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2023-01-29 - 16:06

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 
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  Phytec

ARM Freescale i.MX8M Plus @1600 MHz, Linux 5.17.0-rt15 (Profile)

Latency plot of shadow in rack #b, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q done
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 100 highest latencies:
System rackbslot5s (updated Sun Jan 29, 2023 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3812622994941,6cyclictest391ktimers/309:40:153
3812618994942,4cyclictest3895359-21kworker/u8:0+events_unbound12:20:272
3812614994938,5cyclictest3893206-21kworker/u8:2+events_unbound11:12:281
3812618994740,4cyclictest3866428-21ls09:45:012
3812614994735,9cyclictest3868135-21munin-plugin-st09:50:011
3812622994635,7cyclictest3820065-21cut07:30:013
3812614994638,6cyclictest3895359-21kworker/u8:0+events_unbound12:05:261
3812622994435,7cyclictest391ktimers/309:55:203
3812622994435,7cyclictest391ktimers/309:55:203
3812609994437,5cyclictest3816589-21sshd07:19:400
3812609994436,4cyclictest3905848-21cron11:40:000
3812609994435,6cyclictest3823476-21sh07:40:010
3812622994334,5cyclictest3837210-21apt-get08:20:003
3812618994329,11cyclictest311ktimers/211:35:182
3812614994326,9cyclictest131rcu_preempt08:00:171
3812622994234,5cyclictest3914414-21idleruntime-cro12:05:003
3812622994230,8cyclictest3910974-21cron11:55:013
3812614994236,4cyclictest3890472-21kworker/u8:0+events_unbound10:55:131
3812614994235,4cyclictest3864706-21munin-plugin-st09:40:001
3812614994225,6cyclictest3828348-21kworker/u8:0+events_unbound08:48:271
3812622994130,6cyclictest0-21swapper/311:10:003
3812618994135,4cyclictest3879962-21kworker/u8:3+events_unbound10:30:122
3812618994122,7cyclictest3828348-21kworker/u8:0+events_unbound09:02:082
3812622994029,8cyclictest391ktimers/309:50:163
3812622994026,9cyclictest3838575-21grep08:20:303
3812622994014,14cyclictest0-21swapper/308:35:223
3812618994029,7cyclictest3900334-21grep11:20:332
3812618994029,7cyclictest0-21swapper/211:19:592
381260999401,3cyclictest0-21swapper/009:15:140
3812622993921,12cyclictest3887214-21gdbus10:45:003
3812618993920,6cyclictest3893206-21kworker/u8:2+events_unbound11:07:512
3812618993918,6cyclictest3895359-21kworker/u8:0+events_unbound12:28:562
3812609993929,7cyclictest3875025-21cron10:10:000
3812609993919,16cyclictest0-21swapper/008:40:010
3812618993829,5cyclictest0-21swapper/212:30:192
3812618993825,10cyclictest311ktimers/207:20:152
3812618993825,10cyclictest311ktimers/207:20:152
3812614993832,4cyclictest3809028-21kworker/u8:0+events_unbound07:19:411
3812614993831,5cyclictest3895359-21kworker/u8:0+events_unbound11:15:181
381260999387,5cyclictest131rcu_preempt07:30:180
3812609993829,5cyclictest3878449-21munin-plugin-st10:20:010
3812609993828,7cyclictest3885302-21sendmail10:40:000
3812609993826,8cyclictest3906912-21runrttasks11:40:290
3812622993726,7cyclictest0-21swapper/311:10:163
3812618993728,6cyclictest3867665-21unixbench_multi09:45:312
3812618993720,8cyclictest3867816-21kworker/u8:2+events_unbound10:00:412
3812618993720,8cyclictest3867816-21kworker/u8:2+events_unbound10:00:412
3812614993727,5cyclictest0-21swapper/112:25:011
3812609993718,16cyclictest3828825-21gdbus07:55:020
3812622993627,5cyclictest0-21swapper/311:39:593
3812618993628,4cyclictest0-21swapper/210:10:192
3812618993628,4cyclictest0-21swapper/209:30:012
3812614993626,6cyclictest3841240-21fschecks_time08:30:241
3812614993625,7cyclictest0-21swapper/107:15:011
3812622993527,4cyclictest0-21swapper/310:55:383
3812622993524,7cyclictest3814252-21munin-run07:15:013
3812618993525,6cyclictest3868506-21fschecks_count09:50:192
3812618993520,5cyclictest3912490-21kworker/u8:1+events_unbound12:11:412
3812618993517,6cyclictest3867816-21kworker/u8:2+events_unbound10:53:472
3812618993513,5cyclictest3879962-21kworker/u8:3+events_unbound11:54:562
3812614993527,5cyclictest3833800-21cron08:10:001
3812614993523,9cyclictest3823472-21sendmail07:40:011
3812609993529,4cyclictest3833809-21grep08:10:000
3812609993528,4cyclictest3851049-21sendmail09:00:010
3812622993426,5cyclictest0-21swapper/310:20:313
3812622993424,6cyclictest0-21swapper/310:35:003
3812622993422,8cyclictest3852328-21grep09:00:313
3812622993421,8cyclictest3893449-21grep11:00:323
3812618993427,4cyclictest0-21swapper/207:15:022
3812618993418,5cyclictest3831164-21kworker/u8:2+events_unbound08:31:222
3812609993428,4cyclictest3879962-21kworker/u8:3+events_unbound11:30:200
3812609993424,6cyclictest0-21swapper/009:10:000
3812609993423,8cyclictest121ktimers/011:25:200
3812609993423,8cyclictest121ktimers/011:25:200
381262299339,5cyclictest40-21ksoftirqd/312:00:003
3812622993323,6cyclictest3881477-21grep10:25:343
3812618993325,5cyclictest3914785-21fschecks_count12:05:202
3812618993323,6cyclictest3821367-21grep07:30:322
3812618993320,5cyclictest131rcu_preempt09:20:262
3812618993317,6cyclictest3849239-21kworker/u8:2+events_unbound08:55:332
381261899331,6cyclictest0-21swapper/208:00:182
3812618993316,5cyclictest3867816-21kworker/u8:2+events_unbound09:59:542
3812618993316,5cyclictest3867816-21kworker/u8:2+events_unbound09:59:542
3812618993310,5cyclictest0-21swapper/209:15:152
3812614993324,6cyclictest0-21swapper/110:25:001
3812614993324,6cyclictest0-21swapper/110:15:301
3812614993324,5cyclictest0-21swapper/110:05:311
3812609993325,5cyclictest0-21swapper/007:15:020
3812609993325,4cyclictest3840717-21munin-plugin-st08:30:010
3812609993325,4cyclictest3840717-21munin-plugin-st08:30:000
3812609993325,4cyclictest0-21swapper/009:10:290
3812609993325,4cyclictest0-21swapper/008:20:010
3812609993324,6cyclictest3859215-21kworker/u8:3+events_unbound09:35:030
3812609993323,6cyclictest0-21swapper/012:35:010
381262299329,5cyclictest40-21ksoftirqd/308:30:343
3812622993224,4cyclictest0-21swapper/308:05:193
381261899328,4cyclictest131rcu_preempt08:00:002
3812618993226,4cyclictest3837226-21idleruntime-cro08:20:002
3812618993225,3cyclictest0-21swapper/207:20:022
3812618993224,4cyclictest0-21swapper/208:24:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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