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2026-03-22 - 23:52

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 Sun Mar 22, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3651883994841,4cyclictest3683093-21sh08:40:012
3651883994737,7cyclictest3693359-21latency_hist09:10:002
3651879994638,5cyclictest3681383-21auditctl08:35:001
3651887994435,6cyclictest204-21dbus-daemon10:55:013
3651887994336,4cyclictest3724429-21cron10:39:593
3651883994335,5cyclictest3679693-21munin-plugin-st08:30:002
3651887994233,4cyclictest0-21swapper/309:15:153
3651887994233,4cyclictest0-21swapper/309:15:153
3651887994132,4cyclictest0-21swapper/311:25:013
3651887994131,6cyclictest0-21swapper/307:55:023
3651887994130,6cyclictest0-21swapper/307:35:013
3651883994134,4cyclictest3704203-21fschecks_time09:40:152
3651883994130,8cyclictest3700376-21munin-plugin-st09:30:002
3651883994130,8cyclictest3700376-21munin-plugin-st09:30:002
3651875994129,6cyclictest0-21swapper/009:35:250
3651875994111,6cyclictest3746192-21wc11:40:220
3651875994111,6cyclictest3746192-21wc11:40:210
3651887994030,6cyclictest0-21swapper/309:10:013
3651875994033,5cyclictest3737925-21kworker/u8:2+events_unbound11:25:050
3651875994032,4cyclictest3693334-21munin-plugin-st09:10:010
3651875994030,6cyclictest0-21swapper/010:05:000
3651887993931,4cyclictest0-21swapper/311:25:263
3651883993932,4cyclictest3691141-21unixbench_multi09:00:242
3651883993928,7cyclictest3740212-21apt-key11:25:022
3651883993927,6cyclictest3702483-21grep09:35:162
3651879993931,4cyclictest3712307-21cron10:05:001
3651879993930,6cyclictest3699903-21unixbench_multi09:25:231
3651879993930,6cyclictest3699903-21unixbench_multi09:25:231
3651875993930,6cyclictest0-21swapper/010:55:150
3651887993827,7cyclictest3715292-21grep10:10:253
3651883993829,4cyclictest0-21swapper/212:35:002
3651875993831,4cyclictest3710599-21sendmail10:00:000
3651887993731,4cyclictest3659981-21kworker/u8:2+events_unbound08:09:293
3651887993728,6cyclictest3679694-21basename08:30:013
3651887993728,6cyclictest0-21swapper/312:35:013
3651887993726,8cyclictest3759599-21sendmail12:20:003
365188399374,5cyclictest37295512sh10:55:012
3651883993730,4cyclictest3758267-21fschecks_count12:15:172
3651883993729,4cyclictest0-21swapper/208:10:252
3651883993726,6cyclictest0-21swapper/211:25:272
3651879993728,5cyclictest208-21systemd-logind08:19:311
3651875993729,5cyclictest0-21swapper/011:40:010
3651875993729,5cyclictest0-21swapper/011:40:000
3651875993727,7cyclictest0-21swapper/008:20:010
3651883993626,7cyclictest3687749-21grep08:50:272
3651883993626,7cyclictest3687749-21grep08:50:272
3651879993628,4cyclictest0-21swapper/110:24:521
3651875993629,4cyclictest3708879-21cron09:55:010
3651875993621,12cyclictest0-21swapper/008:10:000
3651887993529,3cyclictest0-21swapper/311:20:013
3651887993527,4cyclictest0-21swapper/310:40:163
3651883993526,5cyclictest3721256-21kworker/u8:2+events_unbound10:39:592
3651879993528,4cyclictest3651868-21cyclictest09:20:241
3651879993528,4cyclictest0-21swapper/107:35:241
3651879993527,5cyclictest3730000-21fschecks_time10:55:151
3651879993526,6cyclictest0-21swapper/111:25:001
3651875993526,5cyclictest0-21swapper/009:25:240
3651875993526,5cyclictest0-21swapper/009:25:240
3651875993525,6cyclictest0-21swapper/009:35:000
3651875993525,6cyclictest0-21swapper/007:25:280
3651875993524,9cyclictest121ktimers/011:20:110
3651875993524,7cyclictest3715701-21debian-sa110:15:000
3651875993524,6cyclictest0-21swapper/011:20:010
3651887993426,4cyclictest0-21swapper/312:05:253
3651887993424,7cyclictest0-21swapper/308:40:003
3651883993427,4cyclictest0-21swapper/210:15:242
3651883993426,4cyclictest0-21swapper/212:25:262
3651883993426,4cyclictest0-21swapper/207:55:262
3651879993427,4cyclictest3688665-21seq08:55:171
3651879993423,6cyclictest0-21swapper/108:00:271
3651879993420,11cyclictest231ktimers/109:55:111
3651875993427,5cyclictest3726145-21kworker/u8:3+events_unbound11:00:030
3651875993426,4cyclictest0-21swapper/010:40:260
3651875993424,7cyclictest3743606-21sh11:35:000
3651875993424,6cyclictest0-21swapper/010:45:200
3651887993325,5cyclictest0-21swapper/310:25:013
3651887993323,6cyclictest0-21swapper/309:50:263
3651887993323,6cyclictest0-21swapper/307:40:003
3651887993323,6cyclictest0-21swapper/307:30:013
3651883993325,4cyclictest0-21swapper/207:15:272
3651883993324,6cyclictest0-21swapper/210:30:262
3651883993323,6cyclictest0-21swapper/212:35:252
3651883993323,6cyclictest0-21swapper/207:50:252
3651883993322,7cyclictest3734869-21cron11:10:002
3651879993326,4cyclictest3693492-21apt-key09:10:001
3651879993326,4cyclictest3677537-21runrttasks08:20:241
3651879993325,4cyclictest0-21swapper/111:00:031
3651879993323,7cyclictest3712675-21fschecks_count10:05:151
3651879993321,8cyclictest0-21swapper/108:45:171
3651879993321,8cyclictest0-21swapper/108:45:171
3651879993319,10cyclictest231ktimers/112:20:121
3651875993327,3cyclictest3687287-21kworker/u8:1+events_unbound09:19:390
3651875993327,3cyclictest3687287-21kworker/u8:1+events_unbound09:19:390
3651875993325,4cyclictest0-21swapper/010:40:000
3651875993322,6cyclictest0-21swapper/010:20:260
3651887993225,4cyclictest3747879-21latency11:45:173
3651887993225,4cyclictest0-21swapper/309:00:003
3651887993224,4cyclictest0-21swapper/309:10:253
3651887993224,4cyclictest0-21swapper/308:35:003
3651887993224,4cyclictest0-21swapper/307:44:223
3651883993221,8cyclictest3714462-21tune2fs10:10:162
3651883993221,7cyclictest3730834-21grep10:55:252
3651879993224,4cyclictest0-21swapper/108:00:011
3651879993223,6cyclictest3665577-21tail07:45:301
365187599326,4cyclictest3719578-21egrep10:25:120
3651875993225,4cyclictest3657085-21unixbench_singl07:20:250
3651875993225,4cyclictest3657085-21unixbench_singl07:20:240
3651875993224,5cyclictest3677531-21seq08:20:250
3651875993224,3cyclictest0-21swapper/012:05:010
3651875993223,5cyclictest0-21swapper/012:25:000
3651887993123,4cyclictest0-21swapper/308:10:253
3651887993121,7cyclictest3703295-21grep09:35:243
3651887993121,6cyclictest0-21swapper/310:30:153
3651887993121,6cyclictest0-21swapper/308:15:253
3651887993121,6cyclictest0-21swapper/307:20:243
3651887993121,6cyclictest0-21swapper/307:20:243
3651883993123,4cyclictest0-21swapper/210:25:002
3651883993121,6cyclictest0-21swapper/207:40:252
3651883993117,6cyclictest0-21swapper/211:45:002
3651883993117,6cyclictest0-21swapper/211:44:592
3651879993121,6cyclictest0-21swapper/109:30:241
3651875993125,3cyclictest0-21swapper/010:20:010
3651875993124,3cyclictest0-21swapper/012:05:250
3651875993123,5cyclictest3736148-21unixbench_singl11:10:260
3651875993123,3cyclictest0-21swapper/007:55:270
3651875993122,5cyclictest3734885-21munin-plugin-st11:10:000
3651875993122,5cyclictest0-21swapper/007:45:310
3651875993121,6cyclictest0-21swapper/008:50:260
3651875993121,6cyclictest0-21swapper/008:50:260
3651875993120,7cyclictest0-21swapper/009:15:000
3651887993024,3cyclictest0-21swapper/311:35:153
3651887993024,3cyclictest0-21swapper/311:35:153
3651887993023,4cyclictest3691626-21idleruntime-cro09:05:013
3651887993023,3cyclictest0-21swapper/307:15:023
3651887993020,6cyclictest0-21swapper/310:00:013
3651883993022,5cyclictest3748951-21munin-plugin-st11:50:012
3651883993021,5cyclictest0-21swapper/209:30:182
3651883993020,7cyclictest0-21swapper/211:35:242
3651883993020,7cyclictest0-21swapper/211:35:242
3651883993020,5cyclictest0-21swapper/207:35:252
3651883993019,7cyclictest0-21swapper/209:20:012
3651883993019,7cyclictest0-21swapper/209:20:012
3651883993018,9cyclictest3708474-21grep09:50:252
3651879993022,4cyclictest0-21swapper/107:25:271
3651879993020,6cyclictest0-21swapper/108:25:251
3651879993019,7cyclictest0-21swapper/111:45:241
3651879993019,6cyclictest0-21swapper/107:30:241
3651875993024,4cyclictest3696718-21kworker/u8:3+events_unbound09:44:430
3651875993023,3cyclictest0-21swapper/009:05:010
3651875993021,6cyclictest0-21swapper/012:20:000
3651875993020,6cyclictest0-21swapper/007:10:260
3651875993019,7cyclictest3757455-21grep12:10:260
3651875993016,9cyclictest121ktimers/011:45:110
3651887992921,4cyclictest0-21swapper/308:45:273
3651887992921,4cyclictest0-21swapper/308:45:273
3651887992919,6cyclictest0-21swapper/311:55:243
3651887992919,6cyclictest0-21swapper/308:20:243
3651883992920,4cyclictest0-21swapper/209:55:242
3651883992918,7cyclictest0-21swapper/208:40:242
3651879992921,4cyclictest0-21swapper/110:40:261
3651879992921,4cyclictest0-21swapper/110:25:241
3651879992920,6cyclictest0-21swapper/109:40:001
3651879992919,6cyclictest0-21swapper/111:15:011
3651875992922,4cyclictest3683083-21auditctl08:40:000
3651875992919,6cyclictest0-21swapper/009:00:000
3651875992918,7cyclictest3766647-21sendmail12:40:010
3651875992918,6cyclictest0-21swapper/009:45:250
3651887992822,4cyclictest3766159-21unixbench_multi12:35:263
3651887992821,4cyclictest3684811-21idleruntime-cro08:45:003
3651887992821,4cyclictest3655809-21cron07:20:003
3651887992821,3cyclictest0-21swapper/309:40:173
3651887992820,5cyclictest0-21swapper/309:30:253
3651887992819,5cyclictest3752805-21grep12:00:163
3651887992819,5cyclictest0-21swapper/307:45:293
3651887992817,7cyclictest3700373-21ls09:30:013
3651887992817,7cyclictest3700373-21ls09:30:013
3651883992821,5cyclictest3677879-21kworker/u8:0+events_unbound08:49:362
3651883992821,5cyclictest3677879-21kworker/u8:0+events_unbound08:49:362
3651883992820,5cyclictest0-21swapper/208:15:252
3651883992820,4cyclictest0-21swapper/208:05:272
3651883992819,6cyclictest0-21swapper/210:40:162
3651883992819,5cyclictest3698666-21sh09:25:002
3651883992818,5cyclictest0-21swapper/212:10:162
3651883992817,7cyclictest0-21swapper/211:30:262
3651879992822,3cyclictest0-21swapper/111:25:041
3651879992820,5cyclictest0-21swapper/110:40:001
3651879992820,4cyclictest0-21swapper/107:14:121
3651879992817,7cyclictest3664338-21sh07:45:011
3651879992816,9cyclictest3753829-21seq12:02:141
3651875992820,4cyclictest0-21swapper/011:50:250
3651875992819,5cyclictest0-21swapper/008:15:000
3651875992818,6cyclictest0-21swapper/008:00:260
3651887992719,5cyclictest0-21swapper/310:05:243
3651887992719,4cyclictest0-21swapper/311:10:003
3651887992718,5cyclictest0-21swapper/310:45:193
365188399272,18cyclictest3732702-21tail11:00:252
365188399272,17cyclictest3761522-21auditctl12:25:012
3651883992719,4cyclictest0-21swapper/209:15:012
3651883992718,6cyclictest3750938-21sort11:55:122
3651883992717,7cyclictest0-21swapper/210:45:282
3651883992716,8cyclictest3737880-21grep11:15:252
3651883992716,4cyclictest0-21swapper/209:49:442
3651879992721,3cyclictest0-21swapper/111:55:251
3651879992719,5cyclictest0-21swapper/110:15:011
3651879992719,4cyclictest0-21swapper/112:15:001
3651879992719,4cyclictest0-21swapper/108:54:371
3651879992719,4cyclictest0-21swapper/108:54:371
3651875992721,3cyclictest0-21swapper/010:05:240
3651875992719,5cyclictest0-21swapper/007:45:000
3651875992719,5cyclictest0-21swapper/007:35:210
3651887992618,5cyclictest0-21swapper/310:25:253
3651887992618,5cyclictest0-21swapper/310:15:253
3651883992619,4cyclictest0-21swapper/211:10:222
3651883992616,7cyclictest3711065-21grep10:00:152
3651883992615,6cyclictest0-21swapper/212:00:152
3651883992614,8cyclictest3689485-21grep08:55:252
3651879992620,3cyclictest0-21swapper/112:05:241
3651879992620,3cyclictest0-21swapper/111:35:231
3651879992620,3cyclictest0-21swapper/111:35:221
3651879992619,4cyclictest0-21swapper/107:20:161
3651879992619,4cyclictest0-21swapper/107:20:161
3651879992618,4cyclictest0-21swapper/111:44:591
3651879992618,4cyclictest0-21swapper/111:44:591
3651879992617,6cyclictest0-21swapper/111:20:001
365187599269,8cyclictest3729549-21cron10:55:000
3651875992619,3cyclictest0-21swapper/009:20:140
3651875992618,5cyclictest0-21swapper/012:35:010
3651875992615,7cyclictest3680957-21grep08:30:250
3651875992610,7cyclictest11-21ksoftirqd/008:46:370
3651875992610,7cyclictest11-21ksoftirqd/008:46:370
3651887992517,5cyclictest0-21swapper/308:00:023
3651887992517,4cyclictest0-21swapper/310:50:253
3651887992517,4cyclictest0-21swapper/308:50:273
3651887992517,4cyclictest0-21swapper/308:50:263
365188399252,16cyclictest3656267-21cut07:20:152
365188399252,16cyclictest3656267-21cut07:20:152
365188399252,15cyclictest3677997-21cut08:25:002
3651883992517,4cyclictest0-21swapper/210:05:152
3651883992516,5cyclictest0-21swapper/211:50:252
3651879992519,3cyclictest0-21swapper/112:20:001
3651879992519,3cyclictest0-21swapper/109:45:211
3651879992519,3cyclictest0-21swapper/107:15:261
3651879992518,4cyclictest0-21swapper/112:25:131
3651879992516,6cyclictest0-21swapper/111:35:011
3651879992515,7cyclictest3704549-21ntpq09:40:201
3651879992515,7cyclictest0-21swapper/109:15:251
3651879992515,7cyclictest0-21swapper/109:15:241
3651875992519,3cyclictest3752345-21kthreadd12:00:000
3651875992519,3cyclictest0-21swapper/007:55:020
365187599251,16cyclictest0-21swapper/008:28:200
3651887992418,3cyclictest0-21swapper/311:00:013
3651887992417,5cyclictest3746876-21kworker/u8:0+events_unbound12:20:163
3651887992416,4cyclictest0-21swapper/311:40:253
3651887992416,4cyclictest0-21swapper/311:40:253
3651887992416,4cyclictest0-21swapper/308:00:163
365188399242,15cyclictest3755498-21tail12:05:242
3651879992418,3cyclictest0-21swapper/112:30:151
3651879992418,3cyclictest0-21swapper/109:10:171
3651879992417,4cyclictest0-21swapper/110:50:161
3651879992414,7cyclictest3722170-21date10:30:241
3651879992414,7cyclictest3717010-21users10:15:261
3651879992414,7cyclictest3674505-21sshd08:14:311
3651875992418,3cyclictest0-21swapper/010:30:150
3651875992416,5cyclictest0-21swapper/008:40:230
365187599241,19cyclictest0-21swapper/007:32:260
3651887992315,5cyclictest0-21swapper/312:10:273
3651887992315,5cyclictest0-21swapper/310:00:193
365188399232,15cyclictest3665578-21unixbench_multi07:45:292
365188399232,14cyclictest3660913-21cron07:35:012
3651883992316,4cyclictest0-21swapper/208:00:222
3651879992317,3cyclictest0-21swapper/112:35:151
3651879992317,3cyclictest0-21swapper/109:00:221
3651879992316,3cyclictest0-21swapper/109:50:211
3651879992314,6cyclictest3727212-21sed10:45:271
3651875992317,3cyclictest0-21swapper/007:15:020
365187599230,19cyclictest0-21swapper/012:28:580
3651887992214,5cyclictest0-21swapper/311:30:253
3651887992214,5cyclictest0-21swapper/309:45:153
3651887992213,7cyclictest3726145-21kworker/u8:3+events_unbound11:50:083
365188399223,13cyclictest3657898-21fschecks_count07:25:172
3651879992216,3cyclictest0-21swapper/108:40:131
3651879992216,3cyclictest0-21swapper/108:35:231
365187999220,13cyclictest0-21swapper/108:07:551
3651887992114,5cyclictest0-21swapper/312:25:163
3651887992112,6cyclictest0-21swapper/309:20:143
3651883992115,3cyclictest0-21swapper/208:30:142
365188399211,12cyclictest3719726-21grep10:25:162
3651879992113,5cyclictest3733958-21ntp_kernel_pll_11:05:211
3651879992112,6cyclictest3749979-21sed11:50:251
3651887992012,5cyclictest0-21swapper/311:10:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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