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2026-08-09 - 14:30

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 Aug 09, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25058211392,16sleep20-21swapper/207:07:172
25030211187,19sleep00-21swapper/007:06:560
24984210998,6sleep10-21swapper/107:06:211
2507429979,6sleep30-21swapper/307:07:303
301182860,0sleep20-21swapper/211:08:222
248612840,1sleep324865-21sendmail_mailqu08:26:033
266302820,1sleep226634-21needreboot08:30:192
81842760,0sleep2301ktimersoftd/210:45:442
115062730,1sleep00-21swapper/011:21:350
94802700,5sleep12530299cyclictest11:52:251
253742690,0sleep30-21swapper/309:25:173
143942680,1sleep20-21swapper/210:52:022
4182580,1sleep00-21swapper/010:38:370
2530299360,2cyclictest0-21swapper/109:50:121
2530499267,1cyclictest0-21swapper/207:25:112
25304992521,3cyclictest9382-21diskmemload09:34:042
25304992421,2cyclictest29539-21kworker/u8:309:53:052
25304992421,2cyclictest18492-21kworker/u8:110:26:052
25304992421,2cyclictest15565-21kworker/u8:210:56:062
25304992320,2cyclictest7720-21kworker/u8:209:18:022
25304992320,2cyclictest29539-21kworker/u8:310:00:062
25304992219,2cyclictest549-21kworker/u8:211:48:042
25304992219,2cyclictest30756-21kworker/u8:211:26:042
25304992219,2cyclictest24270-21kworker/u8:010:13:042
25304992219,2cyclictest20830-21kworker/u8:012:05:052
25304992219,2cyclictest20007-21kworker/u8:311:02:042
25304992219,2cyclictest1212-21kworker/u8:007:47:042
2530499221,10cyclictest0-21swapper/211:52:012
2530499220,18cyclictest0-21swapper/212:15:052
2530299221,19cyclictest0-21swapper/111:45:101
7052210,0sleep30-21swapper/309:33:303
25304992118,2cyclictest755-21kworker/u8:007:21:042
25304992118,2cyclictest3722-21kworker/u8:011:18:052
25304992118,2cyclictest29539-21kworker/u8:309:44:052
25304992118,2cyclictest13124-21kworker/u8:009:07:042
25304992118,2cyclictest10089-21kworker/u8:212:29:052
25304992118,2cyclictest10089-21kworker/u8:211:58:052
2530499210,4cyclictest0-21swapper/212:30:042
25305992017,2cyclictest25298-21cyclictest09:20:133
2530599200,19cyclictest0-21swapper/311:45:093
25304992017,2cyclictest5570-21kworker/u8:108:12:012
25304992017,2cyclictest30426-21kworker/u8:110:39:042
25304992017,2cyclictest21826-21kworker/u8:108:24:042
25304992017,2cyclictest13452-21kworker/u8:310:34:022
25304992017,2cyclictest12708-21kworker/u8:109:35:052
25304992017,2cyclictest10089-21kworker/u8:212:13:052
25304992017,2cyclictest10089-21kworker/u8:212:13:042
2530499201,2cyclictest0-21swapper/208:46:042
2530499200,18cyclictest0-21swapper/211:32:022
2530499200,15cyclictest0-21swapper/211:41:052
25304991916,2cyclictest30756-21kworker/u8:211:24:042
25304991916,2cyclictest30756-21kworker/u8:211:10:042
25304991916,2cyclictest27974-21kworker/u8:011:39:042
25304991916,2cyclictest27923-21kworker/u8:108:38:042
25304991916,2cyclictest24270-21kworker/u8:010:21:042
25304991916,2cyclictest19275-21kworker/u8:208:16:022
25304991916,2cyclictest13124-21kworker/u8:009:03:052
25304991916,2cyclictest10966-21kworker/u8:207:55:042
25304991916,2cyclictest10089-21kworker/u8:212:23:042
25302991916,2cyclictest10089-21kworker/u8:212:06:051
151832190,1sleep12530299cyclictest12:30:371
25304991815,2cyclictest5570-21kworker/u8:108:01:052
2530499180,2cyclictest0-21swapper/212:35:052
2530499180,2cyclictest0-21swapper/209:20:052
2530499180,16cyclictest0-21swapper/208:06:052
25302991815,2cyclictest13124-21kworker/u8:009:08:051
2530299180,2cyclictest9382-21diskmemload11:27:041
2529999180,16cyclictest0-21swapper/007:15:130
236002180,0sleep10-21swapper/109:24:021
2530599170,5cyclictest0-21swapper/309:37:593
25304991714,2cyclictest755-21kworker/u8:007:12:052
25302991714,2cyclictest9470-21kworker/u8:110:47:041
25302991714,2cyclictest31236-21kworker/u8:107:25:051
25302991714,2cyclictest11955-21kworker/u8:109:47:041
25302991712,3cyclictest0-21swapper/110:40:121
25305991611,3cyclictest0-21swapper/307:30:203
2530599160,7cyclictest0-21swapper/310:11:023
2530599160,2cyclictest0-21swapper/309:50:123
2530499160,4cyclictest0-21swapper/210:06:052
2530499160,2cyclictest0-21swapper/209:48:042
2530499160,2cyclictest0-21swapper/208:44:052
25302991613,2cyclictest7288-21kworker/u8:012:24:041
25302991613,2cyclictest29539-21kworker/u8:310:01:051
25302991613,2cyclictest24423-21kworker/u8:010:37:041
25302991613,2cyclictest23464-21kworker/u8:009:26:051
25302991613,2cyclictest20007-21kworker/u8:311:00:011
25302991613,2cyclictest13124-21kworker/u8:009:14:041
25302991613,2cyclictest13124-21kworker/u8:008:14:041
25302991613,2cyclictest11097-21kworker/u8:210:18:051
25302991613,2cyclictest10439-21kworker/u8:111:32:061
25302991612,2cyclictest29202-21kworker/u8:209:32:011
25302991611,3cyclictest10113-21if_eth007:50:161
2530299160,11cyclictest0-21swapper/111:20:051
2529999161,13cyclictest9382-21diskmemload11:30:060
25299991611,3cyclictest24517-21gdbus09:25:050
2530599151,3cyclictest30937-21grep08:41:013
2530599151,12cyclictest0-21swapper/311:27:073
2530599150,13cyclictest0-21swapper/311:56:003
25304991512,2cyclictest1212-21kworker/u8:007:36:052
2530499150,13cyclictest0-21swapper/207:31:062
2530299159,4cyclictest0-21swapper/112:37:481
2530299155,2cyclictest0-21swapper/111:10:121
2530299152,7cyclictest0-21swapper/108:35:011
25302991512,2cyclictest3722-21kworker/u8:011:19:051
25302991512,2cyclictest29539-21kworker/u8:309:42:051
25302991512,2cyclictest25727-21kworker/u8:011:07:051
25302991512,2cyclictest20007-21kworker/u8:310:59:051
25302991512,2cyclictest13452-21kworker/u8:310:27:051
25302991512,2cyclictest10089-21kworker/u8:212:03:041
2530299150,13cyclictest31690-21df_abs12:15:141
2530299150,13cyclictest0-21swapper/110:53:051
2530299150,10cyclictest0-21swapper/109:37:051
2529999152,7cyclictest24290-21copy09:25:000
2529999152,7cyclictest0-21swapper/009:15:000
2529999151,3cyclictest8831-21sensors09:41:040
2529999151,3cyclictest26303-21ssh12:10:050
2529999151,3cyclictest26303-21ssh12:10:040
25299991510,3cyclictest0-21swapper/009:35:130
2529999150,3cyclictest0-21swapper/011:00:170
2529999150,3cyclictest0-21swapper/007:35:140
2529999150,13cyclictest0-21swapper/012:30:170
2529999150,13cyclictest0-21swapper/012:05:000
2530599149,3cyclictest0-21swapper/310:43:023
2530599149,3cyclictest0-21swapper/308:05:183
25305991411,2cyclictest0-21swapper/310:55:313
2530599140,2cyclictest0-21swapper/308:11:033
2530599140,13cyclictest0-21swapper/311:17:213
2530599140,12cyclictest603-21timerandwakeup08:46:033
2530599140,12cyclictest26329-21sh09:59:403
2530599140,12cyclictest0-21swapper/312:25:203
2530599140,12cyclictest0-21swapper/312:12:033
2530599140,12cyclictest0-21swapper/312:12:023
2530599140,12cyclictest0-21swapper/311:35:303
2530599140,12cyclictest0-21swapper/311:03:483
2530599140,12cyclictest0-21swapper/310:26:023
2530299142,7cyclictest3056-21apt-get07:35:001
25302991411,2cyclictest755-21kworker/u8:007:15:051
25302991411,2cyclictest5570-21kworker/u8:107:57:051
25302991411,2cyclictest24270-21kworker/u8:010:10:041
25302991411,2cyclictest22275-21kworker/u8:211:37:041
25302991411,2cyclictest10089-21kworker/u8:211:55:051
2530299140,3cyclictest0-21swapper/109:15:191
2530299140,2cyclictest0-21swapper/112:10:161
2530299140,2cyclictest0-21swapper/112:10:151
2530299140,12cyclictest0-21swapper/111:43:361
2530299140,12cyclictest0-21swapper/110:33:001
2530299140,12cyclictest0-21swapper/110:24:481
2530299140,12cyclictest0-21swapper/110:06:041
2529999149,3cyclictest0-21swapper/010:50:140
2529999141,7cyclictest25332-21copy07:09:590
25299991411,2cyclictest0-21swapper/009:05:150
2529999141,11cyclictest32571-21ssh09:32:370
2529999140,3cyclictest0-21swapper/007:55:190
2529999140,2cyclictest0-21swapper/007:25:110
2530599139,3cyclictest0-21swapper/309:45:383
25305991310,2cyclictest0-21swapper/312:33:093
25305991310,2cyclictest0-21swapper/311:50:593
25305991310,2cyclictest0-21swapper/311:32:113
25305991310,2cyclictest0-21swapper/311:21:173
25305991310,2cyclictest0-21swapper/311:08:403
25305991310,2cyclictest0-21swapper/310:52:023
25305991310,2cyclictest0-21swapper/310:07:213
25305991310,2cyclictest0-21swapper/310:00:173
2530599130,2cyclictest28203-21ssh10:33:583
2530599130,2cyclictest15070-21df_inode09:15:133
2530599130,2cyclictest0-21swapper/311:41:033
2530599130,12cyclictest0-21swapper/312:36:403
2530599130,12cyclictest0-21swapper/312:20:173
2530599130,12cyclictest0-21swapper/312:08:223
2530599130,12cyclictest0-21swapper/310:24:223
2530599130,12cyclictest0-21swapper/309:44:183
2530599130,12cyclictest0-21swapper/309:12:013
2530599130,11cyclictest0-21swapper/310:35:033
25304991310,2cyclictest13837-21ssh09:14:162
2530499130,2cyclictest0-21swapper/209:26:332
2530499130,12cyclictest0-21swapper/210:42:162
2530499130,11cyclictest0-21swapper/212:00:182
25302991310,2cyclictest5570-21kworker/u8:107:42:051
25302991310,2cyclictest3467-21kworker/u8:108:57:051
25302991310,2cyclictest3467-21kworker/u8:108:57:041
25302991310,2cyclictest31494-21kworker/u8:208:53:041
25302991310,2cyclictest31236-21kworker/u8:107:23:041
25302991310,2cyclictest21826-21kworker/u8:108:29:041
25302991310,2cyclictest19275-21kworker/u8:208:16:061
25302991310,2cyclictest10089-21kworker/u8:212:28:051
25302991310,2cyclictest0-21swapper/109:00:201
2530299130,2cyclictest0-21swapper/109:56:361
2530299130,2cyclictest0-21swapper/108:40:011
2530299130,11cyclictest0-21swapper/108:35:411
2530299130,11cyclictest0-21swapper/108:05:521
2529999138,3cyclictest3728-21runrttasks11:58:140
2529999138,3cyclictest10913-21ssh11:54:340
2529999132,8cyclictest0-21swapper/012:18:590
2529999132,7cyclictest18778-21copy11:30:000
2529999132,6cyclictest0-21swapper/010:45:010
2529999132,6cyclictest0-21swapper/010:14:590
2529999132,6cyclictest0-21swapper/008:20:010
25299991310,2cyclictest0-21swapper/012:39:440
25299991310,2cyclictest0-21swapper/011:11:450
2529999130,12cyclictest0-21swapper/009:56:020
235812130,2sleep20-21swapper/209:56:032
2530599129,2cyclictest0-21swapper/312:15:123
2530599129,2cyclictest0-21swapper/311:10:013
2530599129,2cyclictest0-21swapper/307:56:033
2530599129,2cyclictest0-21swapper/307:25:063
2530599122,6cyclictest0-21swapper/309:06:023
2530599122,6cyclictest0-21swapper/308:16:013
2530599120,2cyclictest0-21swapper/312:00:533
2530599120,2cyclictest0-21swapper/310:15:423
2530599120,2cyclictest0-21swapper/307:45:393
2530599120,11cyclictest0-21swapper/310:48:033
2530599120,11cyclictest0-21swapper/308:20:163
2530599120,11cyclictest0-21swapper/307:40:173
2530499120,11cyclictest0-21swapper/210:15:192
2530299129,2cyclictest1212-21kworker/u8:007:46:011
2530299121,9cyclictest0-21swapper/108:00:151
2530299121,3cyclictest0-21swapper/108:20:131
2529999129,2cyclictest0-21swapper/010:16:450
2529999129,2cyclictest0-21swapper/008:45:140
2529999128,2cyclictest0-21swapper/007:20:040
2529999127,3cyclictest2151-21cut10:40:150
2529999122,7cyclictest0-21swapper/008:23:590
2529999122,6cyclictest0-21swapper/010:25:000
2529999122,6cyclictest0-21swapper/010:09:100
2529999122,6cyclictest0-21swapper/010:04:590
2529999121,6cyclictest0-21swapper/009:05:010
2529999121,6cyclictest0-21swapper/007:35:010
2529999120,3cyclictest8908-21runrttasks12:25:080
2529999120,2cyclictest0-21swapper/011:15:180
2529999120,2cyclictest0-21swapper/011:09:400
2529999120,11cyclictest0-21swapper/012:07:140
2529999120,11cyclictest0-21swapper/010:30:190
2529999120,11cyclictest0-21swapper/009:51:020
2529999120,11cyclictest0-21swapper/007:45:170
2529999120,10cyclictest0-21swapper/009:47:200
53722110,1sleep00-21swapper/012:20:470
2530599118,2cyclictest0-21swapper/308:00:143
2530599118,2cyclictest0-21swapper/307:20:073
2530599112,6cyclictest0-21swapper/308:52:593
2530599112,6cyclictest0-21swapper/307:36:593
2530599111,6cyclictest0-21swapper/308:56:023
2530599111,6cyclictest0-21swapper/308:56:013
2530599110,10cyclictest0-21swapper/307:53:503
2530499111,8cyclictest0-21swapper/208:30:012
2530499111,6cyclictest0-21swapper/208:50:122
2530499111,5cyclictest0-21swapper/207:55:012
2530299118,2cyclictest0-21swapper/108:46:021
2530299111,3cyclictest0-21swapper/107:35:491
2530299110,10cyclictest0-21swapper/107:13:321
2529999118,2cyclictest0-21swapper/011:46:150
2529999118,2cyclictest0-21swapper/010:26:010
2529999118,2cyclictest0-21swapper/008:00:200
2529999116,3cyclictest17350-21ssh09:17:070
2529999112,6cyclictest0-21swapper/007:43:590
2529999110,2cyclictest0-21swapper/011:36:170
2530599107,2cyclictest0-21swapper/307:10:073
2530499107,2cyclictest0-21swapper/207:43:112
2530499102,6cyclictest0-21swapper/207:18:362
2529999107,2cyclictest0-21swapper/007:50:170
2529999105,3cyclictest30341-21tune2fs08:40:150
2529999105,3cyclictest17499-21grep10:55:170
2529999102,7cyclictest0-21swapper/008:27:580
2529999101,7cyclictest0-21swapper/008:38:580
2529999100,9cyclictest0-21swapper/011:40:180
4548290,2sleep20-21swapper/208:55:242
4548290,2sleep20-21swapper/208:55:232
253059994,3cyclictest28695-21open_files08:35:193
253059990,6cyclictest28700-21sensors_fan07:16:023
252999994,3cyclictest3728-21runrttasks08:57:050
252999994,3cyclictest3728-21runrttasks08:57:040
252999994,3cyclictest2292-21open_files08:50:190
252999994,3cyclictest18037-21df08:10:130
252999994,3cyclictest17505-21latency_hist08:10:010
252999994,3cyclictest0-21swapper/008:30:180
253059984,2cyclictest0-21swapper/309:00:163
253059983,3cyclictest26068-21grep08:30:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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