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2025-12-27 - 23:14

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 Sat Dec 27, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30907211493,16sleep20-21swapper/207:06:302
29389211493,15sleep10-21swapper/107:05:081
31169210897,6sleep00-21swapper/007:09:510
31007210588,12sleep30-21swapper/307:07:473
268272920,1sleep3381ktimersoftd/310:37:113
129012800,1sleep30-21swapper/309:44:493
118322780,0sleep00-21swapper/011:35:170
77572670,0sleep00-21swapper/009:38:160
120452670,0sleep00-21swapper/012:13:420
95182540,1sleep011-21rcuc/009:40:160
3120799310,29cyclictest0-21swapper/010:30:120
319322300,1sleep1221ktimersoftd/111:59:351
161232250,1sleep20-21swapper/209:47:442
181572220,0sleep20-21swapper/207:55:162
180732220,1sleep20-21swapper/211:05:122
151112220,0sleep10-21swapper/111:00:341
320882210,0sleep20-21swapper/209:29:322
31210992118,2cyclictest30883-21kworker/u8:212:07:043
3120799201,2cyclictest0-21swapper/008:00:120
3120799200,18cyclictest0-21swapper/009:00:110
264612200,1sleep00-21swapper/010:00:130
31210991916,2cyclictest28361-21kworker/u8:009:33:043
3121099191,2cyclictest0-21swapper/310:40:053
3121099190,17cyclictest0-21swapper/311:55:053
3120999190,18cyclictest0-21swapper/210:35:122
31208991916,2cyclictest21604-21kworker/u8:210:40:041
31210991815,2cyclictest4600-21kworker/u8:109:50:043
31210991815,2cyclictest3828-21kworker/u8:010:49:033
31210991815,2cyclictest30883-21kworker/u8:212:10:043
31210991815,2cyclictest30070-21kworker/u8:210:05:043
31210991815,2cyclictest29677-21kworker/u8:208:28:053
31210991815,2cyclictest25234-21kworker/u8:010:02:043
31210991815,2cyclictest2483-21kworker/u8:111:34:053
31210991815,2cyclictest22695-21kworker/u8:209:26:043
31210991815,2cyclictest16319-21kworker/u8:110:33:053
3121099180,16cyclictest0-21swapper/311:06:053
31210991714,2cyclictest4600-21kworker/u8:110:10:043
31210991714,2cyclictest29677-21kworker/u8:208:30:043
31210991714,2cyclictest2483-21kworker/u8:111:29:043
31210991714,2cyclictest24493-21kworker/u8:112:36:043
31210991714,2cyclictest2425-21kworker/u8:010:25:033
31210991714,2cyclictest13394-21kworker/u8:011:37:043
31210991714,2cyclictest13070-21kworker/u8:109:15:053
31210991714,2cyclictest12370-21kworker/u8:012:19:043
31210991714,2cyclictest11158-21kworker/u8:209:56:043
31210991714,2cyclictest10400-21kworker/u8:107:42:043
301182170,1sleep20-21swapper/210:04:392
103672170,0sleep00-21swapper/010:55:240
31210991613,2cyclictest5052-21kworker/u8:207:51:053
31210991613,2cyclictest3237-21kworker/u8:112:21:053
31210991613,2cyclictest29677-21kworker/u8:208:39:043
31210991613,2cyclictest24329-21kworker/u8:007:19:043
31210991613,2cyclictest2425-21kworker/u8:010:23:043
31210991613,2cyclictest21659-21kworker/u8:008:10:043
31210991613,2cyclictest21604-21kworker/u8:210:54:043
31210991613,2cyclictest17017-21kworker/u8:107:55:043
31210991613,2cyclictest16213-21kworker/u8:211:03:043
31210991613,2cyclictest10400-21kworker/u8:107:36:053
31208991613,2cyclictest16213-21kworker/u8:211:06:041
3120899160,14cyclictest0-21swapper/112:18:261
31207991611,3cyclictest15302-21diskmemload12:05:130
42472150,2sleep20-21swapper/211:26:012
31210991512,2cyclictest9472-21kworker/u8:209:04:043
31210991512,2cyclictest4600-21kworker/u8:109:47:043
31210991512,2cyclictest30883-21kworker/u8:212:04:043
31210991512,2cyclictest24493-21kworker/u8:112:34:043
31210991512,2cyclictest2423-21kworker/u8:107:24:043
31210991512,2cyclictest21659-21kworker/u8:008:21:043
31210991512,2cyclictest21659-21kworker/u8:008:17:033
31210991512,2cyclictest16213-21kworker/u8:211:20:053
31210991512,2cyclictest13394-21kworker/u8:011:53:043
31210991512,2cyclictest13394-21kworker/u8:011:45:043
31210991510,3cyclictest9214-21munin-node3
31210991510,3cyclictest0-21swapper/308:49:593
3121099150,2cyclictest0-21swapper/310:19:043
31209991510,3cyclictest16604-21swap11:40:242
3120999150,13cyclictest15302-21diskmemload12:25:112
3120999150,13cyclictest15302-21diskmemload12:25:112
3120999150,13cyclictest0-21swapper/211:48:422
3120999150,13cyclictest0-21swapper/210:15:042
31208991512,2cyclictest9184-21kworker/u8:210:19:041
31208991512,2cyclictest26262-21kworker/u8:010:36:041
31208991512,2cyclictest22695-21kworker/u8:209:28:041
31208991512,2cyclictest21604-21kworker/u8:210:51:041
31208991511,3cyclictest0-21swapper/111:35:131
31208991511,2cyclictest17262-21cut07:55:011
3120899150,13cyclictest0-21swapper/110:00:111
3120799152,7cyclictest0-21swapper/012:40:000
3120799152,7cyclictest0-21swapper/010:40:000
216732150,2sleep00-21swapper/011:10:010
326312140,2sleep00-21swapper/009:30:120
31210991411,2cyclictest29677-21kworker/u8:208:40:053
31210991411,2cyclictest21659-21kworker/u8:008:08:043
31210991411,2cyclictest16213-21kworker/u8:211:15:043
31210991411,2cyclictest12370-21kworker/u8:012:25:053
31210991411,2cyclictest12370-21kworker/u8:012:25:043
31210991411,2cyclictest0-21swapper/311:11:013
3121099140,13cyclictest18018-21ssh09:12:113
3121099140,12cyclictest0-21swapper/311:41:133
3121099140,12cyclictest0-21swapper/309:35:193
31209991411,2cyclictest0-21swapper/211:33:212
31209991411,2cyclictest0-21swapper/211:16:112
31209991411,2cyclictest0-21swapper/209:20:132
31209991411,2cyclictest0-21swapper/209:18:522
3120999141,10cyclictest0-21swapper/207:20:582
3120999140,3cyclictest7177-21apt-get08:50:052
3120999140,2cyclictest0-21swapper/211:24:022
3120999140,2cyclictest0-21swapper/208:40:122
3120999140,2cyclictest0-21swapper/208:35:112
3120999140,13cyclictest0-21swapper/212:17:212
3120999140,12cyclictest20505-21munin-node2
3120999140,12cyclictest0-21swapper/212:03:252
3120999140,12cyclictest0-21swapper/211:35:272
3120999140,12cyclictest0-21swapper/211:04:242
31208991411,2cyclictest4600-21kworker/u8:110:09:031
31208991411,2cyclictest28361-21kworker/u8:009:37:031
31208991411,2cyclictest26382-21kworker/u8:011:25:031
31208991411,2cyclictest24761-21munin-node1
31208991411,2cyclictest2425-21kworker/u8:010:14:041
31208991411,2cyclictest15302-21diskmemload12:30:081
31208991411,2cyclictest15302-21diskmemload09:33:571
31208991411,2cyclictest15302-21diskmemload09:21:341
31208991411,2cyclictest0-21swapper/111:41:561
31208991411,2cyclictest0-21swapper/110:34:071
31208991411,2cyclictest0-21swapper/109:50:161
3120899140,2cyclictest0-21swapper/112:02:561
3120899140,2cyclictest0-21swapper/111:30:461
3120899140,2cyclictest0-21swapper/109:48:061
3120899140,2cyclictest0-21swapper/109:16:561
3120899140,2cyclictest0-21swapper/107:40:161
3120899140,13cyclictest0-21swapper/112:22:461
3120899140,13cyclictest0-21swapper/108:50:161
3120899140,12cyclictest15302-21diskmemload10:25:181
3120899140,12cyclictest15302-21diskmemload10:22:381
3120899140,12cyclictest0-21swapper/111:10:011
3120799148,4cyclictest25393-21munin-run08:15:000
3120799140,12cyclictest19879-21ssh11:06:340
3120799140,12cyclictest15302-21diskmemload11:43:440
3120799140,12cyclictest0-21swapper/012:29:240
3120799140,12cyclictest0-21swapper/012:29:240
3121099130,2cyclictest0-21swapper/309:21:143
3121099130,2cyclictest0-21swapper/307:25:133
31209991310,2cyclictest15302-21diskmemload12:31:042
31209991310,2cyclictest0-21swapper/211:50:252
31209991310,2cyclictest0-21swapper/210:51:042
31209991310,2cyclictest0-21swapper/210:05:142
31209991310,2cyclictest0-21swapper/209:33:142
31209991310,2cyclictest0-21swapper/209:14:522
3120999130,2cyclictest15302-21diskmemload10:47:132
3120999130,2cyclictest0-21swapper/209:37:212
3120999130,12cyclictest4545-21ssh10:11:232
3120999130,12cyclictest0-21swapper/212:38:112
3120999130,12cyclictest0-21swapper/212:13:522
3120999130,12cyclictest0-21swapper/211:58:322
3120999130,12cyclictest0-21swapper/209:51:012
3120999130,12cyclictest0-21swapper/209:05:132
3120999130,11cyclictest9048-21apt-get07:35:002
3120999130,11cyclictest0-21swapper/210:42:312
3120999130,11cyclictest0-21swapper/208:05:102
31208991310,2cyclictest11158-21kworker/u8:209:57:051
31208991310,2cyclictest0-21swapper/112:38:221
31208991310,2cyclictest0-21swapper/112:10:191
31208991310,2cyclictest0-21swapper/112:07:021
31208991310,2cyclictest0-21swapper/111:46:171
31208991310,2cyclictest0-21swapper/111:21:141
31208991310,2cyclictest0-21swapper/111:15:351
31208991310,2cyclictest0-21swapper/109:41:521
31208991310,2cyclictest0-21swapper/107:30:131
31208991310,2cyclictest0-21swapper/107:10:251
31208991310,2cyclictest0-21swapper/107:10:251
3120899130,2cyclictest2613-21munin-node1
3120899130,12cyclictest0-21swapper/112:25:141
3120899130,12cyclictest0-21swapper/112:25:141
3120899130,12cyclictest0-21swapper/110:58:371
3120899130,12cyclictest0-21swapper/110:48:261
3120899130,12cyclictest0-21swapper/109:10:121
3120899130,12cyclictest0-21swapper/109:00:161
3120899130,12cyclictest0-21swapper/107:20:181
31207991310,2cyclictest0-21swapper/010:47:450
3120799130,2cyclictest0-21swapper/012:33:120
3120799130,2cyclictest0-21swapper/011:55:450
3120799130,11cyclictest0-21swapper/010:26:040
3120799130,11cyclictest0-21swapper/010:20:160
160932130,2sleep00-21swapper/012:18:180
3121099129,2cyclictest0-21swapper/309:09:303
3121099120,11cyclictest0-21swapper/308:55:203
3121099120,11cyclictest0-21swapper/307:30:163
3120999129,2cyclictest0-21swapper/212:20:162
3120999129,2cyclictest0-21swapper/210:20:522
3120999129,2cyclictest0-21swapper/208:55:132
3120999127,3cyclictest0-21swapper/210:55:132
3120999122,7cyclictest0-21swapper/207:12:012
3120999122,7cyclictest0-21swapper/207:12:012
3120999122,6cyclictest0-21swapper/207:45:242
3120999120,2cyclictest0-21swapper/209:55:432
3120999120,2cyclictest0-21swapper/208:45:112
3120999120,11cyclictest0-21swapper/212:05:022
3120999120,11cyclictest0-21swapper/211:12:132
3120999120,11cyclictest0-21swapper/210:30:432
3120999120,11cyclictest0-21swapper/210:25:532
3120999120,11cyclictest0-21swapper/209:42:132
3120999120,11cyclictest0-21swapper/207:15:162
3120899129,2cyclictest24329-21kworker/u8:007:35:041
3120899129,2cyclictest0-21swapper/108:25:131
3120899129,2cyclictest0-21swapper/108:10:271
3120899121,9cyclictest27637-21apt-get08:20:111
3120899120,2cyclictest0-21swapper/108:40:141
3120899120,2cyclictest0-21swapper/108:30:131
3120899120,2cyclictest0-21swapper/107:25:211
3120899120,11cyclictest0-21swapper/109:05:231
3120899120,11cyclictest0-21swapper/108:05:171
3120799129,2cyclictest0-21swapper/012:20:450
3120799129,2cyclictest0-21swapper/011:45:160
3120799129,2cyclictest0-21swapper/011:15:550
3120799129,2cyclictest0-21swapper/007:20:120
3120799128,2cyclictest31013-21df_inode11:20:150
3120799127,3cyclictest11082-21munin-run07:40:000
3120799122,6cyclictest0-21swapper/008:39:590
3120799121,8cyclictest0-21swapper/007:47:490
3120799121,2cyclictest0-21swapper/008:55:270
3120799120,2cyclictest0-21swapper/012:01:150
3120799120,2cyclictest0-21swapper/011:50:050
3120799120,2cyclictest0-21swapper/010:40:250
3120799120,11cyclictest0-21swapper/010:19:250
3120799120,11cyclictest0-21swapper/007:25:150
3120799120,10cyclictest15618-21ssh09:10:110
3120799120,10cyclictest15302-21diskmemload09:25:360
258872120,2sleep00-21swapper/009:21:020
3120999112,6cyclictest0-21swapper/209:00:582
3120999112,6cyclictest0-21swapper/207:51:592
3120999110,9cyclictest0-21swapper/208:20:162
3120999110,10cyclictest0-21swapper/208:30:232
3120899118,2cyclictest9472-21kworker/u8:208:56:051
3120899118,2cyclictest13078-21kworker/u8:007:45:031
3120899118,2cyclictest0-21swapper/108:05:001
3120899110,3cyclictest19156-21latency_hist08:00:001
3120799118,2cyclictest0-21swapper/011:25:040
3120799118,2cyclictest0-21swapper/010:50:450
3120799118,2cyclictest0-21swapper/009:45:270
3120799113,6cyclictest0-21swapper/007:12:430
3120799113,6cyclictest0-21swapper/007:12:420
3120799111,2cyclictest15302-21diskmemload11:30:030
3120799110,9cyclictest0-21swapper/009:16:530
3120799110,2cyclictest0-21swapper/010:11:460
3120799110,2cyclictest0-21swapper/009:57:050
3120799110,10cyclictest0-21swapper/009:50:110
154672110,8sleep00-21swapper/011:01:140
3121099107,2cyclictest0-21swapper/308:04:593
3121099100,2cyclictest0-21swapper/308:50:053
3121099100,2cyclictest0-21swapper/307:48:043
3120999107,2cyclictest0-21swapper/208:25:132
3120999102,7cyclictest0-21swapper/208:11:012
3120999102,6cyclictest0-21swapper/207:25:592
3120899107,2cyclictest25603-21kworker/u8:108:49:041
3120899107,2cyclictest0-21swapper/108:20:001
3120899107,2cyclictest0-21swapper/107:15:221
3120799107,2cyclictest0-21swapper/010:06:280
3120799107,2cyclictest0-21swapper/008:50:030
3120799107,2cyclictest0-21swapper/008:40:150
3120799105,3cyclictest5525-21tr08:45:130
3120799105,3cyclictest538-21grep08:30:270
3120799102,6cyclictest0-21swapper/007:55:230
3120799102,6cyclictest0-21swapper/007:40:240
3120799100,6cyclictest0-21swapper/009:08:060
268542100,0sleep00-21swapper/008:15:260
312109996,2cyclictest0-21swapper/307:10:143
312109996,2cyclictest0-21swapper/307:10:143
312099994,3cyclictest7291-21aten2.4-expect07:30:122
312099991,6cyclictest0-21swapper/207:42:482
312079994,3cyclictest8174-21proc_pri07:30:180
312079994,3cyclictest29690-21aten2.4_r3power08:25:110
312079994,3cyclictest28859-21timerandwakeup08:20:250
312079994,3cyclictest22414-21tail08:05:190
312079994,3cyclictest15458-21aten2.4_r3power07:50:120
312079983,3cyclictest1051-21aten2.4_r3power07:15:150
27156280,1sleep20-21swapper/208:17:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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