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2026-01-09 - 23:47

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 Jan 09, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24677211898,15sleep00-21swapper/007:08:310
24441211697,14sleep20-21swapper/207:05:292
245252111100,6sleep30-21swapper/307:06:353
24472210089,6sleep10-21swapper/107:05:521
154212730,0sleep10-21swapper/110:27:481
311562700,0sleep10-21swapper/112:29:531
82902560,0sleep10-21swapper/111:30:121
59012530,1sleep229-21rcuc/212:36:242
24821993817,19cyclictest0-21swapper/007:10:110
24824993617,1cyclictest0-21swapper/308:45:113
2482399255,18cyclictest7458-21runrttasks07:25:122
2482399255,18cyclictest7458-21runrttasks07:25:112
2482199241,21cyclictest0-21swapper/008:00:110
24822992219,2cyclictest0-21swapper/110:35:101
2482199221,2cyclictest0-21swapper/011:30:100
2482399210,19cyclictest0-21swapper/208:55:112
2482299210,2cyclictest0-21swapper/109:20:111
2482199211,18cyclictest0-21swapper/007:25:120
2482199211,18cyclictest0-21swapper/007:25:110
2482199210,19cyclictest0-21swapper/008:55:100
2482499202,2cyclictest0-21swapper/309:30:053
159932190,1sleep2301ktimersoftd/211:38:282
24823991714,2cyclictest15186-21kworker/u8:009:25:052
24823991713,2cyclictest4942-21kworker/u8:109:11:052
129332170,1sleep10-21swapper/112:10:091
69112161,3sleep06921-21ssh12:03:320
2482499161,3cyclictest0-21swapper/309:10:173
24824991611,3cyclictest8197-21apt-get09:45:093
2482399161,3cyclictest17764-21ssh09:19:592
24823991613,2cyclictest12575-21kworker/u8:009:59:032
2482399160,14cyclictest28181-21ssh10:41:042
2482299161,12cyclictest28071-21cut07:15:221
2482199161,13cyclictest22135-21smartctl11:10:150
2482199160,14cyclictest22577-21http_loadtime11:45:140
2482499152,7cyclictest0-21swapper/310:15:013
2482499151,12cyclictest30823-21apt-get10:45:113
2482499151,12cyclictest30823-21apt-get10:45:113
2482499151,12cyclictest17744-21latency_hist09:19:593
24824991510,3cyclictest3288-21ssh12:34:473
2482499150,13cyclictest6582-21latency_hist07:45:013
2482499150,13cyclictest27335-21cpuspeed_turbos07:15:113
2482499150,13cyclictest0-21swapper/311:10:183
24823991512,2cyclictest17394-21kworker/u8:211:52:052
2482399151,12cyclictest14829-21chrt09:51:332
24823991510,3cyclictest3657-21ps07:35:172
2482299151,12cyclictest4351-21ntp_states12:00:171
2482299150,3cyclictest0-21swapper/107:45:151
2482299150,13cyclictest0-21swapper/109:10:291
24821991511,2cyclictest0-21swapper/009:00:140
98132140,3sleep09914-21irqstats09:10:160
2482499143,7cyclictest37-21rcuc/310:55:243
2482399149,3cyclictest31552-21ssh12:30:112
24823991411,2cyclictest8888-21diskmemload10:27:142
24823991411,2cyclictest32107-21kworker/u8:110:32:042
24823991411,2cyclictest32107-21kworker/u8:110:14:052
24823991411,2cyclictest0-21swapper/207:45:142
2482399141,11cyclictest0-21swapper/211:20:062
2482399140,2cyclictest0-21swapper/211:47:042
2482399140,2cyclictest0-21swapper/211:05:532
2482399140,2cyclictest0-21swapper/211:01:242
2482399140,2cyclictest0-21swapper/208:40:132
2482399140,13cyclictest0-21swapper/211:10:042
2482399140,12cyclictest0-21swapper/210:35:112
2482399140,12cyclictest0-21swapper/210:18:212
2482399140,12cyclictest0-21swapper/208:00:012
2482299149,3cyclictest8888-21diskmemload11:48:471
24822991411,2cyclictest0-21swapper/107:40:131
2482299140,3cyclictest19202-21rm09:56:201
2482299140,3cyclictest0-21swapper/107:55:151
2482299140,2cyclictest0-21swapper/109:19:431
2482299140,1cyclictest0-21swapper/110:58:341
2482299140,12cyclictest8888-21diskmemload10:32:121
2482299140,12cyclictest17997-21ps11:05:181
2482199149,3cyclictest0-21swapper/011:43:140
2482199140,3cyclictest31045-21egrep10:45:130
2482199140,3cyclictest31045-21egrep10:45:120
2482199140,3cyclictest1314-21sort08:50:120
2482199140,2cyclictest0-21swapper/011:18:250
2482199140,12cyclictest31015-21ssh09:34:390
2482199140,12cyclictest14654-21ssh11:01:300
2482199140,12cyclictest12919-21sendmail08:00:010
155232141,9sleep315533-21ssh10:27:593
2482499132,6cyclictest0-21swapper/310:05:003
2482499132,6cyclictest0-21swapper/309:03:593
2482499131,6cyclictest0-21swapper/311:45:003
2482499131,11cyclictest37-21rcuc/311:27:053
24824991310,2cyclictest23226-21munin-node3
24824991310,2cyclictest0-21swapper/310:35:483
24824991310,2cyclictest0-21swapper/307:30:113
2482499130,2cyclictest0-21swapper/310:15:173
2482499130,2cyclictest0-21swapper/309:35:123
2482499130,12cyclictest0-21swapper/312:20:133
2482499130,12cyclictest0-21swapper/311:01:283
2482499130,11cyclictest37-21rcuc/312:12:083
2482499130,11cyclictest0-21swapper/311:59:483
2482499130,11cyclictest0-21swapper/311:23:533
2482499130,11cyclictest0-21swapper/311:17:573
2482499130,11cyclictest0-21swapper/309:25:333
2482399138,3cyclictest9408-21which12:05:222
2482399133,6cyclictest0-21swapper/212:15:232
2482399132,6cyclictest0-21swapper/209:05:002
2482399131,10cyclictest0-21swapper/211:30:102
24823991310,2cyclictest25243-21apt-get08:30:102
24823991310,2cyclictest1251-21kworker/u8:210:53:042
24823991310,2cyclictest0-21swapper/210:05:432
24823991310,2cyclictest0-21swapper/209:30:032
24823991310,2cyclictest0-21swapper/207:20:142
2482399130,3cyclictest25141-21ssh12:22:382
2482399130,2cyclictest0-21swapper/210:24:042
2482399130,12cyclictest0-21swapper/210:46:242
2482399130,12cyclictest0-21swapper/210:46:232
2482399130,12cyclictest0-21swapper/209:43:432
2482399130,11cyclictest8888-21diskmemload09:20:362
2482399130,11cyclictest0-21swapper/211:17:102
2482399130,11cyclictest0-21swapper/210:01:452
2482299139,3cyclictest0-21swapper/111:40:261
2482299132,6cyclictest0-21swapper/111:25:011
24822991310,2cyclictest0-21swapper/112:30:201
24822991310,2cyclictest0-21swapper/112:20:051
24822991310,2cyclictest0-21swapper/112:15:161
24822991310,2cyclictest0-21swapper/111:10:181
24822991310,2cyclictest0-21swapper/111:01:161
24822991310,2cyclictest0-21swapper/110:46:271
24822991310,2cyclictest0-21swapper/110:46:261
24822991310,2cyclictest0-21swapper/110:09:451
24822991310,2cyclictest0-21swapper/110:03:401
24822991310,2cyclictest0-21swapper/109:51:061
24822991310,2cyclictest0-21swapper/109:46:001
24822991310,2cyclictest0-21swapper/109:38:461
24822991310,2cyclictest0-21swapper/109:30:061
24822991310,2cyclictest0-21swapper/107:35:191
2482299130,2cyclictest0-21swapper/111:51:091
2482299130,2cyclictest0-21swapper/111:38:041
2482299130,2cyclictest0-21swapper/111:17:401
2482299130,2cyclictest0-21swapper/110:12:451
2482299130,2cyclictest0-21swapper/109:41:551
2482299130,12cyclictest0-21swapper/112:05:161
2482299130,12cyclictest0-21swapper/111:56:001
2482299130,12cyclictest0-21swapper/110:54:531
2482299130,12cyclictest0-21swapper/109:25:431
2482299130,12cyclictest0-21swapper/108:30:131
2482299130,11cyclictest0-21swapper/107:20:201
2482199138,3cyclictest25213-21ssh10:03:330
2482199138,3cyclictest0-21swapper/010:05:310
2482199131,2cyclictest8888-21diskmemload11:26:200
24821991310,2cyclictest14921-21ssh09:51:420
24821991310,2cyclictest0-21swapper/012:35:150
24821991310,2cyclictest0-21swapper/011:58:470
24821991310,2cyclictest0-21swapper/010:40:540
24821991310,2cyclictest0-21swapper/010:38:130
24821991310,2cyclictest0-21swapper/010:16:090
24821991310,2cyclictest0-21swapper/009:42:140
24821991310,2cyclictest0-21swapper/009:35:140
2482199130,2cyclictest8888-21diskmemload09:15:210
2482199130,2cyclictest7676-21copy10:55:010
2482199130,2cyclictest0-21swapper/012:25:180
2482199130,2cyclictest0-21swapper/011:24:140
2482199130,2cyclictest0-21swapper/009:55:380
2482199130,2cyclictest0-21swapper/009:20:530
2482199130,12cyclictest0-21swapper/012:10:040
2482199130,12cyclictest0-21swapper/010:28:590
2482199130,12cyclictest0-21swapper/009:26:540
2482199130,11cyclictest9999-21ssh12:05:440
2482199130,11cyclictest0-21swapper/011:07:540
63062120,2sleep30-21swapper/310:53:193
2482499129,2cyclictest0-21swapper/312:35:383
2482499129,2cyclictest0-21swapper/312:05:103
2482499129,2cyclictest0-21swapper/312:02:503
2482499129,2cyclictest0-21swapper/311:50:203
2482499129,2cyclictest0-21swapper/311:48:133
2482499129,2cyclictest0-21swapper/310:05:283
2482499129,2cyclictest0-21swapper/309:50:383
2482499122,7cyclictest0-21swapper/307:59:023
24824991210,1cyclictest0-21swapper/312:26:083
2482499120,2cyclictest0-21swapper/311:35:143
2482499120,2cyclictest0-21swapper/311:32:543
2482499120,2cyclictest0-21swapper/309:40:263
2482499120,2cyclictest0-21swapper/309:20:233
2482499120,11cyclictest0-21swapper/312:17:153
2482499120,11cyclictest0-21swapper/308:10:173
2482499120,11cyclictest0-21swapper/308:00:243
2482399129,2cyclictest27901-21kworker/u8:008:45:052
2482399129,2cyclictest17394-21kworker/u8:211:41:032
2482399129,2cyclictest0-21swapper/212:01:042
2482399129,2cyclictest0-21swapper/211:25:122
2482399129,2cyclictest0-21swapper/209:38:312
2482399128,2cyclictest0-21swapper/208:35:092
2482399127,3cyclictest31847-21munin-node2
2482399127,3cyclictest0-21swapper/210:55:142
2482399120,2cyclictest0-21swapper/208:07:442
2482399120,2cyclictest0-21swapper/207:40:182
2482399120,11cyclictest0-21swapper/209:05:122
2482399120,11cyclictest0-21swapper/207:10:132
2482399120,10cyclictest0-21swapper/209:46:352
2482299129,2cyclictest0-21swapper/110:41:061
2482299129,2cyclictest0-21swapper/110:20:201
2482299129,2cyclictest0-21swapper/108:10:211
2482299129,2cyclictest0-21swapper/108:05:131
2482299129,2cyclictest0-21swapper/107:25:191
2482299129,2cyclictest0-21swapper/107:25:181
2482299129,2cyclictest0-21swapper/107:10:111
2482299128,2cyclictest2632-21latency_hist07:35:011
2482299121,9cyclictest0-21swapper/107:50:131
2482299120,2cyclictest0-21swapper/110:15:521
2482299120,11cyclictest0-21swapper/112:35:321
2482299120,11cyclictest0-21swapper/111:20:061
2482299120,11cyclictest0-21swapper/108:55:121
2482299120,11cyclictest0-21swapper/108:20:131
2482199129,2cyclictest0-21swapper/012:31:540
2482199129,2cyclictest0-21swapper/012:21:090
2482199129,2cyclictest0-21swapper/012:15:100
2482199129,2cyclictest0-21swapper/011:50:360
2482199129,2cyclictest0-21swapper/010:50:430
2482199129,2cyclictest0-21swapper/008:45:080
2482199129,2cyclictest0-21swapper/008:35:210
2482199128,2cyclictest9752-21ssh09:45:230
2482199127,3cyclictest0-21swapper/007:30:150
2482199120,11cyclictest0-21swapper/010:20:230
2482199120,11cyclictest0-21swapper/010:10:470
2482199120,11cyclictest0-21swapper/007:45:160
181702120,2sleep30-21swapper/310:30:223
153122120,2sleep08888-21diskmemload11:37:220
27052110,1sleep3381ktimersoftd/307:35:093
2482499118,2cyclictest0-21swapper/311:08:503
2482499118,2cyclictest0-21swapper/310:24:483
2482499116,3cyclictest277-21jbd2/sda1-808:18:503
2482499113,6cyclictest0-21swapper/307:45:223
2482499112,7cyclictest8888-21diskmemload09:57:593
2482499112,6cyclictest0-21swapper/308:55:233
2482499112,6cyclictest0-21swapper/308:50:203
2482499110,10cyclictest0-21swapper/310:42:113
2482399118,2cyclictest0-21swapper/212:27:592
2482399118,2cyclictest0-21swapper/212:10:482
2482399118,2cyclictest0-21swapper/208:25:072
2482399118,2cyclictest0-21swapper/208:20:172
2482399118,2cyclictest0-21swapper/208:10:162
2482399118,2cyclictest0-21swapper/207:50:162
2482399118,2cyclictest0-21swapper/207:30:132
2482399112,7cyclictest0-21swapper/207:19:582
2482299118,2cyclictest0-21swapper/108:50:201
2482299111,6cyclictest0-21swapper/109:04:591
2482299111,3cyclictest4967-21aten2.4-expect09:00:111
2482299111,2cyclictest31318-21apt-get08:45:101
2482299110,9cyclictest0-21swapper/108:25:181
2482199118,2cyclictest0-21swapper/010:32:280
2482199118,2cyclictest0-21swapper/008:21:440
2482199118,2cyclictest0-21swapper/007:50:150
2482199118,2cyclictest0-21swapper/007:20:090
2482499105,3cyclictest6119-21NetworkManager08:30:113
2482499105,3cyclictest16982-21cat08:10:013
2482499102,7cyclictest0-21swapper/307:51:023
2482499101,7cyclictest0-21swapper/309:08:593
2482499101,5cyclictest0-21swapper/308:20:113
2482499100,7cyclictest0-21swapper/307:25:023
2482499100,7cyclictest0-21swapper/307:25:023
2482399101,6cyclictest0-21swapper/208:15:232
2482299107,2cyclictest19161-21apt-get08:15:101
2482299100,3cyclictest0-21swapper/108:00:131
2482299100,2cyclictest21-21rcuc/108:35:101
2482199107,2cyclictest17150-21apt-get08:10:110
2482199105,3cyclictest28850-21sendmail07:20:000
2482199101,6cyclictest0-21swapper/008:40:100
248249994,3cyclictest28133-21ntp_offset08:35:153
248249994,3cyclictest26036-21pzem_energy07:10:193
248239996,2cyclictest0-21swapper/208:00:122
248229996,2cyclictest0-21swapper/108:40:101
248219996,2cyclictest0-21swapper/008:30:110
248219996,2cyclictest0-21swapper/007:40:240
248219994,3cyclictest7458-21runrttasks07:39:040
248219994,3cyclictest23879-21if_eth008:25:160
248219994,3cyclictest0-21swapper/008:05:120
248219991,6cyclictest0-21swapper/008:17:460
248249983,3cyclictest29381-21df07:20:123
248249983,3cyclictest29039-21cron08:40:003
248239983,3cyclictest2247-21unixbench_singl08:50:222
248219981,5cyclictest7091-21basename09:05:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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