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2024-10-15 - 02:43

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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  Eltec
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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 the 50 highest latencies:
System rack3slot5s.osadl.org (updated Tue Oct 15, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2065021260sleep1121650irq/29-eth0_g0_22:09:541
91672830sleep1121650irq/29-eth0_g0_21:20:151
121830ksoftirqd/1121750irq/30-eth0_g0_23:25:051
177642780sleep1121750irq/30-eth0_g0_21:55:381
174832670sleep1121750irq/30-eth0_g0_00:09:481
121660ksoftirqd/113732sleep023:02:280
39072630sleep1121650irq/29-eth0_g0_23:13:191
142982530sleep1121750irq/30-eth0_g0_21:43:021
142982530sleep1121750irq/30-eth0_g0_21:43:021
154302510sleep1121750irq/30-eth0_g0_19:35:031
121510ksoftirqd/1121750irq/30-eth0_g0_23:59:231
100862510sleep1121650irq/29-eth0_g0_23:39:051
209482490sleep0121750irq/30-eth0_g0_00:22:260
209482490sleep0121750irq/30-eth0_g0_00:22:260
121650490irq/29-eth0_g0_8445-21grep23:30:100
121490ksoftirqd/1121650irq/29-eth0_g0_21:33:270
121650480irq/29-eth0_g0_137132sleep023:53:320
235362470sleep0121750irq/30-eth0_g0_00:34:060
121470ksoftirqd/1121750irq/30-eth0_g0_22:56:351
121470ksoftirqd/1121750irq/30-eth0_g0_21:28:291
121650460irq/29-eth0_g0_9472-21awk19:10:050
121650460irq/29-eth0_g0_29008-21ntp_kernel_err20:30:060
121460ksoftirqd/1121750irq/30-eth0_g0_00:16:381
178432450sleep0121650irq/29-eth0_g0_21:56:330
121650450irq/29-eth0_g0_121ksoftirqd/122:25:280
121650450irq/29-eth0_g0_121ksoftirqd/122:25:280
121650450irq/29-eth0_g0_112492sleep023:43:220
121650440irq/29-eth0_g0_12221-21unixbench_singl19:20:080
121440ksoftirqd/1121750irq/30-eth0_g0_21:38:001
121440ksoftirqd/1121750irq/30-eth0_g0_21:15:001
121440ksoftirqd/1121650irq/29-eth0_g0_22:41:150
121440ksoftirqd/1121650irq/29-eth0_g0_20:59:211
324942430sleep0121650irq/29-eth0_g0_22:56:250
121430ksoftirqd/1304052sleep020:35:110
121430ksoftirqd/1121750irq/30-eth0_g0_19:47:060
121430ksoftirqd/1121650irq/29-eth0_g0_20:00:031
121750420irq/30-eth0_g0_470-21kworker/1:123:47:121
121750420irq/30-eth0_g0_470-21kworker/1:122:20:451
121650420irq/29-eth0_g0_8116-21latency19:05:030
121650420irq/29-eth0_g0_1814-21runrttasks00:03:260
121650420irq/29-eth0_g0_12049-21timerandwakeup23:45:080
121650420irq/29-eth0_g0_121ksoftirqd/123:09:491
121420ksoftirqd/1121750irq/30-eth0_g0_23:33:131
121420ksoftirqd/1121650irq/29-eth0_g0_21:47:231
98962410chrt121650irq/29-eth0_g0_23:36:500
74782410sleep0121750irq/30-eth0_g0_23:27:110
263572410sleep0121750irq/30-eth0_g0_22:31:070
263572410sleep0121750irq/30-eth0_g0_22:31:070
121750410irq/30-eth0_g0_470-21kworker/1:122:26:371
121750410irq/30-eth0_g0_470-21kworker/1:122:26:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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