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2026-03-15 - 23:50

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 Sun Mar 15, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
823621480,1sleep20-21swapper/210:55:142
756121390,0sleep00-21swapper/010:55:000
17428212399,18sleep00-21swapper/007:06:440
17523212198,18sleep10-21swapper/107:07:571
17613211192,14sleep20-21swapper/207:09:062
17431211194,12sleep30-21swapper/307:06:483
1085521110,6sleep31771399cyclictest09:18:513
325662760,0sleep20-21swapper/210:46:202
139632760,1sleep30-21swapper/311:00:323
86322700,0sleep10-21swapper/110:55:171
218062690,0sleep00-21swapper/011:09:310
82562670,0sleep30-21swapper/312:35:003
1771299250,24cyclictest0-21swapper/211:30:122
1771099251,19cyclictest26215-21ssh12:20:110
303302240,0sleep00-21swapper/010:11:030
1771099231,9cyclictest0-21swapper/008:40:140
17713992219,2cyclictest22528-21kworker/u8:111:32:043
105552220,1sleep30-21swapper/312:36:203
1771099210,19cyclictest0-21swapper/011:55:190
1771099210,19cyclictest0-21swapper/011:30:120
259282200,0sleep20-21swapper/207:30:002
17713992017,2cyclictest15174-21kworker/u8:011:58:013
17712992015,3cyclictest32168-21ssh11:20:092
1771299200,2cyclictest0-21swapper/212:20:112
17711992017,2cyclictest29223-21kworker/u8:109:42:051
1771099200,18cyclictest0-21swapper/011:41:570
1771099200,18cyclictest0-21swapper/007:30:140
1771099200,18cyclictest0-21swapper/007:30:140
17713991916,2cyclictest5697-21kworker/u8:210:27:043
17713991916,2cyclictest2167-21kworker/u8:109:22:053
17713991916,2cyclictest15174-21kworker/u8:011:43:043
1771299191,16cyclictest0-21swapper/207:50:112
17711991915,2cyclictest20811-21kworker/u8:111:01:041
1771099190,18cyclictest0-21swapper/012:03:540
1771099190,17cyclictest0-21swapper/009:25:000
180442180,2sleep3381ktimersoftd/309:59:243
17713991815,2cyclictest7358-21kworker/u8:109:52:053
17713991815,2cyclictest16866-21kworker/u8:209:37:043
17713991815,2cyclictest16327-21kworker/u8:012:10:053
17713991815,2cyclictest13460-21kworker/u8:010:30:043
17712991815,2cyclictest13460-21kworker/u8:010:28:042
1771099187,9cyclictest11381-21ssh10:25:150
1771099182,13cyclictest0-21swapper/009:56:580
1771099182,10cyclictest0-21swapper/008:55:000
1771099181,15cyclictest22310-21grep07:20:120
1771099180,8cyclictest0-21swapper/009:54:310
1771099180,17cyclictest0-21swapper/010:36:020
1771099180,17cyclictest0-21swapper/010:22:510
1771099180,17cyclictest0-21swapper/009:28:380
1771099180,16cyclictest0-21swapper/012:12:120
1771099180,16cyclictest0-21swapper/011:19:250
1771099180,16cyclictest0-21swapper/011:19:240
1771099180,16cyclictest0-21swapper/010:08:240
1771099180,16cyclictest0-21swapper/009:35:270
17713991714,2cyclictest32447-21kworker/u8:110:15:053
17713991714,2cyclictest22528-21kworker/u8:111:20:043
17713991714,2cyclictest19555-21kworker/u8:107:19:043
17713991714,2cyclictest18266-21kworker/u8:108:32:043
17713991714,2cyclictest1672-21kworker/u8:112:29:043
17713991714,2cyclictest1672-21kworker/u8:112:24:013
17713991714,2cyclictest15174-21kworker/u8:012:03:043
1771099172,12cyclictest0-21swapper/008:46:580
17710991710,6cyclictest0-21swapper/011:28:430
17710991710,6cyclictest0-21swapper/010:45:110
1771099170,8cyclictest1656-21diskmemload12:19:040
1771099170,7cyclictest0-21swapper/012:34:380
1771099170,7cyclictest0-21swapper/009:32:170
1771099170,7cyclictest0-21swapper/007:15:160
1771099170,16cyclictest0-21swapper/011:49:520
1771099170,16cyclictest0-21swapper/011:37:190
1771099170,16cyclictest0-21swapper/011:00:110
1771099170,16cyclictest0-21swapper/010:01:570
1771099170,16cyclictest0-21swapper/009:45:210
1771099170,16cyclictest0-21swapper/009:40:040
1771099170,16cyclictest0-21swapper/008:25:130
1771099170,15cyclictest0-21swapper/009:17:210
17713991613,2cyclictest2903-21kworker/u8:211:11:043
17713991613,2cyclictest26773-21kworker/u8:007:38:043
17713991613,2cyclictest26773-21kworker/u8:007:38:043
17713991613,2cyclictest2167-21kworker/u8:109:11:043
17713991613,2cyclictest2043-21kworker/u8:108:08:043
17713991613,2cyclictest13455-21kworker/u8:210:03:043
17713991613,2cyclictest10147-21kworker/u8:008:48:043
1771399161,2cyclictest0-21swapper/310:50:473
1771399161,13cyclictest25111-21ssh09:33:093
1771199162,12cyclictest23-21ksoftirqd/109:20:561
17711991613,2cyclictest6179-21kworker/u8:212:34:011
17711991613,2cyclictest6130-21kworker/u8:208:21:041
17711991613,2cyclictest2903-21kworker/u8:211:13:041
17711991613,2cyclictest1879-21kworker/u8:010:01:041
17711991613,2cyclictest15174-21kworker/u8:011:50:011
17711991613,2cyclictest13455-21kworker/u8:209:55:041
17711991613,2cyclictest0-21swapper/112:20:391
1771099165,9cyclictest5864-21cat08:00:000
1771099160,6cyclictest0-21swapper/010:17:330
1771099160,1cyclictest0-21swapper/010:43:190
1771099160,1cyclictest0-21swapper/009:10:270
1771099160,1cyclictest0-21swapper/008:01:070
1771099160,1cyclictest0-21swapper/007:54:580
1771099160,15cyclictest0-21swapper/012:36:280
1771099160,14cyclictest0-21swapper/011:54:440
1771099160,14cyclictest0-21swapper/011:11:540
1771099160,14cyclictest0-21swapper/008:19:530
259552150,3sleep20-21swapper/211:13:272
17713991512,2cyclictest6130-21kworker/u8:208:14:053
17713991512,2cyclictest30377-21kworker/u8:209:03:053
17713991512,2cyclictest2903-21kworker/u8:211:17:043
17713991512,2cyclictest2903-21kworker/u8:211:17:043
17713991512,2cyclictest2903-21kworker/u8:211:07:043
17713991512,2cyclictest28004-21kworker/u8:010:46:043
17713991512,2cyclictest26773-21kworker/u8:007:40:043
17713991512,2cyclictest22528-21kworker/u8:111:35:043
17713991512,2cyclictest22528-21kworker/u8:111:25:043
17713991512,2cyclictest2167-21kworker/u8:109:25:053
17713991512,2cyclictest21220-21kworker/u8:208:38:053
17713991512,2cyclictest19555-21kworker/u8:107:20:043
17713991512,2cyclictest1879-21kworker/u8:009:46:043
17713991512,2cyclictest13455-21kworker/u8:210:11:043
17713991512,2cyclictest10147-21kworker/u8:008:27:043
1771399150,14cyclictest0-21swapper/311:52:173
1771299151,12cyclictest32046-21sh10:13:222
17712991511,2cyclictest0-21swapper/212:36:032
17711991512,2cyclictest3582-21kworker/u8:211:39:041
17711991512,2cyclictest30163-21kworker/u8:011:23:041
17711991512,2cyclictest26773-21kworker/u8:007:36:061
17711991512,2cyclictest26773-21kworker/u8:007:36:051
1771199150,3cyclictest3212-21df10:50:131
1771199150,14cyclictest0-21swapper/112:02:031
1771199150,13cyclictest0-21swapper/109:34:221
1771099154,9cyclictest32120-21sort09:05:000
1771099154,9cyclictest3127-21nscd12:05:180
1771099154,9cyclictest1656-21diskmemload12:29:560
1771099154,9cyclictest1656-21diskmemload10:55:100
1771099153,10cyclictest28188-21cut07:35:110
1771099153,10cyclictest28188-21cut07:35:110
1771099153,10cyclictest20232-21cut08:35:110
1771099151,12cyclictest771-21gzip07:46:000
1771099150,14cyclictest0-21swapper/011:21:310
1771099150,14cyclictest0-21swapper/008:10:170
1771099150,14cyclictest0-21swapper/007:25:110
84222140,2sleep20-21swapper/210:21:402
1771399141,2cyclictest3728-21runrttasks07:50:293
17713991411,2cyclictest26773-21kworker/u8:007:32:053
17713991411,2cyclictest26773-21kworker/u8:007:32:043
17713991411,2cyclictest20839-21kworker/u8:111:46:043
17713991411,2cyclictest20811-21kworker/u8:110:57:043
17713991411,2cyclictest1672-21kworker/u8:112:05:043
1771399140,2cyclictest0-21swapper/310:20:073
1771399140,2cyclictest0-21swapper/309:43:323
1771399140,12cyclictest6130-21kworker/u8:208:16:043
1771399140,12cyclictest0-21swapper/310:06:393
17712991411,2cyclictest26773-21kworker/u8:007:58:052
17712991411,2cyclictest0-21swapper/208:10:002
17712991410,2cyclictest2646-21python10:16:022
17712991410,2cyclictest0-21swapper/209:35:152
1771299140,2cyclictest0-21swapper/211:41:042
1771299140,12cyclictest12224-21if_eth012:05:142
1771299140,12cyclictest0-21swapper/210:40:112
17711991411,2cyclictest3582-21kworker/u8:211:40:041
17711991411,2cyclictest30377-21kworker/u8:209:17:051
17711991411,2cyclictest2903-21kworker/u8:211:08:041
17711991411,2cyclictest26773-21kworker/u8:007:52:041
17711991411,2cyclictest26773-21kworker/u8:007:43:041
17711991411,2cyclictest15174-21kworker/u8:011:45:041
17711991411,2cyclictest0-21swapper/112:08:231
17711991411,2cyclictest0-21swapper/110:21:521
17711991411,2cyclictest0-21swapper/110:13:361
17711991411,2cyclictest0-21swapper/110:06:021
17711991411,2cyclictest0-21swapper/108:15:151
1771199140,2cyclictest0-21swapper/112:12:041
1771199140,2cyclictest0-21swapper/111:31:131
1771199140,2cyclictest0-21swapper/110:30:531
1771199140,2cyclictest0-21swapper/110:18:221
1771199140,2cyclictest0-21swapper/109:50:431
1771199140,13cyclictest0-21swapper/110:41:521
1771199140,12cyclictest21134-21ssh09:29:321
1771199140,12cyclictest0-21swapper/111:25:061
1771099143,9cyclictest18854-21kernelversion08:30:150
1771099143,9cyclictest18075-21aten2.4_r3power07:10:130
1771099142,10cyclictest32351-21aten2.4-expect09:05:110
1771099142,10cyclictest30161-21cut07:40:110
1771099142,10cyclictest14559-21grep08:20:130
1771099141,11cyclictest8626-21fschecks_time08:05:140
1771099141,11cyclictest28313-21aten2.4-expect08:55:120
1771099141,11cyclictest15813-21aten2.4_r3power10:30:120
17713991310,2cyclictest26061-21kworker/u8:207:46:023
17713991310,2cyclictest21220-21kworker/u8:208:40:013
17713991310,2cyclictest0-21swapper/310:40:213
17713991310,2cyclictest0-21swapper/308:00:193
17713991310,2cyclictest0-21swapper/307:10:173
1771399130,12cyclictest26067-21copy08:50:003
1771399130,12cyclictest1656-21diskmemload12:15:083
1771399130,12cyclictest0-21swapper/310:35:183
1771299130,2cyclictest0-21swapper/209:30:402
1771299130,2cyclictest0-21swapper/207:41:022
1771299130,12cyclictest0-21swapper/209:05:122
1771299130,11cyclictest15949-21ssh11:02:592
17711991310,2cyclictest2903-21kworker/u8:211:15:041
17711991310,2cyclictest2903-21kworker/u8:211:15:041
17711991310,2cyclictest19555-21kworker/u8:107:16:051
17711991310,2cyclictest16866-21kworker/u8:209:45:041
17711991310,2cyclictest0-21swapper/109:35:051
17711991310,2cyclictest0-21swapper/109:10:511
1771199130,2cyclictest533-21irqstats09:05:161
1771199130,2cyclictest0-21swapper/112:17:031
1771199130,2cyclictest0-21swapper/108:30:161
1771199130,2cyclictest0-21swapper/107:11:011
1771199130,12cyclictest0-21swapper/112:35:001
1771199130,12cyclictest0-21swapper/111:56:171
1771199130,12cyclictest0-21swapper/110:26:561
1771199130,12cyclictest0-21swapper/107:56:031
1771199130,11cyclictest30407-21apt-get10:45:101
1771199130,11cyclictest23997-21apt-get08:45:071
1771199130,11cyclictest0-21swapper/112:25:091
109272130,2sleep20-21swapper/209:18:592
1771399129,2cyclictest25959-21kworker/u8:108:58:043
1771399129,2cyclictest0-21swapper/309:05:163
1771399129,2cyclictest0-21swapper/307:55:173
1771399120,2cyclictest0-21swapper/308:20:133
1771299129,2cyclictest0-21swapper/211:45:072
1771299129,2cyclictest0-21swapper/211:06:582
1771299129,2cyclictest0-21swapper/210:36:032
1771299129,2cyclictest0-21swapper/209:47:022
1771299129,2cyclictest0-21swapper/208:25:172
1771299129,2cyclictest0-21swapper/207:35:132
1771299129,2cyclictest0-21swapper/207:35:132
1771299123,6cyclictest0-21swapper/208:12:262
1771299122,7cyclictest5424-21ssh09:13:012
1771299122,7cyclictest0-21swapper/212:10:012
1771299122,7cyclictest0-21swapper/210:32:022
1771299122,7cyclictest0-21swapper/208:35:012
1771299122,7cyclictest0-21swapper/207:19:582
1771299121,6cyclictest0-21swapper/211:30:012
1771299120,2cyclictest0-21swapper/209:00:152
1771299120,10cyclictest0-21swapper/212:15:502
1771199129,2cyclictest6130-21kworker/u8:208:12:041
1771199129,2cyclictest2043-21kworker/u8:108:03:051
1771199129,2cyclictest18266-21kworker/u8:108:35:041
1771199129,2cyclictest0-21swapper/109:01:021
1771199129,2cyclictest0-21swapper/108:40:101
1771199120,2cyclictest0-21swapper/110:35:071
1771199120,11cyclictest0-21swapper/108:05:151
1771299118,2cyclictest0-21swapper/212:29:312
1771299118,2cyclictest0-21swapper/212:00:032
1771299118,2cyclictest0-21swapper/211:55:022
1771299118,2cyclictest0-21swapper/209:50:572
1771299118,2cyclictest0-21swapper/209:20:062
1771299116,3cyclictest7943-21cat08:05:002
1771299113,6cyclictest0-21swapper/209:27:442
1771299112,6cyclictest0-21swapper/208:59:582
1771299112,6cyclictest0-21swapper/208:20:012
1771299110,2cyclictest0-21swapper/210:52:402
1771299110,2cyclictest0-21swapper/210:08:122
1771299110,2cyclictest0-21swapper/209:40:132
1771299110,10cyclictest0-21swapper/207:11:532
1771199118,2cyclictest10147-21kworker/u8:008:26:051
1771199110,9cyclictest0-21swapper/107:25:161
1771199110,2cyclictest0-21swapper/107:30:121
1771199110,2cyclictest0-21swapper/107:30:121
162362110,2sleep20-21swapper/209:56:392
1771299107,2cyclictest0-21swapper/212:31:282
1771299107,2cyclictest0-21swapper/210:01:362
1771299105,3cyclictest15501-21grep11:35:172
1771299102,7cyclictest0-21swapper/207:49:582
1771299102,7cyclictest0-21swapper/207:33:582
1771299102,7cyclictest0-21swapper/207:33:582
1771299100,7cyclictest1656-21diskmemload11:17:022
1771299100,7cyclictest1656-21diskmemload11:17:022
1771299100,7cyclictest0-21swapper/208:52:012
1771299100,7cyclictest0-21swapper/208:49:582
1771299100,2cyclictest0-21swapper/211:51:072
1771299100,2cyclictest0-21swapper/208:15:192
1771199107,2cyclictest0-21swapper/108:56:521
1771199100,9cyclictest0-21swapper/107:20:151
1771199100,2cyclictest0-21swapper/108:50:131
1771199100,2cyclictest0-21swapper/107:45:161
177139983,3cyclictest240282sleep307:25:093
177129985,2cyclictest29-21rcuc/207:20:132
177129983,3cyclictest22227-21cut08:40:112
177129983,3cyclictest0-21swapper/208:31:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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