sleep30-21swapper/307:05:183
143352114103,6sleep20-21swapper/207:09:412
1430929988,6sleep10-21swapper/107:09:201
133132770,1sleep113315-21fschecks_time08:25:151
157432750,1sleep1221ktimersoftd/108:30:201
169912740,0sleep30-21swapper/311:20:083
14387993716,3cyclictest0-21swapper/108:40:111
14389992217,3cyclictest9508-21ssh12:25:123
37742210,0sleep00-21swapper/012:18:330
259352190,0sleep20-21swapper/209:40:182
1438999192,15cyclictest0-21swapper/308:40:113
1438999190,17cyclictest0-21swapper/309:50:153
14388991916,2cyclictest30204-21kworker/u8:010:58:042
14388991916,2cyclictest18312-21kworker/u8:009:33:042
14388991815,2cyclictest28555-21kworker/u8:009:52:042
14388991815,2cyclictest28345-21kworker/u8:210:31:032
207522170,0sleep00-21swapper/010:47:020
1438999171,3cyclictest0-21swapper/308:35:143
14386991714,2cyclictest6305-21kworker/u8:109:57:040
165902160,1sleep016583-21cron08:35:000
1438999161,13cyclictest6941-21df08:10:143
14389991611,3cyclictest19143-21ssh11:59:143
1438999160,14cyclictest31930-21switchtime07:50:253
14388991611,3cyclictest23583-21sed08:50:182
1438799163,11cyclictest0-21swapper/109:47:191
14386991613,2cyclictest12660-21kworker/u8:210:10:040
256212150,1sleep0101ktimersoftd/007:35:180
1438999151,3cyclictest24691-21ssh10:51:073
14389991512,2cyclictest0-21swapper/310:46:563
1438999150,2cyclictest0-21swapper/312:07:033
1438999150,2cyclictest0-21swapper/310:27:553
1438999150,14cyclictest0-21swapper/309:33:363
1438999150,13cyclictest7458-21runrttasks12:15:453
1438999150,13cyclictest0-21swapper/311:43:353
1438899151,3cyclictest0-21swapper/210:39:352
14388991512,2cyclictest30204-21kworker/u8:011:10:052
1438899150,3cyclictest25017-21aten2.4-expect08:55:152
1438899150,13cyclictest7687-21ps08:10:212
1438899150,13cyclictest0-21swapper/211:44:382
14386991512,2cyclictest389-21kworker/u8:110:29:040
14386991512,2cyclictest30743-21diskmemload10:18:170
14386991512,2cyclictest0-21swapper/012:38:080
14386991512,2cyclictest0-21swapper/009:33:470
1438699151,12cyclictest28763-21copy09:05:010
1438699150,13cyclictest0-21swapper/007:30:280
111762151,2sleep011187-21ssh11:13:000
294362140,2sleep30-21swapper/310:56:403
1438999149,3cyclictest6935-21ssh12:21:113
1438999143,9cyclictest7497-21gdm-simple-gree08:09:593
1438999143,9cyclictest7497-21gdm-simple-gree08:09:583
14389991411,2cyclictest0-21swapper/311:15:053
14389991411,2cyclictest0-21swapper/310:21:563
14389991411,2cyclictest0-21swapper/309:43:353
14389991411,2cyclictest0-21swapper/309:22:193
14389991411,2cyclictest0-21swapper/308:15:153
1438999140,2cyclictest30225-21ssh11:35:143
1438999140,2cyclictest0-21swapper/311:03:243
1438999140,2cyclictest0-21swapper/310:40:553
1438999140,2cyclictest0-21swapper/309:26:253
1438999140,13cyclictest0-21swapper/307:10:163
1438999140,12cyclictest30743-21diskmemload12:30:183
1438999140,12cyclictest30743-21diskmemload11:30:223
1438999140,12cyclictest30743-21diskmemload09:11:493
1438999140,12cyclictest0-21swapper/311:45:553
1438999140,12cyclictest0-21swapper/310:02:173
1438999140,12cyclictest0-21swapper/309:57:233
1438899141,2cyclictest30743-21diskmemload09:36:052
14388991411,2cyclictest7039-21kworker/u8:012:28:042
14388991411,2cyclictest30772-21apt-get07:50:132
14388991411,2cyclictest30743-21diskmemload12:15:052
14388991411,2cyclictest23003-21ssh10:13:382
14388991411,2cyclictest22974-21kworker/u8:010:15:032
14388991411,2cyclictest16624-21ssh10:42:312
14388991411,2cyclictest0-21swapper/210:46:152
1438899141,11cyclictest0-21swapper/212:37:362
1438899140,2cyclictest30743-21diskmemload10:00:172
1438899140,2cyclictest0-21swapper/212:31:572
1438899140,2cyclictest0-21swapper/210:05:352
1438899140,2cyclictest0-21swapper/209:05:152
1438899140,13cyclictest30743-21diskmemload09:10:372
1438899140,12cyclictest30743-21diskmemload11:55:582
1438899140,12cyclictest30743-21diskmemload09:46:582
1438899140,12cyclictest0-21swapper/212:12:372
1438899140,12cyclictest0-21swapper/211:15:112
1438899140,12cyclictest0-21swapper/211:03:582
1438799149,3cyclictest29443-21iostat_ios07:45:171
1438799149,3cyclictest12622-21aten2.4_r3power11:15:121
14387991411,2cyclictest0-21swapper/110:37:201
1438799140,13cyclictest0-21swapper/109:23:501
1438799140,12cyclictest30743-21diskmemload09:42:441
1438799140,12cyclictest0-21swapper/112:26:491
1438799140,12cyclictest0-21swapper/109:57:041
1438799140,12cyclictest0-21swapper/109:15:101
14386991411,2cyclictest30743-21diskmemload12:13:350
14386991411,2cyclictest0-21swapper/010:30:190
14386991411,2cyclictest0-21swapper/009:46:340
14386991411,2cyclictest0-21swapper/007:50:180
1438699140,2cyclictest30743-21diskmemload12:20:380
1438699140,2cyclictest0-21swapper/011:25:280
1438699140,13cyclictest0-21swapper/010:21:510
1438699140,12cyclictest30743-21diskmemload12:26:130
1438699140,12cyclictest30743-21diskmemload11:45:210
1438699140,12cyclictest30743-21diskmemload11:05:530
1438699140,12cyclictest0-21swapper/012:04:080
1438699140,12cyclictest0-21swapper/012:04:080
1438699140,12cyclictest0-21swapper/011:04:130
1438699140,12cyclictest0-21swapper/010:52:300
142562140,2sleep20-21swapper/209:27:002
28942130,1sleep10-21swapper/110:27:051
1438999138,3cyclictest7458-21runrttasks09:36:253
1438999132,6cyclictest30743-21diskmemload10:40:013
14389991310,2cyclictest30743-21diskmemload12:36:023
14389991310,2cyclictest0-21swapper/312:10:493
14389991310,2cyclictest0-21swapper/312:00:423
14389991310,2cyclictest0-21swapper/312:00:413
14389991310,2cyclictest0-21swapper/311:12:143
14389991310,2cyclictest0-21swapper/310:10:503
14389991310,2cyclictest0-21swapper/309:45:433
14389991310,2cyclictest0-21swapper/308:25:153
1438999130,2cyclictest0-21swapper/311:25:463
1438999130,2cyclictest0-21swapper/310:31:583
1438999130,2cyclictest0-21swapper/310:08:353
1438999130,12cyclictest26721-21copy09:00:023
1438999130,12cyclictest0-21swapper/311:07:153
1438999130,12cyclictest0-21swapper/310:16:063
1438999130,12cyclictest0-21swapper/309:15:313
14388991310,2cyclictest30743-21diskmemload11:47:222
14388991310,2cyclictest0-21swapper/212:01:022
14388991310,2cyclictest0-21swapper/212:01:012
14388991310,2cyclictest0-21swapper/211:05:292
14388991310,2cyclictest0-21swapper/209:55:232
14388991310,2cyclictest0-21swapper/209:18:202
14388991310,2cyclictest0-21swapper/207:45:172
14388991310,2cyclictest0-21swapper/207:15:162
1438899130,2cyclictest30743-21diskmemload11:20:092
1438899130,2cyclictest22394-21ssh11:25:202
1438899130,2cyclictest0-21swapper/212:05:562
1438899130,2cyclictest0-21swapper/210:29:042
1438899130,2cyclictest0-21swapper/210:22:392
1438899130,2cyclictest0-21swapper/209:21:052
1438899130,12cyclictest0-21swapper/212:20:232
1438899130,12cyclictest0-21swapper/211:50:232
1438899130,12cyclictest0-21swapper/211:35:382
1438899130,12cyclictest0-21swapper/208:45:172
1438899130,12cyclictest0-21swapper/208:05:152
1438899130,12cyclictest0-21swapper/208:05:152
1438899130,12cyclictest0-21swapper/207:20:172
1438899130,11cyclictest0-21swapper/207:25:162
1438799138,4cyclictest0-21swapper/112:32:391
1438799131,9cyclictest0-21swapper/110:50:131
14387991310,2cyclictest30743-21diskmemload10:06:481
14387991310,2cyclictest0-21swapper/111:53:421
14387991310,2cyclictest0-21swapper/108:45:201
1438799130,2cyclictest0-21swapper/108:20:181
1438799130,12cyclictest0-21swapper/111:43:491
1438799130,12cyclictest0-21swapper/111:23:591
1438799130,12cyclictest0-21swapper/110:55:191
1438799130,11cyclictest30743-21diskmemload12:16:101
1438799130,11cyclictest0-21swapper/109:05:211
14386991310,2cyclictest30743-21diskmemload11:30:330
14386991310,2cyclictest0-21swapper/012:05:400
14386991310,2cyclictest0-21swapper/011:40:340
14386991310,2cyclictest0-21swapper/011:35:010
14386991310,2cyclictest0-21swapper/011:22:470
14386991310,2cyclictest0-21swapper/011:15:100
14386991310,2cyclictest0-21swapper/010:05:520
14386991310,2cyclictest0-21swapper/010:01:010
14386991310,2cyclictest0-21swapper/009:25:010
14386991310,2cyclictest0-21swapper/009:20:130
14386991310,2cyclictest0-21swapper/009:15:070
14386991310,2cyclictest0-21swapper/007:20:270
1438699130,2cyclictest30743-21diskmemload10:35:120
1438699130,2cyclictest24312-21sh09:38:590
1438699130,2cyclictest0-21swapper/012:33:510
1438699130,2cyclictest0-21swapper/011:56:090
1438699130,2cyclictest0-21swapper/009:54:530
1438699130,2cyclictest0-21swapper/009:43:100
1438699130,2cyclictest0-21swapper/008:05:140
1438699130,2cyclictest0-21swapper/008:05:130
1438699130,2cyclictest0-21swapper/007:40:150
1438699130,12cyclictest30743-21diskmemload10:56:030
1438699130,12cyclictest0-21swapper/011:50:110
1438699130,12cyclictest0-21swapper/010:41:030
1438699130,12cyclictest0-21swapper/009:12:090
1438699130,12cyclictest0-21swapper/007:15:180
139772130,2sleep30-21swapper/311:52:563
104392131,2sleep10-21swapper/111:11:411
1438999121,5cyclictest0-21swapper/308:00:003
1438899129,2cyclictest0-21swapper/208:30:212
1438899129,2cyclictest0-21swapper/208:25:202
1438899120,11cyclictest0-21swapper/211:31:082
1438899120,11cyclictest0-21swapper/210:50:112
1438799129,2cyclictest30743-21diskmemload09:13:071
1438799129,2cyclictest0-21swapper/109:30:311
1438799129,2cyclictest0-21swapper/108:03:111
1438799128,3cyclictest0-21swapper/107:30:141
1438799122,7cyclictest7497-21gdm-simple-gree08:56:581
1438799122,7cyclictest0-21swapper/112:12:591
1438799122,7cyclictest0-21swapper/107:43:581
1438799122,7cyclictest0-21swapper/107:26:591
1438799121,9cyclictest0-21swapper/109:00:221
1438799120,2cyclictest30743-21diskmemload11:56:211
1438799120,2cyclictest30743-21diskmemload10:00:261
1438799120,2cyclictest0-21swapper/112:05:071
1438799120,2cyclictest0-21swapper/111:48:251
1438799120,2cyclictest0-21swapper/111:32:191
1438799120,2cyclictest0-21swapper/110:45:201
1438799120,2cyclictest0-21swapper/110:42:291
1438799120,2cyclictest0-21swapper/110:21:221
1438799120,2cyclictest0-21swapper/110:15:211
1438799120,2cyclictest0-21swapper/110:11:101
1438799120,2cyclictest0-21swapper/109:50:261
1438799120,11cyclictest0-21swapper/112:22:591
1438799120,11cyclictest0-21swapper/112:00:121
1438799120,11cyclictest0-21swapper/112:00:111
1438799120,11cyclictest0-21swapper/111:37:251
1438799120,11cyclictest0-21swapper/111:08:151
1438799120,11cyclictest0-21swapper/108:10:141
1438699129,2cyclictest4045-21copy08:03:110
1438699129,2cyclictest0-21swapper/008:55:170
1438699129,2cyclictest0-21swapper/007:55:030
1438999113,6cyclictest0-21swapper/308:58:013
1438999112,6cyclictest0-21swapper/308:54:583
1438999111,5cyclictest0-21swapper/308:50:013
1438999110,10cyclictest0-21swapper/307:45:113
1438899118,2cyclictest14271-21kworker/u8:107:14:052
1438899110,1cyclictest0-21swapper/208:20:202
1438799118,2cyclictest30743-21diskmemload10:30:221
1438799118,2cyclictest0-21swapper/109:36:351
1438799117,2cyclictest0-21swapper/112:35:211
1438799117,2cyclictest0-21swapper/108:05:121
1438799117,2cyclictest0-21swapper/108:05:121
1438799112,6cyclictest0-21swapper/108:18:581
1438799112,6cyclictest0-21swapper/107:23:011
1438799112,5cyclictest0-21swapper/107:10:021
1438799111,8cyclictest16810-21munin-node1
1438799111,8cyclictest0-21swapper/109:26:221
1438799110,9cyclictest0-21swapper/111:25:191
1438799110,2cyclictest23872-21cut08:50:231
1438799110,10cyclictest0-21swapper/107:50:161
1438699118,2cyclictest0-21swapper/008:50:170
1438699118,2cyclictest0-21swapper/008:15:170
1438699118,2cyclictest0-21swapper/007:25:190
1438699110,2cyclictest0-21swapper/008:45:270
289182100,2sleep00-21swapper/009:05:020
1438999107,2cyclictest0-21swapper/308:33:113
1438999107,2cyclictest0-21swapper/308:03:123
1438999102,6cyclictest0-21swapper/307:40:243
1438999100,7cyclictest0-21swapper/307:20:023
1438899107,2cyclictest5732-21kworker/u8:007:35:052
1438899107,2cyclictest0-21swapper/209:00:062
1438799102,7cyclictest0-21swapper/107:55:011
1438799101,7cyclictest31660-21apt-get11:00:141
1438799101,2cyclictest17249-21if_eth007:15:151
1438799100,8cyclictest0-21swapper/107:35:181
1438699100,8cyclictest8536-21munin-run08:15:010
1438699100,2cyclictest0-21swapper/008:44:100
143899996,2cyclictest0-21swapper/307:25:153
143899994,3cyclictest16892-21cut07:15:123
143899994,3cyclictest10875-21telnet08:20:143
143899990,6cyclictest0-21swapper/307:35:253
143899990,2cyclictest0-21swapper/307:30:103
143889996,2cyclictest18775-21kworker/u8:107:43:042
143889996,2cyclictest0-21swapper/207:55:152
143889994,3cyclictest7458-21runrttasks08:40:032
143889994,3cyclictest23137-21sort07:30:162
143889994,3cyclictest18196-21grep08:35:272
143869996,2cyclictest0-21swapper/008:35:230
143869996,2cyclictest0-21swapper/007:13:110
143899985,2cyclictest277-21jbd2/sda1-809:05:073
143889983,3cyclictest8811-21head08:15:122
143889983,3cyclictest2467-21aten2.4_r3power08:00:142
143869985,2cyclictest12577-21grep08:25:010
143869985,2cyclictest0-21swapper/008:27:310
143869985,2cyclictest0-21swapper/007:45:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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