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2026-06-30 - 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 all highest latencies:
System rack3slot6s.osadl.org (updated Tue Jun 30, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290782119108,6sleep20-21swapper/219:06:522
29310211692,19sleep00-21swapper/019:09:510
29308210897,6sleep30-21swapper/319:09:503
29082210587,13sleep10-21swapper/119:06:551
76522870,0sleep10-21swapper/121:00:011
114632690,0sleep00-21swapper/022:55:140
88712660,0sleep30-21swapper/321:41:033
290512270,2sleep02934899cyclictest21:28:280
45872240,0sleep20-21swapper/222:47:402
2935099202,16cyclictest0-21swapper/200:18:012
29350992017,2cyclictest5756-21kworker/u8:021:02:042
29350992017,2cyclictest22357-21kworker/u8:020:43:052
29350992017,2cyclictest17355-21kworker/u8:120:13:042
29350992017,2cyclictest1664-21kworker/u8:120:52:012
29350992017,2cyclictest1664-21kworker/u8:120:52:012
2935099200,3cyclictest0-21swapper/223:29:042
29351991916,2cyclictest13978-21kworker/u8:100:12:053
29350991916,2cyclictest830-21kworker/u8:219:30:042
29350991916,2cyclictest830-21kworker/u8:219:22:042
29350991916,2cyclictest24582-21kworker/u8:121:29:042
29350991916,2cyclictest22357-21kworker/u8:020:25:052
29350991916,2cyclictest17355-21kworker/u8:120:19:052
29350991916,2cyclictest17355-21kworker/u8:120:08:042
29350991916,2cyclictest10616-21kworker/u8:119:48:042
29348991916,2cyclictest7247-21kworker/u8:223:29:050
29348991916,2cyclictest19980-21kworker/u8:023:22:040
29351991815,2cyclictest2084-21kworker/u8:100:00:043
29351991815,2cyclictest13624-21kworker/u8:122:58:053
2935099183,13cyclictest0-21swapper/223:56:012
29350991815,2cyclictest830-21kworker/u8:219:59:042
29350991815,2cyclictest7783-21kworker/u8:000:09:042
29350991815,2cyclictest29665-21kworker/u8:019:15:042
29350991815,2cyclictest26037-21kworker/u8:123:37:052
29350991815,2cyclictest22357-21kworker/u8:020:45:052
29350991815,2cyclictest22357-21kworker/u8:020:45:042
29350991815,2cyclictest18092-21kworker/u8:021:46:052
29350991815,2cyclictest18092-21kworker/u8:021:42:052
29350991815,2cyclictest13978-21kworker/u8:100:34:042
29350991815,2cyclictest10616-21kworker/u8:119:53:052
2935099180,17cyclictest0-21swapper/221:36:052
29348991815,2cyclictest6750-21kworker/u8:222:17:040
29351991714,2cyclictest7247-21kworker/u8:223:28:043
29351991714,2cyclictest32264-21kworker/u8:022:14:043
2935199171,3cyclictest19610-21entropy00:15:113
2935199171,3cyclictest0-21swapper/321:45:123
2935099172,2cyclictest0-21swapper/222:07:052
29350991714,2cyclictest7374-21kworker/u8:121:58:052
29350991714,2cyclictest32264-21kworker/u8:022:10:042
29350991714,2cyclictest18092-21kworker/u8:021:16:042
29350991714,2cyclictest17355-21kworker/u8:120:34:042
2935099171,14cyclictest19401-21runrttasks23:04:362
2935099170,2cyclictest0-21swapper/222:36:052
2935099170,15cyclictest0-21swapper/222:27:042
29349991713,3cyclictest3127-21nscd21:15:091
88802160,1sleep12934999cyclictest22:16:351
2935199161,3cyclictest29597-21ssh22:05:063
2935199161,3cyclictest22392-21ssh21:56:033
29351991613,2cyclictest30300-21kworker/u8:221:36:013
29351991613,2cyclictest18092-21kworker/u8:021:33:053
2935199161,13cyclictest9375-21ssh22:53:043
2935099162,2cyclictest0-21swapper/223:51:042
29350991613,2cyclictest22366-21kworker/u8:122:51:042
29350991613,2cyclictest13978-21kworker/u8:100:25:042
2935099161,2cyclictest0-21swapper/222:40:042
2935099160,2cyclictest0-21swapper/222:19:042
29348991613,2cyclictest18794-21kworker/u8:000:18:010
29348991613,2cyclictest18654-21kworker/u8:323:43:040
29351991512,2cyclictest22357-21kworker/u8:020:44:013
29351991512,2cyclictest19980-21kworker/u8:023:09:043
29351991512,2cyclictest17355-21kworker/u8:120:15:043
29351991512,2cyclictest13978-21kworker/u8:100:32:043
29351991512,2cyclictest0-21swapper/319:40:013
29351991511,3cyclictest18092-21kworker/u8:021:26:013
2935199151,12cyclictest6264-21apt-get22:15:043
2935199151,12cyclictest0-21swapper/322:30:133
2935199150,3cyclictest3151-21nscd23:00:113
2935199150,13cyclictest0-21swapper/323:50:113
2935099152,2cyclictest0-21swapper/223:46:052
29350991512,2cyclictest1664-21kworker/u8:121:08:062
2935099150,2cyclictest0-21swapper/223:32:042
2935099150,2cyclictest0-21swapper/223:12:052
2935099150,2cyclictest0-21swapper/222:32:022
2935099150,2cyclictest0-21swapper/219:12:052
2935099150,2cyclictest0-21swapper/200:39:052
2934999150,13cyclictest0-21swapper/122:20:491
2934999150,13cyclictest0-21swapper/100:20:131
29348991512,2cyclictest30300-21kworker/u8:221:36:050
29348991512,2cyclictest17051-21kworker/u8:022:36:060
29348991512,2cyclictest14076-21kworker/u8:221:47:050
29348991511,2cyclictest25451-21kworker/u8:222:07:040
2935199149,3cyclictest18164-21switchtime21:16:063
29351991411,2cyclictest25404-21munin-node3
29351991411,2cyclictest0-21swapper/323:10:013
29351991411,2cyclictest0-21swapper/300:23:333
2935199140,2cyclictest22185-21ssh23:42:133
2935199140,2cyclictest0-21swapper/323:56:023
2935199140,2cyclictest0-21swapper/323:16:113
2935199140,13cyclictest0-21swapper/322:45:013
2935199140,13cyclictest0-21swapper/322:28:413
2935199140,13cyclictest0-21swapper/321:20:013
2935199140,12cyclictest0-21swapper/323:45:233
2935199140,12cyclictest0-21swapper/321:50:023
2935199140,12cyclictest0-21swapper/321:12:323
2935199140,12cyclictest0-21swapper/320:20:153
2935199140,12cyclictest0-21swapper/300:05:223
29350991411,2cyclictest830-21kworker/u8:219:38:062
29350991411,2cyclictest14076-21kworker/u8:221:51:042
2935099141,11cyclictest12183-21ntp_states22:20:172
2935099140,3cyclictest12803-21needreboot21:10:172
2935099140,2cyclictest0-21swapper/219:43:042
2935099140,13cyclictest11588-21diskmemload23:05:162
2935099140,13cyclictest11588-21diskmemload00:12:172
2935099140,13cyclictest0-21swapper/223:20:172
29349991411,2cyclictest830-21kworker/u8:219:40:011
29349991411,2cyclictest0-21swapper/122:49:191
29349991411,2cyclictest0-21swapper/121:57:391
2934999140,13cyclictest0-21swapper/121:11:101
2934999140,12cyclictest0-21swapper/122:35:001
2934999140,12cyclictest0-21swapper/121:23:391
2934999140,12cyclictest0-21swapper/120:30:171
2934999140,12cyclictest0-21swapper/119:55:161
2934999140,12cyclictest0-21swapper/119:50:121
2934999140,12cyclictest0-21swapper/119:20:311
2934999140,12cyclictest0-21swapper/100:01:011
29348991411,2cyclictest7374-21kworker/u8:121:55:050
29348991411,2cyclictest2084-21kworker/u8:123:56:010
29348991411,2cyclictest17355-21kworker/u8:120:11:040
29348991411,2cyclictest11901-21kworker/u8:221:15:040
29348991411,2cyclictest10616-21kworker/u8:119:46:040
29348991411,2cyclictest0-21swapper/023:49:250
29348991411,2cyclictest0-21swapper/023:12:260
29348991411,2cyclictest0-21swapper/021:40:050
29348991411,2cyclictest0-21swapper/000:34:350
29348991411,2cyclictest0-21swapper/000:20:550
29348991410,2cyclictest24096-21kworker/u8:023:51:050
2934899140,2cyclictest11588-21diskmemload22:25:350
2934899140,2cyclictest0-21swapper/023:16:110
2934899140,2cyclictest0-21swapper/022:22:160
2934899140,2cyclictest0-21swapper/000:08:450
2934899140,13cyclictest23492-21ssh22:32:550
2934899140,13cyclictest0-21swapper/021:53:350
2934899140,13cyclictest0-21swapper/000:27:060
2934899140,12cyclictest2765-21apt-get19:25:130
29351991310,2cyclictest7374-21kworker/u8:122:21:043
29351991310,2cyclictest5756-21kworker/u8:021:03:043
29351991310,2cyclictest29665-21kworker/u8:019:18:043
29351991310,2cyclictest17355-21kworker/u8:120:27:053
29351991310,2cyclictest17355-21kworker/u8:120:14:053
29351991310,2cyclictest15057-21kworker/u8:023:38:043
29351991310,2cyclictest0-21swapper/321:05:193
2935199130,12cyclictest0-21swapper/319:25:143
2935099132,2cyclictest0-21swapper/223:43:042
29350991310,2cyclictest0-21swapper/222:01:592
29350991310,2cyclictest0-21swapper/221:31:012
2935099130,2cyclictest274-21jbd2/sda1-800:20:262
2935099130,2cyclictest0-21swapper/222:56:032
2935099130,12cyclictest0-21swapper/200:01:022
29349991310,2cyclictest19980-21kworker/u8:023:23:041
29349991310,2cyclictest18654-21kworker/u8:323:40:041
29349991310,2cyclictest17355-21kworker/u8:120:16:051
29349991310,2cyclictest11588-21diskmemload00:17:191
29349991310,2cyclictest0-21swapper/123:57:191
29349991310,2cyclictest0-21swapper/123:35:211
29349991310,2cyclictest0-21swapper/123:05:371
29349991310,2cyclictest0-21swapper/122:50:001
29349991310,2cyclictest0-21swapper/122:41:381
29349991310,2cyclictest0-21swapper/121:45:591
29349991310,2cyclictest0-21swapper/121:37:181
29349991310,2cyclictest0-21swapper/120:25:131
29349991310,2cyclictest0-21swapper/119:30:291
29349991310,2cyclictest0-21swapper/100:25:581
2934999130,2cyclictest0-21swapper/122:56:451
2934999130,2cyclictest0-21swapper/121:54:191
2934999130,2cyclictest0-21swapper/120:20:521
2934999130,12cyclictest0-21swapper/123:54:591
2934999130,12cyclictest0-21swapper/123:15:291
2934999130,12cyclictest0-21swapper/123:14:401
2934999130,12cyclictest0-21swapper/122:30:161
2934999130,12cyclictest0-21swapper/122:27:381
2934999130,12cyclictest0-21swapper/122:11:381
2934999130,12cyclictest0-21swapper/122:05:201
2934999130,12cyclictest0-21swapper/122:00:161
2934999130,12cyclictest0-21swapper/121:40:501
2934999130,12cyclictest0-21swapper/120:40:201
2934999130,11cyclictest31665-21sh21:30:471
2934999130,11cyclictest0-21swapper/100:30:291
2934999130,11cyclictest0-21swapper/100:09:251
29348991310,2cyclictest830-21kworker/u8:219:38:010
29348991310,2cyclictest8029-21kworker/u8:000:38:040
29348991310,2cyclictest32264-21kworker/u8:022:13:050
29348991310,2cyclictest31674-21kworker/u8:220:47:040
29348991310,2cyclictest31674-21kworker/u8:220:47:040
29348991310,2cyclictest29665-21kworker/u8:019:14:040
29348991310,2cyclictest26037-21kworker/u8:123:32:040
29348991310,2cyclictest22366-21kworker/u8:122:40:040
29348991310,2cyclictest22357-21kworker/u8:020:23:040
29348991310,2cyclictest0-21swapper/000:01:000
2934899130,2cyclictest0-21swapper/023:04:060
2934899130,2cyclictest0-21swapper/022:45:110
2934899130,2cyclictest0-21swapper/021:11:030
2934899130,12cyclictest0-21swapper/022:52:450
2934899130,12cyclictest0-21swapper/021:33:050
279402130,3sleep327942-21munin-node3
2935199129,2cyclictest5756-21kworker/u8:020:59:043
2935199129,2cyclictest17355-21kworker/u8:120:03:053
2935199129,2cyclictest10616-21kworker/u8:119:51:043
2935199129,2cyclictest0-21swapper/322:35:393
2935199129,2cyclictest0-21swapper/319:20:423
2935199129,2cyclictest0-21swapper/300:27:043
2935199120,2cyclictest0-21swapper/300:37:553
2935199120,11cyclictest0-21swapper/322:40:163
2935099129,2cyclictest0-21swapper/223:15:342
2935099120,2cyclictest0-21swapper/220:35:132
2935099120,11cyclictest0-21swapper/220:20:182
2934999129,2cyclictest31674-21kworker/u8:220:46:051
2934999129,2cyclictest31674-21kworker/u8:220:46:041
2934999129,2cyclictest11592-21munin-run21:10:011
2934999129,2cyclictest0-21swapper/123:26:511
2934999129,2cyclictest0-21swapper/119:15:201
2934999121,9cyclictest10619-21munin-node1
29349991210,1cyclictest0-21swapper/123:00:131
2934999120,2cyclictest0-21swapper/120:05:171
2934999120,2cyclictest0-21swapper/100:12:051
2934999120,1cyclictest0-21swapper/123:49:581
2934999120,1cyclictest0-21swapper/123:31:371
2934999120,11cyclictest0-21swapper/120:10:391
2934899129,2cyclictest830-21kworker/u8:219:42:050
2934899129,2cyclictest17355-21kworker/u8:120:05:050
2934899129,2cyclictest10616-21kworker/u8:119:55:040
2934899129,2cyclictest0-21swapper/019:50:160
2934899120,2cyclictest0-21swapper/022:02:320
2934899120,11cyclictest11588-21diskmemload23:06:260
2934899120,11cyclictest0-21swapper/021:05:130
2934899120,11cyclictest0-21swapper/020:55:140
2934899120,11cyclictest0-21swapper/020:40:160
2934899120,11cyclictest0-21swapper/000:12:160
271432120,2sleep10-21swapper/121:26:021
210432120,3sleep20-21swapper/221:20:112
2935199118,2cyclictest31674-21kworker/u8:220:48:053
2935199118,2cyclictest31674-21kworker/u8:220:48:043
2935199118,2cyclictest17355-21kworker/u8:120:39:053
2935199118,2cyclictest17355-21kworker/u8:120:09:043
2935199118,2cyclictest0-21swapper/323:30:493
2935199118,2cyclictest0-21swapper/323:20:193
2935199118,2cyclictest0-21swapper/319:30:163
2935199110,10cyclictest0-21swapper/319:39:403
2934999118,2cyclictest830-21kworker/u8:219:25:051
2934999118,2cyclictest5098-21kworker/u8:019:36:061
2934999118,2cyclictest17355-21kworker/u8:120:36:051
2934999118,2cyclictest0-21swapper/120:00:131
2934999118,2cyclictest0-21swapper/100:36:051
2934899118,2cyclictest830-21kworker/u8:219:21:040
2934899118,2cyclictest5098-21kworker/u8:019:33:040
2934899118,2cyclictest17355-21kworker/u8:120:35:040
2934899118,2cyclictest17355-21kworker/u8:120:33:050
2934899118,2cyclictest0-21swapper/021:21:160
2934899118,2cyclictest0-21swapper/020:15:140
2934899112,3cyclictest18051-21cron20:05:000
2935199107,2cyclictest14130-21kworker/u8:219:10:023
2935099105,3cyclictest3370-21grep19:25:162
2934999107,2cyclictest0-21swapper/121:00:501
2934999107,2cyclictest0-21swapper/120:50:051
2934999107,2cyclictest0-21swapper/120:50:051
2934999106,2cyclictest29838-21cpuspeed_turbos19:10:131
2934899107,2cyclictest29665-21kworker/u8:019:16:020
293519996,2cyclictest0-21swapper/320:50:023
293519996,2cyclictest0-21swapper/320:50:013
293519990,8cyclictest0-21swapper/319:45:023
293509994,3cyclictest6024-21cpuspeed_turbos20:55:142
293509991,3cyclictest16574-21df20:00:152
293489996,2cyclictest0-21swapper/023:35:120
293489994,3cyclictest5060-21grep20:51:050
293489994,3cyclictest5060-21grep20:51:040
293519981,6cyclictest15627-21grep19:56:023
293489985,2cyclictest0-21swapper/020:25:150
293489981,6cyclictest8735-21processes21:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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