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2022-07-07 - 01:33

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, Linux 4.9.20-rt16, x86_64 highest latencies:
System rackbslot5s (updated Wed Jul 06, 2022 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191274996935,28cyclictest121ktimers/009:25:130
191274995221,2cyclictest0-21swapper/007:50:140
191274995115,8cyclictest0-21swapper/011:55:240
191274994936,9cyclictest121ktimers/009:20:250
191286994841,4cyclictest275615-21cut11:15:003
191286994841,4cyclictest275615-21cut11:15:003
191274994817,7cyclictest0-21swapper/008:15:000
191286994739,6cyclictest198462-21kworker/u8:0+events_unbound07:33:003
191286994724,7cyclictest295895-21kworker/u8:0+events_unbound12:37:493
191286994724,7cyclictest295895-21kworker/u8:0+events_unbound12:37:483
191274994733,11cyclictest121ktimers/010:35:120
191274994721,5cyclictest0-21swapper/007:30:270
191274994620,6cyclictest0-21swapper/007:10:260
191286994537,4cyclictest217457-21munin-plugin-st08:25:013
191282994537,6cyclictest270253-21kworker/u8:2+events_unbound10:58:342
191277994539,4cyclictest212109-21kworker/u8:2+events_unbound08:33:131
191277994539,3cyclictest289330-21idleruntime-cro11:55:001
191286994336,4cyclictest236219-21idleruntime-cro09:20:003
191286994332,8cyclictest391ktimers/308:15:113
191274994335,4cyclictest270515-21sendmail11:00:000
191286994130,7cyclictest0-21swapper/310:20:013
191286994130,6cyclictest296604-21fschecks_count12:15:173
191282994135,4cyclictest268480-21kworker/u8:3+events_unbound11:03:342
191282994135,4cyclictest212109-21kworker/u8:2+events_unbound08:28:102
191282994123,5cyclictest131rcu_preempt10:38:442
191277994135,4cyclictest260025-21kworker/u8:1+events_unbound10:38:321
191277994134,5cyclictest212109-21kworker/u8:2+events_unbound08:48:151
191277994130,8cyclictest236235-21latency_hist09:20:011
191286994033,4cyclictest213529-21unixbench_singl08:10:263
191286994025,9cyclictest0-21swapper/309:00:243
191282994025,4cyclictest131rcu_preempt08:24:132
191277994034,4cyclictest218806-21kworker/u8:1+events_unbound08:53:151
191277994033,5cyclictest244605-21kworker/u8:1+events_unbound09:45:101
191277994020,7cyclictest131rcu_preempt11:35:111
191286993932,4cyclictest244797-21auditctl09:45:003
191282993933,4cyclictest287400-21kworker/u8:2+events_unbound11:48:382
191282993933,4cyclictest273806-21kworker/u8:2+events_unbound11:13:332
191282993933,4cyclictest273806-21kworker/u8:2+events_unbound11:13:322
191282993932,5cyclictest278955-21kworker/u8:0+events_unbound11:33:362
191282993930,4cyclictest0-21swapper/210:05:252
191282993923,5cyclictest297818-21kworker/u8:3+events_unbound12:27:062
191277993931,6cyclictest260025-21kworker/u8:1+events_unbound11:08:341
191277993916,12cyclictest131rcu_preempt08:10:171
19127799391,19cyclictest24-21ksoftirqd/109:30:111
191286993829,5cyclictest0-21swapper/312:03:403
191286993829,5cyclictest0-21swapper/308:40:163
191282993830,4cyclictest0-21swapper/209:35:152
191282993829,4cyclictest0-21swapper/210:15:152
191282993826,7cyclictest244794-21sh09:45:012
191282993822,4cyclictest131rcu_preempt12:05:342
191277993831,4cyclictest192913-21munin-plugin-st07:15:001
191277993828,7cyclictest287627-21munin-run11:50:001
191277993818,6cyclictest295895-21kworker/u8:0+events_unbound12:14:031
191274993830,4cyclictest0-21swapper/012:25:000
191274993828,6cyclictest0-21swapper/008:05:260
191274993827,7cyclictest256783-21sh10:20:010
191274993827,6cyclictest228906-21unixbench_multi08:55:250
191286993731,4cyclictest246315-21kworker/u8:2+events_unbound10:13:253
191282993723,5cyclictest131rcu_preempt08:58:412
191282993723,4cyclictest131rcu_preempt12:33:332
191282993720,6cyclictest191964-21kworker/u8:3+events_unbound07:15:132
191282993719,7cyclictest212109-21kworker/u8:2+events_unbound08:12:542
191282993718,4cyclictest131rcu_preempt09:14:082
191277993731,4cyclictest260025-21kworker/u8:1+events_unbound10:43:321
191277993721,5cyclictest131rcu_preempt10:10:171
191277993719,6cyclictest273806-21kworker/u8:2+events_unbound11:22:081
191286993629,4cyclictest241380-21auditctl09:35:013
191286993625,6cyclictest0-21swapper/311:50:243
191286993623,5cyclictest268480-21kworker/u8:3+events_unbound11:03:103
191282993623,5cyclictest257116-21kworker/u8:2+events_unbound10:48:132
191282993620,5cyclictest131rcu_preempt10:30:292
191282993618,6cyclictest268480-21kworker/u8:3+events_unbound12:04:132
191282993618,5cyclictest131rcu_preempt11:25:002
191282993617,5cyclictest131rcu_preempt11:50:252
191282993613,12cyclictest131rcu_preempt10:50:142
191277993630,4cyclictest256793-21munin-run10:20:011
191277993629,5cyclictest164420-21kworker/u8:2+events_unbound07:27:591
191277993628,4cyclictest234218-21kworker/u8:3+events_unbound09:38:231
19127799361,18cyclictest217451-21idleruntime-cro08:25:011
191274993627,5cyclictest0-21swapper/011:35:010
191274993626,7cyclictest284591-21grep11:40:160
191274993624,8cyclictest272623-21cut11:05:160
191286993519,6cyclictest174079-21kworker/u8:1+events_unbound08:09:293
191282993527,6cyclictest311ktimers/210:00:162
191282993518,7cyclictest198462-21kworker/u8:0+events_unbound07:31:242
191282993518,5cyclictest131rcu_preempt10:40:212
191282993516,10cyclictest131rcu_preempt11:15:202
19127799359,14cyclictest24-21ksoftirqd/109:40:251
191277993526,6cyclictest292741-21idleruntime-cro12:05:001
191277993521,4cyclictest131rcu_preempt08:07:481
191277993519,3cyclictest131rcu_preempt08:40:231
191277993518,5cyclictest131rcu_preempt07:15:051
191277993517,5cyclictest131rcu_preempt12:20:201
191274993525,7cyclictest240913-21grep09:30:260
191286993424,6cyclictest0-21swapper/310:45:263
191286993417,6cyclictest174079-21kworker/u8:1+events_unbound07:48:313
191286993417,5cyclictest198462-21kworker/u8:0+events_unbound07:28:073
191282993426,4cyclictest0-21swapper/208:40:252
191282993422,5cyclictest234218-21kworker/u8:3+events_unbound09:46:332
191282993419,7cyclictest174079-21kworker/u8:1+events_unbound08:01:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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