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2026-08-26 - 19:43

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 Wed Aug 26, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29735210897,6sleep10-21swapper/107:07:331
29199210897,6sleep20-21swapper/207:05:492
29710210796,6sleep30-21swapper/307:07:153
29666210578,22sleep00-21swapper/007:06:400
125122800,0sleep00-21swapper/007:45:130
60132790,1sleep20-21swapper/209:34:582
247402680,0sleep10-21swapper/109:53:531
195162610,1sleep229-21rcuc/208:01:022
29953992724,2cyclictest7302-21kworker/u8:210:42:041
29953992724,2cyclictest20313-21kworker/u8:011:38:041
29953992522,2cyclictest9782-21kworker/u8:209:29:041
29953992522,2cyclictest7302-21kworker/u8:211:09:041
29953992522,2cyclictest5837-21kworker/u8:010:16:041
29953992522,2cyclictest2985-21kworker/u8:212:19:041
29953992522,2cyclictest25864-21kworker/u8:111:47:041
29953992522,2cyclictest14675-21kworker/u8:010:54:041
2995399250,18cyclictest0-21swapper/110:38:041
29952992522,2cyclictest25864-21kworker/u8:111:45:040
29953992421,2cyclictest8270-21kworker/u8:012:26:051
29953992421,2cyclictest30888-21kworker/u8:212:01:041
29953992421,2cyclictest30162-21kworker/u8:207:37:041
29953992421,2cyclictest23246-21kworker/u8:210:02:011
29953992421,2cyclictest23246-21kworker/u8:209:57:041
29953992421,2cyclictest21805-21kworker/u8:109:01:041
29953992421,2cyclictest17746-21kworker/u8:210:32:041
29953992421,2cyclictest17746-21kworker/u8:210:21:041
29952992421,2cyclictest11102-21kworker/u8:110:49:040
2995599231,20cyclictest0-21swapper/310:45:143
29953992320,2cyclictest9782-21kworker/u8:209:06:051
29953992320,2cyclictest20313-21kworker/u8:011:40:041
29952992320,2cyclictest5837-21kworker/u8:010:19:050
29952992320,2cyclictest11102-21kworker/u8:110:43:040
29953992219,2cyclictest9782-21kworker/u8:209:10:041
29953992219,2cyclictest6250-21kworker/u8:008:55:041
29953992219,2cyclictest2985-21kworker/u8:212:23:041
29953992219,2cyclictest29033-21kworker/u8:110:05:041
29953992219,2cyclictest21805-21kworker/u8:108:52:041
29953992219,2cyclictest20313-21kworker/u8:011:34:011
29953992219,2cyclictest19340-21kworker/u8:008:02:041
2995399221,19cyclictest0-21swapper/109:40:111
2995399220,17cyclictest0-21swapper/108:27:041
2995299222,3cyclictest0-21swapper/011:39:040
29952992219,2cyclictest30888-21kworker/u8:211:56:040
29952992219,2cyclictest24322-21kworker/u8:111:27:040
29952992219,2cyclictest20016-21kworker/u8:112:04:040
29955992116,3cyclictest11240-21ssh09:40:113
2995499211,2cyclictest0-21swapper/208:05:112
2995499210,19cyclictest0-21swapper/212:25:102
29953992118,2cyclictest8270-21kworker/u8:012:06:041
29953992118,2cyclictest32385-21kworker/u8:208:48:041
29953992118,2cyclictest2985-21kworker/u8:212:30:041
29953992118,2cyclictest2985-21kworker/u8:212:30:041
29953992118,2cyclictest24397-21kworker/u8:208:17:051
29953992118,2cyclictest21805-21kworker/u8:108:31:041
29953992118,2cyclictest19340-21kworker/u8:008:10:011
29953992118,2cyclictest15242-21kworker/u8:207:52:021
2995399210,18cyclictest0-21swapper/109:31:041
29952992118,2cyclictest9782-21kworker/u8:209:21:040
29952992118,2cyclictest21842-21kworker/u8:007:23:040
29952992118,2cyclictest21805-21kworker/u8:109:12:040
29952992118,2cyclictest17615-21kworker/u8:109:50:050
2995299210,19cyclictest0-21swapper/012:25:100
2995299210,19cyclictest0-21swapper/011:10:110
2995499200,2cyclictest0-21swapper/212:05:112
2995499200,2cyclictest0-21swapper/210:55:112
29953992017,2cyclictest9936-21kworker/u8:107:58:041
29953992017,2cyclictest9936-21kworker/u8:107:42:041
29953992017,2cyclictest21842-21kworker/u8:007:16:041
2995399200,18cyclictest13991-21diskmemload10:45:141
2995399200,18cyclictest0-21swapper/112:10:041
2995399200,18cyclictest0-21swapper/109:23:041
29952992017,2cyclictest9782-21kworker/u8:209:28:040
29952992017,2cyclictest32450-21kworker/u8:010:37:040
29952992017,2cyclictest14648-21kworker/u8:112:33:040
29952992017,2cyclictest14648-21kworker/u8:112:33:040
29952992017,2cyclictest11102-21kworker/u8:110:28:050
2995299200,2cyclictest0-21swapper/010:10:110
2995299200,15cyclictest0-21swapper/011:34:050
29953991916,2cyclictest21842-21kworker/u8:007:11:041
29953991916,2cyclictest21805-21kworker/u8:108:36:041
2995399190,2cyclictest13991-21diskmemload10:27:041
2995399190,2cyclictest0-21swapper/111:53:041
2995399190,2cyclictest0-21swapper/111:25:041
2995399190,2cyclictest0-21swapper/111:21:041
2995399190,2cyclictest0-21swapper/111:00:051
2995399190,2cyclictest0-21swapper/110:12:011
2995399190,2cyclictest0-21swapper/109:15:041
2995399190,2cyclictest0-21swapper/109:15:041
29952991916,2cyclictest19340-21kworker/u8:008:15:040
29952991916,2cyclictest1267-21kworker/u8:109:34:050
2995299190,2cyclictest0-21swapper/012:05:110
29953991815,2cyclictest24322-21kworker/u8:111:14:041
2995399180,2cyclictest0-21swapper/112:39:041
2995399180,2cyclictest0-21swapper/112:39:041
2995399180,2cyclictest0-21swapper/111:16:041
2995399180,2cyclictest0-21swapper/109:45:041
29952991815,2cyclictest9936-21kworker/u8:107:56:040
29952991815,2cyclictest8270-21kworker/u8:011:52:040
29952991815,2cyclictest24322-21kworker/u8:111:23:040
29952991815,2cyclictest14675-21kworker/u8:010:55:040
2995299181,15cyclictest0-21swapper/008:51:020
2995299180,2cyclictest0-21swapper/011:01:040
2995299180,2cyclictest0-21swapper/010:02:050
2995299180,2cyclictest0-21swapper/009:17:040
2995299180,2cyclictest0-21swapper/009:17:040
2995299180,13cyclictest0-21swapper/007:26:040
29953991714,2cyclictest30162-21kworker/u8:207:32:041
29953991714,2cyclictest21805-21kworker/u8:108:40:051
2995399170,2cyclictest0-21swapper/109:35:041
2995399170,2cyclictest0-21swapper/107:46:041
2995399170,10cyclictest0-21swapper/110:56:041
29952991714,2cyclictest32385-21kworker/u8:208:46:040
29952991714,2cyclictest2985-21kworker/u8:212:22:040
29952991714,2cyclictest25043-21kworker/u8:212:12:040
29952991714,2cyclictest24397-21kworker/u8:208:25:040
29952991714,2cyclictest19340-21kworker/u8:008:04:040
29952991714,2cyclictest17260-21kworker/u8:009:42:040
2995299170,2cyclictest0-21swapper/010:07:040
2995299170,15cyclictest0-21swapper/007:15:120
2995599160,14cyclictest0-21swapper/310:16:013
2995499160,14cyclictest0-21swapper/211:15:142
29953991613,2cyclictest24397-21kworker/u8:208:20:041
2995399160,2cyclictest0-21swapper/107:21:041
29952991613,2cyclictest6094-21kworker/u8:007:44:040
29952991613,2cyclictest2985-21kworker/u8:212:35:040
29952991613,2cyclictest2985-21kworker/u8:212:35:040
29952991613,2cyclictest2985-21kworker/u8:212:18:010
29952991613,2cyclictest23246-21kworker/u8:209:58:010
29952991613,2cyclictest19340-21kworker/u8:008:05:040
2995299160,2cyclictest0-21swapper/011:06:040
2995299160,2cyclictest0-21swapper/009:36:010
2995599150,13cyclictest0-21swapper/311:50:163
29954991510,3cyclictest27669-21apt-get12:10:122
2995499150,13cyclictest0-21swapper/210:42:142
29952991512,2cyclictest9936-21kworker/u8:107:50:040
29952991512,2cyclictest6250-21kworker/u8:008:57:040
29952991512,2cyclictest30162-21kworker/u8:207:33:040
29952991512,2cyclictest0-21swapper/011:44:420
2995599149,3cyclictest22048-21ps11:30:173
2995599141,2cyclictest5448-21ssh11:46:163
29955991411,2cyclictest30162-21copy08:30:013
29955991411,2cyclictest13991-21diskmemload09:21:313
2995599140,2cyclictest0-21swapper/312:30:423
2995599140,2cyclictest0-21swapper/312:30:423
2995599140,2cyclictest0-21swapper/312:05:123
2995599140,2cyclictest0-21swapper/310:21:013
2995599140,2cyclictest0-21swapper/307:45:113
2995599140,12cyclictest0-21swapper/311:35:143
2995599140,12cyclictest0-21swapper/310:50:213
2995599140,12cyclictest0-21swapper/310:05:103
2995599140,12cyclictest0-21swapper/309:38:413
2995499149,3cyclictest32171-21ssh11:07:492
2995499141,2cyclictest31393-21ssh11:40:152
29954991411,2cyclictest0-21swapper/212:35:152
29954991411,2cyclictest0-21swapper/212:35:152
2995499140,3cyclictest13991-21diskmemload10:53:392
2995499140,2cyclictest13991-21diskmemload10:24:522
2995499140,13cyclictest0-21swapper/212:22:542
2995499140,13cyclictest0-21swapper/212:19:342
2995499140,13cyclictest0-21swapper/211:33:242
2995499140,12cyclictest14190-21ssh10:49:562
2995299149,3cyclictest0-21swapper/010:50:120
29952991411,2cyclictest21842-21kworker/u8:007:13:040
2995299140,2cyclictest0-21swapper/010:23:040
15002140,2sleep20-21swapper/207:20:002
2995599132,6cyclictest0-21swapper/308:10:003
29955991310,2cyclictest0-21swapper/312:20:013
29955991310,2cyclictest0-21swapper/312:00:523
29955991310,2cyclictest0-21swapper/311:06:213
29955991310,2cyclictest0-21swapper/310:31:413
29955991310,2cyclictest0-21swapper/309:55:163
29955991310,2cyclictest0-21swapper/308:55:193
2995599130,2cyclictest0-21swapper/311:03:123
2995599130,2cyclictest0-21swapper/307:40:123
2995599130,2cyclictest0-21swapper/307:23:213
2995599130,12cyclictest6181-21copy11:15:003
2995599130,12cyclictest0-21swapper/311:12:523
2995599130,12cyclictest0-21swapper/308:40:123
2995599130,12cyclictest0-21swapper/308:25:123
2995599130,12cyclictest0-21swapper/307:51:013
2995599130,11cyclictest0-21swapper/312:28:463
2995599130,11cyclictest0-21swapper/312:15:213
2995599130,11cyclictest0-21swapper/307:37:203
2995599130,11cyclictest0-21swapper/307:25:143
2995499138,3cyclictest11691-21fschecks_count09:40:142
2995499132,7cyclictest0-21swapper/208:35:002
2995499132,6cyclictest0-21swapper/210:10:002
2995499131,2cyclictest4471-21ssh11:12:272
29954991310,2cyclictest2970-21ssh10:37:452
29954991310,2cyclictest0-21swapper/210:34:042
2995499130,2cyclictest0-21swapper/211:03:242
2995499130,12cyclictest0-21swapper/212:32:252
2995499130,12cyclictest0-21swapper/212:32:252
2995499130,12cyclictest0-21swapper/211:47:142
2995499130,12cyclictest0-21swapper/211:27:342
2995499130,12cyclictest0-21swapper/207:10:122
2995499130,11cyclictest14581-21ssh11:22:582
2995299130,12cyclictest0-21swapper/009:45:020
219692130,5sleep3381ktimersoftd/309:50:183
2995599129,2cyclictest0-21swapper/311:25:163
2995599129,2cyclictest0-21swapper/311:20:193
2995599129,2cyclictest0-21swapper/310:26:413
2995599129,2cyclictest0-21swapper/309:30:153
2995599129,2cyclictest0-21swapper/308:50:123
2995599129,2cyclictest0-21swapper/308:10:163
2995599129,2cyclictest0-21swapper/307:31:013
2995599127,3cyclictest13065-21ntp_kernel_pll_09:05:173
2995599122,6cyclictest0-21swapper/308:25:003
2995599120,2cyclictest13991-21diskmemload09:47:093
2995599120,2cyclictest0-21swapper/311:55:143
2995599120,2cyclictest0-21swapper/308:00:143
2995599120,11cyclictest0-21swapper/312:35:253
2995599120,11cyclictest0-21swapper/312:35:253
2995599120,11cyclictest0-21swapper/312:12:363
2995599120,11cyclictest0-21swapper/311:40:163
2995599120,11cyclictest0-21swapper/310:57:353
2995599120,11cyclictest0-21swapper/310:41:013
2995599120,11cyclictest0-21swapper/309:27:283
2995599120,11cyclictest0-21swapper/309:15:403
2995599120,11cyclictest0-21swapper/309:15:393
2995599120,11cyclictest0-21swapper/309:11:013
2995499129,2cyclictest0-21swapper/212:02:002
2995499129,2cyclictest0-21swapper/211:55:262
2995499129,2cyclictest0-21swapper/208:21:032
2995499128,2cyclictest13991-21diskmemload09:14:172
2995499124,5cyclictest0-21swapper/210:02:592
2995499122,7cyclictest0-21swapper/207:43:582
2995499120,2cyclictest0-21swapper/211:52:382
2995499120,2cyclictest0-21swapper/211:35:012
2995499120,10cyclictest0-21swapper/208:45:162
2995399129,2cyclictest0-21swapper/111:55:171
2995399120,11cyclictest0-21swapper/108:05:171
2995299129,2cyclictest0-21swapper/010:30:130
2995299129,2cyclictest0-21swapper/008:30:020
2995299120,2cyclictest0-21swapper/011:18:380
2995299120,2cyclictest0-21swapper/009:05:040
2995299120,2cyclictest0-21swapper/008:35:200
2995299120,11cyclictest0-21swapper/008:11:040
19562120,2sleep33649-21snmpd10:03:463
2995599112,5cyclictest0-21swapper/307:15:003
2995599110,2cyclictest0-21swapper/310:37:293
2995599110,1cyclictest0-21swapper/310:10:323
2995499118,2cyclictest0-21swapper/207:20:172
2995499116,3cyclictest2849-21rs:main2
2995499112,7cyclictest0-21swapper/209:03:592
2995499112,5cyclictest0-21swapper/208:45:002
2995499111,7cyclictest0-21swapper/208:56:592
2995499111,6cyclictest0-21swapper/209:21:012
2995499111,6cyclictest0-21swapper/207:46:012
2995499111,6cyclictest0-21swapper/207:38:152
2995299118,2cyclictest0-21swapper/009:00:150
160652110,1sleep20-21swapper/209:45:092
2995599107,2cyclictest0-21swapper/307:15:283
2995599100,2cyclictest0-21swapper/309:03:573
2995599100,2cyclictest0-21swapper/307:55:083
2995499105,3cyclictest3187-21ntpd10:05:122
2995499105,3cyclictest274-21jbd2/sda1-807:50:042
2995499101,6cyclictest26434-21ssh10:28:522
2995499100,8cyclictest23119-21rm09:19:052
2995499100,8cyclictest23119-21rm09:19:052
2995499100,7cyclictest0-21swapper/207:33:582
2995399105,3cyclictest4645-21latency07:25:161
2995299107,2cyclictest0-21swapper/008:20:130
2995299101,8cyclictest8011-21apt-get07:35:100
2995299100,2cyclictest0-21swapper/008:44:590
299559994,3cyclictest4067-21tail08:45:103
299559994,3cyclictest32695-21tr08:35:143
299559994,3cyclictest25079-21missed_timers08:15:173
299549995,3cyclictest3443-21NetworkManager09:55:052
299549995,2cyclictest13991-21diskmemload09:36:352
299549994,3cyclictest7368-21cat08:51:032
299549994,3cyclictest5726-21invoke-rc.d07:30:002
299549994,3cyclictest32520-21telnet08:35:142
299549994,3cyclictest30405-21taskset09:25:532
299549994,3cyclictest16279-21aten2.4-expect07:55:112
299549994,3cyclictest12749-21fschecks_time09:05:142
299549994,3cyclictest0-21swapper/208:10:162
299549990,8cyclictest0-21swapper/210:15:072
299549983,3cyclictest27974-21sendmail-mta08:25:082
299549983,3cyclictest24767-21fschecks_count08:15:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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