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2026-07-07 - 19:56

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 Tue Jul 07, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
496660994741,4cyclictest834692-21latency_hist12:35:000
496660994336,5cyclictest798646-21latency_hist12:00:010
496670993936,2cyclictest463505-21kworker/u8:3+flush-259:008:00:003
496660993832,4cyclictest496864-21/usr/sbin/munin07:10:150
496665993630,5cyclictest773097-21/usr/sbin/munin11:35:122
496662993630,4cyclictest668685-21latency_hist09:55:011
496660993531,3cyclictest463462-21kworker/u8:2+flush-259:007:50:200
496660993530,3cyclictest804044-21apt-get12:05:110
496660993529,4cyclictest335557-21systemd-journal08:01:150
496662993431,2cyclictest335557-21systemd-journal08:14:151
496662993429,3cyclictest565194-21cat08:15:011
496660993429,3cyclictest463462-21kworker/u8:2+flush-259:009:55:220
496665993328,3cyclictest591255-21base6408:40:012
496665993127,3cyclictest463462-21kworker/u8:2+flush-259:007:20:152
496662993024,4cyclictest715031-21ntpq10:35:221
496670992824,3cyclictest463462-21kworker/u8:2+flush-259:010:20:223
496662992825,2cyclictest490-21dbus-daemon10:55:001
496665992721,4cyclictest679190-21gpgv10:05:002
496662992723,3cyclictest335557-21systemd-journal09:16:171
496662992722,4cyclictest548291-21ntpq07:55:201
496660992720,5cyclictest694482-21ntpq10:15:220
496670992623,2cyclictest533855-21kworker/u8:0+flush-259:008:45:183
496660992621,4cyclictest721075-21kworker/u8:1+flush-259:011:20:170
496670992522,2cyclictest616895-21kworker/u8:0+events_unbound09:40:183
496665992520,3cyclictest678676-21kworker/u8:1+events_unbound10:10:002
496660992521,3cyclictest335557-21systemd-journal08:24:260
496670992420,3cyclictest507-21in:imuxsock08:40:003
496670992420,3cyclictest463462-21kworker/u8:2+events_unbound09:20:183
496670992419,4cyclictest585776-21latency_hist08:35:003
496662992421,2cyclictest487026-21kworker/u8:1+events_unbound07:40:171
496670992319,3cyclictest783084-21kworker/u8:3+flush-259:012:40:003
496670992317,4cyclictest653207-21latency_hist09:40:013
496662992320,2cyclictest463462-21kworker/u8:2+flush-259:007:50:211
496662992319,3cyclictest793690-21kworker/u8:4+flush-259:011:55:241
496660992318,3cyclictest533619-21latency_hist07:45:000
496662992219,2cyclictest788258-21cron11:50:011
496662992218,3cyclictest700675-21/usr/sbin/munin10:25:151
496660992218,3cyclictest463462-21kworker/u8:2+flush-259:011:00:000
496665992118,2cyclictest721075-21kworker/u8:1+flush-259:011:10:222
496665992117,3cyclictest501856-21kworker/u8:0+flush-259:007:20:012
496662992118,2cyclictest745795-21kworker/u8:0+flush-259:011:14:531
496662992118,2cyclictest596556-21idleruntime-cro08:44:591
496660992117,3cyclictest463462-21kworker/u8:2+flush-259:007:45:180
496670992011,7cyclictest463462-21kworker/u8:2+flush-259:010:49:483
496670992011,7cyclictest463462-21kworker/u8:2+flush-259:010:49:483
496665992016,3cyclictest819221-21kworker/u8:1+flush-259:012:30:262
496665992014,4cyclictest335557-21systemd-journal07:36:112
496662992015,3cyclictest648302-21apt-get09:35:111
496662992014,4cyclictest335557-21systemd-journal07:25:011
496662991915,3cyclictest700667-21kworker/u8:3+flush-259:010:40:221
496662991914,4cyclictest746645-21latency_hist11:10:011
496660991916,1cyclictest0-21swapper/009:05:000
496660991913,4cyclictest554592-21/usr/sbin/munin08:05:160
496670991814,3cyclictest533855-21kworker/u8:0+flush-259:008:00:163
496670991814,3cyclictest463462-21kworker/u8:2+flush-259:010:00:263
496670991813,4cyclictest679588-21cat10:05:003
496665991814,3cyclictest463505-21kworker/u8:3+flush-259:008:45:262
496665991814,3cyclictest463505-21kworker/u8:3+flush-259:008:29:592
496665991812,4cyclictest824377-21latency_hist12:25:012
49666299181,15cyclictest335557-21systemd-journal11:33:181
496660991815,2cyclictest783084-21kworker/u8:3+flush-259:012:35:190
496660991812,4cyclictest606824-21latency_hist08:55:000
496670991715,1cyclictest596543-21sh08:45:003
496670991715,1cyclictest509111-21kthreadcore07:20:163
496670991714,2cyclictest500-21systemd-logind11:55:013
496670991713,3cyclictest721075-21kworker/u8:1+flush-259:011:30:273
496670991713,3cyclictest502491-21apt-get07:15:133
496665991715,1cyclictest0-21swapper/209:40:012
496665991714,2cyclictest533855-21kworker/u8:0+flush-259:008:05:182
496665991713,3cyclictest721075-21kworker/u8:1+flush-259:011:40:102
496665991713,3cyclictest549406-21kworker/u8:1+flush-259:008:10:162
496665991712,4cyclictest335557-21systemd-journal10:15:002
496662991713,3cyclictest745795-21kworker/u8:0+flush-259:011:15:231
496662991713,3cyclictest679014-21gpgv10:05:001
496662991713,3cyclictest601347-21kworker/u8:1+events_unbound08:50:221
496662991712,3cyclictest335557-21systemd-journal11:30:001
496662991711,4cyclictest575434-21latency_hist08:25:011
496660991714,2cyclictest814782-21irqcore12:15:180
496660991713,3cyclictest590962-21gpgv08:39:590
496660991712,3cyclictest335557-21systemd-journal11:54:170
496660991711,5cyclictest335557-21systemd-journal12:13:180
496670991613,2cyclictest721048-21idleruntime-cro10:45:003
496670991613,2cyclictest711443-21irqcore10:35:173
496670991613,2cyclictest694840-21unixbench_multi10:15:253
496670991612,3cyclictest601347-21kworker/u8:1+events_unbound08:55:193
496670991612,3cyclictest463505-21kworker/u8:3+flush-259:007:14:153
496670991611,3cyclictest606805-21cron08:55:003
49666599164,5cyclictest575441-21munin-run08:25:002
496665991613,2cyclictest463462-21kworker/u8:2+flush-259:009:25:192
496665991610,4cyclictest591452-21cat08:40:002
496662991613,2cyclictest783149-21sh11:45:001
496662991613,2cyclictest695586-21apt-get10:20:121
496662991613,2cyclictest601347-21kworker/u8:1+flush-259:009:10:211
496662991612,3cyclictest690204-21kworker/u8:0+flush-259:010:19:471
496662991612,3cyclictest509-21rs:main1
496662991611,4cyclictest662616-21ntpq09:45:211
496660991614,1cyclictest60350irq/132-enp0s29f1:rx-008:26:370
496660991613,2cyclictest752507-21irqcore11:15:170
496660991613,2cyclictest684796-21latency_hist10:10:000
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-011:26:110
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-011:00:160
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-009:50:110
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-009:31:430
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-008:56:360
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-008:10:120
496660991613,2cyclictest60350irq/132-enp0s29f1:rx-007:26:360
496660991612,3cyclictest533855-21kworker/u8:0+flush-259:008:20:000
496660991612,2cyclictest60350irq/132-enp0s29f1:rx-008:45:230
496670991513,1cyclictest783144-21cron11:45:003
496670991512,2cyclictest813281-21ntp_offset12:10:213
496670991512,2cyclictest762546-21idleruntime-cro11:25:003
496670991512,1cyclictest0-21swapper/312:30:003
49666599159,4cyclictest335557-21systemd-journal09:55:002
496665991512,2cyclictest463462-21kworker/u8:2+flush-259:010:40:212
496665991511,3cyclictest773090-21kworker/u8:0+flush-259:012:10:182
496665991511,3cyclictest637771-21latency_hist09:25:012
496665991511,3cyclictest616895-21kworker/u8:0+flush-259:009:40:312
496662991512,2cyclictest0-21swapper/110:50:001
496662991512,2cyclictest0-21swapper/110:50:001
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-012:20:170
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-011:45:160
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-010:40:580
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-010:35:000
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-010:26:290
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-009:49:340
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-009:40:140
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-009:07:370
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-008:30:130
496660991513,1cyclictest60350irq/132-enp0s29f1:rx-007:55:180
496660991513,1cyclictest0-21swapper/010:05:000
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-011:40:230
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-011:30:150
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-011:05:150
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-010:35:250
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-010:23:300
496660991512,2cyclictest60350irq/132-enp0s29f1:rx-009:25:150
496660991511,3cyclictest783084-21kworker/u8:3+events_unbound12:25:160
496660991511,3cyclictest487026-21kworker/u8:1+flush-259:007:30:200
49667099148,4cyclictest335557-21systemd-journal09:20:003
49667099141,3cyclictest580587-21awk08:30:003
496670991412,1cyclictest487026-21kworker/u8:1+flush-259:007:40:273
496670991411,2cyclictest819221-21kworker/u8:1+flush-259:012:30:293
496670991411,2cyclictest773090-21kworker/u8:0+events_unbound12:20:203
496670991411,2cyclictest647141-21ntp_kernel_pll_09:30:213
49666599149,4cyclictest335557-21systemd-journal07:55:002
496665991410,3cyclictest793690-21kworker/u8:4+flush-259:011:55:222
496665991410,3cyclictest533855-21kworker/u8:0+flush-259:008:00:242
496662991412,1cyclictest0-21swapper/111:25:001
496662991411,2cyclictest773090-21kworker/u8:0+flush-259:011:50:221
496662991411,2cyclictest616895-21kworker/u8:0+flush-259:009:25:261
496662991410,3cyclictest463462-21kworker/u8:2+flush-259:010:30:231
49666099149,4cyclictest506543-21ntpq07:15:220
496660991413,1cyclictest60350irq/132-enp0s29f1:rx-007:36:350
496660991412,2cyclictest61150irq/133-enp0s29f1:tx-010:50:140
496660991412,1cyclictest60350irq/132-enp0s29f1:rx-009:35:250
496660991412,1cyclictest60350irq/132-enp0s29f1:rx-009:20:210
496660991412,1cyclictest60350irq/132-enp0s29f1:rx-009:15:250
496660991412,1cyclictest60350irq/132-enp0s29f1:rx-009:10:120
496660991411,2cyclictest60350irq/132-enp0s29f1:rx-008:42:560
496660991410,3cyclictest721075-21kworker/u8:1+events_unbound12:00:180
49667099138,3cyclictest767688-21sh11:30:003
49667099136,5cyclictest773659-21irqcore11:35:153
496670991311,1cyclictest0-21swapper/307:50:003
496670991310,2cyclictest487026-21kworker/u8:1+flush-259:007:35:013
49666599138,4cyclictest715905-21latency_hist10:40:002
49666599136,5cyclictest627473-21latency_hist09:15:012
496665991311,1cyclictest0-21swapper/212:00:202
496665991310,2cyclictest502200-21latency_hist07:15:012
49666299139,2cyclictest823930-21unixbench_multi12:20:261
49666299138,4cyclictest685260-21/usr/sbin/munin10:10:151
49666299138,4cyclictest335557-21systemd-journal09:35:011
49666299136,5cyclictest679621-21cp10:05:011
49666299136,5cyclictest589220-21kthreadcore08:35:191
496662991310,2cyclictest835035-21cpuspeed_turbos12:35:121
496662991310,2cyclictest773090-21kworker/u8:0+flush-259:012:20:001
496662991310,2cyclictest670980-21kthreadcore09:55:171
496660991310,2cyclictest60350irq/132-enp0s29f1:rx-011:10:120
49667099129,2cyclictest549406-21kworker/u8:1+flush-259:008:05:263
49667099129,2cyclictest523980-21irqcore07:35:163
49667099128,3cyclictest773090-21kworker/u8:0+events_unbound12:05:213
49667099128,3cyclictest463462-21kworker/u8:2+events_unbound08:15:193
49667099121,2cyclictest7374061irqcore11:00:163
496670991210,1cyclictest0-21swapper/308:15:013
49667099120,4cyclictest5738362kthreadcore08:20:213
49666599129,2cyclictest756503-21unixbench_multi11:15:252
49666599128,3cyclictest757525-21cp11:20:022
49666599128,3cyclictest463505-21kworker/u8:3+flush-259:007:55:252
49666599128,2cyclictest6691472sleep209:55:142
49666599127,4cyclictest335557-21systemd-journal10:55:002
49666599120,5cyclictest788263-21idleruntime-cro11:50:002
49666299129,2cyclictest824817-21fschecks_count12:25:151
49666299129,2cyclictest549406-21kworker/u8:1+flush-259:008:05:001
49666299129,2cyclictest501318-21unixbench_multi07:10:261
49666299129,2cyclictest463462-21kworker/u8:2+flush-259:007:45:161
49666299129,2cyclictest0-21swapper/112:34:591
49666299128,3cyclictest632850-21/usr/sbin/munin09:20:141
49666299127,3cyclictest528515-21true07:40:011
49666299126,4cyclictest607059-21/usr/sbin/munin08:55:141
49666099129,2cyclictest60350irq/132-enp0s29f1:rx-010:45:130
49666099129,2cyclictest60350irq/132-enp0s29f1:rx-010:45:130
49666099129,2cyclictest60350irq/132-enp0s29f1:rx-007:22:570
49666099128,3cyclictest60350irq/132-enp0s29f1:rx-011:35:100
49667099119,1cyclictest0-21swapper/311:05:263
49667099118,2cyclictest783084-21kworker/u8:3+events_unbound11:46:053
49667099118,2cyclictest613265-21tr09:00:173
49667099115,5cyclictest518144-21systemd-run07:30:013
49666599119,1cyclictest0-21swapper/211:05:002
49666599119,1cyclictest0-21swapper/208:50:012
49666599118,1cyclictest0-21swapper/207:40:262
49666599117,2cyclictest0-21swapper/210:55:142
49666599115,1cyclictest0-21swapper/210:35:002
49666299118,2cyclictest653532-21cpuspeed_turbos09:40:131
49666299118,2cyclictest617808-21tr09:05:161
49666299117,3cyclictest721075-21kworker/u8:1+flush-259:010:55:251
49666299117,3cyclictest463505-21kworker/u8:3+events_unbound09:00:191
49667099108,1cyclictest0-21swapper/312:15:233
49667099107,1cyclictest0-21swapper/310:25:163
49667099106,3cyclictest726631-21uniq10:50:133
49667099106,3cyclictest664034-21cut09:50:143
49667099100,2cyclictest803780-21latency_hist12:05:013
49666599107,2cyclictest0-21swapper/207:49:592
49666599101,7cyclictest663499-21latency_hist09:50:012
4966709996,2cyclictest491ktimers/309:05:133
4966659997,1cyclictest0-21swapper/210:25:172
4966659995,3cyclictest746065-21sed11:05:252
4966629997,1cyclictest0-21swapper/108:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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