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2026-05-13 - 23:41

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #4

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.

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 rackeslot4s.osadl.org (updated Wed May 13, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
561981996964,3cyclictest805286-21gpgv11:04:592
561981996457,5cyclictest758776-21latency_hist10:20:012
561984995551,3cyclictest821422-21kworker/u8:0+flush-259:011:50:233
561981995350,2cyclictest816016-21kworker/u8:2+flush-259:012:35:012
561981995046,3cyclictest769310-21kworker/u8:0+flush-259:011:05:242
561979995044,3cyclictest252-21systemd-journal10:54:441
561984994842,4cyclictest680901-21gpgv09:05:003
561979994840,5cyclictest252-21systemd-journal10:30:011
561981994743,3cyclictest769310-21kworker/u8:0+flush-259:010:40:442
56198199470,45cyclictest1-21systemd08:04:592
561984994639,5cyclictest674787-21ntpq08:55:223
561979994639,5cyclictest847118-21latency_hist11:45:011
561981994540,3cyclictest821422-21kworker/u8:0+flush-259:011:50:212
561981994441,2cyclictest798991-21kworker/u8:1+events_unbound10:55:232
561981994441,2cyclictest587688-21kworker/u8:3+events_unbound08:14:342
561981994339,3cyclictest649933-21kworker/u8:0+events_unbound09:30:002
561979994337,4cyclictest816016-21kworker/u8:2+flush-259:011:54:591
561984994237,4cyclictest805194-21gpgv11:05:003
561981994239,2cyclictest857885-21kworker/u8:3+flush-259:012:15:212
561981994237,3cyclictest252-21systemd-journal09:16:442
561974994238,3cyclictest857885-21kworker/u8:3+flush-259:012:15:010
561981994138,2cyclictest649933-21kworker/u8:0+flush-259:008:55:202
561981994038,2cyclictest798991-21kworker/u8:1+flush-259:011:30:242
561974994034,4cyclictest810802-21cat11:10:000
561974994033,5cyclictest676071-21diskstats09:00:140
561984993935,3cyclictest649933-21kworker/u8:0+events_unbound09:30:033
561981993936,2cyclictest857885-21kworker/u8:3+flush-259:012:00:212
561974993936,2cyclictest727726-21kworker/u8:2+events_unbound09:55:210
561974993935,3cyclictest769310-21kworker/u8:0+flush-259:011:10:170
561974993935,3cyclictest727726-21kworker/u8:2+events_unbound09:48:430
561981993835,2cyclictest789442-21kworker/u8:3+events_unbound10:48:432
561981993834,3cyclictest556567-21kworker/u8:1+events_unbound08:15:432
561974993834,3cyclictest587688-21kworker/u8:3+events_unbound08:12:430
561974993834,3cyclictest556567-21kworker/u8:1+events_unbound07:56:440
561974993831,5cyclictest654136-21ntpq08:35:180
561984993730,5cyclictest888784-21latency_hist12:25:013
561981993733,3cyclictest252-21systemd-journal10:24:422
561981993732,4cyclictest893999-21gpgv12:30:012
561974993733,3cyclictest816016-21kworker/u8:2+events_unbound12:32:440
561974993733,3cyclictest800183-21apt-get11:00:120
561974993733,3cyclictest587688-21kworker/u8:3+flush-259:008:20:250
561974993730,5cyclictest799062-21ntpq10:55:200
56197499370,35cyclictest1-21systemd12:20:000
561984993632,3cyclictest649933-21kworker/u8:0+events_unbound08:53:463
561984993631,3cyclictest851777-21ntpq11:45:203
561984993630,4cyclictest252-21systemd-journal10:45:003
561981993632,3cyclictest816016-21kworker/u8:2+flush-259:011:40:002
561979993631,4cyclictest816016-21kworker/u8:2+flush-259:011:30:001
561979993631,4cyclictest816016-21kworker/u8:2+flush-259:011:29:591
561974993632,3cyclictest695745-21ntpq09:15:220
561974993632,3cyclictest649933-21kworker/u8:0+events_unbound08:45:440
561981993532,2cyclictest649933-21kworker/u8:0+flush-259:009:20:222
561979993529,4cyclictest904698-21apt-get12:40:011
561974993532,2cyclictest727726-21kworker/u8:2+events_unbound10:06:440
561984993431,2cyclictest769310-21kworker/u8:0+events_unbound11:08:443
561984993431,2cyclictest738202-21kworker/u8:0+events_unbound10:13:433
561981993431,2cyclictest556567-21kworker/u8:1+flush-259:007:55:222
561984993330,2cyclictest763928-21kworker/u8:1+events_unbound10:30:013
561981993330,2cyclictest2689394-21kworker/u8:0+events_unbound07:25:182
561981993329,3cyclictest649933-21kworker/u8:0+events_unbound09:05:152
561981993329,3cyclictest252-21systemd-journal11:19:592
561981993323,3cyclictest696675-21kworker/u8:3+events_unbound10:05:212
561979993325,5cyclictest582503-21latency_hist07:30:021
561974993330,2cyclictest587688-21kworker/u8:3+flush-259:007:50:000
561974993329,3cyclictest696675-21kworker/u8:3+events_unbound09:54:570
561974993329,3cyclictest556567-21kworker/u8:1+flush-259:007:30:000
561984993229,2cyclictest816016-21kworker/u8:2+flush-259:011:15:223
561981993229,2cyclictest659986-21kworker/u8:2+flush-259:008:44:592
561981993229,2cyclictest649933-21kworker/u8:0+events_unbound08:45:232
561981993229,2cyclictest556567-21kworker/u8:1+flush-259:007:45:442
561981993228,3cyclictest649933-21kworker/u8:0+events_unbound09:10:212
561981993227,3cyclictest252-21systemd-journal12:36:432
561974993228,3cyclictest727726-21kworker/u8:2+events_unbound10:10:020
561974993228,3cyclictest556567-21kworker/u8:1+events_unbound09:05:420
561984993128,2cyclictest717271-21kworker/u8:1+events_unbound09:45:223
561984993127,3cyclictest899275-21kworker/u8:4+events_unbound12:33:443
561984993127,3cyclictest587688-21kworker/u8:3+events_unbound07:59:343
561981993128,2cyclictest696675-21kworker/u8:3+flush-259:010:00:212
561981993128,2cyclictest680812-21gpgv09:05:002
561979993126,4cyclictest816454-21apt-get11:15:111
561979993125,4cyclictest696675-21kworker/u8:3+flush-259:010:00:161
561979993125,3cyclictest779351-21latency_hist10:40:001
561974993128,2cyclictest769310-21kworker/u8:0+flush-259:010:40:230
561984993027,2cyclictest857885-21kworker/u8:3+flush-259:012:25:163
561984993027,2cyclictest763928-21kworker/u8:1+flush-259:010:30:213
561984993026,3cyclictest556567-21kworker/u8:1+events_unbound08:49:433
561974993026,3cyclictest857885-21kworker/u8:3+flush-259:012:25:210
561974993026,3cyclictest857885-21kworker/u8:3+events_unbound11:56:450
561974993026,3cyclictest686392-21kworker/u8:2+events_unbound09:20:010
561984992926,2cyclictest816016-21kworker/u8:2+events_unbound11:40:203
561984992925,3cyclictest878213-21kworker/u8:0+events_unbound12:17:443
561984992924,3cyclictest252-21systemd-journal07:22:433
561984992923,5cyclictest252-21systemd-journal08:04:593
561981992926,2cyclictest857885-21kworker/u8:3+events_unbound12:20:222
561979992925,3cyclictest556567-21kworker/u8:1+flush-259:009:05:101
561974992926,2cyclictest899275-21kworker/u8:4+events_unbound12:35:130
561974992925,3cyclictest722361-21latency_hist09:45:010
561974992925,3cyclictest686392-21kworker/u8:2+events_unbound09:29:450
561974992922,5cyclictest716318-21ntpq09:35:210
561984992825,2cyclictest763928-21kworker/u8:1+flush-259:010:35:203
561984992824,3cyclictest727726-21kworker/u8:2+flush-259:009:55:253
561984992823,4cyclictest645057-21apt-get08:30:113
561981992825,2cyclictest816016-21kworker/u8:2+flush-259:011:40:242
561981992825,2cyclictest763928-21kworker/u8:1+flush-259:010:25:442
561981992825,2cyclictest696675-21kworker/u8:3+flush-259:009:55:002
561981992825,2cyclictest2689394-21kworker/u8:0+events_unbound07:15:142
561979992822,4cyclictest868425-21apt-get12:05:111
561979992822,4cyclictest810629-21apt-get11:10:001
561974992825,3cyclictest649933-21kworker/u8:0+events_unbound08:43:440
561974992822,4cyclictest690602-21ntpq09:10:210
561981992724,2cyclictest779376-21kworker/u8:2+flush-259:010:50:192
561979992720,5cyclictest763915-21latency_hist10:25:011
561984992623,2cyclictest556567-21kworker/u8:1+events_unbound08:40:193
561984992622,3cyclictest587688-21kworker/u8:3+flush-259:008:35:133
561981992623,2cyclictest556567-21kworker/u8:1+flush-259:007:35:152
561981992622,3cyclictest556567-21kworker/u8:1+events_unbound08:30:202
56197999260,24cyclictest1-21systemd12:00:251
561974992623,2cyclictest2689394-21kworker/u8:0+flush-259:007:20:270
561974992620,4cyclictest793945-21ntpq10:50:200
561974992619,5cyclictest768169-21ntpq10:25:200
561984992521,3cyclictest798991-21kworker/u8:1+events_unbound11:36:453
561984992519,4cyclictest868158-21latency_hist12:05:013
561981992522,2cyclictest769310-21kworker/u8:0+flush-259:011:10:242
561981992522,2cyclictest727726-21kworker/u8:2+events_unbound10:10:182
561981992522,2cyclictest587688-21kworker/u8:3+flush-259:008:20:222
561981992522,2cyclictest587688-21kworker/u8:3+events_unbound08:29:432
561979992521,3cyclictest816016-21kworker/u8:2+flush-259:011:35:181
561974992523,2cyclictest816016-21kworker/u8:2+flush-259:012:25:010
561974992521,3cyclictest670749-21apt-get08:55:100
561974992520,4cyclictest669617-21ntpq08:50:210
561984992421,2cyclictest868184-21kworker/u8:1+flush-259:012:05:163
561981992421,2cyclictest727726-21kworker/u8:2+events_unbound09:56:442
561981992418,4cyclictest722356-21apt-get09:45:002
561979992418,4cyclictest587688-21kworker/u8:3+flush-259:008:10:161
561979992417,5cyclictest509-21rs:main1
561974992420,3cyclictest587688-21kworker/u8:3+events_unbound08:26:440
561984992320,2cyclictest587688-21kworker/u8:3+flush-259:007:50:223
561984992319,3cyclictest868184-21kworker/u8:1+events_unbound12:10:213
561984992319,3cyclictest763928-21kworker/u8:1+events_unbound10:46:453
561981992320,2cyclictest727726-21kworker/u8:2+events_unbound10:30:052
561981992319,3cyclictest868184-21kworker/u8:1+events_unbound12:06:442
561981992319,3cyclictest816016-21kworker/u8:2+flush-259:011:20:182
561979992318,3cyclictest686392-21kworker/u8:2+flush-259:009:25:161
561979992318,3cyclictest629596-21apt-get08:15:111
561974992320,2cyclictest816016-21kworker/u8:2+flush-259:011:25:210
561974992320,2cyclictest816016-21kworker/u8:2+flush-259:011:25:200
561974992320,2cyclictest587688-21kworker/u8:3+flush-259:008:15:210
561984992219,2cyclictest779376-21kworker/u8:2+flush-259:010:54:593
561984992219,2cyclictest738202-21kworker/u8:0+events_unbound10:15:163
561984992219,2cyclictest696675-21kworker/u8:3+events_unbound09:35:153
561984992219,2cyclictest649933-21kworker/u8:0+events_unbound09:14:453
561984992219,2cyclictest2689394-21kworker/u8:0+flush-259:007:30:263
561984992218,3cyclictest587688-21kworker/u8:3+events_unbound08:09:443
561984992217,3cyclictest597135-21ntpq07:40:223
561981992219,2cyclictest649933-21kworker/u8:0+flush-259:009:30:182
561981992219,2cyclictest587688-21kworker/u8:3+events_unbound08:35:232
561981992217,3cyclictest556567-21kworker/u8:1+events_unbound07:42:442
561979992217,3cyclictest738202-21kworker/u8:0+flush-259:010:10:161
561979992216,4cyclictest798991-21kworker/u8:1+flush-259:011:25:001
561979992215,5cyclictest893113-21ntpq12:25:211
561984992118,2cyclictest816016-21kworker/u8:2+events_unbound11:30:183
561984992118,2cyclictest816016-21kworker/u8:2+events_unbound11:21:443
561984992118,2cyclictest556567-21kworker/u8:1+flush-259:007:15:203
561984992117,3cyclictest816016-21kworker/u8:2+events_unbound11:26:443
561984992117,3cyclictest816016-21kworker/u8:2+events_unbound11:26:433
561984992117,3cyclictest649933-21kworker/u8:0+flush-259:009:20:243
561981992118,2cyclictest717271-21kworker/u8:1+events_unbound09:45:022
561981992117,3cyclictest763928-21kworker/u8:1+events_unbound10:39:432
561981992116,3cyclictest868184-21kworker/u8:1+flush-259:012:10:202
561981992116,3cyclictest587688-21kworker/u8:3+flush-259:007:50:232
561981992114,5cyclictest863028-21latency_hist12:00:012
561974992118,2cyclictest769310-21kworker/u8:0+events_unbound10:30:100
561974992118,2cyclictest2971-21cron12:10:000
561974992117,3cyclictest2689394-21kworker/u8:0+events_unbound07:10:240
561974992116,4cyclictest789619-21latency_hist10:50:010
561974992114,5cyclictest851758-21ntpq11:45:200
561984992017,2cyclictest857885-21kworker/u8:3+flush-259:012:00:003
561984992016,3cyclictest727726-21kworker/u8:2+events_unbound10:20:203
561984992016,3cyclictest587688-21kworker/u8:3+events_unbound08:10:233
561979992015,4cyclictest717271-21kworker/u8:1+flush-259:009:45:251
561979992014,4cyclictest655286-21/usr/sbin/munin08:40:141
561979992014,4cyclictest639896-21apt-get08:25:111
561979992014,4cyclictest252-21systemd-journal12:34:431
561984991916,2cyclictest769310-21kworker/u8:0+events_unbound11:10:233
561984991915,3cyclictest899275-21kworker/u8:4+events_unbound12:35:163
56197999191,16cyclictest1-21systemd07:48:431
561974991916,2cyclictest816016-21kworker/u8:2+events_unbound12:00:110
561974991916,2cyclictest649933-21kworker/u8:0+events_unbound09:30:220
561974991916,2cyclictest587688-21kworker/u8:3+events_unbound08:05:130
561974991915,3cyclictest598105-21gpgv07:45:000
561984991814,3cyclictest509-21rs:main3
561981991815,3cyclictest2689394-21kworker/u8:0+flush-259:007:20:282
561981991815,2cyclictest2695987-21kworker/u8:5+events_unbound07:14:242
561981991814,3cyclictest798991-21kworker/u8:1+flush-259:011:45:262
561979991815,2cyclictest733748-21irqcore09:55:171
561979991813,4cyclictest556567-21kworker/u8:1+flush-259:007:56:151
561979991812,4cyclictest811317-21apt-get11:10:141
561979991811,4cyclictest733055-21latency_hist09:55:001
561979991810,5cyclictest722626-21cat09:45:011
561974991815,2cyclictest567324-21apt-get07:15:110
561974991814,3cyclictest816016-21kworker/u8:2+events_unbound11:50:150
561974991814,3cyclictest816016-21kworker/u8:2+events_unbound11:39:440
561984991714,2cyclictest728597-21irqcore09:50:153
561984991714,2cyclictest696675-21kworker/u8:3+flush-259:010:05:223
561984991713,3cyclictest696675-21kworker/u8:3+flush-259:010:05:013
561984991713,3cyclictest587688-21kworker/u8:3+flush-259:007:50:003
561984991713,3cyclictest2695987-21kworker/u8:5+events_unbound07:10:203
561981991714,2cyclictest2689394-21kworker/u8:0+events_unbound07:30:212
561974991714,2cyclictest798991-21kworker/u8:1+flush-259:011:15:190
561974991714,2cyclictest798991-21kworker/u8:1+events_unbound11:30:260
561974991714,2cyclictest696675-21kworker/u8:3+events_unbound10:00:160
561974991713,3cyclictest816016-21kworker/u8:2+flush-259:011:40:240
561984991612,3cyclictest649933-21kworker/u8:0+flush-259:009:05:213
561984991612,2cyclictest798991-21kworker/u8:1+flush-259:011:00:003
561981991613,2cyclictest816016-21kworker/u8:2+flush-259:011:25:242
561981991613,2cyclictest816016-21kworker/u8:2+flush-259:011:25:242
561981991613,2cyclictest587688-21kworker/u8:3+flush-259:008:05:202
561981991610,4cyclictest696675-21kworker/u8:3+events_unbound09:35:122
56197999169,4cyclictest649910-21latency_hist08:35:001
561979991613,2cyclictest556567-21kworker/u8:1+flush-259:008:04:131
561979991612,3cyclictest649933-21kworker/u8:0+flush-259:009:38:481
561979991611,3cyclictest649933-21kworker/u8:0+flush-259:008:55:201
561974991614,1cyclictest60350irq/132-enp0s29f1:rx-010:23:060
561984991512,2cyclictest587688-21kworker/u8:3+flush-259:008:25:243
561984991511,3cyclictest587688-21kworker/u8:3+flush-259:007:39:133
56197999153,6cyclictest863032-21munin-run12:00:001
561979991512,2cyclictest832961-21kthreadcore11:30:171
561979991512,2cyclictest680813-21apt-key09:05:011
561979991510,3cyclictest649933-21kworker/u8:0+flush-259:009:15:061
56197499159,4cyclictest252-21systemd-journal07:55:010
561974991513,2cyclictest61150irq/133-enp0s29f1:tx-007:30:230
561974991411,2cyclictest60350irq/132-enp0s29f1:rx-007:35:240
561974991410,3cyclictest763928-21kworker/u8:1+events_unbound10:35:180
56198499139,3cyclictest686392-21kworker/u8:2+flush-259:009:25:173
56198199139,3cyclictest649933-21kworker/u8:0+events_unbound08:51:492
56197999139,3cyclictest582766-21apt-get07:30:121
56197999139,2cyclictest0-21swapper/108:05:171
56197999137,4cyclictest789442-21kworker/u8:3+flush-259:010:49:591
56197999136,5cyclictest252-21systemd-journal10:10:001
56197999131,11cyclictest878496-21basename12:15:001
561979991310,2cyclictest769429-21cpuspeed_turbos10:30:121
56197999130,4cyclictest784525-21idleruntime-cro10:45:001
561974991312,1cyclictest60350irq/132-enp0s29f1:rx-010:15:410
561974991311,1cyclictest60350irq/132-enp0s29f1:rx-011:20:250
561974991311,1cyclictest60350irq/132-enp0s29f1:rx-008:30:110
561974991310,2cyclictest60350irq/132-enp0s29f1:rx-008:00:190
56198499129,2cyclictest691855-21cpuspeed_turbos09:15:133
561984991210,1cyclictest0-21swapper/308:15:163
56197999129,2cyclictest850085-21kthreadcore11:45:171
56197999129,2cyclictest691053-21unixbench_multi09:10:241
56197999129,2cyclictest0-21swapper/109:30:201
56197999128,3cyclictest701321-21unixbench_multi09:20:241
56197999127,3cyclictest805074-21apt-get11:05:001
56198499118,2cyclictest2689394-21kworker/u8:0+flush-259:007:25:213
56197999115,4cyclictest883892-21seq12:20:121
56197999115,4cyclictest587688-21kworker/u8:3+flush-259:007:55:011
56197999108,1cyclictest795485-21irqcore10:55:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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