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2026-03-27 - 14:22

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 all highest latencies:
System rack3slot6s.osadl.org (updated Fri Mar 27, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24647211996,18sleep30-21swapper/307:09:023
24493211695,16sleep00-21swapper/007:07:030
23990210280,17sleep20-21swapper/207:05:452
2454629887,6sleep10-21swapper/107:07:441
67442880,0sleep30-21swapper/309:05:003
268702750,0sleep20-21swapper/211:08:572
213782740,1sleep221384-21cpuspeed_turbos08:20:122
108762700,0sleep00-21swapper/012:33:440
24753993212,2cyclictest0-21swapper/311:30:103
269042260,0sleep10-21swapper/109:28:151
2475199265,2cyclictest0-21swapper/111:30:101
45952250,1sleep2301ktimersoftd/209:38:512
2475099210,19cyclictest0-21swapper/008:40:120
2475399200,18cyclictest0-21swapper/308:25:103
24752992017,2cyclictest0-21swapper/211:10:112
24752992017,2cyclictest0-21swapper/208:05:112
183442200,0sleep20-21swapper/211:00:112
2475399190,2cyclictest0-21swapper/310:50:113
2475399190,17cyclictest0-21swapper/307:50:123
2475199191,13cyclictest21-21rcuc/109:32:041
2475199170,2cyclictest0-21swapper/111:16:051
2475099171,13cyclictest0-21swapper/012:24:150
2475399160,13cyclictest0-21swapper/309:51:033
2475199161,13cyclictest0-21swapper/110:55:141
24750991611,3cyclictest8133-21munin-node0
2475299151,2cyclictest8756-21diskmemload10:10:052
24752991510,3cyclictest24794-21hddtemp_smartct11:40:152
24751991512,2cyclictest836-21kworker/u8:210:33:041
24751991512,2cyclictest5768-21kworker/u8:010:04:041
24751991512,2cyclictest29032-21kworker/u8:011:51:041
24751991512,2cyclictest27199-21kworker/u8:108:41:041
24751991512,2cyclictest26392-21kworker/u8:212:34:041
2475199151,12cyclictest0-21swapper/111:03:011
24751991510,3cyclictest0-21swapper/112:27:321
2475199150,13cyclictest0-21swapper/108:31:011
2475199150,12cyclictest0-21swapper/112:14:051
2475099152,11cyclictest0-21swapper/012:08:510
2475099151,3cyclictest3728-21runrttasks11:53:480
2475099151,12cyclictest30928-21apt-get10:40:050
24750991510,3cyclictest0-21swapper/009:15:130
2475099150,13cyclictest0-21swapper/010:13:490
289512140,2sleep00-21swapper/010:36:570
2475399140,2cyclictest0-21swapper/310:20:143
2475199149,3cyclictest0-21swapper/111:48:441
2475199149,3cyclictest0-21swapper/110:16:011
24751991411,2cyclictest18335-21kworker/u8:110:12:041
2475199140,3cyclictest0-21swapper/111:22:011
2475199140,12cyclictest0-21swapper/110:51:071
2475199140,12cyclictest0-21swapper/107:45:171
2475099149,3cyclictest30921-21ssh11:12:460
2475099149,3cyclictest14236-21ssh10:21:330
2475099149,3cyclictest0-21swapper/009:46:580
2475099142,6cyclictest0-21swapper/009:35:010
24750991411,2cyclictest8756-21diskmemload12:11:270
24750991411,2cyclictest8756-21diskmemload10:03:470
24750991411,2cyclictest0-21swapper/012:25:270
24750991411,2cyclictest0-21swapper/007:41:020
2475099141,11cyclictest12710-21ssh09:13:420
2475099141,11cyclictest12710-21ssh09:13:420
2475099140,3cyclictest0-21swapper/009:22:120
2475099140,2cyclictest0-21swapper/012:01:030
2475099140,2cyclictest0-21swapper/011:05:270
2475099140,2cyclictest0-21swapper/009:29:280
2475099140,13cyclictest0-21swapper/012:36:470
2475099140,13cyclictest0-21swapper/010:08:270
2475099140,13cyclictest0-21swapper/008:55:170
2475099140,12cyclictest0-21swapper/010:29:170
89882130,2sleep00-21swapper/007:50:140
84132130,2sleep08425-21rm09:42:180
2475399130,2cyclictest32283-21timerandwakeup07:26:033
2475399130,2cyclictest0-21swapper/312:16:013
2475299131,2cyclictest6566-21ssh10:47:172
24752991310,2cyclictest0-21swapper/211:35:132
24752991310,2cyclictest0-21swapper/209:10:132
24752991310,2cyclictest0-21swapper/209:10:132
2475299130,12cyclictest0-21swapper/211:29:032
2475299130,12cyclictest0-21swapper/210:25:132
2475299130,12cyclictest0-21swapper/209:20:132
2475199131,3cyclictest11957-21munin-node1
2475199131,10cyclictest8756-21diskmemload09:10:151
2475199131,10cyclictest8756-21diskmemload09:10:151
24751991310,2cyclictest8756-21diskmemload11:56:491
24751991310,2cyclictest31233-21kworker/u8:009:04:011
24751991310,2cyclictest31233-21kworker/u8:008:59:041
24751991310,2cyclictest27007-21kworker/u8:107:18:041
24751991310,2cyclictest2685-21kworker/u8:008:07:041
24751991310,2cyclictest12154-21kworker/u8:012:37:041
24751991310,2cyclictest0-21swapper/111:28:401
24751991310,2cyclictest0-21swapper/111:14:491
24751991310,2cyclictest0-21swapper/110:44:181
24751991310,2cyclictest0-21swapper/109:50:151
24751991310,2cyclictest0-21swapper/108:10:181
2475199130,2cyclictest0-21swapper/112:23:581
2475199130,2cyclictest0-21swapper/112:04:051
2475199130,2cyclictest0-21swapper/111:41:121
2475199130,2cyclictest0-21swapper/110:45:481
2475199130,2cyclictest0-21swapper/110:05:101
2475199130,2cyclictest0-21swapper/108:00:041
2475199130,12cyclictest0-21swapper/109:15:141
2475199130,11cyclictest0-21swapper/112:15:521
2475099134,6cyclictest4562-21gdm-simple-gree08:10:580
2475099131,6cyclictest0-21swapper/008:30:000
24750991310,2cyclictest0-21swapper/011:45:170
24750991310,2cyclictest0-21swapper/011:39:170
24750991310,2cyclictest0-21swapper/009:36:160
24750991310,2cyclictest0-21swapper/008:25:100
2475099130,2cyclictest0-21swapper/012:15:100
2475099130,2cyclictest0-21swapper/011:30:170
2475099130,2cyclictest0-21swapper/011:02:270
2475099130,2cyclictest0-21swapper/007:59:510
2475099130,12cyclictest0-21swapper/011:25:150
2475099130,12cyclictest0-21swapper/011:15:370
2475099130,12cyclictest0-21swapper/010:50:020
2475099130,12cyclictest0-21swapper/010:45:470
2475099130,12cyclictest0-21swapper/009:59:070
2475099130,11cyclictest0-21swapper/007:45:140
179202130,2sleep00-21swapper/009:52:090
175682130,2sleep00-21swapper/010:59:300
2475399122,7cyclictest0-21swapper/311:56:593
2475399122,6cyclictest0-21swapper/309:31:023
2475399121,9cyclictest9089-21ssh11:24:143
2475399120,3cyclictest0-21swapper/308:51:003
2475399120,2cyclictest0-21swapper/310:16:033
2475399120,2cyclictest0-21swapper/310:03:503
2475399120,11cyclictest8756-21diskmemload09:40:493
2475399120,11cyclictest0-21swapper/308:00:173
2475299129,2cyclictest0-21swapper/212:24:152
2475299129,2cyclictest0-21swapper/211:30:102
2475299129,2cyclictest0-21swapper/209:58:292
2475299128,2cyclictest29011-21sh10:04:232
2475299122,7cyclictest4052-21ssh11:18:592
2475299122,7cyclictest26087-21ssh09:26:592
2475299122,7cyclictest0-21swapper/211:21:582
2475299122,7cyclictest0-21swapper/210:18:012
2475299122,7cyclictest0-21swapper/208:32:582
2475299122,7cyclictest0-21swapper/207:11:582
2475299122,6cyclictest0-21swapper/210:40:592
2475299120,2cyclictest0-21swapper/208:00:112
2475299120,11cyclictest0-21swapper/212:05:132
2475299120,11cyclictest0-21swapper/210:05:112
2475299120,11cyclictest0-21swapper/207:41:022
2475299120,10cyclictest0-21swapper/211:54:042
2475299120,10cyclictest0-21swapper/209:15:522
2475199129,2cyclictest29894-21kworker/u8:207:10:041
2475199129,2cyclictest14827-21kworker/u8:208:18:041
2475199129,2cyclictest0-21swapper/111:36:271
2475199129,2cyclictest0-21swapper/110:37:371
2475199129,2cyclictest0-21swapper/109:46:191
2475199129,2cyclictest0-21swapper/109:41:051
2475199127,3cyclictest16779-21apt-get10:25:111
2475199127,3cyclictest0-21swapper/108:45:121
2475199121,9cyclictest23135-21munin-node1
2475199121,9cyclictest0-21swapper/107:20:111
2475199121,3cyclictest0-21swapper/109:05:181
2475199120,3cyclictest0-21swapper/111:05:111
2475199120,2cyclictest0-21swapper/109:36:081
2475199120,2cyclictest0-21swapper/109:24:031
2475199120,11cyclictest0-21swapper/112:05:101
2475199120,11cyclictest0-21swapper/109:55:371
2475199120,11cyclictest0-21swapper/107:55:141
2475199120,11cyclictest0-21swapper/107:30:401
2475199120,11cyclictest0-21swapper/107:25:151
2475199120,10cyclictest0-21swapper/107:50:131
2475099129,2cyclictest0-21swapper/011:55:100
2475099129,2cyclictest0-21swapper/011:21:430
2475099129,2cyclictest0-21swapper/010:30:230
2475099129,2cyclictest0-21swapper/008:01:020
2475099129,2cyclictest0-21swapper/007:35:130
2475099122,7cyclictest0-21swapper/008:16:010
2475099122,7cyclictest0-21swapper/007:20:010
24750991210,1cyclictest0-21swapper/008:35:120
2475099120,2cyclictest0-21swapper/011:40:390
2475099120,2cyclictest0-21swapper/007:30:170
22172120,2sleep30-21swapper/312:25:023
2475399118,2cyclictest8756-21diskmemload12:03:193
2475399118,2cyclictest7359-21diskstats09:05:133
2475399118,2cyclictest25948-21ssh09:26:453
2475399118,2cyclictest0-21swapper/312:09:183
2475399118,2cyclictest0-21swapper/311:53:043
2475399118,2cyclictest0-21swapper/311:35:193
2475399118,2cyclictest0-21swapper/310:13:013
2475399118,2cyclictest0-21swapper/309:38:073
2475399116,3cyclictest14450-21ssh12:36:513
2475399113,5cyclictest0-21swapper/307:41:023
2475399110,9cyclictest536-21df_abs11:15:133
2475399110,9cyclictest0-21swapper/309:20:083
2475399110,2cyclictest0-21swapper/312:10:153
2475399110,2cyclictest0-21swapper/310:58:233
2475399110,10cyclictest0-21swapper/310:38:423
2475399110,10cyclictest0-21swapper/308:36:033
2475299118,2cyclictest30138-21ssh11:45:292
2475299118,2cyclictest0-21swapper/212:27:342
2475299118,2cyclictest0-21swapper/212:17:142
2475299118,2cyclictest0-21swapper/211:59:192
2475299118,2cyclictest0-21swapper/209:47:002
2475299118,2cyclictest0-21swapper/208:55:172
2475299118,2cyclictest0-21swapper/207:30:172
2475299118,2cyclictest0-21swapper/207:20:112
2475299112,6cyclictest0-21swapper/207:17:012
2475299111,6cyclictest0-21swapper/207:36:002
2475299111,5cyclictest0-21swapper/207:30:002
2475299110,9cyclictest0-21swapper/212:35:162
2475299110,9cyclictest0-21swapper/210:58:282
2475299110,2cyclictest0-21swapper/210:30:372
2475299110,2cyclictest0-21swapper/209:50:422
2475299110,10cyclictest0-21swapper/212:30:192
2475299110,10cyclictest0-21swapper/210:53:352
2475299110,10cyclictest0-21swapper/209:32:272
2475299110,10cyclictest0-21swapper/208:26:002
2475199118,2cyclictest14827-21kworker/u8:208:36:041
2475199111,8cyclictest4840-21munin-node1
2475199110,9cyclictest22951-21latency_hist08:25:001
2475199110,1cyclictest0-21swapper/108:50:111
2475099118,2cyclictest0-21swapper/008:50:490
2475099111,6cyclictest0-21swapper/009:01:000
2475099110,2cyclictest0-21swapper/008:20:180
2475099110,1cyclictest0-21swapper/008:46:000
239212110,2sleep30-21swapper/309:59:003
129612110,2sleep30-21swapper/309:46:543
34642100,2sleep10-21swapper/107:35:171
2475399107,2cyclictest8756-21diskmemload11:05:323
2475399107,2cyclictest8756-21diskmemload10:47:243
2475399107,2cyclictest0-21swapper/312:30:553
2475399107,2cyclictest0-21swapper/312:22:393
2475399107,2cyclictest0-21swapper/311:27:333
2475399107,2cyclictest0-21swapper/311:11:333
2475399107,2cyclictest0-21swapper/310:25:103
2475399107,2cyclictest0-21swapper/307:36:033
2475399107,2cyclictest0-21swapper/307:15:163
2475399105,3cyclictest6975-21telnet07:45:113
2475399105,3cyclictest47132sleep309:00:003
2475399105,3cyclictest21746-21telnet10:30:133
2475399102,7cyclictest0-21swapper/308:33:583
2475399102,6cyclictest0-21swapper/308:45:593
2475399100,9cyclictest8756-21diskmemload10:42:193
2475399100,9cyclictest0-21swapper/309:18:323
2475399100,9cyclictest0-21swapper/308:40:173
2475399100,7cyclictest0-21swapper/311:45:013
2475399100,7cyclictest0-21swapper/310:06:583
2475399100,7cyclictest0-21swapper/308:21:583
2475299107,2cyclictest0-21swapper/210:20:232
2475299107,2cyclictest0-21swapper/209:40:182
2475299107,2cyclictest0-21swapper/207:50:172
2475299101,6cyclictest0-21swapper/207:56:002
2475299101,5cyclictest0-21swapper/208:50:002
2475299101,5cyclictest0-21swapper/208:20:002
2475299101,5cyclictest0-21swapper/208:15:002
2475299100,9cyclictest0-21swapper/210:36:072
2475099102,6cyclictest0-21swapper/007:15:000
2475099101,6cyclictest0-21swapper/007:18:120
2475099100,6cyclictest0-21swapper/009:08:360
218862100,2sleep20-21swapper/212:10:502
247539996,2cyclictest26848-21ssh11:42:113
247539994,3cyclictest29243-21tr07:20:123
247539994,3cyclictest17912-21grep08:10:173
247539994,3cyclictest10293-21sh09:10:323
247539994,3cyclictest10293-21sh09:10:323
247539993,4cyclictest644-21aten2.4_r3power07:30:123
247539992,6cyclictest0-21swapper/307:58:583
247539991,7cyclictest0-21swapper/307:13:023
247539990,8cyclictest0-21swapper/311:00:373
247539990,7cyclictest0-21swapper/308:09:583
247529994,3cyclictest6754-21sleep09:05:002
247529994,3cyclictest28408-21timerandwakeup08:36:012
247529991,6cyclictest0-21swapper/208:53:582
247529991,5cyclictest0-21swapper/207:49:582
247529990,6cyclictest0-21swapper/208:40:012
247529990,2cyclictest0-21swapper/212:02:582
247509996,2cyclictest0-21swapper/007:25:460
247509994,3cyclictest15058-21apt-get08:05:120
247539983,3cyclictest19587-21fschecks_time08:15:133
247529983,3cyclictest7304-21df_abs09:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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