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2026-04-10 - 19:10

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 Apr 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31080211391,16sleep30-21swapper/307:09:063
30841210896,6sleep00-21swapper/007:06:030
31032210695,6sleep10-21swapper/107:08:281
30423210694,6sleep20-21swapper/207:05:492
82442710,0sleep20-21swapper/210:43:042
282132710,0sleep30-21swapper/308:20:163
204752700,0sleep10-21swapper/109:15:131
316022630,1sleep10-21swapper/107:10:111
133862530,1sleep10-21swapper/109:05:101
12282520,1sleep01226-21ssh10:35:310
9602250,0sleep00-21swapper/009:28:220
216072250,1sleep03117999cyclictest08:05:120
301652220,1sleep20-21swapper/209:58:382
3117999190,2cyclictest0-21swapper/010:20:100
3118199171,14cyclictest17621-21ssh09:45:142
3118199171,14cyclictest17428-21ssh12:33:272
149882170,1sleep337-21rcuc/311:23:523
31181991613,2cyclictest6550-21kworker/u8:210:16:052
31181991613,2cyclictest15110-21kworker/u8:211:29:042
3118199161,13cyclictest6487-21telnet11:15:122
3118199160,14cyclictest0-21swapper/209:42:042
3118099160,14cyclictest0-21swapper/111:50:111
3118299151,3cyclictest6860-21unixbench_multi10:41:023
3118299150,2cyclictest0-21swapper/310:35:473
3118299150,14cyclictest0-21swapper/309:19:563
31181991512,2cyclictest12397-21kworker/u8:212:36:062
31181991512,2cyclictest10005-21kworker/u8:111:20:042
3118099150,13cyclictest11739-21sh09:39:591
3118099150,13cyclictest0-21swapper/110:59:121
3118099150,13cyclictest0-21swapper/110:40:121
3118099150,13cyclictest0-21swapper/109:30:011
3117999150,13cyclictest0-21swapper/012:00:100
102322151,3sleep08702-21munin-node0
31182991411,2cyclictest15177-21diskmemload11:10:123
31182991411,2cyclictest0-21swapper/310:33:263
31182991411,2cyclictest0-21swapper/309:45:473
31182991411,2cyclictest0-21swapper/309:10:073
31182991410,3cyclictest681-21ssh11:42:093
3118299140,2cyclictest0-21swapper/312:18:563
3118299140,2cyclictest0-21swapper/312:18:563
3118299140,2cyclictest0-21swapper/309:31:163
3118299140,13cyclictest0-21swapper/312:29:563
3118299140,13cyclictest0-21swapper/312:20:573
3118299140,13cyclictest0-21swapper/312:20:563
3118299140,13cyclictest0-21swapper/311:32:163
3118299140,13cyclictest0-21swapper/310:21:063
3118299140,13cyclictest0-21swapper/309:22:563
3118299140,12cyclictest15177-21diskmemload09:51:013
3118299140,12cyclictest0-21swapper/310:11:583
31181991411,2cyclictest3186-21kworker/u8:209:30:012
31181991411,2cyclictest25346-21ssh12:07:562
31181991411,2cyclictest21948-21kworker/u8:009:16:042
31181991411,2cyclictest0-21swapper/211:34:282
31181991410,3cyclictest8341-21perl11:50:132
3118199140,2cyclictest15177-21diskmemload11:10:012
3118199140,2cyclictest0-21swapper/209:23:042
3118199140,12cyclictest15177-21diskmemload10:50:232
3118199140,12cyclictest0-21swapper/209:35:142
3118199140,12cyclictest0-21swapper/207:55:142
31180991411,2cyclictest0-21swapper/110:48:181
31180991410,2cyclictest0-21swapper/108:01:021
3118099140,12cyclictest1199-21cut10:35:291
3118099140,12cyclictest0-21swapper/112:13:401
3118099140,12cyclictest0-21swapper/111:55:501
3118099140,12cyclictest0-21swapper/111:25:201
3118099140,12cyclictest0-21swapper/109:14:591
31179991411,2cyclictest0-21swapper/010:19:480
3117999140,2cyclictest0-21swapper/009:57:070
3117999140,2cyclictest0-21swapper/008:35:070
3117999140,13cyclictest0-21swapper/009:50:180
3117999140,13cyclictest0-21swapper/009:34:170
3117999140,13cyclictest0-21swapper/009:20:270
3117999140,12cyclictest15524-21mailstats12:30:590
3117999140,12cyclictest0-21swapper/011:57:130
280452140,1sleep337-21rcuc/311:36:433
136282140,2sleep30-21swapper/310:15:113
87812130,10sleep00-21swapper/011:16:450
31182991310,2cyclictest18202-21memory12:00:133
31182991310,2cyclictest0-21swapper/312:35:163
31182991310,2cyclictest0-21swapper/312:33:583
31182991310,2cyclictest0-21swapper/310:25:133
31182991310,2cyclictest0-21swapper/309:56:343
31182991310,2cyclictest0-21swapper/308:35:113
3118299130,2cyclictest0-21swapper/311:25:143
3118299130,2cyclictest0-21swapper/311:15:163
3118299130,2cyclictest0-21swapper/311:04:333
3118299130,2cyclictest0-21swapper/310:46:003
3118299130,2cyclictest0-21swapper/309:44:273
3118299130,2cyclictest0-21swapper/309:35:113
3118299130,2cyclictest0-21swapper/309:28:273
3118299130,2cyclictest0-21swapper/308:45:173
3118299130,12cyclictest15177-21diskmemload11:57:393
3118299130,12cyclictest0-21swapper/312:13:373
3118299130,12cyclictest0-21swapper/311:54:573
3118299130,12cyclictest0-21swapper/311:09:473
3118299130,12cyclictest0-21swapper/310:56:043
3118299130,12cyclictest0-21swapper/310:51:083
3118299130,12cyclictest0-21swapper/310:02:473
3118299130,12cyclictest0-21swapper/307:35:123
3118199138,3cyclictest0-21swapper/211:05:172
31181991310,2cyclictest15177-21diskmemload10:37:042
31181991310,2cyclictest12847-21kworker/u8:110:32:042
31181991310,2cyclictest10485-21kworker/u8:011:55:052
31181991310,2cyclictest0-21swapper/212:21:532
31181991310,2cyclictest0-21swapper/212:21:522
31181991310,2cyclictest0-21swapper/210:27:052
31181991310,2cyclictest0-21swapper/209:50:322
31181991310,2cyclictest0-21swapper/209:10:032
3118199130,2cyclictest10758-21ssh12:26:022
3118199130,2cyclictest0-21swapper/212:13:342
3118199130,2cyclictest0-21swapper/211:48:312
3118199130,2cyclictest0-21swapper/210:56:012
3118199130,2cyclictest0-21swapper/210:23:362
3118199130,2cyclictest0-21swapper/210:10:162
3118199130,2cyclictest0-21swapper/210:05:112
3118199130,2cyclictest0-21swapper/210:01:332
3118199130,12cyclictest0-21swapper/211:40:482
3118199130,12cyclictest0-21swapper/211:01:242
3118199130,12cyclictest0-21swapper/208:45:132
3118199130,12cyclictest0-21swapper/208:25:132
31180991310,2cyclictest8619-21ssh12:24:401
31180991310,2cyclictest8619-21ssh12:24:401
31180991310,2cyclictest0-21swapper/112:26:581
31180991310,2cyclictest0-21swapper/112:04:481
31180991310,2cyclictest0-21swapper/111:45:391
31180991310,2cyclictest0-21swapper/111:05:511
31180991310,2cyclictest0-21swapper/110:15:211
31180991310,2cyclictest0-21swapper/110:09:581
31180991310,2cyclictest0-21swapper/109:52:391
3118099130,2cyclictest0-21swapper/111:22:001
3118099130,2cyclictest0-21swapper/111:11:481
3118099130,2cyclictest0-21swapper/110:27:201
3118099130,2cyclictest0-21swapper/109:20:491
3118099130,2cyclictest0-21swapper/107:35:181
3118099130,12cyclictest15177-21diskmemload12:30:381
3118099130,12cyclictest0-21swapper/111:42:191
3118099130,12cyclictest0-21swapper/111:36:481
3118099130,12cyclictest0-21swapper/109:55:171
3118099130,12cyclictest0-21swapper/108:55:151
3118099130,12cyclictest0-21swapper/108:55:141
3118099130,11cyclictest0-21swapper/107:15:181
31179991310,2cyclictest20605-21copy11:30:040
31179991310,2cyclictest0-21swapper/009:35:180
31179991310,2cyclictest0-21swapper/009:05:100
31179991310,2cyclictest0-21swapper/008:50:170
31179991310,2cyclictest0-21swapper/008:20:180
3117999130,2cyclictest15177-21diskmemload09:15:380
3117999130,2cyclictest0-21swapper/008:55:110
3117999130,2cyclictest0-21swapper/008:55:100
3117999130,12cyclictest0-21swapper/011:50:180
3117999130,12cyclictest0-21swapper/011:40:000
3117999130,12cyclictest0-21swapper/011:27:470
3117999130,12cyclictest0-21swapper/010:51:070
3117999130,12cyclictest0-21swapper/010:43:440
3117999130,12cyclictest0-21swapper/010:25:470
253382130,0sleep00-21swapper/011:00:200
214202130,2sleep10-21swapper/110:22:471
132672130,9sleep10-21swapper/107:45:101
3118299129,2cyclictest0-21swapper/309:00:183
3118299129,2cyclictest0-21swapper/308:51:033
3118299129,2cyclictest0-21swapper/307:46:013
3118299120,2cyclictest0-21swapper/312:05:273
3118299120,2cyclictest0-21swapper/307:20:173
3118299120,11cyclictest0-21swapper/311:45:183
3118299120,11cyclictest0-21swapper/307:15:173
3118199129,2cyclictest8891-21kworker/u8:008:58:042
3118199129,2cyclictest8891-21kworker/u8:008:58:042
3118199129,2cyclictest663-21kworker/u8:107:32:042
3118199129,2cyclictest3186-21kworker/u8:209:05:042
3118199129,2cyclictest3186-21kworker/u8:208:42:022
3118199129,2cyclictest30883-21kworker/u8:007:18:042
3118199129,2cyclictest27427-21kworker/u8:207:12:052
3118199129,2cyclictest24561-21kworker/u8:008:12:042
3118199129,2cyclictest16760-21kworker/u8:107:52:022
3118199129,2cyclictest0-21swapper/212:19:452
3118199129,2cyclictest0-21swapper/212:19:442
31181991210,1cyclictest0-21swapper/210:47:542
3118199120,1cyclictest0-21swapper/212:00:472
3118199120,1cyclictest0-21swapper/209:25:462
3118199120,11cyclictest0-21swapper/211:36:452
3118199120,11cyclictest0-21swapper/208:06:022
3118099129,2cyclictest0-21swapper/111:30:211
3118099129,2cyclictest0-21swapper/110:51:411
3118099129,2cyclictest0-21swapper/110:11:101
3118099129,2cyclictest0-21swapper/109:00:301
3118099129,2cyclictest0-21swapper/108:20:191
3118099129,2cyclictest0-21swapper/108:05:111
3118099120,2cyclictest0-21swapper/112:08:101
3118099120,2cyclictest0-21swapper/108:10:121
3118099120,11cyclictest15177-21diskmemload09:42:091
3118099120,11cyclictest0-21swapper/112:35:141
3118099120,11cyclictest0-21swapper/112:15:491
3118099120,11cyclictest0-21swapper/112:15:481
3118099120,11cyclictest0-21swapper/111:15:081
3118099120,11cyclictest0-21swapper/111:01:501
3118099120,11cyclictest0-21swapper/110:30:501
3118099120,11cyclictest0-21swapper/110:01:391
3118099120,11cyclictest0-21swapper/109:45:151
3118099120,11cyclictest0-21swapper/109:33:081
3117999129,2cyclictest0-21swapper/012:39:060
3117999129,2cyclictest0-21swapper/012:20:470
3117999129,2cyclictest0-21swapper/012:20:470
3117999129,2cyclictest0-21swapper/010:31:570
3117999129,2cyclictest0-21swapper/009:45:040
3117999129,2cyclictest0-21swapper/007:25:180
3117999120,2cyclictest0-21swapper/012:25:120
3117999120,2cyclictest0-21swapper/012:18:580
3117999120,2cyclictest0-21swapper/012:18:570
3117999120,2cyclictest0-21swapper/011:21:520
3117999120,2cyclictest0-21swapper/010:09:220
3117999120,11cyclictest13001-21ssh09:40:160
3117999120,11cyclictest0-21swapper/012:10:120
3117999120,11cyclictest0-21swapper/012:05:060
3117999120,11cyclictest0-21swapper/011:45:140
3117999120,11cyclictest0-21swapper/011:40:340
3117999120,11cyclictest0-21swapper/011:13:160
3117999120,11cyclictest0-21swapper/010:56:180
3117999120,11cyclictest0-21swapper/010:45:160
3117999120,11cyclictest0-21swapper/010:01:510
3117999120,11cyclictest0-21swapper/009:11:380
3117999120,11cyclictest0-21swapper/009:00:130
3117999120,11cyclictest0-21swapper/008:30:150
3117999120,11cyclictest0-21swapper/007:50:150
3117999120,11cyclictest0-21swapper/007:40:160
3117999120,11cyclictest0-21swapper/007:20:140
15212120,2sleep13118099cyclictest08:35:131
3118299118,2cyclictest0-21swapper/310:05:433
3118299118,2cyclictest0-21swapper/307:30:093
3118299116,3cyclictest19231-21cron08:00:003
3118199118,2cyclictest31281-21kworker/u8:108:39:042
3118199118,2cyclictest0-21swapper/208:16:042
3118199118,2cyclictest0-21swapper/207:20:122
3118199110,10cyclictest0-21swapper/208:00:172
3118099111,8cyclictest7341-21apt-get08:50:101
3118099111,3cyclictest25495-21apt-get08:15:131
3118099110,9cyclictest0-21swapper/108:45:111
3118099110,2cyclictest0-21swapper/107:20:131
3117999118,2cyclictest0-21swapper/007:56:000
3117999110,9cyclictest0-21swapper/008:44:120
3117999110,10cyclictest23679-21kworker/u8:111:07:050
3117999110,10cyclictest0-21swapper/008:14:470
3118299108,1cyclictest0-21swapper/308:56:023
3118299108,1cyclictest0-21swapper/308:56:023
3118299108,1cyclictest0-21swapper/308:00:193
3118299105,3cyclictest6542-21grep07:26:043
3118299105,3cyclictest26910-21grep08:16:053
3118299105,3cyclictest15583-21cut07:50:143
3118299105,3cyclictest12358-21find07:41:003
3118299105,3cyclictest0-21swapper/308:10:003
3118299104,3cyclictest31579-21telnet08:30:103
3118199107,2cyclictest24561-21kworker/u8:008:20:042
3118199105,3cyclictest9244-21basename07:35:122
3118199105,3cyclictest11793-21cut09:00:142
3118099107,2cyclictest0-21swapper/107:40:151
3118099105,3cyclictest31794-21tr08:30:121
3118099100,2cyclictest0-21swapper/108:40:111
3118099100,2cyclictest0-21swapper/108:25:151
3117999105,4cyclictest0-21swapper/008:47:040
143462100,2sleep20-21swapper/207:45:592
32393290,2sleep30-21swapper/307:10:193
311829996,2cyclictest0-21swapper/309:05:163
311829994,3cyclictest3350-21aten2.4-expect08:40:123
311829994,3cyclictest23616-21aten2.4_r3power08:10:123
311819994,3cyclictest3728-21runrttasks07:27:392
311819994,3cyclictest31835-21tr08:30:112
311819994,3cyclictest11991-21latency07:40:162
311819990,8cyclictest0-21swapper/208:50:012
311809996,2cyclictest17703-21df_abs07:55:131
311809996,2cyclictest0-21swapper/107:50:121
311809990,3cyclictest7179-21munin-node1
311799995,2cyclictest25733-21cut08:15:140
311799990,8cyclictest663-21kworker/u8:107:31:040
311799990,8cyclictest0-21swapper/007:35:000
311829983,3cyclictest29610-21cut08:25:133
311809985,2cyclictest0-21swapper/107:25:131
311799985,2cyclictest0-21swapper/008:01:020
311799983,3cyclictest31970-21hddtemp_smartct07:10:130
311799982,2cyclictest0-21swapper/007:15:050
311799980,7cyclictest7312-21kworker/u8:007:47:040
29979283,2sleep030116-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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