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2026-09-16 - 03:01

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Wed Sep 16, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4342111100,6sleep10-21swapper/119:08:291
350210998,6sleep00-21swapper/019:07:250
342210888,15sleep20-21swapper/219:07:182
538210595,6sleep30-21swapper/319:09:523
131132800,0sleep00-21swapper/021:00:150
196842700,0sleep00-21swapper/023:21:290
292812680,0sleep30-21swapper/321:21:143
277242490,1sleep327723-21df_abs23:30:143
277242490,1sleep327723-21df_abs23:30:133
578993128,2cyclictest7796-21kworker/u8:023:43:043
577993128,2cyclictest2642-21kworker/u8:223:38:022
577993128,2cyclictest2642-21kworker/u8:223:38:012
57599300,12cyclictest0-21swapper/019:55:140
578992724,2cyclictest2642-21kworker/u8:223:38:063
578992724,2cyclictest2642-21kworker/u8:223:38:053
578992724,2cyclictest16107-21kworker/u8:023:24:063
577992724,2cyclictest24203-21kworker/u8:100:33:042
577992623,2cyclictest7796-21kworker/u8:023:58:012
577992623,2cyclictest25727-21kworker/u8:122:39:052
61522250,0sleep10-21swapper/123:08:341
578992522,2cyclictest8271-21kworker/u8:300:17:043
577992522,2cyclictest24203-21kworker/u8:100:38:052
577992522,2cyclictest17423-21kworker/u8:222:18:042
578992421,2cyclictest25727-21kworker/u8:122:37:043
578992420,2cyclictest31729-21kworker/u8:223:17:043
577992421,2cyclictest31729-21kworker/u8:223:12:062
577992421,2cyclictest22490-21kworker/u8:223:30:052
577992421,2cyclictest22490-21kworker/u8:223:30:052
577992421,2cyclictest19848-21kworker/u8:122:11:052
577992421,2cyclictest13233-21kworker/u8:221:50:042
57799240,10cyclictest0-21swapper/223:23:052
578992320,2cyclictest8271-21kworker/u8:300:25:053
578992320,2cyclictest2642-21kworker/u8:223:48:023
578992320,2cyclictest13233-21kworker/u8:221:49:043
578992320,2cyclictest10738-21kworker/u8:123:28:043
577992320,2cyclictest7211-21kworker/u8:021:33:052
577992320,2cyclictest28531-21kworker/u8:022:02:012
577992320,2cyclictest19848-21kworker/u8:121:47:052
307802230,1sleep00-21swapper/023:00:170
578992219,2cyclictest25727-21kworker/u8:123:00:043
578992219,2cyclictest25727-21kworker/u8:122:53:043
578992219,2cyclictest13233-21kworker/u8:221:39:043
577992219,2cyclictest31310-21kworker/u8:222:33:052
577992219,2cyclictest27241-21kworker/u8:220:36:052
577992219,2cyclictest2642-21kworker/u8:223:53:052
577992219,2cyclictest25727-21kworker/u8:123:07:052
577992219,2cyclictest19848-21kworker/u8:122:09:052
577992219,2cyclictest1261-21kworker/u8:321:28:042
577992217,3cyclictest22389-21ssh23:25:122
57799220,18cyclictest0-21swapper/223:18:042
57799220,18cyclictest0-21swapper/223:01:042
57699221,19cyclictest0-21swapper/100:20:111
578992118,2cyclictest7211-21kworker/u8:021:41:053
578992118,2cyclictest28531-21kworker/u8:021:54:063
578992118,2cyclictest2642-21kworker/u8:200:04:053
578992118,2cyclictest19848-21kworker/u8:122:04:043
578992118,2cyclictest17423-21kworker/u8:222:21:053
578992118,2cyclictest10548-21kworker/u8:322:48:063
577992118,2cyclictest30676-21kworker/u8:000:11:052
577992118,2cyclictest27241-21kworker/u8:220:25:052
577992118,2cyclictest25727-21kworker/u8:122:54:042
577992118,2cyclictest19848-21kworker/u8:121:57:052
577992118,2cyclictest10548-21kworker/u8:322:47:052
578992017,2cyclictest31729-21kworker/u8:223:13:053
578992017,2cyclictest24371-21kworker/u8:022:57:053
578992017,2cyclictest24203-21kworker/u8:100:09:043
578992017,2cyclictest17423-21kworker/u8:222:17:053
578992017,2cyclictest1261-21kworker/u8:321:29:053
578992017,2cyclictest10263-21kworker/u8:022:29:043
57899200,18cyclictest0-21swapper/300:20:123
577992017,2cyclictest793-21kworker/u8:119:47:052
577992017,2cyclictest793-21kworker/u8:119:41:052
577992017,2cyclictest2642-21kworker/u8:223:46:052
577992017,2cyclictest19223-21kworker/u8:220:03:052
57799200,19cyclictest0-21swapper/219:30:112
57799200,18cyclictest0-21swapper/221:40:052
57799200,18cyclictest0-21swapper/221:16:022
575992017,2cyclictest0-21swapper/023:25:130
57599200,19cyclictest0-21swapper/019:30:120
578991916,2cyclictest8271-21kworker/u8:300:37:053
578991916,2cyclictest31729-21kworker/u8:223:09:053
578991916,2cyclictest28531-21kworker/u8:021:58:053
578991916,2cyclictest19848-21kworker/u8:122:12:043
578991916,2cyclictest16860-21kworker/u8:221:18:053
57899190,14cyclictest16892-21diskmemload22:30:053
577991916,2cyclictest793-21kworker/u8:119:57:042
577991916,2cyclictest793-21kworker/u8:119:23:042
577991916,2cyclictest5041-21kworker/u8:021:06:052
57799190,2cyclictest0-21swapper/200:00:052
57899180,14cyclictest0-21swapper/321:34:053
577991815,2cyclictest793-21kworker/u8:120:14:052
577991815,2cyclictest5041-21kworker/u8:020:47:042
577991815,2cyclictest12301-21kworker/u8:219:12:052
57799180,2cyclictest0-21swapper/222:22:052
57799180,14cyclictest0-21swapper/220:07:042
57799180,10cyclictest0-21swapper/221:14:062
57599180,2cyclictest0-21swapper/022:11:020
578991714,2cyclictest793-21kworker/u8:119:43:043
578991714,2cyclictest7796-21kworker/u8:023:55:053
578991714,2cyclictest5185-21kworker/u8:222:05:053
578991714,2cyclictest2642-21kworker/u8:223:50:043
578991714,2cyclictest24203-21kworker/u8:100:12:053
577991714,2cyclictest5041-21kworker/u8:021:04:012
577991714,2cyclictest12301-21kworker/u8:219:25:052
577991714,2cyclictest10263-21kworker/u8:022:25:042
577991713,2cyclictest12301-21kworker/u8:219:16:052
57599171,14cyclictest30670-21sendmail-mta21:23:200
578991613,2cyclictest793-21kworker/u8:119:38:053
578991613,2cyclictest793-21kworker/u8:119:22:023
578991613,2cyclictest12301-21kworker/u8:219:33:043
578991613,2cyclictest12301-21kworker/u8:219:29:053
578991613,2cyclictest12301-21kworker/u8:219:18:043
578991613,2cyclictest10548-21kworker/u8:322:41:053
577991613,2cyclictest5041-21kworker/u8:020:42:022
57799160,2cyclictest6580-1kworker/u9:123:41:042
57799160,2cyclictest0-21swapper/219:39:052
57799160,2cyclictest0-21swapper/200:21:042
57799160,2cyclictest0-21swapper/200:15:042
57799160,15cyclictest0-21swapper/220:33:052
57799160,11cyclictest0-21swapper/200:08:042
57699169,5cyclictest0-21swapper/122:50:361
57699160,14cyclictest327662sleep122:30:151
578991512,2cyclictest793-21kworker/u8:120:15:053
578991512,2cyclictest793-21kworker/u8:120:15:043
578991512,2cyclictest12301-21kworker/u8:219:13:053
57799150,13cyclictest11403-21df_abs20:55:142
576991512,2cyclictest0-21swapper/123:35:151
576991512,2cyclictest0-21swapper/123:35:141
57699150,3cyclictest8179-21missed_timers22:05:171
57699150,2cyclictest0-21swapper/121:24:551
57699150,13cyclictest0-21swapper/121:53:541
57599151,12cyclictest5967-21ssh22:35:230
575991510,3cyclictest4956-21cut21:30:130
575991510,3cyclictest0-21swapper/020:45:140
57599150,13cyclictest0-21swapper/023:52:370
55452150,5sleep121-21rcuc/123:40:131
57899149,3cyclictest22544-21awk20:01:053
578991411,2cyclictest793-21kworker/u8:119:46:053
57899140,9cyclictest0-21swapper/321:02:053
57799140,2cyclictest0-21swapper/222:43:042
57799140,12cyclictest28820-21munin-node2
57799140,12cyclictest0-21swapper/222:55:022
57699149,3cyclictest2849-21rs:main1
57699149,3cyclictest0-21swapper/121:31:431
57699149,3cyclictest0-21swapper/119:25:161
576991410,2cyclictest0-21swapper/122:45:331
57699140,3cyclictest0-21swapper/121:45:181
57699140,2cyclictest0-21swapper/121:55:251
57699140,2cyclictest0-21swapper/100:30:141
57699140,12cyclictest24562-21apt-get00:00:131
57699140,12cyclictest16892-21diskmemload21:40:131
57699140,12cyclictest0-21swapper/123:55:241
57699140,12cyclictest0-21swapper/121:28:531
57599149,3cyclictest6938-21cpu00:15:130
57599149,3cyclictest23530-21ssh23:58:590
57599149,3cyclictest21587-21ssh00:30:090
57599142,7cyclictest2669-21copy20:35:010
575991411,2cyclictest0-21swapper/022:45:200
57599141,11cyclictest3318-21ssh23:38:140
57599141,11cyclictest3318-21ssh23:38:130
575991410,2cyclictest24396-21ssh21:16:230
575991410,2cyclictest0-21swapper/000:07:090
57599140,13cyclictest0-21swapper/023:16:090
57599140,12cyclictest28117-21tr22:25:170
57599140,12cyclictest23177-21ntp_states22:20:170
57599140,12cyclictest0-21swapper/023:44:060
57599140,12cyclictest0-21swapper/022:31:080
57599140,12cyclictest0-21swapper/021:42:580
57599140,12cyclictest0-21swapper/000:02:590
578991310,2cyclictest793-21kworker/u8:120:08:043
578991310,2cyclictest5041-21kworker/u8:021:09:053
578991310,2cyclictest5041-21kworker/u8:020:53:053
578991310,2cyclictest5041-21kworker/u8:020:48:043
578991310,2cyclictest5041-21kworker/u8:020:44:053
578991310,2cyclictest27241-21kworker/u8:220:30:023
577991310,2cyclictest27241-21kworker/u8:220:21:052
577991310,2cyclictest27241-21kworker/u8:220:21:042
577991310,2cyclictest0-21swapper/219:50:182
57799130,2cyclictest0-21swapper/220:54:052
57699138,3cyclictest0-21swapper/100:10:141
57699132,6cyclictest0-21swapper/119:25:001
576991310,2cyclictest0-21swapper/123:45:531
576991310,2cyclictest0-21swapper/123:03:551
576991310,2cyclictest0-21swapper/121:11:021
576991310,2cyclictest0-21swapper/100:15:111
57699130,3cyclictest0-21swapper/122:13:121
57699130,2cyclictest0-21swapper/123:24:591
57699130,2cyclictest0-21swapper/123:15:241
57699130,2cyclictest0-21swapper/122:40:081
57699130,2cyclictest0-21swapper/122:22:171
57699130,2cyclictest0-21swapper/120:05:051
57699130,2cyclictest0-21swapper/100:25:551
57699130,12cyclictest0-21swapper/123:11:271
57699130,12cyclictest0-21swapper/122:17:041
57699130,12cyclictest0-21swapper/120:35:111
57699130,11cyclictest0-21swapper/123:51:071
57699130,11cyclictest0-21swapper/120:00:201
57599138,3cyclictest0-21swapper/023:45:110
575991310,2cyclictest7330-21ssh23:10:030
575991310,2cyclictest24426-21ssh22:54:590
575991310,2cyclictest19612-21ssh00:27:300
575991310,2cyclictest0-21swapper/023:32:040
575991310,2cyclictest0-21swapper/023:32:030
575991310,2cyclictest0-21swapper/021:36:470
575991310,2cyclictest0-21swapper/021:26:560
575991310,2cyclictest0-21swapper/019:16:060
575991310,2cyclictest0-21swapper/000:35:590
57599130,2cyclictest0-21swapper/021:55:040
57599130,2cyclictest0-21swapper/021:45:180
57599130,2cyclictest0-21swapper/000:24:090
57599130,12cyclictest0-21swapper/023:06:290
57599130,12cyclictest0-21swapper/020:10:130
57599130,11cyclictest16892-21diskmemload22:07:560
57599130,11cyclictest0-21swapper/022:16:260
57899122,7cyclictest0-21swapper/320:26:593
57899122,6cyclictest0-21swapper/320:00:003
57899120,8cyclictest0-21swapper/319:54:053
57899120,2cyclictest0-21swapper/320:24:053
57899120,2cyclictest0-21swapper/320:24:043
57899120,2cyclictest0-21swapper/320:13:053
57799129,2cyclictest0-21swapper/221:35:332
57799129,2cyclictest0-21swapper/200:25:132
57799120,11cyclictest0-21swapper/220:15:012
57799120,11cyclictest0-21swapper/220:15:002
57699129,2cyclictest0-21swapper/121:00:161
57699129,2cyclictest0-21swapper/119:45:111
57699129,2cyclictest0-21swapper/119:16:081
57699129,2cyclictest0-21swapper/100:05:291
57699127,3cyclictest27571-21cpuspeed_turbos23:30:131
57699127,3cyclictest27571-21cpuspeed_turbos23:30:121
57699127,3cyclictest1097-21tr20:30:141
57699123,3cyclictest23408-21grep23:25:201
57699121,9cyclictest2633-21diskstats22:00:151
57699121,9cyclictest0-21swapper/120:20:191
57699121,9cyclictest0-21swapper/120:20:191
57699121,3cyclictest8313-21sendmail-mta21:35:141
57699120,2cyclictest0-21swapper/122:56:461
57699120,2cyclictest0-21swapper/122:37:121
57699120,2cyclictest0-21swapper/119:54:081
57699120,11cyclictest0-21swapper/122:28:221
57699120,11cyclictest0-21swapper/121:15:201
57699120,11cyclictest0-21swapper/120:15:121
57699120,11cyclictest0-21swapper/120:15:111
57699120,11cyclictest0-21swapper/119:40:201
57699120,10cyclictest0-21swapper/120:45:411
57599129,2cyclictest0-21swapper/022:55:260
57599129,2cyclictest0-21swapper/020:20:190
57599129,2cyclictest0-21swapper/020:20:190
57599129,2cyclictest0-21swapper/020:01:040
57599129,2cyclictest0-21swapper/019:45:170
57599122,7cyclictest0-21swapper/020:58:020
57599122,6cyclictest0-21swapper/019:55:010
57599122,6cyclictest0-21swapper/019:11:000
57599121,3cyclictest23189-21apt-get20:05:130
57599120,2cyclictest0-21swapper/022:00:200
57599120,2cyclictest0-21swapper/000:10:070
57599120,11cyclictest0-21swapper/022:40:480
57599120,11cyclictest0-21swapper/021:52:180
57599120,11cyclictest0-21swapper/021:10:170
57599120,11cyclictest0-21swapper/021:05:160
57599120,11cyclictest0-21swapper/020:50:390
57599120,11cyclictest0-21swapper/019:40:170
28142120,2sleep00-21swapper/020:35:030
215922120,2sleep30-21swapper/300:30:103
57899118,2cyclictest0-21swapper/320:55:463
57899111,7cyclictest0-21swapper/320:39:013
57699118,2cyclictest0-21swapper/120:40:121
57699117,2cyclictest0-21swapper/119:35:121
57699111,8cyclictest10161-21awk19:31:001
57699111,3cyclictest0-21swapper/119:10:141
57699110,9cyclictest0-21swapper/119:55:061
57599118,2cyclictest0-21swapper/019:21:030
57599110,3cyclictest11142-21cut19:35:110
57599110,10cyclictest0-21swapper/020:25:590
57899100,2cyclictest0-21swapper/321:10:043
57699105,3cyclictest15255-21aten2.4-expect21:05:121
57699101,5cyclictest0-21swapper/120:55:011
57699101,3cyclictest31921-21iostat_ios20:25:171
57699100,8cyclictest9058-21munin-node1
57699100,8cyclictest0-21swapper/120:10:181
57599105,3cyclictest5053-21aten2.4_r3power20:40:130
57599100,8cyclictest0-21swapper/020:15:110
57599100,8cyclictest0-21swapper/020:15:100
57599100,2cyclictest0-21swapper/019:25:130
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