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2026-03-06 - 19:17

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 Mar 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16458211895,18sleep00-21swapper/007:05:220
16984211498,11sleep10-21swapper/107:06:431
16968211496,13sleep20-21swapper/207:06:322
17152210593,6sleep30-21swapper/307:08:543
179902730,1sleep217997-21timerwakeupswit09:26:032
17502560,1sleep01751-21ssh12:30:430
276812550,1sleep229-21rcuc/211:16:432
17269993617,18cyclictest0-21swapper/107:45:111
74452270,0sleep30-21swapper/312:03:213
1727099211,2cyclictest0-21swapper/208:30:122
1727099210,2cyclictest0-21swapper/208:40:092
1726999210,4cyclictest0-21swapper/110:20:041
1726899210,2cyclictest0-21swapper/008:50:110
254842200,0sleep20-21swapper/212:21:272
1727099200,2cyclictest0-21swapper/208:50:102
1726999200,18cyclictest0-21swapper/107:35:121
1726999190,3cyclictest0-21swapper/107:52:051
1726999190,18cyclictest0-21swapper/111:25:121
1726899181,2cyclictest0-21swapper/009:55:100
30852170,0sleep00-21swapper/010:18:200
1727199171,14cyclictest0-21swapper/309:30:183
1726899170,2cyclictest0-21swapper/012:26:050
17271991611,3cyclictest7458-21runrttasks11:59:223
17270991611,3cyclictest10083-21rm11:32:052
1726999160,14cyclictest0-21swapper/111:05:191
1726899161,3cyclictest18277-21ssh10:00:140
1726899161,13cyclictest11054-21munin-run09:20:010
1726899160,15cyclictest0-21swapper/012:17:050
57222150,0sleep00-21swapper/009:14:300
1727199153,8cyclictest17816-21ssh09:26:013
1727199151,3cyclictest32108-21grep07:45:143
17271991511,2cyclictest31785-21apt-get10:15:053
1727199151,12cyclictest0-21swapper/311:36:083
1727199150,13cyclictest8199-21smart_sda09:16:043
1727199150,13cyclictest0-21swapper/312:30:293
17270991510,3cyclictest27167-21ssh11:50:132
17270991510,3cyclictest0-21swapper/211:05:162
1727099150,13cyclictest1230-21diskmemload09:50:452
1726999151,2cyclictest2714-21ssh10:17:451
17269991510,3cyclictest0-21swapper/110:35:541
17269991510,3cyclictest0-21swapper/110:30:141
1726999150,3cyclictest0-21swapper/112:31:041
1726999150,13cyclictest0-21swapper/112:14:041
1726999150,13cyclictest0-21swapper/110:06:451
1726899150,2cyclictest0-21swapper/011:30:040
74222140,3sleep07435-21ssh12:36:130
200682140,2sleep00-21swapper/011:42:380
1727199142,6cyclictest0-21swapper/308:45:003
17271991411,2cyclictest0-21swapper/310:06:483
1727199141,11cyclictest26261-21iostat07:30:163
1727199141,11cyclictest17906-21ssh11:06:263
1727199141,11cyclictest1360-21diskmemload09:42:583
1727199140,2cyclictest0-21swapper/310:55:583
1727199140,12cyclictest0-21swapper/311:50:183
1727099141,2cyclictest1230-21diskmemload12:36:392
17270991411,2cyclictest1230-21diskmemload10:16:252
17270991411,2cyclictest0-21swapper/210:25:362
17270991410,2cyclictest0-21swapper/212:12:092
1727099140,3cyclictest24735-21sort10:40:152
1727099140,2cyclictest0-21swapper/212:04:562
1727099140,2cyclictest0-21swapper/211:12:552
1727099140,2cyclictest0-21swapper/210:30:452
1727099140,2cyclictest0-21swapper/210:10:052
1727099140,2cyclictest0-21swapper/210:01:162
1727099140,2cyclictest0-21swapper/209:40:552
1727099140,13cyclictest0-21swapper/210:35:552
1727099140,12cyclictest30645-21ssh10:45:552
1727099140,12cyclictest15772-21basename08:25:112
1727099140,12cyclictest15772-21basename08:25:102
1727099140,12cyclictest1230-21diskmemload11:35:272
1727099140,12cyclictest0-21swapper/212:25:492
17269991411,2cyclictest0-21swapper/112:02:591
1726999140,12cyclictest1230-21diskmemload12:36:451
1726999140,12cyclictest1230-21diskmemload09:22:381
1726999140,12cyclictest0-21swapper/111:48:561
1726999140,12cyclictest0-21swapper/110:52:361
1726899142,7cyclictest0-21swapper/008:00:000
1726899142,6cyclictest0-21swapper/011:40:010
1726899140,3cyclictest27974-21ssh11:17:100
1726899140,3cyclictest17719-21ssh11:06:100
1726899140,3cyclictest12385-21rm12:08:290
38372130,2sleep30-21swapper/310:52:163
1727199138,3cyclictest26965-21grep11:15:553
1727199138,3cyclictest0-21swapper/312:05:153
1727199132,6cyclictest0-21swapper/310:00:003
1727199132,6cyclictest0-21swapper/307:20:003
1727199131,10cyclictest5676-21ssh09:47:113
17271991310,2cyclictest0-21swapper/312:14:193
17271991310,2cyclictest0-21swapper/311:00:093
17271991310,2cyclictest0-21swapper/310:45:153
1727199130,2cyclictest0-21swapper/311:49:173
1727199130,11cyclictest0-21swapper/311:41:093
1727199130,11cyclictest0-21swapper/309:38:393
17270991310,2cyclictest1230-21diskmemload09:31:172
17270991310,2cyclictest0-21swapper/212:08:252
17270991310,2cyclictest0-21swapper/210:51:462
17270991310,2cyclictest0-21swapper/210:07:382
17270991310,2cyclictest0-21swapper/208:55:152
17270991310,2cyclictest0-21swapper/208:00:132
1727099130,2cyclictest0-21swapper/209:35:122
1727099130,2cyclictest0-21swapper/209:15:172
1727099130,2cyclictest0-21swapper/209:14:282
1727099130,12cyclictest0-21swapper/210:58:252
1727099130,12cyclictest0-21swapper/210:22:252
1727099130,11cyclictest0-21swapper/211:04:292
1727099130,11cyclictest0-21swapper/209:46:242
1726999131,11cyclictest0-21swapper/110:47:041
17269991310,2cyclictest21-21rcuc/111:38:401
17269991310,2cyclictest0-21swapper/112:07:241
17269991310,2cyclictest0-21swapper/111:31:421
17269991310,2cyclictest0-21swapper/110:11:041
17269991310,2cyclictest0-21swapper/109:53:341
17269991310,2cyclictest0-21swapper/109:15:541
1726999130,3cyclictest0-21swapper/111:01:351
1726999130,2cyclictest0-21swapper/112:28:061
1726999130,2cyclictest0-21swapper/112:19:121
1726999130,2cyclictest0-21swapper/111:52:291
1726999130,2cyclictest0-21swapper/111:40:341
1726999130,2cyclictest0-21swapper/109:59:541
1726999130,2cyclictest0-21swapper/109:27:541
1726999130,12cyclictest0-21swapper/109:38:551
1726999130,12cyclictest0-21swapper/108:30:401
1726999130,12cyclictest0-21swapper/107:40:091
1726999130,12cyclictest0-21swapper/107:20:181
1726999130,11cyclictest1230-21diskmemload10:56:251
1726899132,6cyclictest0-21swapper/008:10:010
1726899131,2cyclictest20164-21ssh09:29:120
1726899131,2cyclictest0-21swapper/010:14:580
17268991310,2cyclictest1230-21diskmemload12:10:120
17268991310,2cyclictest0-21swapper/011:50:410
17268991310,2cyclictest0-21swapper/011:13:020
17268991310,2cyclictest0-21swapper/009:33:390
1726899130,2cyclictest4617-21python09:46:000
1726899130,2cyclictest1230-21diskmemload12:02:510
1726899130,2cyclictest1230-21diskmemload10:46:390
1726899130,2cyclictest0-21swapper/008:10:120
1726899130,11cyclictest27398-21ssh10:43:230
49772120,2sleep01230-21diskmemload11:26:560
1727199129,2cyclictest21950-21ssh11:10:513
1727199129,2cyclictest0-21swapper/310:25:593
1727199129,2cyclictest0-21swapper/310:00:113
1727199129,2cyclictest0-21swapper/309:20:153
1727199129,2cyclictest0-21swapper/308:35:153
1727199129,2cyclictest0-21swapper/307:25:123
1727199127,3cyclictest29614-21apt-get07:40:053
1727199122,7cyclictest0-21swapper/308:26:593
1727199122,7cyclictest0-21swapper/308:26:583
1727199122,7cyclictest0-21swapper/308:14:023
1727199122,6cyclictest0-21swapper/309:10:013
1727199120,2cyclictest0-21swapper/312:23:233
1727199120,2cyclictest0-21swapper/312:18:223
1727199120,2cyclictest0-21swapper/311:34:563
1727199120,2cyclictest0-21swapper/308:50:153
1727199120,11cyclictest0-21swapper/311:27:533
1727199120,11cyclictest0-21swapper/311:20:563
1727199120,11cyclictest0-21swapper/311:20:553
1727199120,11cyclictest0-21swapper/310:40:123
1727199120,11cyclictest0-21swapper/310:30:133
1727199120,11cyclictest0-21swapper/310:21:023
1727199120,11cyclictest0-21swapper/309:00:143
1727199120,11cyclictest0-21swapper/307:55:163
1727199120,11cyclictest0-21swapper/307:10:183
1727199120,10cyclictest1230-21diskmemload10:12:103
1727199120,10cyclictest11523-21ssh09:53:283
1727099129,2cyclictest0-21swapper/211:40:562
1727099129,2cyclictest0-21swapper/211:26:482
1727099129,2cyclictest0-21swapper/211:20:192
1727099129,2cyclictest0-21swapper/211:20:182
1727099129,2cyclictest0-21swapper/209:05:152
1727099129,2cyclictest0-21swapper/207:40:132
1727099129,2cyclictest0-21swapper/207:26:022
1727099127,3cyclictest15540-21munin-plugin-st08:25:002
1727099120,7cyclictest3275-21copy07:55:012
1727099120,2cyclictest0-21swapper/212:16:282
1727099120,2cyclictest0-21swapper/207:38:572
1727099120,11cyclictest0-21swapper/211:57:362
1727099120,11cyclictest0-21swapper/211:45:082
1727099120,11cyclictest0-21swapper/209:56:272
1727099120,11cyclictest0-21swapper/209:20:012
1727099120,10cyclictest2452-21sh12:31:122
1726999129,2cyclictest1230-21diskmemload11:55:331
1726999129,2cyclictest1230-21diskmemload10:40:031
1726999129,2cyclictest0-21swapper/110:04:371
1726999129,2cyclictest0-21swapper/109:45:171
1726999127,3cyclictest0-21swapper/108:25:141
1726999127,3cyclictest0-21swapper/108:25:131
1726999122,7cyclictest0-21swapper/108:11:581
1726999120,2cyclictest0-21swapper/111:10:311
1726999120,2cyclictest0-21swapper/109:44:321
1726999120,2cyclictest0-21swapper/109:30:161
1726999120,2cyclictest0-21swapper/108:16:031
1726999120,2cyclictest0-21swapper/107:25:161
1726999120,11cyclictest0-21swapper/112:20:351
1726999120,11cyclictest0-21swapper/111:21:051
1726999120,11cyclictest0-21swapper/111:21:051
1726999120,11cyclictest0-21swapper/111:15:101
1726999120,11cyclictest0-21swapper/110:26:551
1726999120,11cyclictest0-21swapper/109:11:141
1726999120,11cyclictest0-21swapper/109:00:201
1726999120,11cyclictest0-21swapper/107:55:161
1726999120,10cyclictest26593-21cut07:30:191
1726899129,2cyclictest0-21swapper/012:23:000
1726899129,2cyclictest0-21swapper/010:50:420
1726899129,2cyclictest0-21swapper/010:36:500
1726899129,2cyclictest0-21swapper/010:05:020
1726899129,2cyclictest0-21swapper/009:50:160
1726899129,2cyclictest0-21swapper/009:35:020
1726899122,7cyclictest0-21swapper/007:32:580
1726899122,7cyclictest0-21swapper/007:28:590
1726899122,6cyclictest0-21swapper/009:08:490
1726899122,6cyclictest0-21swapper/008:35:000
1726899122,6cyclictest0-21swapper/007:43:330
1726899121,10cyclictest364-21kworker/u8:207:15:050
1726899121,10cyclictest10400-21kworker/u8:211:45:030
1726899120,2cyclictest5798-21ssh10:55:000
1726899120,2cyclictest1230-21diskmemload11:03:090
1726899120,2cyclictest0-21swapper/010:21:120
1726899120,11cyclictest10575-21ssh10:25:190
1726899120,11cyclictest0-21swapper/009:40:210
1726899120,11cyclictest0-21swapper/009:20:390
1726899120,10cyclictest19767-21kworker/u8:108:36:050
1727199118,2cyclictest0-21swapper/312:25:083
1727199118,2cyclictest0-21swapper/310:35:193
1727199112,5cyclictest0-21swapper/308:20:003
1727099111,6cyclictest0-21swapper/207:11:022
1726999118,2cyclictest0-21swapper/108:35:141
1726999117,2cyclictest0-21swapper/108:40:101
1726899118,2cyclictest0-21swapper/011:55:520
1726899110,2cyclictest0-21swapper/009:00:130
1726899110,10cyclictest0-21swapper/011:22:320
1726899110,10cyclictest0-21swapper/011:22:320
1726899110,10cyclictest0-21swapper/010:31:120
1726899110,10cyclictest0-21swapper/007:10:170
66112100,7sleep30-21swapper/308:00:513
1727199107,2cyclictest0-21swapper/312:36:053
1727199107,2cyclictest0-21swapper/308:45:133
1727199102,7cyclictest0-21swapper/307:37:593
1727199102,6cyclictest0-21swapper/308:06:003
1727099105,3cyclictest21561-21cron08:40:012
1727099102,7cyclictest0-21swapper/208:09:012
1727099102,6cyclictest0-21swapper/207:56:002
1727099102,6cyclictest0-21swapper/207:46:002
1727099100,2cyclictest0-21swapper/207:20:112
1726999105,3cyclictest32144-21cpuspeed_turbos09:05:131
1726999102,5cyclictest0-21swapper/108:08:581
1726999100,8cyclictest23814-21munin-node1
1726999100,8cyclictest0-21swapper/108:20:101
1726999100,7cyclictest7497-21gdm-simple-gree07:18:581
1726999100,3cyclictest5506-21munin-node1
1726999100,3cyclictest25820-21munin-node1
1726899107,2cyclictest0-21swapper/008:25:170
1726899107,2cyclictest0-21swapper/008:25:160
1726899107,2cyclictest0-21swapper/008:25:000
1726899106,2cyclictest0-21swapper/007:55:050
1726899106,2cyclictest0-21swapper/007:20:130
1726899105,3cyclictest32163-21cpuspeed_turbos07:45:130
1726899105,3cyclictest2036-21grep07:50:150
1726899105,3cyclictest0-21swapper/007:38:540
1726899102,6cyclictest0-21swapper/008:56:000
1726899102,5cyclictest0-21swapper/008:16:020
172719994,3cyclictest6431-21nscd08:20:183
172719994,3cyclictest32295-21entropy09:05:143
172719994,3cyclictest28279-21grep08:55:143
172719994,3cyclictest2242-21missed_timers07:50:163
172719994,3cyclictest18145-21df_abs08:30:153
172719991,3cyclictest7458-21runrttasks07:20:143
172709992,6cyclictest0-21swapper/209:03:592
172709992,5cyclictest0-21swapper/208:46:592
172709992,5cyclictest0-21swapper/208:20:012
172699996,2cyclictest21-21rcuc/108:55:101
172699996,2cyclictest21-21rcuc/107:10:041
172689991,6cyclictest10146-21kworker/0:008:40:110
172709985,2cyclictest0-21swapper/207:30:162
172709983,3cyclictest10187-21sort08:10:132
172709980,6cyclictest0-21swapper/207:16:002
172689983,3cyclictest23842-21aten2.4_r3power08:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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