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2025-12-19 - 19:44

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 Dec 19, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12997212196,18sleep00-21swapper/007:05:240
13613211795,16sleep30-21swapper/307:08:233
13418211699,11sleep10-21swapper/107:05:531
13419211393,15sleep20-21swapper/207:05:542
64792690,1sleep3381ktimersoftd/310:00:083
292782690,0sleep00-21swapper/009:05:180
66902600,4sleep01376699cyclictest08:10:170
21382580,1sleep30-21swapper/311:14:243
197802260,1sleep20-21swapper/210:15:182
1376999250,15cyclictest0-21swapper/310:23:553
1376999241,14cyclictest0-21swapper/312:17:153
1376799230,13cyclictest0-21swapper/111:40:121
13769992213,2cyclictest0-21swapper/310:29:453
1376999220,14cyclictest0-21swapper/307:40:143
13767992211,4cyclictest0-21swapper/110:46:381
1376799220,13cyclictest0-21swapper/110:23:231
1376799220,13cyclictest0-21swapper/109:56:111
1376999210,14cyclictest0-21swapper/310:16:533
13767992112,2cyclictest0-21swapper/111:01:211
1376799210,2cyclictest0-21swapper/111:27:511
1376799210,12cyclictest18519-21latency_hist10:15:001
13767992012,2cyclictest0-21swapper/111:52:411
13767992011,2cyclictest0-21swapper/112:37:071
1376699203,15cyclictest12062-21python10:45:230
1376699200,2cyclictest0-21swapper/010:55:110
13767991911,2cyclictest30189-21diskmemload12:21:261
1376799190,13cyclictest0-21swapper/111:34:111
13768991815,2cyclictest25285-21kworker/u8:111:55:042
1376699183,3cyclictest31168-21taskset11:50:010
1376999170,15cyclictest0-21swapper/311:50:453
1376999170,15cyclictest0-21swapper/309:14:243
13768991714,2cyclictest20421-21kworker/u8:009:16:052
1376699172,13cyclictest30189-21diskmemload10:08:340
13766991712,4cyclictest0-21swapper/011:31:340
13766991712,4cyclictest0-21swapper/010:50:040
1376699171,14cyclictest0-21swapper/011:45:230
13766991711,4cyclictest0-21swapper/009:14:410
1376999161,13cyclictest31003-21ssh12:29:563
1376999160,2cyclictest0-21swapper/312:23:353
13768991613,2cyclictest6785-21kworker/u8:110:54:052
13768991613,2cyclictest5889-21kworker/u8:010:00:052
13768991613,2cyclictest5120-21kworker/u8:012:00:052
1376699162,2cyclictest30189-21diskmemload12:31:460
1376699162,12cyclictest30189-21diskmemload11:06:510
1376699162,12cyclictest30189-21diskmemload09:37:080
13766991613,2cyclictest0-21swapper/010:31:010
1376699161,13cyclictest0-21swapper/011:59:010
1376699161,13cyclictest0-21swapper/011:00:250
1376699161,13cyclictest0-21swapper/007:43:340
1376699160,14cyclictest0-21swapper/012:24:410
1376999151,2cyclictest18442-21ssh11:34:143
13769991512,2cyclictest0-21swapper/310:54:353
13769991512,2cyclictest0-21swapper/309:29:343
1376999150,3cyclictest28496-21grep11:05:253
1376999150,2cyclictest0-21swapper/309:53:233
1376999150,14cyclictest0-21swapper/311:35:253
1376999150,13cyclictest0-21swapper/312:39:563
13768991512,2cyclictest31207-21kworker/u8:212:05:052
13768991512,2cyclictest27172-21kworker/u8:111:14:052
13768991512,2cyclictest22509-21kworker/u8:011:29:042
13768991512,2cyclictest22509-21kworker/u8:011:00:052
1376899150,13cyclictest4784-21ssh11:16:292
1376899150,13cyclictest0-21swapper/209:40:002
13767991512,2cyclictest30189-21diskmemload11:23:201
13767991512,2cyclictest0-21swapper/112:27:111
1376799150,3cyclictest0-21swapper/111:10:061
1376799150,13cyclictest30189-21diskmemload11:47:321
1376799150,13cyclictest30189-21diskmemload09:24:531
1376799150,13cyclictest30189-21diskmemload09:19:401
1376799150,13cyclictest0-21swapper/112:05:121
1376799150,13cyclictest0-21swapper/111:05:151
1376699152,3cyclictest30189-21diskmemload10:03:130
1376699152,2cyclictest30189-21diskmemload12:25:070
1376699152,12cyclictest0-21swapper/010:10:540
13766991512,2cyclictest30189-21diskmemload12:05:330
13766991512,2cyclictest0-21swapper/010:38:440
13766991512,2cyclictest0-21swapper/010:28:410
13766991511,3cyclictest0-21swapper/011:22:420
1376699151,12cyclictest0-21swapper/011:29:590
1376699151,12cyclictest0-21swapper/011:14:590
13766991510,3cyclictest7727-21grep10:40:170
1376699150,13cyclictest0-21swapper/009:22:540
1376699150,11cyclictest0-21swapper/012:11:570
13769991411,2cyclictest0-21swapper/310:57:273
13769991411,2cyclictest0-21swapper/310:40:373
13769991411,2cyclictest0-21swapper/308:55:143
1376999140,2cyclictest0-21swapper/311:28:353
1376999140,2cyclictest0-21swapper/310:35:353
1376999140,2cyclictest0-21swapper/309:55:103
1376999140,13cyclictest0-21swapper/312:30:443
1376999140,13cyclictest0-21swapper/312:10:173
1376999140,13cyclictest0-21swapper/311:57:043
1376999140,13cyclictest0-21swapper/309:34:443
1376999140,13cyclictest0-21swapper/309:23:343
1376999140,13cyclictest0-21swapper/309:17:333
1376999140,12cyclictest30189-21diskmemload11:00:463
1376999140,12cyclictest30189-21diskmemload10:45:183
1376999140,12cyclictest0-21swapper/311:21:093
1376999140,12cyclictest0-21swapper/310:06:473
1376999140,12cyclictest0-21swapper/309:40:193
1376999140,12cyclictest0-21swapper/307:35:263
13768991411,2cyclictest6785-21kworker/u8:110:57:052
13768991411,2cyclictest22509-21kworker/u8:011:38:052
13768991411,2cyclictest20421-21kworker/u8:009:10:052
13768991411,2cyclictest0-21swapper/210:40:432
13768991411,2cyclictest0-21swapper/208:35:192
13768991410,2cyclictest8315-21aten2.4-expect08:15:112
1376899140,2cyclictest0-21swapper/209:40:282
1376899140,13cyclictest30189-21diskmemload10:11:392
1376899140,12cyclictest31378-21aten2.4_r3power12:30:122
1376899140,12cyclictest28525-21ssh09:46:022
1376899140,12cyclictest0-21swapper/211:42:362
1376899140,12cyclictest0-21swapper/211:07:222
1376899140,12cyclictest0-21swapper/210:30:162
1376899140,12cyclictest0-21swapper/209:31:502
13767991411,2cyclictest0-21swapper/110:52:361
13767991411,2cyclictest0-21swapper/110:18:011
13767991411,2cyclictest0-21swapper/109:38:491
1376799140,2cyclictest0-21swapper/110:08:231
1376799140,13cyclictest0-21swapper/107:20:201
1376799140,12cyclictest0-21swapper/112:00:251
1376799140,12cyclictest0-21swapper/111:58:201
1376799140,12cyclictest0-21swapper/110:00:111
1376699142,7cyclictest0-21swapper/009:25:000
1376699142,7cyclictest0-21swapper/008:10:000
1376699142,11cyclictest0-21swapper/010:18:300
1376699141,2cyclictest0-21swapper/012:17:080
1376699141,2cyclictest0-21swapper/011:36:410
1376699141,2cyclictest0-21swapper/008:25:110
13766991411,2cyclictest0-21swapper/012:01:240
13766991411,2cyclictest0-21swapper/009:33:300
13766991411,2cyclictest0-21swapper/008:55:110
13766991411,2cyclictest0-21swapper/008:50:170
1376699140,12cyclictest30189-21diskmemload11:15:380
1376699140,12cyclictest30189-21diskmemload09:55:590
1376699140,12cyclictest30189-21diskmemload09:41:310
1376699140,12cyclictest0-21swapper/012:35:100
1376699140,12cyclictest0-21swapper/010:21:490
13769991310,2cyclictest0-21swapper/312:09:283
13769991310,2cyclictest0-21swapper/310:32:053
13769991310,2cyclictest0-21swapper/309:00:143
1376999130,2cyclictest0-21swapper/312:01:123
1376999130,2cyclictest0-21swapper/311:42:283
1376999130,12cyclictest0-21swapper/311:46:353
1376999130,12cyclictest0-21swapper/311:16:183
1376999130,12cyclictest0-21swapper/309:47:583
1376999130,12cyclictest0-21swapper/309:37:173
13768991310,2cyclictest5120-21kworker/u8:012:18:052
13768991310,2cyclictest30189-21diskmemload12:26:062
13768991310,2cyclictest22509-21kworker/u8:011:50:052
13768991310,2cyclictest21720-21kworker/u8:210:27:052
13768991310,2cyclictest20897-21kworker/u8:209:57:052
13768991310,2cyclictest0-21swapper/212:14:202
13768991310,2cyclictest0-21swapper/210:35:232
13768991310,2cyclictest0-21swapper/210:05:112
13768991310,2cyclictest0-21swapper/209:28:092
13768991310,2cyclictest0-21swapper/209:22:102
1376899130,2cyclictest0-21swapper/212:37:122
1376899130,2cyclictest0-21swapper/212:20:022
1376899130,2cyclictest0-21swapper/211:20:052
1376899130,2cyclictest0-21swapper/210:46:332
1376899130,2cyclictest0-21swapper/210:21:492
1376899130,2cyclictest0-21swapper/209:50:162
1376899130,2cyclictest0-21swapper/208:20:202
1376899130,12cyclictest0-21swapper/211:45:252
1376899130,12cyclictest0-21swapper/211:31:582
13767991310,2cyclictest0-21swapper/112:11:591
13767991310,2cyclictest0-21swapper/111:15:311
13767991310,2cyclictest0-21swapper/110:55:211
13767991310,2cyclictest0-21swapper/110:26:091
13767991310,2cyclictest0-21swapper/109:51:071
13767991310,2cyclictest0-21swapper/109:25:251
13767991310,2cyclictest0-21swapper/108:50:011
13767991310,2cyclictest0-21swapper/108:30:241
13767991310,2cyclictest0-21swapper/108:30:241
13767991310,2cyclictest0-21swapper/107:25:121
1376799130,2cyclictest30189-21diskmemload09:40:201
1376799130,2cyclictest0-21swapper/110:40:161
1376799130,2cyclictest0-21swapper/109:30:191
1376799130,2cyclictest0-21swapper/107:40:181
1376799130,12cyclictest30189-21diskmemload11:35:261
1376799130,12cyclictest30189-21diskmemload09:46:431
1376799130,12cyclictest30189-21diskmemload09:10:361
1376799130,12cyclictest0-21swapper/112:30:141
1376799130,12cyclictest0-21swapper/112:16:561
1376799130,12cyclictest0-21swapper/110:36:401
1376799130,12cyclictest0-21swapper/110:30:201
1376799130,11cyclictest0-21swapper/107:35:201
13766991310,2cyclictest0-21swapper/009:51:040
13766991310,2cyclictest0-21swapper/007:10:120
1376699130,2cyclictest30189-21diskmemload11:40:050
1376699130,11cyclictest30189-21diskmemload09:47:350
1376699130,11cyclictest0-21swapper/009:17:140
1376999127,3cyclictest21810-21cron07:30:003
1376999121,9cyclictest5718-21cron08:10:003
1376999120,2cyclictest0-21swapper/310:11:393
1376999120,2cyclictest0-21swapper/308:00:253
1376899129,2cyclictest20421-21kworker/u8:009:05:042
1376899129,2cyclictest15476-21kworker/u8:007:50:052
1376899129,2cyclictest0-21swapper/208:40:112
1376899129,2cyclictest0-21swapper/208:25:112
1376899129,2cyclictest0-21swapper/208:00:182
1376899122,7cyclictest0-21swapper/207:42:592
1376899122,7cyclictest0-21swapper/207:37:022
1376899120,11cyclictest0-21swapper/207:20:202
1376799129,2cyclictest0-21swapper/109:05:231
1376799129,2cyclictest0-21swapper/108:10:201
1376799129,2cyclictest0-21swapper/107:15:271
1376799120,2cyclictest0-21swapper/107:30:201
1376799120,10cyclictest0-21swapper/108:23:521
1376699129,2cyclictest0-21swapper/009:04:030
1376699122,7cyclictest0-21swapper/008:32:020
1376699122,7cyclictest0-21swapper/008:32:010
1376699120,2cyclictest0-21swapper/008:35:120
1376699120,2cyclictest0-21swapper/007:15:230
1376699120,11cyclictest0-21swapper/007:35:170
1376699120,11cyclictest0-21swapper/007:20:150
7542110,1sleep20-21swapper/207:55:172
1376999118,2cyclictest0-21swapper/308:15:143
1376999110,10cyclictest0-21swapper/307:30:133
1376899118,2cyclictest23864-21kworker/u8:208:56:052
1376899118,2cyclictest15476-21kworker/u8:007:26:052
1376899118,2cyclictest0-21swapper/207:18:592
1376899112,6cyclictest0-21swapper/207:31:592
1376799118,2cyclictest0-21swapper/108:40:211
1376799118,2cyclictest0-21swapper/108:05:171
1376799118,2cyclictest0-21swapper/107:45:171
1376799111,8cyclictest26388-21munin-node1
1376799110,9cyclictest0-21swapper/107:55:121
1376799110,9cyclictest0-21swapper/107:50:071
1376799110,3cyclictest12294-21aten2.4-expect08:25:121
1376699115,4cyclictest7458-21runrttasks08:15:060
1376699115,4cyclictest739-21needreboot07:55:160
1376699115,4cyclictest6675-21snmpd08:45:110
1376699115,4cyclictest28975-21sh07:45:150
1376699115,4cyclictest2626-21munin-node0
1376699115,4cyclictest22700-21ethtool07:30:140
1376699115,4cyclictest20032-21sshd07:25:110
1376699115,4cyclictest10729-21fschecks_time08:20:150
1376699114,5cyclictest19950-21sshd08:43:570
1376699114,5cyclictest0-21swapper/007:50:120
1376999100,9cyclictest0-21swapper/308:43:123
1376899107,2cyclictest5589-21kworker/u8:108:10:052
1376899107,2cyclictest27086-21kworker/u8:207:14:052
1376899107,2cyclictest0-21swapper/208:45:242
1376899102,7cyclictest26170-21copy09:00:022
1376899102,5cyclictest0-21swapper/208:30:592
1376899102,5cyclictest0-21swapper/208:30:592
1376899102,5cyclictest0-21swapper/207:46:592
1376799100,9cyclictest0-21swapper/108:15:211
1376799100,8cyclictest0-21swapper/108:55:131
1376799100,8cyclictest0-21swapper/108:35:191
1376799100,3cyclictest15190-21cat07:10:251
137699996,2cyclictest0-21swapper/308:50:083
137699996,2cyclictest0-21swapper/307:14:043
137689996,2cyclictest15476-21kworker/u8:008:05:052
137689991,6cyclictest0-21swapper/208:52:592
137679990,8cyclictest0-21swapper/108:45:111
137679990,3cyclictest0-21swapper/108:00:121
137699985,2cyclictest0-21swapper/307:15:143
137699984,3cyclictest12271-21aten2.4_r3power08:25:123
137699984,3cyclictest10337-21aten2.4_r3power08:20:123
137699984,2cyclictest16829-21hwlatdetect08:35:163
137699983,3cyclictest18160-21aten2.4_r3power07:20:113
137699981,3cyclictest29845-21taskset07:46:543
137699981,3cyclictest0-21swapper/308:45:063
137699981,3cyclictest0-21swapper/307:55:113
137699981,3cyclictest0-21swapper/307:50:233
137699980,7cyclictest0-21swapper/309:06:073
137699980,7cyclictest0-21swapper/308:10:063
137699974,2cyclictest381ktimersoftd/308:30:113
137699974,2cyclictest381ktimersoftd/308:30:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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