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2026-04-21 - 07:38

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 Tue Apr 21, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23867212098,17sleep00-21swapper/019:08:470
237862116105,6sleep10-21swapper/119:07:441
23673211493,16sleep20-21swapper/219:06:182
23753210580,6sleep30-21swapper/319:07:193
297782800,1sleep0101ktimersoftd/022:39:530
138922720,0sleep00-21swapper/000:02:170
157902690,1sleep00-21swapper/020:10:010
89262680,0sleep10-21swapper/121:44:461
23990993817,19cyclictest0-21swapper/323:00:123
23988993817,19cyclictest0-21swapper/119:20:111
51902280,5sleep02398799cyclictest19:41:040
150742280,0sleep30-21swapper/322:56:593
155782220,0sleep00-21swapper/023:30:400
23988992115,4cyclictest0-21swapper/123:50:131
2398799210,16cyclictest0-21swapper/023:27:050
39152200,0sleep00-21swapper/023:19:450
322872200,1sleep332289-21ssh23:48:173
2398799200,2cyclictest0-21swapper/020:40:100
23990991814,2cyclictest19442-21kworker/u8:022:19:033
2399099180,16cyclictest0-21swapper/319:55:123
23989991815,2cyclictest25370-21kworker/u8:023:12:042
23989991815,2cyclictest14421-21kworker/u8:023:37:052
2398899180,2cyclictest0-21swapper/122:30:101
2399099171,14cyclictest27368-21ssh22:36:073
23989991714,2cyclictest13045-21kworker/u8:000:39:042
2398999171,3cyclictest0-21swapper/222:22:002
2399099161,13cyclictest432-21ntp_states23:15:193
2399099160,2cyclictest0-21swapper/319:15:173
2399099160,2cyclictest0-21swapper/319:15:163
2398999161,13cyclictest9978-21users00:31:052
23989991611,3cyclictest0-21swapper/221:30:132
2398899161,3cyclictest0-21swapper/120:44:591
23988991612,2cyclictest0-21swapper/119:50:121
141192160,1sleep3381ktimersoftd/321:15:473
88852150,0sleep10-21swapper/123:24:431
2399099152,7cyclictest0-21swapper/321:40:003
2399099152,7cyclictest0-21swapper/320:25:013
2399099150,13cyclictest0-21swapper/321:55:473
23989991512,2cyclictest30195-21kworker/u8:022:50:062
23989991512,2cyclictest16078-21kworker/u8:022:30:052
23989991512,2cyclictest0-21swapper/221:17:582
23989991512,2cyclictest0-21swapper/220:10:122
23989991510,3cyclictest5028-21ssh21:40:142
2398999150,13cyclictest14713-21ssh21:50:142
2398999150,13cyclictest0-21swapper/223:51:102
2398999150,13cyclictest0-21swapper/222:16:192
2398899151,12cyclictest0-21swapper/123:30:001
2398899150,12cyclictest3187-21ntpd19:45:161
23987991512,2cyclictest0-21swapper/021:34:590
2398799150,13cyclictest32104-21munin-node0
2398799150,13cyclictest0-21swapper/021:26:300
2399099149,3cyclictest12379-21ssh21:47:383
2399099142,6cyclictest0-21swapper/320:55:003
2399099142,6cyclictest0-21swapper/300:39:593
23990991411,2cyclictest0-21swapper/300:05:073
23990991410,2cyclictest0-21swapper/321:25:273
2399099140,2cyclictest0-21swapper/323:05:573
2399099140,13cyclictest0-21swapper/322:46:373
2399099140,13cyclictest0-21swapper/322:46:373
2399099140,13cyclictest0-21swapper/322:41:173
2399099140,13cyclictest0-21swapper/322:41:163
2399099140,13cyclictest0-21swapper/322:05:073
2399099140,12cyclictest23468-21ssh22:00:023
2399099140,12cyclictest0-21swapper/323:10:193
23989991411,2cyclictest8961-21kworker/u8:000:07:042
23989991411,2cyclictest3423-21kworker/u8:023:19:052
23989991411,2cyclictest27922-21kworker/u8:123:48:052
23989991411,2cyclictest26917-21kworker/u8:200:17:052
23989991411,2cyclictest20455-21kworker/u8:223:41:052
23989991411,2cyclictest17569-21kworker/u8:020:16:012
23989991411,2cyclictest14421-21kworker/u8:023:34:052
23989991411,2cyclictest11624-21kworker/u8:221:55:052
2398999140,2cyclictest0-21swapper/222:41:202
2398999140,2cyclictest0-21swapper/222:41:192
2398999140,13cyclictest0-21swapper/223:56:302
2398999140,13cyclictest0-21swapper/222:46:502
2398999140,13cyclictest0-21swapper/222:46:492
2398999140,13cyclictest0-21swapper/222:10:402
2398999140,13cyclictest0-21swapper/200:23:202
2398999140,12cyclictest8191-21ssh23:23:382
2398999140,12cyclictest6228-21df_inode19:45:132
2398999140,12cyclictest0-21swapper/222:40:002
2398899140,3cyclictest0-21swapper/123:39:591
2398899140,12cyclictest0-21swapper/123:07:521
2398899140,12cyclictest0-21swapper/122:49:321
2398899140,12cyclictest0-21swapper/122:49:311
23987991411,2cyclictest7562-21diskmemload00:21:240
23987991411,2cyclictest0-21swapper/022:41:300
23987991411,2cyclictest0-21swapper/022:41:300
23987991411,2cyclictest0-21swapper/021:10:500
2398799140,3cyclictest29139-21ssh23:11:100
2398799140,2cyclictest0-21swapper/021:37:050
2398799140,13cyclictest7562-21diskmemload22:59:200
2398799140,12cyclictest18786-21pzem_energy21:20:300
2398799140,12cyclictest13986-21ssh00:35:200
2398799140,12cyclictest11508-21ssh21:46:170
2398799140,12cyclictest0-21swapper/023:51:540
2398799140,12cyclictest0-21swapper/022:50:060
2398799140,12cyclictest0-21swapper/022:31:390
2398799140,12cyclictest0-21swapper/019:20:190
2398799140,12cyclictest0-21swapper/000:18:140
308232130,2sleep00-21swapper/023:46:040
2399099132,6cyclictest0-21swapper/322:55:013
23990991310,2cyclictest8645-21kworker/u8:123:32:053
23990991310,2cyclictest20130-21ssh21:21:593
23990991310,2cyclictest0-21swapper/322:31:073
23990991310,2cyclictest0-21swapper/321:50:363
23990991310,2cyclictest0-21swapper/321:34:173
23990991310,2cyclictest0-21swapper/300:25:093
23990991310,2cyclictest0-21swapper/300:20:163
2399099130,12cyclictest8622-21kworker/u8:222:25:053
2399099130,12cyclictest0-21swapper/323:50:093
2399099130,11cyclictest8858-21kworker/u8:120:01:033
2399099130,11cyclictest11482-21kworker/u8:220:30:043
23989991310,2cyclictest26131-21kworker/u8:020:41:052
23989991310,2cyclictest2228-21kworker/u8:122:29:042
23989991310,2cyclictest15481-21kworker/u8:121:23:052
23989991310,2cyclictest0-21swapper/223:09:502
23989991310,2cyclictest0-21swapper/223:00:502
23989991310,2cyclictest0-21swapper/222:55:182
23989991310,2cyclictest0-21swapper/221:36:402
2398999130,2cyclictest0-21swapper/221:48:002
2398999130,12cyclictest0-21swapper/221:12:192
2398999130,12cyclictest0-21swapper/220:55:162
2398999130,11cyclictest0-21swapper/221:25:522
2398999130,11cyclictest0-21swapper/220:45:152
2398899131,9cyclictest0-21swapper/100:05:151
2398899131,10cyclictest0-21swapper/123:10:281
23988991310,2cyclictest7562-21diskmemload23:44:081
23988991310,2cyclictest7562-21diskmemload22:26:021
23988991310,2cyclictest0-21swapper/122:41:221
23988991310,2cyclictest0-21swapper/122:41:221
23988991310,2cyclictest0-21swapper/122:10:121
23988991310,2cyclictest0-21swapper/121:37:521
23988991310,2cyclictest0-21swapper/100:18:021
2398899130,2cyclictest2900-21timerwakeupswit20:56:021
2398899130,2cyclictest0-21swapper/123:31:031
2398899130,2cyclictest0-21swapper/100:38:011
2398899130,2cyclictest0-21swapper/100:10:171
2398899130,12cyclictest0-21swapper/121:21:521
2398899130,12cyclictest0-21swapper/120:15:161
2398899130,12cyclictest0-21swapper/119:56:021
2398899130,11cyclictest20285-21ssh23:02:311
2398899130,11cyclictest0-21swapper/123:45:281
2398899130,11cyclictest0-21swapper/122:00:321
2398899130,11cyclictest0-21swapper/121:51:311
23987991310,2cyclictest5969-21ssh00:27:190
23987991310,2cyclictest0-21swapper/023:41:000
23987991310,2cyclictest0-21swapper/023:00:270
23987991310,2cyclictest0-21swapper/022:20:170
23987991310,2cyclictest0-21swapper/021:55:180
23987991310,2cyclictest0-21swapper/020:30:540
23987991310,2cyclictest0-21swapper/000:10:060
2398799130,2cyclictest0-21swapper/023:36:590
2398799130,2cyclictest0-21swapper/022:13:460
2398799130,2cyclictest0-21swapper/020:35:130
2398799130,2cyclictest0-21swapper/020:20:300
2398799130,2cyclictest0-21swapper/000:05:410
2398799130,12cyclictest7562-21diskmemload22:07:140
2398799130,12cyclictest0-21swapper/023:58:300
2398799130,12cyclictest0-21swapper/023:05:320
2398799130,12cyclictest0-21swapper/022:16:070
2398799130,12cyclictest0-21swapper/021:53:070
2398799130,12cyclictest0-21swapper/021:40:340
2398799130,12cyclictest0-21swapper/020:55:110
2398799130,11cyclictest7562-21diskmemload22:46:460
2398799130,11cyclictest7562-21diskmemload22:46:460
152072130,2sleep10-21swapper/100:04:201
2399099129,2cyclictest28242-21apt-get19:20:113
2399099129,2cyclictest11714-21ssh21:13:583
2399099129,2cyclictest0-21swapper/323:40:093
2399099129,2cyclictest0-21swapper/323:37:383
2399099129,2cyclictest0-21swapper/300:14:483
2399099127,3cyclictest6812-21ssh23:21:323
2399099126,4cyclictest3764-21telnet19:40:133
2399099122,7cyclictest13341-21ssh22:21:593
2399099122,6cyclictest0-21swapper/319:26:023
2399099121,9cyclictest28011-21ssh00:16:333
2399099120,2cyclictest0-21swapper/319:50:193
2399099120,11cyclictest0-21swapper/323:55:093
2399099120,11cyclictest0-21swapper/321:44:393
2399099120,11cyclictest0-21swapper/300:02:183
2399099120,10cyclictest7412-21kworker/u8:100:30:053
2399099120,10cyclictest19442-21kworker/u8:022:11:043
2398999129,2cyclictest29668-21kworker/u8:019:36:042
2398999129,2cyclictest24303-21kworker/u8:219:30:042
2398999129,2cyclictest20067-21kworker/u8:120:33:052
2398999129,2cyclictest20067-21kworker/u8:120:25:032
2398999129,2cyclictest0-21swapper/221:05:182
2398999129,2cyclictest0-21swapper/219:50:182
2398999129,2cyclictest0-21swapper/219:16:022
2398999129,2cyclictest0-21swapper/219:16:012
2398999129,2cyclictest0-21swapper/200:10:432
2398999120,7cyclictest0-21swapper/219:22:042
2398999120,2cyclictest0-21swapper/220:06:042
2398999120,2cyclictest0-21swapper/200:01:512
2398999120,1cyclictest0-21swapper/221:00:132
2398999120,11cyclictest0-21swapper/223:25:422
2398999120,11cyclictest0-21swapper/220:50:092
2398999120,11cyclictest0-21swapper/220:20:192
2398999120,11cyclictest0-21swapper/200:25:332
2398999120,10cyclictest0-21swapper/222:05:492
2398899129,2cyclictest7562-21diskmemload23:56:021
2398899129,2cyclictest7562-21diskmemload21:58:411
2398899129,2cyclictest0-21swapper/122:52:431
2398899129,2cyclictest0-21swapper/121:19:221
2398899129,2cyclictest0-21swapper/120:05:121
2398899129,2cyclictest0-21swapper/100:21:041
2398899128,2cyclictest0-21swapper/121:10:161
2398899128,2cyclictest0-21swapper/120:20:141
2398899122,5cyclictest0-21swapper/120:50:001
2398899121,9cyclictest9419-21apt-get21:45:121
2398899121,9cyclictest7562-21diskmemload22:35:061
2398899121,9cyclictest0-21swapper/119:25:161
2398899121,3cyclictest5894-21ssh22:15:111
2398899120,2cyclictest0-21swapper/123:18:461
2398899120,2cyclictest0-21swapper/122:20:131
2398899120,2cyclictest0-21swapper/121:34:021
2398899120,2cyclictest0-21swapper/119:30:111
2398899120,11cyclictest0-21swapper/122:06:111
2398899120,11cyclictest0-21swapper/121:05:131
2398899120,11cyclictest0-21swapper/100:25:181
2398899120,10cyclictest207150irq/24-eth100:33:181
2398799129,2cyclictest1432-21copy19:35:020
2398799120,2cyclictest0-21swapper/023:20:090
2398799120,11cyclictest0-21swapper/022:25:430
2398799120,11cyclictest0-21swapper/022:01:080
2398799120,11cyclictest0-21swapper/021:15:020
2398799120,11cyclictest0-21swapper/020:25:140
2398799120,11cyclictest0-21swapper/019:26:050
2398799120,11cyclictest0-21swapper/000:30:220
60882110,1sleep00-21swapper/021:05:130
2399099118,2cyclictest0-21swapper/320:16:013
2399099118,2cyclictest0-21swapper/319:35:053
2399099115,4cyclictest12263-21ssh23:27:263
2399099110,9cyclictest0-21swapper/320:25:143
2399099110,10cyclictest26131-21kworker/u8:020:43:053
2399099110,10cyclictest0-21swapper/320:46:013
2398999118,2cyclictest24303-21kworker/u8:219:28:012
2398999118,2cyclictest11482-21kworker/u8:219:58:012
2398999118,2cyclictest0-21swapper/219:10:152
2398999112,7cyclictest0-21swapper/220:36:022
2398999110,9cyclictest7562-21diskmemload22:00:302
2398899118,2cyclictest0-21swapper/122:59:011
2398899118,2cyclictest0-21swapper/120:36:031
2398899118,2cyclictest0-21swapper/119:35:121
2398899112,4cyclictest0-21swapper/119:40:011
2398899110,9cyclictest0-21swapper/120:10:141
2398899110,3cyclictest0-21swapper/121:00:131
2398799118,2cyclictest0-21swapper/020:10:120
2398799118,2cyclictest0-21swapper/019:56:020
2398799118,2cyclictest0-21swapper/019:15:110
2398799118,2cyclictest0-21swapper/019:15:110
2398799110,5cyclictest0-21swapper/021:02:050
2398799110,10cyclictest0-21swapper/019:45:390
2399099105,3cyclictest16611-21grep20:10:163
2399099101,3cyclictest15618-21taskset20:09:173
2399099100,9cyclictest0-21swapper/321:05:153
2399099100,7cyclictest0-21swapper/319:32:593
2399099100,6cyclictest0-21swapper/319:11:013
2398999102,6cyclictest0-21swapper/219:41:592
2398899107,2cyclictest0-21swapper/120:30:141
2398899100,8cyclictest26554-21sed19:15:121
2398899100,8cyclictest26554-21sed19:15:121
2398899100,8cyclictest12529-21modprobe20:00:161
2398899100,8cyclictest0-21swapper/121:25:121
2398899100,8cyclictest0-21swapper/120:45:161
2398899100,3cyclictest21944-21munin-node1
2398899100,3cyclictest0-21swapper/119:10:181
2398799107,2cyclictest0-21swapper/020:51:020
239909994,3cyclictest6028-21cpu19:45:123
239909994,3cyclictest2662-21sendmail_mailst20:56:003
239909994,3cyclictest25950-21date20:35:003
239909991,3cyclictest0-21swapper/321:00:123
239879996,2cyclictest0-21swapper/019:50:170
239879995,3cyclictest3728-21runrttasks20:17:410
239879992,6cyclictest0-21swapper/020:46:340
239879992,6cyclictest0-21swapper/020:01:010
239899980,5cyclictest0-21swapper/220:00:012
239879980,7cyclictest0-21swapper/019:10:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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