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2026-03-28 - 17:07

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Sat Mar 28, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16718210689,12sleep10-21swapper/107:06:041
15224210280,14sleep20-21swapper/207:05:052
1695629878,15sleep00-21swapper/007:09:080
1695929786,6sleep30-21swapper/307:09:113
295622830,1sleep30-21swapper/310:45:293
178182810,0sleep10-21swapper/109:26:021
287192740,0sleep30-21swapper/311:51:353
9342480,1sleep2933-21ssh11:23:322
1705299240,13cyclictest9944-21sed10:25:153
1705099240,2cyclictest0-21swapper/112:25:021
1705299230,13cyclictest4288-21users11:26:043
1705099230,2cyclictest0-21swapper/112:25:011
1705299221,12cyclictest18807-21aten2.4-expect10:35:123
17052992210,3cyclictest12534-21mailstats08:16:013
1705299220,3cyclictest0-21swapper/311:19:533
1705299210,2cyclictest0-21swapper/312:25:013
1705299210,2cyclictest0-21swapper/312:10:113
1705299210,2cyclictest0-21swapper/312:10:113
156802210,0sleep10-21swapper/111:38:461
1705299201,6cyclictest0-21swapper/312:20:003
17051992015,3cyclictest8559-21kworker/u8:111:08:042
1705099200,18cyclictest0-21swapper/108:05:121
1704999200,2cyclictest0-21swapper/008:30:130
1705299172,5cyclictest0-21swapper/311:40:003
1705299171,13cyclictest21590-21cpuspeed_turbos07:20:133
1705099171,4cyclictest11727-21latency_hist11:34:591
17052991611,3cyclictest0-21swapper/310:11:023
1705199161,3cyclictest4762-21unixbench_singl07:56:052
17051991613,2cyclictest7897-21kworker/u8:010:24:022
17051991613,2cyclictest6759-21kworker/u8:212:38:062
1705199160,3cyclictest20884-1kworker/u9:110:41:042
1705199160,14cyclictest0-21swapper/211:12:062
17050991611,3cyclictest0-21swapper/107:20:161
1705299151,3cyclictest11155-21perl11:00:153
1705299151,12cyclictest31430-21munin-node3
17052991510,3cyclictest8593-21munin-node3
17051991512,2cyclictest20015-21kworker/u8:010:55:052
1705199151,12cyclictest1174-21taskset09:43:092
17050991510,3cyclictest0-21swapper/112:16:041
1705099150,2cyclictest0-21swapper/111:25:171
1705099150,2cyclictest0-21swapper/110:50:171
87862140,2sleep00-21swapper/010:24:590
40482141,3sleep04059-21ssh10:53:050
17582140,3sleep01768-21ssh12:31:000
17052991411,2cyclictest0-21swapper/307:10:163
1705299140,12cyclictest0-21swapper/308:20:143
1705199149,3cyclictest12867-21df_inode09:55:122
17051991411,2cyclictest31025-21kworker/u8:210:52:052
17051991411,2cyclictest3062-21kworker/u8:012:00:052
1705199140,12cyclictest23692-21tr10:06:002
1705199140,12cyclictest0-21swapper/210:15:312
1705099149,3cyclictest0-21swapper/110:55:171
1705099149,3cyclictest0-21swapper/110:34:271
1705099141,3cyclictest12423-21cut08:15:291
17050991411,2cyclictest0-21swapper/111:22:171
17050991411,2cyclictest0-21swapper/110:26:171
17050991410,2cyclictest0-21swapper/112:10:491
17050991410,2cyclictest0-21swapper/112:10:491
17050991410,2cyclictest0-21swapper/110:38:491
1705099140,2cyclictest0-21swapper/112:33:061
1705099140,2cyclictest0-21swapper/109:35:101
1705099140,2cyclictest0-21swapper/109:12:071
1705099140,13cyclictest0-21swapper/110:20:141
1705099140,13cyclictest0-21swapper/109:56:071
1705099140,12cyclictest32097-21iostat07:45:121
1705099140,12cyclictest0-21swapper/111:41:501
1705099140,12cyclictest0-21swapper/111:05:171
1705099140,12cyclictest0-21swapper/110:01:211
1705099140,12cyclictest0-21swapper/109:24:391
1705099140,12cyclictest0-21swapper/107:25:131
17049991411,2cyclictest0-21swapper/010:45:130
17049991410,2cyclictest27292-21apt-get08:55:060
1704999140,2cyclictest0-21swapper/010:18:530
1704999140,12cyclictest32057-21ssh09:41:020
1704999140,12cyclictest0-21swapper/010:30:480
1704999140,12cyclictest0-21swapper/010:13:590
35602130,1sleep00-21swapper/007:55:140
1705299138,3cyclictest9327-21sed08:10:013
1705299132,6cyclictest0-21swapper/309:05:013
1705299132,6cyclictest0-21swapper/308:45:013
1705299131,6cyclictest0-21swapper/312:10:003
1705299131,10cyclictest3860-21apt-get10:19:593
17052991310,2cyclictest0-21swapper/312:00:153
17052991310,2cyclictest0-21swapper/311:42:143
17052991310,2cyclictest0-21swapper/310:56:253
17052991310,2cyclictest0-21swapper/310:00:033
17052991310,2cyclictest0-21swapper/309:44:563
17052991310,2cyclictest0-21swapper/309:22:053
17052991310,2cyclictest0-21swapper/307:56:023
1705299130,3cyclictest5222-21ssh09:46:413
1705299130,2cyclictest0-21swapper/312:30:143
1705299130,2cyclictest0-21swapper/311:06:473
1705299130,2cyclictest0-21swapper/310:54:153
1705299130,2cyclictest0-21swapper/309:37:053
1705299130,2cyclictest0-21swapper/309:30:073
1705299130,2cyclictest0-21swapper/309:15:183
1705299130,2cyclictest0-21swapper/309:06:043
1705199131,10cyclictest0-21swapper/212:25:472
17051991310,2cyclictest8621-21kworker/u8:212:20:052
17051991310,2cyclictest32611-21kworker/u8:111:37:052
17051991310,2cyclictest31798-21kworker/u8:010:03:052
17051991310,2cyclictest24900-21kworker/u8:007:42:022
17051991310,2cyclictest20015-21kworker/u8:011:17:042
17051991310,2cyclictest16252-21kworker/u8:107:22:012
17051991310,2cyclictest0-21swapper/209:35:102
1705199130,8cyclictest0-21swapper/208:28:052
1705199130,2cyclictest0-21swapper/208:30:132
1705199130,12cyclictest0-21swapper/209:10:012
1705199130,11cyclictest21832-21ssh12:18:382
1705099138,3cyclictest0-21swapper/112:00:121
1705099132,6cyclictest0-21swapper/108:35:011
1705099132,5cyclictest0-21swapper/107:39:591
17050991310,2cyclictest9976-21ssh12:05:481
17050991310,2cyclictest0-21swapper/112:35:591
17050991310,2cyclictest0-21swapper/111:51:491
17050991310,2cyclictest0-21swapper/111:19:341
17050991310,2cyclictest0-21swapper/111:11:571
17050991310,2cyclictest0-21swapper/110:45:491
17050991310,2cyclictest0-21swapper/110:05:361
17050991310,2cyclictest0-21swapper/109:46:271
17050991310,2cyclictest0-21swapper/109:00:131
17050991310,2cyclictest0-21swapper/108:48:121
17050991310,2cyclictest0-21swapper/107:40:131
17050991310,2cyclictest0-21swapper/107:15:181
1705099130,3cyclictest3842-21ssh10:19:581
1705099130,2cyclictest0-21swapper/111:56:161
1705099130,2cyclictest0-21swapper/109:15:111
1705099130,12cyclictest0-21swapper/109:41:461
1705099130,12cyclictest0-21swapper/109:06:031
1705099130,11cyclictest13500-21ssh11:02:351
17049991310,2cyclictest22373-21ssh10:38:400
17049991310,2cyclictest0-21swapper/012:37:440
17049991310,2cyclictest0-21swapper/012:10:120
17049991310,2cyclictest0-21swapper/012:10:110
17049991310,2cyclictest0-21swapper/011:51:510
17049991310,2cyclictest0-21swapper/011:42:040
17049991310,2cyclictest0-21swapper/011:25:520
17049991310,2cyclictest0-21swapper/011:16:050
17049991310,2cyclictest0-21swapper/011:05:160
17049991310,2cyclictest0-21swapper/010:27:410
17049991310,2cyclictest0-21swapper/009:47:050
17049991310,2cyclictest0-21swapper/009:38:130
17049991310,2cyclictest0-21swapper/009:05:130
1704999130,2cyclictest9289-21iostat_ios12:05:160
1704999130,2cyclictest0-21swapper/011:20:150
1704999130,2cyclictest0-21swapper/010:05:130
1704999130,2cyclictest0-21swapper/009:55:110
1704999130,2cyclictest0-21swapper/008:15:160
1704999130,2cyclictest0-21swapper/007:40:150
1704999130,12cyclictest904-21diskmemload12:15:210
1704999130,12cyclictest0-21swapper/011:45:370
1704999130,12cyclictest0-21swapper/011:14:430
1704999130,12cyclictest0-21swapper/008:00:160
96602120,2sleep20-21swapper/212:05:202
286292120,2sleep20-21swapper/211:51:272
229702121,7sleep20-21swapper/211:45:452
1705299129,2cyclictest0-21swapper/310:40:263
1705299129,2cyclictest0-21swapper/309:13:233
1705299129,2cyclictest0-21swapper/307:16:013
1705299127,3cyclictest28558-21python07:36:013
1705299126,4cyclictest24024-21sed10:06:023
1705299126,4cyclictest12556-21telnet09:55:103
1705299122,5cyclictest0-21swapper/308:30:013
1705299122,5cyclictest0-21swapper/308:05:003
1705299120,2cyclictest6545-21rm12:35:423
1705299120,11cyclictest904-21diskmemload11:45:063
1705299120,11cyclictest0-21swapper/311:31:533
1705299120,11cyclictest0-21swapper/311:11:143
1705299120,11cyclictest0-21swapper/310:30:053
1705299120,11cyclictest0-21swapper/310:24:423
1705299120,11cyclictest0-21swapper/309:25:533
1705299120,11cyclictest0-21swapper/308:35:113
1705299120,10cyclictest0-21swapper/312:21:533
1705199129,2cyclictest31798-21kworker/u8:009:45:052
1705199129,2cyclictest26866-21kworker/u8:110:10:062
1705199129,2cyclictest24900-21kworker/u8:007:51:052
1705199129,2cyclictest15889-21kworker/u8:011:43:042
1705199129,2cyclictest14038-21kworker/u8:210:35:072
1705199129,2cyclictest1231-21kworker/u8:209:15:052
1705199129,2cyclictest1231-21kworker/u8:209:13:052
1705199129,2cyclictest1075-21kworker/u8:208:00:052
1705199129,2cyclictest0-21swapper/210:30:152
1705199129,2cyclictest0-21swapper/209:22:582
1705199129,2cyclictest0-21swapper/207:45:112
1705199127,3cyclictest0-21swapper/207:15:122
1705199122,7cyclictest0-21swapper/209:50:012
1705199122,7cyclictest0-21swapper/208:50:022
1705199121,9cyclictest11769-21ssh11:00:312
1705199120,2cyclictest0-21swapper/211:25:162
1705199120,11cyclictest0-21swapper/211:34:372
1705099129,2cyclictest0-21swapper/107:55:091
1705099122,7cyclictest0-21swapper/108:37:581
1705099121,9cyclictest0-21swapper/107:30:161
1705099120,2cyclictest0-21swapper/110:11:321
1705099120,1cyclictest0-21swapper/111:45:201
1705099120,11cyclictest0-21swapper/110:40:011
1705099120,11cyclictest0-21swapper/109:50:271
1705099120,11cyclictest0-21swapper/109:30:511
1705099120,11cyclictest0-21swapper/108:55:071
1705099120,11cyclictest0-21swapper/108:00:141
1705099120,11cyclictest0-21swapper/107:50:151
1704999129,2cyclictest0-21swapper/012:23:230
1704999129,2cyclictest0-21swapper/011:30:320
1704999129,2cyclictest0-21swapper/010:56:170
1704999129,2cyclictest0-21swapper/009:26:570
1704999129,2cyclictest0-21swapper/008:10:170
1704999129,2cyclictest0-21swapper/008:06:020
1704999123,7cyclictest0-21swapper/008:27:570
1704999122,7cyclictest0-21swapper/007:32:590
1704999120,2cyclictest6913-21rm12:02:540
1704999120,2cyclictest0-21swapper/011:36:020
1704999120,2cyclictest0-21swapper/009:30:180
1704999120,2cyclictest0-21swapper/009:15:480
1704999120,11cyclictest904-21diskmemload11:01:420
1704999120,11cyclictest0-21swapper/011:55:410
1704999120,11cyclictest0-21swapper/010:40:330
1704999120,11cyclictest0-21swapper/010:00:170
1704999120,11cyclictest0-21swapper/009:50:040
1704999120,11cyclictest0-21swapper/009:11:220
1704999120,11cyclictest0-21swapper/008:50:120
1704999120,11cyclictest0-21swapper/007:50:510
132202120,2sleep013231-21ssh09:21:220
313442110,2sleep20-21swapper/210:47:372
1705299118,2cyclictest0-21swapper/308:46:043
1705299118,2cyclictest0-21swapper/308:35:013
1705299111,5cyclictest0-21swapper/307:30:003
1705299110,10cyclictest0-21swapper/311:55:333
1705199118,2cyclictest904-21diskmemload12:14:442
1705199118,2cyclictest904-21diskmemload12:14:442
1705199118,2cyclictest11437-21kworker/u8:008:19:052
1705199118,2cyclictest0-21swapper/209:00:182
1705199112,7cyclictest0-21swapper/209:31:022
1705199112,6cyclictest0-21swapper/210:28:022
1705199112,6cyclictest0-21swapper/208:39:582
1705199112,6cyclictest0-21swapper/208:07:592
1705199111,8cyclictest0-21swapper/212:33:542
1705199111,6cyclictest0-21swapper/209:28:092
1705199110,10cyclictest0-21swapper/211:55:112
1705099117,2cyclictest0-21swapper/108:20:141
1705099116,3cyclictest25499-21munin-node1
1705099116,3cyclictest19054-21sh07:14:591
1705099111,8cyclictest15830-21diskstats08:25:111
1705099110,9cyclictest0-21swapper/108:41:011
1704999118,2cyclictest16252-21kworker/u8:107:26:050
1704999118,2cyclictest0-21swapper/007:45:130
1704999112,6cyclictest0-21swapper/009:01:590
1704999112,6cyclictest0-21swapper/008:46:590
1704999110,10cyclictest0-21swapper/012:26:090
1705299102,5cyclictest0-21swapper/308:56:023
1705299101,6cyclictest0-21swapper/308:51:023
1705199105,3cyclictest27403-21aten2.4_r3power07:35:112
1705199101,7cyclictest0-21swapper/208:13:202
1705199101,6cyclictest0-21swapper/208:21:022
1705199100,6cyclictest0-21swapper/207:12:452
1705199100,2cyclictest0-21swapper/208:55:052
1705199100,2cyclictest0-21swapper/208:47:052
1705099100,8cyclictest0-21swapper/108:11:051
1704999107,2cyclictest0-21swapper/007:20:130
1704999102,7cyclictest0-21swapper/007:38:580
1704999102,6cyclictest0-21swapper/008:44:590
170529994,3cyclictest30033-21hwlatdetect07:40:153
170529994,3cyclictest11151-21latency_hist08:15:003
170529990,2cyclictest0-21swapper/307:32:053
170519994,3cyclictest25815-21fschecks_count07:30:162
170519994,3cyclictest21717-21tr08:40:132
170499991,6cyclictest4562-21gdm-simple-gree08:38:590
170499990,8cyclictest0-21swapper/007:10:320
170529983,3cyclictest31535-21aten2.4_r3power07:45:103
170529983,3cyclictest1141-21cpu07:50:143
170519984,2cyclictest0-21swapper/207:25:142
170499985,2cyclictest0-21swapper/007:17:070
170499981,5cyclictest0-21swapper/008:20:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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