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2026-09-24 - 06:38

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 Thu Sep 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15725211284,20sleep00-21swapper/019:05:120
210421080,0sleep00-21swapper/000:03:240
17266210587,12sleep30-21swapper/319:07:073
17289210384,14sleep10-21swapper/119:07:251
17290210180,15sleep20-21swapper/219:07:262
230212840,1sleep20-21swapper/223:16:002
182422740,1sleep00-21swapper/021:27:080
103342730,0sleep00-21swapper/022:27:550
315522700,0sleep10-21swapper/122:15:351
17521993717,18cyclictest0-21swapper/323:20:103
1751999360,2cyclictest0-21swapper/123:10:161
1752099350,1cyclictest0-21swapper/223:25:092
17520993128,2cyclictest18566-21kworker/u8:022:32:062
17520992926,2cyclictest29770-21kworker/u8:122:12:052
17520992926,2cyclictest14655-21kworker/u8:222:39:042
17520992926,2cyclictest11002-21kworker/u8:123:09:052
17520992825,2cyclictest3670-21kworker/u8:021:26:052
17520992825,2cyclictest2551-21kworker/u8:223:30:022
17521992723,2cyclictest9247-21kworker/u8:122:54:053
17520992724,2cyclictest8343-21kworker/u8:100:20:052
17520992724,2cyclictest30388-21kworker/u8:222:25:052
17520992724,2cyclictest24596-21kworker/u8:321:38:042
17520992724,2cyclictest2425-21kworker/u8:000:28:052
1751999270,18cyclictest0-21swapper/121:40:111
17520992623,2cyclictest6057-21kworker/u8:023:22:042
17520992623,2cyclictest30388-21kworker/u8:222:24:012
17520992623,2cyclictest29770-21kworker/u8:121:48:032
17520992623,2cyclictest24596-21kworker/u8:321:42:042
17520992623,2cyclictest15322-21kworker/u8:123:43:052
17520992623,2cyclictest15322-21kworker/u8:123:43:052
17520992522,2cyclictest29366-21kworker/u8:223:58:052
17520992522,2cyclictest2425-21kworker/u8:000:39:052
17520992522,2cyclictest2425-21kworker/u8:000:14:052
17520992522,2cyclictest23682-21kworker/u8:221:34:042
17520992522,2cyclictest18566-21kworker/u8:022:07:042
17520992522,2cyclictest15322-21kworker/u8:123:53:052
17520992421,2cyclictest24596-21kworker/u8:321:51:052
17520992421,2cyclictest19903-21kworker/u8:220:17:042
17520992421,2cyclictest15322-21kworker/u8:100:02:052
17520992320,2cyclictest3444-21kworker/u8:120:03:032
17520992320,2cyclictest2425-21kworker/u8:000:15:032
17520992320,2cyclictest22234-21kworker/u8:200:32:052
17520992320,2cyclictest19903-21kworker/u8:219:45:042
1752099230,18cyclictest0-21swapper/223:14:012
1752099230,18cyclictest0-21swapper/221:08:042
1752099230,13cyclictest0-21swapper/222:18:042
17520992219,2cyclictest3444-21kworker/u8:120:53:032
17520992219,2cyclictest3444-21kworker/u8:120:25:032
17520992219,2cyclictest312-21kworker/u8:019:29:042
17520992219,2cyclictest19903-21kworker/u8:219:17:042
1751999221,19cyclictest0-21swapper/123:20:101
25262210,0sleep10-21swapper/122:54:461
17520992118,2cyclictest3444-21kworker/u8:120:38:042
17520992118,2cyclictest15688-21kworker/u8:020:32:042
17520992115,4cyclictest29-21rcuc/222:56:012
17521992016,2cyclictest23435-21sh21:33:053
17520992017,2cyclictest3444-21kworker/u8:120:44:042
17520992017,2cyclictest27816-21kworker/u8:119:37:032
17520992017,2cyclictest19903-21kworker/u8:219:21:042
17520991916,2cyclictest3444-21kworker/u8:120:22:042
1752099190,2cyclictest16205-21ssh22:00:042
1752099190,2cyclictest0-21swapper/223:49:042
1752099190,2cyclictest0-21swapper/223:49:032
1752099190,2cyclictest0-21swapper/223:04:032
17520991815,2cyclictest29983-21kworker/u8:019:51:042
17520991815,2cyclictest25523-21kworker/u8:221:04:052
17520991815,2cyclictest13692-21kworker/u8:119:14:042
1752099180,2cyclictest0-21swapper/223:37:052
206372170,0sleep30-21swapper/322:04:543
1752199171,13cyclictest0-21swapper/322:25:163
1752099171,3cyclictest25851-21sort22:45:002
1752099170,2cyclictest0-21swapper/219:44:012
271492160,0sleep00-21swapper/022:10:570
1752199161,13cyclictest9589-21cat20:10:003
17521991611,3cyclictest0-21swapper/300:14:293
1752099160,2cyclictest0-21swapper/221:15:042
1752099160,2cyclictest0-21swapper/220:46:042
1751999161,13cyclictest32639-21munin-node1
17519991611,3cyclictest24482-21munin-node1
1751999161,13cyclictest0-21swapper/122:02:281
1752199151,3cyclictest14337-21sendmail-mta21:26:583
1752199151,12cyclictest29346-21apt-get21:40:063
17520991512,2cyclictest0-21swapper/221:56:102
1751999152,7cyclictest0-21swapper/119:40:001
17519991512,2cyclictest0-21swapper/121:26:351
1751999151,12cyclictest2096-21sendmail-mta00:05:001
17519991510,3cyclictest0-21swapper/123:06:001
1751999150,2cyclictest0-21swapper/123:36:441
1751999150,13cyclictest28578-21cat20:55:181
1751999150,13cyclictest19524-21apt-get19:15:051
1751999150,13cyclictest0-21swapper/123:15:131
1751999150,13cyclictest0-21swapper/120:25:121
1751899151,3cyclictest31421-21irqstats23:25:150
1751899151,12cyclictest25546-21munin-run20:50:000
1752199140,2cyclictest0-21swapper/321:47:073
1752199140,2cyclictest0-21swapper/300:18:283
1752199140,13cyclictest0-21swapper/300:25:193
1752199140,12cyclictest23238-21ssh23:50:483
1752199140,12cyclictest0-21swapper/323:25:133
17520991410,2cyclictest3649-21snmpd00:06:132
1752099140,13cyclictest0-21swapper/222:54:002
1752099140,13cyclictest0-21swapper/220:10:402
1751999149,3cyclictest3598-21cut22:20:181
1751999149,3cyclictest20392-21sh00:22:431
1751999149,3cyclictest14889-21ssh22:32:421
1751999149,3cyclictest12410-21munin-node1
1751999142,7cyclictest21155-21copy22:40:001
1751999142,6cyclictest0-21swapper/121:25:011
1751999142,6cyclictest0-21swapper/120:35:001
17519991410,2cyclictest0-21swapper/122:56:311
1751999140,12cyclictest0-21swapper/122:45:091
1751999140,12cyclictest0-21swapper/121:38:521
1751899149,3cyclictest3087-21ssh00:39:430
1751899142,7cyclictest21907-21ssh00:25:000
17518991411,2cyclictest0-21swapper/023:49:140
17518991411,2cyclictest0-21swapper/023:49:140
17518991411,2cyclictest0-21swapper/022:45:340
17518991411,2cyclictest0-21swapper/022:40:140
17518991411,2cyclictest0-21swapper/022:36:240
17518991411,2cyclictest0-21swapper/022:20:140
1751899140,2cyclictest0-21swapper/021:20:140
1751899140,2cyclictest0-21swapper/000:15:040
1751899140,12cyclictest18510-21sed20:30:190
1751899140,12cyclictest0-21swapper/022:19:240
126022140,2sleep012821-21ssh23:40:160
126022140,2sleep012821-21ssh23:40:150
75652130,2sleep31133-21diskmemload00:09:293
1752199131,10cyclictest0-21swapper/300:00:133
17521991310,2cyclictest0-21swapper/323:30:563
17521991310,2cyclictest0-21swapper/323:17:053
17521991310,2cyclictest0-21swapper/323:07:263
17521991310,2cyclictest0-21swapper/323:03:183
17521991310,2cyclictest0-21swapper/322:36:023
17521991310,2cyclictest0-21swapper/320:25:113
1752199130,8cyclictest0-21swapper/323:10:033
1752199130,2cyclictest0-21swapper/323:55:163
1752199130,2cyclictest0-21swapper/323:36:283
1752199130,2cyclictest0-21swapper/320:00:183
1752199130,2cyclictest0-21swapper/300:34:193
1752199130,12cyclictest0-21swapper/323:48:483
1752199130,12cyclictest0-21swapper/323:48:483
1752199130,12cyclictest0-21swapper/322:45:583
1752199130,12cyclictest0-21swapper/322:15:493
1752199130,12cyclictest0-21swapper/321:54:403
1752199130,12cyclictest0-21swapper/321:11:083
1752199130,12cyclictest0-21swapper/321:11:083
1752199130,11cyclictest0-21swapper/321:15:143
1752199130,11cyclictest0-21swapper/320:20:073
1752099132,6cyclictest0-21swapper/219:35:002
1752099131,2cyclictest11908-21ssh21:20:202
1752099131,10cyclictest0-21swapper/221:10:062
1752099131,10cyclictest0-21swapper/221:10:052
1751999139,2cyclictest0-21swapper/123:56:031
1751999132,6cyclictest0-21swapper/119:30:001
17519991310,2cyclictest0-21swapper/122:25:451
17519991310,2cyclictest0-21swapper/121:17:031
17519991310,2cyclictest0-21swapper/121:10:401
17519991310,2cyclictest0-21swapper/121:10:391
17519991310,2cyclictest0-21swapper/120:50:141
1751999130,2cyclictest0-21swapper/123:45:371
1751999130,2cyclictest0-21swapper/123:45:361
1751999130,2cyclictest0-21swapper/123:40:341
1751999130,2cyclictest0-21swapper/123:40:341
1751999130,2cyclictest0-21swapper/122:35:111
1751999130,2cyclictest0-21swapper/122:07:501
1751999130,2cyclictest0-21swapper/121:48:511
1751999130,2cyclictest0-21swapper/121:33:391
1751999130,2cyclictest0-21swapper/120:00:431
1751999130,2cyclictest0-21swapper/100:35:451
1751999130,12cyclictest0-21swapper/123:30:251
1751999130,12cyclictest0-21swapper/121:53:091
1751999130,11cyclictest0-21swapper/122:12:241
17518991310,2cyclictest0-21swapper/023:30:350
1751899130,12cyclictest0-21swapper/023:55:330
1751899130,11cyclictest1133-21diskmemload00:26:400
1752199129,2cyclictest0-21swapper/323:42:513
1752199129,2cyclictest0-21swapper/323:42:513
1752199129,2cyclictest0-21swapper/322:30:303
1752199129,2cyclictest0-21swapper/322:10:083
1752199129,2cyclictest0-21swapper/320:45:163
1752199120,2cyclictest0-21swapper/322:55:053
1752199120,2cyclictest0-21swapper/322:40:133
1752199120,2cyclictest0-21swapper/321:56:073
1752199120,2cyclictest0-21swapper/321:35:583
1752199120,2cyclictest0-21swapper/319:50:003
1752199120,11cyclictest0-21swapper/322:20:363
1752199120,11cyclictest0-21swapper/322:05:193
1752199120,11cyclictest0-21swapper/321:21:073
1752199120,11cyclictest0-21swapper/320:35:123
1752199120,11cyclictest0-21swapper/319:46:083
1752199120,11cyclictest0-21swapper/319:40:193
1752199120,11cyclictest0-21swapper/300:38:183
1752099127,3cyclictest27415-21sendmail-mta20:55:162
1752099120,2cyclictest0-21swapper/222:45:262
1752099120,11cyclictest0-21swapper/220:05:222
1751999129,2cyclictest0-21swapper/123:00:131
1751999129,2cyclictest0-21swapper/119:55:151
1751999121,9cyclictest1404-21munin-node1
1751999121,3cyclictest26686-21munin-node1
1751999121,3cyclictest0-21swapper/120:16:031
1751999120,2cyclictest0-21swapper/120:10:131
1751999120,2cyclictest0-21swapper/119:40:521
1751999120,2cyclictest0-21swapper/100:26:091
1751999120,2cyclictest0-21swapper/100:17:331
1751999120,2cyclictest0-21swapper/100:11:051
1751999120,11cyclictest0-21swapper/123:50:181
1751999120,11cyclictest0-21swapper/123:25:211
1751999120,11cyclictest0-21swapper/120:20:191
1751999120,11cyclictest0-21swapper/119:20:161
1751999120,11cyclictest0-21swapper/100:07:141
1751899129,2cyclictest0-21swapper/019:15:170
1751899129,2cyclictest0-21swapper/000:05:200
1751899127,3cyclictest20413-21cut20:35:140
1751899127,3cyclictest0-21swapper/019:35:000
1751899123,7cyclictest19524-21apt-get19:15:000
1751899123,5cyclictest14165-21ssh23:06:020
1751899122,8cyclictest22735-21timerwakeupswit22:06:030
1751899122,7cyclictest0-21swapper/021:18:590
1751899122,7cyclictest0-21swapper/020:44:580
1751899122,7cyclictest0-21swapper/020:01:590
1751899122,6cyclictest0-21swapper/020:25:000
1751899122,6cyclictest0-21swapper/019:45:000
1751899122,6cyclictest0-21swapper/019:40:000
1751899122,5cyclictest0-21swapper/021:10:000
1751899120,2cyclictest0-21swapper/021:45:350
1751899120,11cyclictest0-21swapper/023:54:520
1751899120,11cyclictest0-21swapper/000:30:100
1751899120,11cyclictest0-21swapper/000:10:430
109032120,1sleep00-21swapper/023:02:480
258632110,1sleep00-21swapper/021:35:170
1752199118,2cyclictest0-21swapper/319:25:493
1752199118,2cyclictest0-21swapper/319:23:273
1752199118,2cyclictest0-21swapper/319:10:183
1752199118,2cyclictest0-21swapper/300:20:153
1752199111,5cyclictest0-21swapper/319:39:593
1752199110,7cyclictest0-21swapper/321:00:583
1752199110,2cyclictest213332chrt19:17:073
1752199110,10cyclictest0-21swapper/321:06:083
1752199110,10cyclictest0-21swapper/320:40:183
1752199110,10cyclictest0-21swapper/319:34:173
1752099110,10cyclictest0-21swapper/219:57:312
1751999118,2cyclictest0-21swapper/121:00:141
1751999117,2cyclictest0-21swapper/120:35:101
1751999116,3cyclictest0-21swapper/120:45:161
1751999111,8cyclictest0-21swapper/120:40:151
1751999111,8cyclictest0-21swapper/119:45:171
1751999111,8cyclictest0-21swapper/119:10:191
1751999110,9cyclictest0-21swapper/120:05:211
1751899118,2cyclictest0-21swapper/020:51:050
1751899112,6cyclictest0-21swapper/023:36:590
1751899112,5cyclictest0-21swapper/019:55:000
1751899111,8cyclictest21446-21apt-get23:15:100
1751899111,6cyclictest0-21swapper/019:21:010
1751899111,3cyclictest3010-21apt-get22:55:100
1751899111,3cyclictest25602-21munin-run19:29:590
1751899111,3cyclictest12145-21fschecks_time20:15:140
1751899111,3cyclictest0-21swapper/019:45:190
1751899110,3cyclictest21151-21sort23:15:000
1751899110,10cyclictest0-21swapper/021:51:060
1752199107,2cyclictest0-21swapper/320:15:343
1752199107,2cyclictest0-21swapper/320:10:183
1752199101,5cyclictest27553-21munin-run20:55:003
1752199100,9cyclictest0-21swapper/320:34:423
1752199100,2cyclictest0-21swapper/320:57:163
1751899105,3cyclictest27983-21wc20:55:140
1751899105,3cyclictest2433-21cat21:10:210
1751899105,3cyclictest2433-21cat21:10:210
1751899105,3cyclictest0-21swapper/021:05:010
1751899101,3cyclictest20237-21ssh21:30:100
1751899101,3cyclictest0-21swapper/023:24:280
1751899101,3cyclictest0-21swapper/020:05:180
1751899100,9cyclictest0-21swapper/019:54:210
1751899100,8cyclictest0-21swapper/020:20:190
1751899100,2cyclictest30728-21apt-get22:50:150
150042100,1sleep00-21swapper/022:32:540
13482100,1sleep00-21swapper/021:44:360
112412100,1sleep00-21swapper/020:12:590
175189994,3cyclictest16216-21ssh22:00:040
175189991,6cyclictest0-21swapper/021:55:160
175219983,3cyclictest2849-21rs:main3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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