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2026-01-02 - 20:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

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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  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot5s.osadl.org (updated Fri Jan 02, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3952689995643,10cyclictest231ktimers/110:15:131
3952698994932,14cyclictest391ktimers/310:45:133
3952698994530,11cyclictest391ktimers/310:30:123
3952698994530,11cyclictest391ktimers/310:30:123
3952695994524,17cyclictest0-21swapper/209:20:252
3952695994524,17cyclictest0-21swapper/209:20:252
3952689994533,9cyclictest231ktimers/112:35:101
3952684994534,7cyclictest3980578-21unixbench_singl08:25:260
3952698994417,23cyclictest0-21swapper/310:20:013
3952698994416,24cyclictest4033388-21fschecks_time11:00:153
3952695994430,10cyclictest311ktimers/210:35:122
3952695994428,12cyclictest0-21swapper/209:30:012
3952695994428,12cyclictest0-21swapper/209:30:002
395269599441,38cyclictest4063292-21/usr/sbin/munin12:25:222
395269599441,38cyclictest3995561-21/usr/sbin/munin09:10:232
395269599441,38cyclictest3967781-21/usr/sbin/munin07:50:182
395269599441,37cyclictest3993911-21/usr/sbin/munin09:05:232
395269599441,37cyclictest3976201-21/usr/sbin/munin08:15:192
3952689994432,8cyclictest4022252-21grep10:25:231
395269899431,11cyclictest4008128-21unixbench_multi09:45:273
3952695994335,5cyclictest3980578-21unixbench_singl08:25:252
395269599431,37cyclictest4064866-21/usr/sbin/munin12:30:202
395269599431,37cyclictest4061524-21/usr/sbin/munin12:20:202
395269599431,37cyclictest4054002-21/usr/sbin/munin12:00:142
395269599431,37cyclictest4029447-21cron10:48:592
395269599431,37cyclictest4023070-21/usr/sbin/munin10:30:162
395269599431,37cyclictest4023070-21/usr/sbin/munin10:30:162
395269599431,37cyclictest3996971-21/usr/sbin/munin09:15:172
3952684994332,8cyclictest121ktimers/009:45:130
3952698994234,5cyclictest4026122-21grep10:40:013
3952698994211,5cyclictest3999396-21unixbench_singl09:20:263
3952698994211,5cyclictest3999396-21unixbench_singl09:20:253
395269599421,38cyclictest3972322-21sshd08:03:402
395269599421,36cyclictest4045720-21/usr/sbin/munin11:35:202
395269599421,36cyclictest4044012-21/usr/sbin/munin11:30:182
395269599421,36cyclictest4037227-21/usr/sbin/munin11:10:232
395269599421,35cyclictest4066117-21apt-get12:35:102
395269599421,33cyclictest4030319-21/usr/sbin/munin10:50:222
3952689994234,5cyclictest4013952-21munin-plugin-st10:05:011
3952684994232,6cyclictest4013520-21unixbench_singl10:00:230
3952698994113,3cyclictest0-21swapper/307:40:253
3952698994113,24cyclictest0-21swapper/309:00:223
395269599412,36cyclictest3970381-21cron07:56:002
395269599411,37cyclictest4052343-21/usr/sbin/munin11:55:152
395269599411,37cyclictest4042658-21/usr/sbin/munin11:25:232
395269599411,37cyclictest4042658-21/usr/sbin/munin11:25:232
395269599411,37cyclictest4022071-21/usr/sbin/munin10:25:232
395269599411,37cyclictest3964585-21/usr/sbin/munin07:40:202
395269599411,36cyclictest4038995-21/usr/sbin/munin11:15:252
395269599411,36cyclictest4038995-21/usr/sbin/munin11:15:242
395269599411,36cyclictest3988181-21/usr/sbin/munin08:50:142
395269599411,36cyclictest3959340-21/usr/sbin/munin07:25:182
395269599411,35cyclictest4020272-21/usr/sbin/munin10:20:232
395269599411,35cyclictest4017904-21/usr/sbin/munin10:15:152
395269599411,35cyclictest3981545-21/usr/sbin/munin08:30:172
395269599411,35cyclictest3961479-21/usr/sbin/munin07:30:262
3952695994112,26cyclictest3966015-21fschecks_count07:45:192
395269899409,7cyclictest4036146-21seq11:07:163
395269899403,11cyclictest3962138-21sshd07:34:403
3952698994027,10cyclictest391ktimers/310:05:123
395269899402,10cyclictest3980581-21grep08:25:253
395269899401,11cyclictest4057573-21apt-get12:10:123
395269899401,11cyclictest4049506-21fgrep11:45:253
395269599403,34cyclictest3986819-21/usr/sbin/munin08:45:192
3952695994015,22cyclictest4059744-21missed_timers12:15:202
395269599401,36cyclictest4051112-21/usr/sbin/munin11:50:222
395269599401,36cyclictest4026810-21/usr/sbin/munin10:40:182
395269599401,36cyclictest4016930-21/usr/sbin/munin10:10:242
395269599401,36cyclictest4009314-21/usr/sbin/munin09:50:182
395269599401,36cyclictest4007820-21/usr/sbin/munin09:45:242
395269599401,36cyclictest4003359-21cron09:34:002
395269599401,36cyclictest3990918-21cron08:56:002
395269599401,35cyclictest4033577-21/usr/sbin/munin11:00:172
395269599401,34cyclictest4012545-21/usr/sbin/munin10:00:112
395269599401,34cyclictest4003689-21/usr/sbin/munin09:35:102
395269599401,34cyclictest3984829-21/usr/sbin/munin08:40:162
395269599401,34cyclictest3974943-21/usr/sbin/munin08:10:202
395269599401,34cyclictest3957386-21/usr/sbin/munin07:20:172
3952695994013,23cyclictest0-21swapper/207:10:022
3952684994031,6cyclictest3997685-21grep09:15:250
3952698993914,4cyclictest4012459-21/usr/sbin/munin10:00:093
395269899391,11cyclictest4036781-21fschecks_count11:10:183
395269599393,29cyclictest4005415-21apt-get09:40:132
395269599391,35cyclictest4058105-21/usr/sbin/munin12:10:212
395269599391,35cyclictest4040528-21/usr/sbin/munin11:20:162
395269599391,35cyclictest4035754-21/usr/sbin/munin11:05:242
395269599391,35cyclictest3977951-21/usr/sbin/munin08:20:172
395269599391,34cyclictest4049154-21irqstats11:45:192
395269599391,34cyclictest4014373-21apt-get10:05:062
395269599391,33cyclictest4010855-21/usr/sbin/munin09:55:152
395269599391,33cyclictest3983041-21/usr/sbin/munin08:35:112
3952689993929,7cyclictest3980547-21grep08:25:251
3952684993930,6cyclictest4037681-21grep11:10:270
395269899387,4cyclictest0-21swapper/308:35:243
3952698993831,4cyclictest438-21cron11:30:013
3952698993831,4cyclictest438-21cron11:30:003
3952698993831,4cyclictest0-21swapper/308:25:003
3952698993828,7cyclictest4055018-21grep12:00:263
3952698993813,4cyclictest4026364-21/usr/sbin/munin10:40:173
3952698993811,3cyclictest4061002-21/usr/sbin/munin12:20:243
3952698993811,3cyclictest0-21swapper/310:25:143
395269899381,11cyclictest4004688-21grep09:35:253
395269599382,33cyclictest3963096-21/usr/sbin/munin07:35:242
395269599381,35cyclictest4056104-21/usr/sbin/munin12:05:192
395269599381,34cyclictest4032088-21/usr/sbin/munin10:55:212
395269599381,34cyclictest3972960-21/usr/sbin/munin08:05:172
395269599381,33cyclictest3991508-21munin-node09:00:112
3952689993828,6cyclictest4039810-21munin-plugin-st11:20:011
3952689993828,6cyclictest4039810-21munin-plugin-st11:20:001
3952689993827,7cyclictest0-21swapper/112:00:261
3952684993829,5cyclictest0-21swapper/012:15:000
3952684993828,6cyclictest4018834-21grep10:15:280
3952684993827,7cyclictest3999415-21grep09:20:260
3952684993827,7cyclictest3999415-21grep09:20:260
3952698993729,5cyclictest4039811-21sendmail11:20:003
3952698993729,5cyclictest4039811-21sendmail11:20:003
3952698993728,6cyclictest0-21swapper/311:39:593
3952698993711,2cyclictest0-21swapper/311:54:463
395269899371,11cyclictest4017552-21cron10:15:003
395269599371,33cyclictest4047107-21apt-get11:40:112
395269599371,33cyclictest3955933-21/usr/sbin/munin07:15:242
3952689993728,6cyclictest3982713-21sh08:35:011
3952684993726,8cyclictest4004727-21grep09:35:250
395268499371,33cyclictest0-21swapper/010:20:110
3952698993612,8cyclictest4002156-21cut09:30:163
3952698993612,2cyclictest0-21swapper/310:20:473
3952698993611,5cyclictest391ktimers/307:50:213
3952698993611,5cyclictest0-21swapper/312:25:263
395269899361,10cyclictest4060909-21wc12:20:003
3952698993610,2cyclictest0-21swapper/309:40:093
3952689993629,4cyclictest0-21swapper/109:20:151
3952689993629,4cyclictest0-21swapper/109:20:151
3952689993624,8cyclictest3994239-21grep09:05:241
395268499366,18cyclictest4047356-21basename11:40:160
3952684993629,4cyclictest4039801-21apt-get11:20:000
3952684993629,4cyclictest4039801-21apt-get11:20:000
3952684993625,8cyclictest3982714-21auditctl08:35:020
395269899359,3cyclictest0-21swapper/312:40:003
3952698993527,4cyclictest0-21swapper/308:05:003
3952698993524,8cyclictest3974150-21cron08:10:013
395269899351,8cyclictest3989563-21awk08:55:013
3952698993512,2cyclictest0-21swapper/310:54:123
395269899351,12cyclictest4057132-21idleruntime-cro12:10:003
395269899351,10cyclictest3998148-21awk09:20:013
3952689993528,4cyclictest0-21swapper/111:45:001
3952689993526,5cyclictest4012205-21cron10:00:001
3952689993526,4cyclictest0-21swapper/112:10:011
3952684993521,9cyclictest4065404-21grep12:30:250
395269899349,4cyclictest4048150-21grep11:40:253
3952698993427,3cyclictest0-21swapper/310:55:153
3952698993412,3cyclictest3953443-21latency07:10:203
3952698993411,3cyclictest0-21swapper/312:30:243
3952698993410,4cyclictest391ktimers/307:25:243
3952698993410,3cyclictest4009705-21processes09:50:233
3952689993426,5cyclictest0-21swapper/108:55:211
3952689993426,4cyclictest0-21swapper/110:10:151
3952689993422,8cyclictest0-21swapper/110:35:261
3952684993427,4cyclictest4003471-21munin-plugin-st09:35:000
3952684993426,4cyclictest0-21swapper/007:55:240
3952684993425,4cyclictest0-21swapper/007:25:010
3952684993424,7cyclictest4043027-21grep11:25:270
3952684993424,7cyclictest4043027-21grep11:25:270
3952684993424,7cyclictest3978883-21grep08:20:270
3952684993424,7cyclictest3960003-21grep07:25:250
3952684993423,7cyclictest3966842-21grep07:45:280
395269899333,11cyclictest3996008-21users09:10:263
3952689993325,4cyclictest0-21swapper/112:15:011
3952689993325,4cyclictest0-21swapper/107:50:171
3952689993323,7cyclictest4029935-21fschecks_count10:50:161
3952684993325,5cyclictest0-21swapper/010:40:010
3952684993322,6cyclictest0-21swapper/010:25:230
3952698993224,4cyclictest0-21swapper/309:30:003
3952698993224,4cyclictest0-21swapper/309:30:003
3952698993213,3cyclictest3991162-21cron08:59:003
395269899321,11cyclictest3977572-21sh08:20:003
395269899321,11cyclictest3956830-21apt07:20:013
395269899321,10cyclictest3963434-21grep07:35:283
3952698993210,5cyclictest391ktimers/307:55:113
3952689993225,4cyclictest0-21swapper/109:45:161
3952689993224,4cyclictest0-21swapper/110:30:271
3952689993224,4cyclictest0-21swapper/110:30:271
3952689993221,5cyclictest0-21swapper/107:35:171
3952689993220,8cyclictest4041265-21grep11:20:261
3952684993225,3cyclictest0-21swapper/012:20:000
3952684993224,5cyclictest3989145-21grep08:50:260
3952684993224,5cyclictest3980620-21kworker/u8:2+events_unbound08:44:240
3952684993224,4cyclictest0-21swapper/011:05:260
3952684993223,5cyclictest0-21swapper/007:15:020
3952684993222,7cyclictest4012219-21latency_hist10:00:010
3952684993221,6cyclictest4001540-21sh09:30:000
3952684993221,6cyclictest4001540-21sh09:30:000
395269899314,7cyclictest3987264-21timerandwakeup08:45:263
3952698993124,4cyclictest4010973-21runrttasks09:55:153
3952698993124,4cyclictest0-21swapper/309:10:003
395269899311,12cyclictest4053698-21apt12:00:013
395269899311,10cyclictest3976046-21cat08:15:013
3952689993123,4cyclictest4061167-21fschecks_count12:20:151
3952689993123,4cyclictest0-21swapper/108:40:251
3952689993121,6cyclictest0-21swapper/112:00:001
3952689993120,7cyclictest0-21swapper/107:25:021
3952684993122,6cyclictest3990840-21unixbench_singl08:55:280
3952684993121,6cyclictest0-21swapper/012:20:160
3952684993120,6cyclictest0-21swapper/011:35:270
3952684993115,14cyclictest3996421-21idleruntime-cro09:15:000
395269899302,10cyclictest4041733-21cron11:25:003
3952689993022,4cyclictest0-21swapper/110:05:161
3952689993020,5cyclictest4049872-21head11:45:281
3952689993016,10cyclictest231ktimers/108:20:151
3952684993023,4cyclictest4010522-21idleruntime-cro09:55:000
3952684993019,7cyclictest0-21swapper/007:50:270
3952684993017,9cyclictest121ktimers/010:40:110
3952689992920,6cyclictest0-21swapper/107:45:281
3952689992919,7cyclictest3974618-21tune2fs08:10:151
3952689992918,7cyclictest3995935-21grep09:10:261
3952689992918,7cyclictest0-21swapper/109:35:261
3952689992916,9cyclictest3976632-21ntpq08:15:251
3952684992920,6cyclictest4023944-21tail10:30:260
3952684992920,6cyclictest4023944-21tail10:30:260
3952684992920,6cyclictest0-21swapper/011:00:000
3952684992918,7cyclictest0-21swapper/011:20:250
395268499291,3cyclictest0-21swapper/009:40:120
3952698992816,7cyclictest3985677-21grep08:40:253
3952689992817,7cyclictest0-21swapper/112:20:001
3952684992821,5cyclictest11-21ksoftirqd/010:05:120
3952689992718,6cyclictest4034675-21sh11:05:011
3952689992715,8cyclictest3956342-21grep07:15:261
3952689992713,10cyclictest4006439-21grep09:40:261
3952684992720,4cyclictest0-21swapper/007:20:010
3952684992720,3cyclictest0-21swapper/011:45:270
3952684992717,7cyclictest3975459-21grep08:10:240
3952684992716,8cyclictest3993215-21apt-get09:05:100
3952689992616,7cyclictest3965187-21grep07:40:261
3952689992614,8cyclictest0-21swapper/112:30:251
3952689992614,8cyclictest0-21swapper/110:44:451
3952684992616,6cyclictest3973720-21grep08:05:270
3952684992615,8cyclictest204-21dbus-daemon07:44:120
395268999253,19cyclictest4036568-21cat11:10:011
3952689992519,3cyclictest0-21swapper/111:50:241
3952689992519,3cyclictest0-21swapper/111:35:171
3952689992519,3cyclictest0-21swapper/107:30:271
3952689992515,7cyclictest3982931-21seq08:35:021
3952689992514,7cyclictest3987441-21grep08:45:281
3952684992518,3cyclictest0-21swapper/012:02:010
3952684992517,5cyclictest13550irq/42-30be0000.ethernet07:40:020
3952684992517,3cyclictest0-21swapper/007:30:290
395268499251,6cyclictest0-21swapper/011:00:190
3952684992515,7cyclictest4056670-21grep12:05:250
3952684992514,7cyclictest4044675-21grep11:30:260
3952698992415,6cyclictest3958672-21apt-config07:25:013
3952698992413,8cyclictest0-21swapper/311:35:003
3952689992416,5cyclictest0-21swapper/108:00:011
3952689992413,7cyclictest0-21swapper/109:30:001
3952689992413,7cyclictest0-21swapper/109:30:001
395268999241,20cyclictest3989453-21seq08:53:591
3952684992414,8cyclictest3971425-21seq08:00:190
395268499241,21cyclictest3976644-21awk08:15:250
395268499241,20cyclictest0-21swapper/008:35:370
395268499241,19cyclictest0-21swapper/011:54:500
395268499240,22cyclictest0-21swapper/008:47:040
3952698992316,3cyclictest0-21swapper/308:30:273
3952689992316,3cyclictest0-21swapper/107:10:211
3952689992315,5cyclictest39730242sleep108:05:191
3952689992315,4cyclictest0-21swapper/111:10:171
3952689992314,6cyclictest4043294-21seq11:28:201
3952689992314,6cyclictest4043294-21seq11:28:201
3952689992314,6cyclictest4032904-21seq10:59:361
3952689992313,7cyclictest3972307-21seq08:03:281
395268499235,14cyclictest4067578-21cron12:40:000
3952684992315,5cyclictest0-21swapper/010:55:000
395268499231,18cyclictest0-21swapper/010:47:540
3952689992216,3cyclictest0-21swapper/109:00:181
3952689992214,4cyclictest0-21swapper/109:15:251
395268499221,7cyclictest4016191-21/usr/sbin/munin10:10:140
3952684992215,4cyclictest0-21swapper/012:25:150
395268499221,19cyclictest0-21swapper/011:55:190
3952689992113,6cyclictest4001498-21kworker/u8:2+events_unbound09:30:061
3952689992112,5cyclictest0-21swapper/111:35:001
3952689992016,2cyclictest0-21swapper/109:50:041
395268999200,13cyclictest0-21swapper/110:20:261
395268999197,8cyclictest204-21dbus-daemon12:25:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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