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2026-08-05 - 20:04

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 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21261210897,6sleep30-21swapper/307:09:303
21183210887,16sleep00-21swapper/007:08:270
21113210587,13sleep20-21swapper/207:07:322
21071210493,6sleep10-21swapper/107:06:591
292542810,1sleep30-21swapper/312:00:153
143202800,1sleep30-21swapper/309:25:113
47082750,0sleep10-21swapper/110:28:501
237412530,1sleep30-21swapper/309:38:593
21326993717,18cyclictest0-21swapper/009:50:090
21326993415,18cyclictest0-21swapper/012:10:110
21328992320,2cyclictest3783-21kworker/u8:112:10:042
21328992320,2cyclictest27300-21kworker/u8:010:56:042
2132999221,19cyclictest748-21ssh10:25:123
2132899223,2cyclictest0-21swapper/210:07:042
2132899222,2cyclictest0-21swapper/212:18:042
21328992219,2cyclictest8679-21kworker/u8:210:02:052
21328992219,2cyclictest31917-21kworker/u8:011:40:052
21328992219,2cyclictest24784-21kworker/u8:111:26:042
21328992219,2cyclictest22951-21kworker/u8:107:27:052
21328992118,2cyclictest8679-21kworker/u8:210:22:012
21328992118,2cyclictest8421-21kworker/u8:312:08:052
21328992118,2cyclictest20075-21kworker/u8:010:30:052
21328992118,2cyclictest15540-21kworker/u8:209:35:052
21328992118,2cyclictest11391-21kworker/u8:009:22:052
2132999200,2cyclictest0-21swapper/310:05:123
21328992017,2cyclictest883-21kworker/u8:110:40:042
21328992017,2cyclictest32466-21kworker/u8:211:23:042
21328992017,2cyclictest31917-21kworker/u8:011:51:042
21328992017,2cyclictest31329-21kworker/u8:008:34:042
21328992017,2cyclictest30352-21kworker/u8:109:27:042
21328992017,2cyclictest27300-21kworker/u8:011:00:042
21328992017,2cyclictest24560-21kworker/u8:207:39:042
21328992017,2cyclictest22951-21kworker/u8:107:32:042
21328992017,2cyclictest14488-21kworker/u8:212:37:042
21328992017,2cyclictest14488-21kworker/u8:212:37:042
21328992017,2cyclictest12537-21kworker/u8:011:16:052
2132899200,2cyclictest0-21swapper/211:08:052
2132799200,2cyclictest0-21swapper/110:05:121
2132699200,2cyclictest0-21swapper/011:50:100
21328991916,2cyclictest9869-21kworker/u8:207:11:042
21328991916,2cyclictest3792-21kworker/u8:007:54:022
21328991916,2cyclictest3304-21kworker/u8:209:18:052
21328991916,2cyclictest30352-21kworker/u8:108:43:042
21328991916,2cyclictest29493-21kworker/u8:208:20:042
21328991916,2cyclictest24784-21kworker/u8:111:35:042
21328991916,2cyclictest22951-21kworker/u8:107:23:042
21328991916,2cyclictest2131-21kworker/u8:009:07:042
21328991916,2cyclictest2131-21kworker/u8:009:07:042
21328991916,2cyclictest14488-21kworker/u8:212:23:042
21328991916,2cyclictest14488-21kworker/u8:212:23:042
21328991916,2cyclictest13737-21kworker/u8:110:10:012
2132899190,2cyclictest0-21swapper/210:26:052
2132899190,18cyclictest0-21swapper/210:19:042
21327991914,3cyclictest3304-21kworker/u8:209:14:041
2132699190,14cyclictest0-21swapper/011:07:050
20052190,0sleep00-21swapper/011:31:510
21328991815,2cyclictest9869-21kworker/u8:207:15:042
21328991815,2cyclictest666-21kworker/u8:208:54:052
21328991815,2cyclictest3792-21kworker/u8:008:09:042
21328991815,2cyclictest29493-21kworker/u8:208:28:062
21328991815,2cyclictest24560-21kworker/u8:207:47:042
21328991815,2cyclictest2131-21kworker/u8:009:01:042
2132899180,2cyclictest0-21swapper/211:49:042
2132899180,17cyclictest0-21swapper/211:10:042
21327991814,2cyclictest30352-21kworker/u8:109:30:051
2132699180,13cyclictest0-21swapper/008:41:050
21328991714,2cyclictest666-21kworker/u8:208:55:042
21328991714,2cyclictest30352-21kworker/u8:108:38:042
2132699170,16cyclictest0-21swapper/010:39:040
2132699170,11cyclictest0-21swapper/008:15:010
2132699170,10cyclictest0-21swapper/008:30:580
2132999161,2cyclictest13750-21ssh10:37:463
2132999160,12cyclictest0-21swapper/310:35:003
21328991613,2cyclictest24560-21kworker/u8:207:43:042
2132899160,15cyclictest0-21swapper/208:11:042
2132799161,13cyclictest32181-21grep09:50:101
2132999150,14cyclictest0-21swapper/311:45:163
2132999150,13cyclictest0-21swapper/311:23:563
2132899150,2cyclictest0-21swapper/212:29:042
2132899150,2cyclictest0-21swapper/210:38:042
2132899150,2cyclictest0-21swapper/208:46:042
2132799150,13cyclictest0-21swapper/112:31:301
2132799150,13cyclictest0-21swapper/112:31:301
2132699150,13cyclictest0-21swapper/011:35:410
133482150,0sleep30-21swapper/309:24:033
21329991411,2cyclictest0-21swapper/312:19:573
2132999140,3cyclictest30298-21users10:21:043
2132999140,3cyclictest29127-21sendmail-mta08:13:403
2132999140,13cyclictest0-21swapper/311:15:163
2132999140,12cyclictest3460-21diskmemload10:58:063
2132999140,12cyclictest3460-21diskmemload09:43:093
2132999140,12cyclictest12728-21ssh10:04:003
2132999140,12cyclictest0-21swapper/311:55:263
2132999140,12cyclictest0-21swapper/311:12:263
2132899141,5cyclictest0-21swapper/209:48:202
21328991410,2cyclictest0-21swapper/209:34:022
2132899140,2cyclictest0-21swapper/208:00:012
2132899140,12cyclictest0-21swapper/210:45:112
2132799149,3cyclictest14234-21sh11:45:081
2132799149,3cyclictest0-21swapper/111:52:301
21327991411,2cyclictest207150irq/24-eth112:03:591
2132799140,12cyclictest20708-21ssh11:18:111
2132799140,12cyclictest0-21swapper/111:40:111
2132699141,2cyclictest0-21swapper/012:29:570
2132699141,11cyclictest17452-21ssh11:47:490
2132699140,2cyclictest0-21swapper/010:28:280
2132699140,13cyclictest0-21swapper/011:13:310
2132699140,12cyclictest0-21swapper/010:15:200
2132699140,12cyclictest0-21swapper/010:03:100
96172130,2sleep10-21swapper/110:33:561
2132999131,6cyclictest0-21swapper/309:10:003
2132999131,6cyclictest0-21swapper/309:10:003
21329991310,2cyclictest3460-21diskmemload11:00:143
21329991310,2cyclictest0-21swapper/312:31:153
21329991310,2cyclictest0-21swapper/312:31:143
21329991310,2cyclictest0-21swapper/312:20:403
21329991310,2cyclictest0-21swapper/312:20:403
21329991310,2cyclictest0-21swapper/311:42:463
21329991310,2cyclictest0-21swapper/310:12:023
21329991310,2cyclictest0-21swapper/309:50:203
2132999130,2cyclictest0-21swapper/310:53:053
2132999130,2cyclictest0-21swapper/310:40:263
2132999130,2cyclictest0-21swapper/309:59:073
2132999130,2cyclictest0-21swapper/309:30:053
2132999130,12cyclictest0-21swapper/312:12:493
2132999130,12cyclictest0-21swapper/311:06:363
2132999130,12cyclictest0-21swapper/309:49:363
2132999130,12cyclictest0-21swapper/309:11:573
2132999130,11cyclictest0-21swapper/311:30:123
2132999130,11cyclictest0-21swapper/310:47:043
2132899138,3cyclictest4132-21sort11:35:002
21328991310,2cyclictest0-21swapper/212:02:332
21328991310,2cyclictest0-21swapper/211:56:052
2132899130,2cyclictest0-21swapper/209:53:252
2132799132,6cyclictest0-21swapper/110:15:001
2132799132,6cyclictest0-21swapper/108:50:001
2132799132,6cyclictest0-21swapper/108:10:001
21327991310,2cyclictest29493-21kworker/u8:208:30:041
21327991310,2cyclictest0-21swapper/111:13:501
21327991310,2cyclictest0-21swapper/110:53:081
2132699134,4cyclictest0-21swapper/008:49:040
2132699133,6cyclictest0-21swapper/007:47:550
21326991310,2cyclictest28307-21ssh09:45:200
21326991310,2cyclictest0-21swapper/012:04:210
21326991310,2cyclictest0-21swapper/011:57:520
21326991310,2cyclictest0-21swapper/010:33:100
2132699130,2cyclictest0-21swapper/012:36:010
2132699130,2cyclictest0-21swapper/012:36:010
2132699130,2cyclictest0-21swapper/009:33:500
2132699130,12cyclictest0-21swapper/010:56:110
2132699130,12cyclictest0-21swapper/010:54:510
2132699130,11cyclictest4587-21ssh12:07:380
177252130,1sleep00-21swapper/010:09:170
47862120,2sleep00-21swapper/011:01:090
2132999129,2cyclictest0-21swapper/312:36:443
2132999129,2cyclictest0-21swapper/312:36:443
2132999129,2cyclictest0-21swapper/312:25:353
2132999129,2cyclictest0-21swapper/311:50:093
2132999127,3cyclictest27566-21sed08:00:003
2132999127,3cyclictest0-21swapper/308:53:133
2132999122,7cyclictest0-21swapper/311:27:593
2132999120,2cyclictest0-21swapper/311:35:303
2132999120,11cyclictest32334-21copy08:40:023
2132999120,11cyclictest24195-21ssh10:15:173
2132999120,11cyclictest0-21swapper/312:05:393
2132999120,10cyclictest0-21swapper/309:15:273
2132899129,2cyclictest4919-21ssh09:11:462
2132899120,2cyclictest0-21swapper/210:50:372
2132899120,11cyclictest0-21swapper/212:32:562
2132899120,11cyclictest0-21swapper/212:32:562
2132899120,11cyclictest0-21swapper/209:55:012
2132799129,2cyclictest0-21swapper/112:38:551
2132799129,2cyclictest0-21swapper/112:38:551
2132799129,2cyclictest0-21swapper/112:21:391
2132799129,2cyclictest0-21swapper/112:21:391
2132799129,2cyclictest0-21swapper/111:22:401
2132799128,2cyclictest0-21swapper/112:05:121
2132799127,3cyclictest567-21cat08:45:011
2132799126,5cyclictest207150irq/24-eth109:26:051
2132799122,7cyclictest0-21swapper/109:09:591
2132799122,7cyclictest0-21swapper/109:09:581
2132799122,7cyclictest0-21swapper/107:46:581
2132799122,7cyclictest0-21swapper/107:42:011
2132799122,2cyclictest0-21swapper/110:35:131
2132799121,9cyclictest4820-21grep09:55:151
2132799120,2cyclictest3649-21snmpd09:43:191
2132799120,2cyclictest0-21swapper/111:08:501
2132799120,2cyclictest0-21swapper/110:00:401
2132799120,1cyclictest0-21swapper/112:13:291
2132799120,11cyclictest0-21swapper/110:45:201
2132799120,11cyclictest0-21swapper/109:20:501
2132799120,10cyclictest24044-21sh09:39:261
2132699129,2cyclictest20075-21kworker/u8:010:11:040
2132699129,2cyclictest0-21swapper/012:20:170
2132699129,2cyclictest0-21swapper/012:20:160
2132699129,2cyclictest0-21swapper/011:40:090
2132699129,2cyclictest0-21swapper/011:25:180
2132699129,2cyclictest0-21swapper/009:35:200
2132699129,2cyclictest0-21swapper/009:10:070
2132699127,3cyclictest3460-21diskmemload10:25:000
2132699122,8cyclictest4556-21metacity08:50:580
2132699122,7cyclictest0-21swapper/007:20:580
2132699120,9cyclictest0-21swapper/008:38:580
2132699120,5cyclictest0-21swapper/008:06:590
2132699120,2cyclictest0-21swapper/012:30:050
2132699120,2cyclictest0-21swapper/012:30:050
2132699120,2cyclictest0-21swapper/009:58:270
2132699120,2cyclictest0-21swapper/009:41:160
2132699120,11cyclictest0-21swapper/012:15:130
2132699120,11cyclictest0-21swapper/011:20:150
2132699120,11cyclictest0-21swapper/011:16:480
2132699120,11cyclictest0-21swapper/010:46:170
2132699120,10cyclictest3792-21kworker/u8:007:53:040
161082120,1sleep00-21swapper/009:27:580
142072120,2sleep10-21swapper/112:17:301
2132999118,2cyclictest0-21swapper/308:23:423
2132999111,5cyclictest31105-21copy08:30:013
2132999111,5cyclictest0-21swapper/307:20:003
2132999110,10cyclictest0-21swapper/307:23:163
2132899116,3cyclictest3649-21snmpd08:18:022
2132899111,5cyclictest0-21swapper/208:00:002
2132899110,10cyclictest0-21swapper/209:44:252
2132799118,2cyclictest0-21swapper/111:04:201
2132799117,2cyclictest0-21swapper/110:40:141
2132799116,3cyclictest32277-21sendmail08:40:001
2132799112,6cyclictest0-21swapper/111:35:001
2132799112,6cyclictest0-21swapper/107:53:591
2132799111,8cyclictest21714-21hddtemp_smartct12:25:161
2132799111,3cyclictest3460-21diskmemload11:26:021
2132799111,3cyclictest31612-21sendmail-mta10:23:241
2132799111,3cyclictest24493-21diskstats11:55:121
2132799110,9cyclictest28661-21apt-get08:10:041
2132799110,2cyclictest0-21swapper/109:46:181
2132799110,10cyclictest22951-21kworker/u8:107:34:051
2132799110,10cyclictest0-21swapper/111:32:281
2132699118,2cyclictest0-21swapper/007:43:480
2132699113,2cyclictest0-21swapper/008:58:040
2132699112,7cyclictest0-21swapper/007:10:580
2132699112,6cyclictest4556-21metacity07:33:580
2132699111,5cyclictest0-21swapper/008:20:580
2132699110,8cyclictest0-21swapper/007:55:580
2132699110,2cyclictest16286-21uname10:40:180
218152100,2sleep10-21swapper/107:13:481
2132999107,2cyclictest0-21swapper/308:30:083
2132999107,2cyclictest0-21swapper/308:03:293
2132999100,2cyclictest0-21swapper/307:53:213
2132799104,5cyclictest274-21jbd2/sda1-808:23:321
2132799102,7cyclictest0-21swapper/108:27:581
2132799101,7cyclictest0-21swapper/108:48:071
2132799101,7cyclictest0-21swapper/107:15:581
2132799101,3cyclictest0-21swapper/110:55:461
2132799100,9cyclictest29493-21kworker/u8:208:17:051
2132799100,9cyclictest0-21swapper/109:15:191
2132799100,8cyclictest0-21swapper/110:15:121
2132699107,2cyclictest0-21swapper/009:23:140
2132699102,7cyclictest0-21swapper/009:05:020
2132699102,7cyclictest0-21swapper/009:05:010
2132699101,7cyclictest0-21swapper/007:38:580
2132699100,9cyclictest9869-21kworker/u8:207:17:050
213299994,3cyclictest32472-21grep08:40:003
213299994,3cyclictest2669-21sshd09:02:593
213299994,3cyclictest23325-21taskset07:25:113
213299994,3cyclictest1872-21taskset08:55:343
213299990,8cyclictest0-21swapper/307:35:273
213279996,2cyclictest24560-21kworker/u8:207:37:041
213279996,2cyclictest0-21swapper/108:59:591
213279994,3cyclictest2941-21sort09:05:001
213279992,6cyclictest0-21swapper/108:02:011
213279991,6cyclictest0-21swapper/107:57:571
213269994,4cyclictest0-21swapper/008:02:040
213269991,6cyclictest0-21swapper/009:01:580
213269990,6cyclictest0-21swapper/007:26:580
213269990,2cyclictest0-21swapper/009:18:160
213269990,2cyclictest0-21swapper/008:10:060
29814280,1sleep30-21swapper/308:19:213
213299985,2cyclictest0-21swapper/307:45:073
213299983,3cyclictest6812chrt08:45:203
213299983,3cyclictest3728-21runrttasks07:11:463
213299983,3cyclictest283842sleep308:06:273
213299983,3cyclictest25369-21taskset07:42:483
213299983,3cyclictest24116-21chrt07:32:323
213279983,3cyclictest233782sleep107:25:551
213279983,3cyclictest229142sleep107:22:331
213269980,2cyclictest0-21swapper/008:25:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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