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2026-08-31 - 01:49

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 Mon Aug 31, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11369211895,18sleep00-21swapper/019:07:280
9789211389,17sleep20-21swapper/219:05:132
10264211287,18sleep10-21swapper/119:05:171
2119321110,1sleep221191-21turbostat22:10:012
10816210897,6sleep30-21swapper/319:05:383
254022790,1sleep30-21swapper/321:40:163
263182730,1sleep20-21swapper/222:15:052
46632700,0sleep30-21swapper/322:59:443
226372690,0sleep20-21swapper/223:51:052
257672300,1sleep20-21swapper/221:40:192
11591992825,2cyclictest26361-21kworker/u8:222:27:040
11592992724,2cyclictest30876-21kworker/u8:100:38:051
11592992724,2cyclictest1145-21kworker/u8:122:38:041
11591992724,2cyclictest16744-21kworker/u8:022:12:050
144502260,0sleep30-21swapper/323:43:123
1159499266,18cyclictest0-21swapper/321:35:123
11592992623,2cyclictest27664-21kworker/u8:021:29:041
11592992623,2cyclictest16744-21kworker/u8:022:09:041
1159299262,12cyclictest0-21swapper/100:27:051
1159299262,12cyclictest0-21swapper/100:27:041
11591992623,2cyclictest9976-21kworker/u8:121:58:050
11591992623,2cyclictest9914-21kworker/u8:019:38:040
11591992623,2cyclictest25734-21kworker/u8:000:36:040
11592992522,2cyclictest2582-21kworker/u8:100:07:041
11592992522,2cyclictest19567-21kworker/u8:021:38:041
11591992522,2cyclictest8735-21kworker/u8:223:38:050
11591992522,2cyclictest5846-21kworker/u8:123:03:040
11591992522,2cyclictest20720-21kworker/u8:200:33:050
11591992521,2cyclictest166742sleep022:38:050
23762240,1sleep20-21swapper/220:05:182
11592992421,2cyclictest16744-21kworker/u8:022:13:041
11591992421,2cyclictest7541-21kworker/u8:121:26:010
11591992421,2cyclictest25529-21kworker/u8:121:08:050
11591992421,2cyclictest23928-21kworker/u8:119:53:040
259872230,1sleep30-21swapper/322:14:543
11592992320,2cyclictest27664-21kworker/u8:021:22:061
11592992320,2cyclictest18291-21kworker/u8:223:07:041
11592992320,2cyclictest1145-21kworker/u8:122:22:061
1159199234,2cyclictest0-21swapper/000:10:050
11591992320,2cyclictest26216-21kworker/u8:121:45:050
11591992320,2cyclictest16744-21kworker/u8:022:06:010
11591992320,2cyclictest15572-21kworker/u8:100:19:040
11591992320,2cyclictest1145-21kworker/u8:122:40:040
1159299223,2cyclictest0-21swapper/123:30:041
11592992219,2cyclictest8735-21kworker/u8:223:40:041
11592992219,2cyclictest5846-21kworker/u8:123:28:041
11592992219,2cyclictest5846-21kworker/u8:123:14:051
11592992219,2cyclictest26216-21kworker/u8:121:42:011
11592992219,2cyclictest24738-21kworker/u8:022:54:041
11592992219,2cyclictest22129-21kworker/u8:223:23:051
11592992219,2cyclictest16744-21kworker/u8:022:19:041
11592992219,2cyclictest13834-21kworker/u8:023:47:051
11592992219,2cyclictest1145-21kworker/u8:122:42:051
1159299220,17cyclictest0-21swapper/120:33:051
11591992219,2cyclictest7541-21kworker/u8:121:32:050
11591992219,2cyclictest3128-21kworker/u8:219:26:010
11591992219,2cyclictest14793-21kworker/u8:023:12:060
1159199220,18cyclictest0-21swapper/021:17:040
1159399211,2cyclictest0-21swapper/222:50:112
11592992118,2cyclictest9976-21kworker/u8:122:00:051
11592992118,2cyclictest7774-21kworker/u8:022:34:051
11592992118,2cyclictest25734-21kworker/u8:000:30:051
11592992118,2cyclictest19567-21kworker/u8:021:57:051
11592992118,2cyclictest19567-21kworker/u8:021:47:051
11592992118,2cyclictest17555-21kworker/u8:221:16:041
11591992118,2cyclictest23928-21kworker/u8:119:47:040
1159199211,18cyclictest0-21swapper/020:30:130
1159199210,18cyclictest0-21swapper/021:41:040
1159499201,17cyclictest0-21swapper/319:10:113
1159499200,18cyclictest0-21swapper/300:15:123
1159299202,2cyclictest0-21swapper/100:17:041
11592992017,2cyclictest5846-21kworker/u8:123:18:041
11592992017,2cyclictest3128-21kworker/u8:219:26:051
11592992017,2cyclictest27664-21kworker/u8:021:14:041
11592992017,2cyclictest24738-21kworker/u8:022:46:051
11591992017,2cyclictest9914-21kworker/u8:019:31:050
11591992017,2cyclictest7774-21kworker/u8:022:33:040
1159199200,2cyclictest0-21swapper/022:50:110
1159199200,18cyclictest0-21swapper/022:00:010
1159199200,15cyclictest0-21swapper/020:04:040
11594991915,2cyclictest0-21swapper/322:05:133
11592991916,2cyclictest5846-21kworker/u8:123:02:041
11592991916,2cyclictest3128-21kworker/u8:219:20:041
11592991916,2cyclictest26361-21kworker/u8:222:29:041
11592991916,2cyclictest25529-21kworker/u8:121:09:051
11592991916,2cyclictest23928-21kworker/u8:119:43:051
11592991916,2cyclictest20720-21kworker/u8:200:04:051
11592991916,2cyclictest15572-21kworker/u8:100:20:041
11592991916,2cyclictest13487-21kworker/u8:020:59:051
1159299190,4cyclictest0-21swapper/123:52:041
1159299190,2cyclictest0-21swapper/123:56:041
1159299190,2cyclictest0-21swapper/121:30:051
11591991916,2cyclictest2582-21kworker/u8:100:06:040
11591991916,2cyclictest18291-21kworker/u8:223:06:050
1159199190,2cyclictest27656-21diskmemload00:29:050
1159199190,2cyclictest27656-21diskmemload00:29:040
1159199190,2cyclictest0-21swapper/023:30:040
1159199190,2cyclictest0-21swapper/019:58:050
1159199190,2cyclictest0-21swapper/019:40:120
1159199190,18cyclictest0-21swapper/020:10:050
11592991815,2cyclictest3128-21kworker/u8:219:18:051
11592991815,2cyclictest29986-21kworker/u8:020:00:011
11592991815,2cyclictest29986-21kworker/u8:019:56:051
11592991815,2cyclictest23928-21kworker/u8:119:45:041
11592991815,2cyclictest17555-21kworker/u8:220:50:041
11592991815,2cyclictest1590-21kworker/u8:120:41:051
11592991815,2cyclictest13487-21kworker/u8:021:02:011
11592991815,2cyclictest13487-21kworker/u8:020:46:041
11591991815,2cyclictest19567-21kworker/u8:021:51:040
1159499171,3cyclictest10720-21sendmail-mta00:14:513
11592991714,2cyclictest23928-21kworker/u8:119:52:051
11592991714,2cyclictest1590-21kworker/u8:120:12:041
1159199172,11cyclictest8735-21kworker/u8:223:42:050
11591991714,2cyclictest24738-21kworker/u8:022:47:050
11591991714,2cyclictest18291-21kworker/u8:222:58:040
11591991714,2cyclictest17555-21kworker/u8:220:53:040
1159499161,4cyclictest24490-21ssh22:45:453
11594991611,3cyclictest3969-21head21:51:033
11594991611,3cyclictest32040-21diskmemload22:54:303
1159499161,13cyclictest10849-21hddtemp_smartct21:25:163
1159499160,14cyclictest6409-21ps21:20:203
1159399161,13cyclictest30834-21hddtemp_smartct00:00:152
1159399160,14cyclictest0-21swapper/221:10:132
1159299160,12cyclictest0-21swapper/100:13:281
11591991613,2cyclictest19567-21kworker/u8:021:35:040
11591991613,2cyclictest13834-21kworker/u8:023:50:040
11591991613,2cyclictest1145-21kworker/u8:122:24:050
1159199160,2cyclictest0-21swapper/021:13:040
201862150,3sleep020193-21ssh00:23:030
11594991512,2cyclictest39-21ksoftirqd/323:15:403
11594991511,2cyclictest381ktimersoftd/320:01:043
1159499150,2cyclictest0-21swapper/320:50:183
1159499150,13cyclictest0-21swapper/322:29:403
11592991512,2cyclictest3490-21kworker/u8:023:36:021
11592991512,2cyclictest13487-21kworker/u8:020:38:041
11592991512,2cyclictest11245-21kworker/u8:220:27:041
11591991512,2cyclictest7815-21kworker/u8:020:25:040
11591991512,2cyclictest5846-21kworker/u8:123:20:010
11591991512,2cyclictest29986-21kworker/u8:020:06:020
1159199150,2cyclictest0-21swapper/020:57:050
1159199150,2cyclictest0-21swapper/020:43:050
1159199150,1cyclictest0-21swapper/021:21:050
61012140,2sleep10-21swapper/121:54:091
1159499149,3cyclictest0-21swapper/320:31:023
1159499142,7cyclictest0-21swapper/322:19:593
1159499142,7cyclictest0-21swapper/319:30:003
1159499142,7cyclictest0-21swapper/319:25:003
1159499141,3cyclictest0-21swapper/319:41:013
11594991411,2cyclictest39-21ksoftirqd/323:45:513
1159499141,12cyclictest39-21ksoftirqd/321:45:233
11594991411,2cyclictest381ktimersoftd/323:37:203
11594991411,2cyclictest381ktimersoftd/322:00:003
11594991411,2cyclictest381ktimersoftd/320:45:203
1159499141,12cyclictest37-21rcuc/322:00:173
1159499141,12cyclictest37-21rcuc/320:41:043
11594991411,2cyclictest0-21swapper/319:55:123
1159499140,2cyclictest0-21swapper/321:31:313
1159499140,13cyclictest381ktimersoftd/300:34:403
1159499140,13cyclictest0-21swapper/323:03:103
1159499140,13cyclictest0-21swapper/300:05:403
1159499140,12cyclictest0-21swapper/319:51:023
1159399142,6cyclictest0-21swapper/223:25:012
11592991411,2cyclictest9914-21kworker/u8:019:33:041
11592991411,2cyclictest29986-21kworker/u8:020:08:051
11591991411,2cyclictest3128-21kworker/u8:219:19:050
11591991411,2cyclictest13487-21kworker/u8:020:37:040
1159199141,11cyclictest12888-21gzip19:11:000
1159199140,2cyclictest0-21swapper/000:03:050
1159199140,12cyclictest30145-21ssh22:18:510
1159199140,12cyclictest18486-21ssh23:47:060
229272130,2sleep00-21swapper/023:18:250
1159499132,6cyclictest0-21swapper/323:10:003
1159499131,11cyclictest0-21swapper/320:35:173
11594991310,2cyclictest39-21ksoftirqd/321:13:473
11594991310,2cyclictest37-21rcuc/322:33:263
11594991310,2cyclictest0-21swapper/322:37:423
1159499130,2cyclictest381ktimersoftd/300:25:143
1159499130,2cyclictest381ktimersoftd/300:25:143
1159499130,2cyclictest0-21swapper/323:30:193
1159499130,2cyclictest0-21swapper/323:20:133
1159499130,2cyclictest0-21swapper/323:05:193
1159499130,2cyclictest0-21swapper/300:36:243
1159499130,2cyclictest0-21swapper/300:20:123
1159499130,12cyclictest0-21swapper/323:52:403
1159499130,12cyclictest0-21swapper/322:40:113
1159499130,12cyclictest0-21swapper/300:03:403
1159399137,4cyclictest22254-21ssh22:10:162
1159399132,6cyclictest0-21swapper/222:35:002
1159399132,6cyclictest0-21swapper/221:20:012
1159399132,6cyclictest0-21swapper/220:20:012
1159399131,3cyclictest8378-21ssh00:10:202
1159399130,11cyclictest0-21swapper/219:46:002
11591991310,2cyclictest1590-21kworker/u8:120:23:050
11591991310,2cyclictest1590-21kworker/u8:120:19:040
11591991310,2cyclictest13834-21kworker/u8:023:55:040
11591991310,2cyclictest13487-21kworker/u8:021:03:040
1159199130,2cyclictest31370-21ssh23:26:380
286272120,2sleep228637-21ssh00:31:242
252992120,2sleep20-21swapper/222:46:262
186382120,2sleep227656-21diskmemload23:47:222
17012120,1sleep10-21swapper/122:55:591
1159499129,2cyclictest381ktimersoftd/321:18:353
1159499129,2cyclictest0-21swapper/323:55:393
1159499129,2cyclictest0-21swapper/323:26:493
1159499129,2cyclictest0-21swapper/322:20:183
1159499129,2cyclictest0-21swapper/320:15:183
1159499120,11cyclictest0-21swapper/321:05:183
1159399129,2cyclictest0-21swapper/221:21:022
1159399127,3cyclictest0-21swapper/223:11:352
1159399122,7cyclictest0-21swapper/200:23:592
1159399122,6cyclictest0-21swapper/223:07:132
1159399122,6cyclictest0-21swapper/220:51:452
1159399122,5cyclictest0-21swapper/219:14:592
1159399121,6cyclictest0-21swapper/200:40:002
1159399120,3cyclictest19390-21ssh21:34:432
1159399120,2cyclictest0-21swapper/222:55:142
1159399120,2cyclictest0-21swapper/219:55:142
1159399120,2cyclictest0-21swapper/200:05:122
1159399120,11cyclictest0-21swapper/223:36:022
1159399120,11cyclictest0-21swapper/221:55:162
1159399120,11cyclictest0-21swapper/219:15:122
1159299129,2cyclictest13719-21date19:14:591
1159299122,7cyclictest4562-21gdm-simple-gree20:17:591
1159299120,2cyclictest0-21swapper/119:35:111
1159199127,3cyclictest18237-21fschecks_count20:45:140
11591991210,1cyclictest0-21swapper/019:21:050
255022110,1sleep20-21swapper/221:03:162
1159499112,6cyclictest4562-21gdm-simple-gree19:36:593
1159499111,7cyclictest3688-21Xorg20:13:583
1159499111,1cyclictest0-21swapper/319:45:483
1159399118,2cyclictest0-21swapper/223:34:282
1159399116,3cyclictest32412-21sh21:47:232
1159399116,3cyclictest13914-21ssh23:42:212
1159399116,3cyclictest11932-21cat21:26:042
1159399112,5cyclictest0-21swapper/219:24:592
1159399111,7cyclictest0-21swapper/222:01:002
1159399111,6cyclictest0-21swapper/221:06:032
1159399111,6cyclictest0-21swapper/220:56:442
1159399110,10cyclictest0-21swapper/223:19:562
1159399110,10cyclictest0-21swapper/222:20:472
1159299111,7cyclictest4562-21gdm-simple-gree20:21:581
1159499105,3cyclictest15798-21sort19:20:013
1159499104,4cyclictest7809-21head20:20:123
1159499101,6cyclictest4562-21gdm-simple-gree21:00:583
1159499100,9cyclictest0-21swapper/320:55:033
1159399107,2cyclictest0-21swapper/223:55:162
1159399107,2cyclictest0-21swapper/222:31:362
1159399107,2cyclictest0-21swapper/222:27:152
1159399105,3cyclictest30852sleep221:50:212
1159399104,4cyclictest22718-21head19:35:172
1159399102,6cyclictest0-21swapper/220:31:012
1159399102,6cyclictest0-21swapper/219:27:592
1159399102,5cyclictest0-21swapper/222:40:592
1159399101,5cyclictest0-21swapper/221:35:122
1159399100,8cyclictest0-21swapper/223:25:102
1159399100,7cyclictest0-21swapper/220:04:582
1159399100,7cyclictest0-21swapper/219:51:592
1159399100,2cyclictest0-21swapper/220:23:462
3574290,1sleep20-21swapper/220:10:072
115949994,3cyclictest21134-21grep19:31:023
115949994,3cyclictest10038-21tr20:25:133
115949990,2cyclictest0-21swapper/320:05:333
115939994,3cyclictest5167-21sh23:00:102
115939994,3cyclictest3728-21runrttasks20:46:142
115939994,3cyclictest27656-21diskmemload00:26:122
115939994,3cyclictest27656-21diskmemload00:26:122
115939994,3cyclictest24769-21tr19:40:182
115939994,3cyclictest19969-21aten2.4_r3power19:30:122
115939994,3cyclictest17210-21unixbench_multi20:41:032
115939994,3cyclictest14058-21tr20:35:122
115939994,3cyclictest12147-21sendmail-mta00:15:082
115939994,3cyclictest11230-21vmstat20:26:042
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