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2024-11-23 - 20:32

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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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5s.osadl.org (updated Sat Nov 23, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1250221700sleep0121550irq/29-eth0_g0_12:06:450
225121060sleep0121650irq/30-eth0_g0_11:22:270
121860ksoftirqd/1121650irq/30-eth0_g0_07:05:291
163112840sleep0121650irq/30-eth0_g0_10:07:410
121820ksoftirqd/1121650irq/30-eth0_g0_09:57:461
247132780sleep0121650irq/30-eth0_g0_10:40:430
121710ksoftirqd/1121650irq/30-eth0_g0_11:20:061
299252670sleep0121550irq/29-eth0_g0_11:04:200
121670ksoftirqd/1121650irq/30-eth0_g0_12:21:261
11532650sleep0121650irq/30-eth0_g0_11:19:190
102552630chrt121650irq/30-eth0_g0_07:30:140
211492580sleep0121650irq/30-eth0_g0_08:15:080
212862560sleep0121650irq/30-eth0_g0_10:28:340
75182520sleep0121550irq/29-eth0_g0_11:45:490
100832490sleep1121550irq/29-eth0_g0_11:57:081
44412480chrt121550irq/29-eth0_g0_11:35:021
188692480sleep0121650irq/30-eth0_g0_12:34:350
188692480sleep0121650irq/30-eth0_g0_12:34:350
121480ksoftirqd/1121650irq/30-eth0_g0_10:39:101
121480ksoftirqd/1121650irq/30-eth0_g0_07:33:261
225482470sleep0121550irq/29-eth0_g0_10:34:030
121550470irq/29-eth0_g0_4250-21unixbench_multi07:05:310
136462460sleep0121550irq/29-eth0_g0_12:10:500
121550460irq/29-eth0_g0_27995-21ntpdc10:55:060
121550460irq/29-eth0_g0_27995-21ntpdc10:55:060
273272450sleep0121550irq/29-eth0_g0_10:52:370
273272450sleep0121550irq/29-eth0_g0_10:52:370
121450ksoftirqd/1121550irq/29-eth0_g0_11:10:131
121550440irq/29-eth0_g0_31ksoftirqd/010:00:110
121550440irq/29-eth0_g0_1985-21runrttasks08:54:410
39022430sleep0121550irq/29-eth0_g0_11:31:300
121550430irq/29-eth0_g0_31ksoftirqd/009:20:570
121550430irq/29-eth0_g0_13-21kworker/0:109:37:390
121550430irq/29-eth0_g0_121ksoftirqd/112:37:130
121550430irq/29-eth0_g0_121ksoftirqd/112:37:130
112082430sleep0121650irq/30-eth0_g0_12:00:580
149702420chrt121550irq/29-eth0_g0_12:16:591
149572420sleep0121650irq/30-eth0_g0_12:16:490
121650420irq/30-eth0_g0_1227-21kworker/1:212:10:491
121650420irq/30-eth0_g0_1227-21kworker/1:211:32:591
121550420irq/29-eth0_g0_1985-21runrttasks09:07:250
121550420irq/29-eth0_g0_121ksoftirqd/112:20:370
121550420irq/29-eth0_g0_121ksoftirqd/110:18:110
121550420irq/29-eth0_g0_0-21swapper/008:10:170
187572410sleep1121550irq/29-eth0_g0_12:33:161
187572410sleep1121550irq/29-eth0_g0_12:33:161
121650410irq/30-eth0_g0_1227-21kworker/1:210:26:451
121650410irq/30-eth0_g0_1227-21kworker/1:209:14:541
121550410irq/29-eth0_g0_31ksoftirqd/012:29:140
121550410irq/29-eth0_g0_31ksoftirqd/011:40:030
121550410irq/29-eth0_g0_1985-21runrttasks10:21:460
121550410irq/29-eth0_g0_13-21kworker/0:111:57:130
121550410irq/29-eth0_g0_13-21kworker/0:109:40:570
121550410irq/29-eth0_g0_13-21kworker/0:109:19:460
223032400chrt121550irq/29-eth0_g0_10:31:101
121650400irq/30-eth0_g0_1227-21kworker/1:212:35:041
121650400irq/30-eth0_g0_1227-21kworker/1:212:35:041
121650400irq/30-eth0_g0_0-21swapper/110:52:271
121650400irq/30-eth0_g0_0-21swapper/110:52:271
121550400irq/29-eth0_g0_19459-21latency_hist08:09:500
121550400irq/29-eth0_g0_13-21kworker/0:111:37:540
121550400irq/29-eth0_g0_13-21kworker/0:111:24:560
121550400irq/29-eth0_g0_13-21kworker/0:111:05:160
121550400irq/29-eth0_g0_13-21kworker/0:110:46:310
121550400irq/29-eth0_g0_13-21kworker/0:109:58:520
121550400irq/29-eth0_g0_13-21kworker/0:109:51:230
121550400irq/29-eth0_g0_13-21kworker/0:109:46:350
121550400irq/29-eth0_g0_13-21kworker/0:109:28:160
121550400irq/29-eth0_g0_13-21kworker/0:109:14:460
121400ksoftirqd/1121550irq/29-eth0_g0_07:45:071
121650390irq/30-eth0_g0_5737-21sh11:40:021
121650390irq/30-eth0_g0_13-21kworker/0:110:37:160
121650390irq/30-eth0_g0_0-21swapper/110:08:471
121650390irq/30-eth0_g0_0-21swapper/110:03:371
121550390irq/29-eth0_g0_31ksoftirqd/011:12:190
121550390irq/29-eth0_g0_31ksoftirqd/010:12:040
121550390irq/29-eth0_g0_13-21kworker/0:111:53:120
121650380irq/30-eth0_g0_1227-21kworker/1:211:45:231
121650380irq/30-eth0_g0_1227-21kworker/1:210:16:361
121650380irq/30-eth0_g0_1227-21kworker/1:210:11:561
121550380irq/29-eth0_g0_31ksoftirqd/009:33:330
121550380irq/29-eth0_g0_23164-21latency_hist08:24:500
121380ksoftirqd/1121550irq/29-eth0_g0_12:02:491
121380ksoftirqd/1121550irq/29-eth0_g0_09:05:071
121650370irq/30-eth0_g0_17185-21unixbench_multi12:25:111
121650370irq/30-eth0_g0_1227-21kworker/1:211:50:591
121650370irq/30-eth0_g0_1227-21kworker/1:211:06:021
121650370irq/30-eth0_g0_1227-21kworker/1:211:01:171
121650370irq/30-eth0_g0_1227-21kworker/1:210:20:211
121650370irq/30-eth0_g0_1227-21kworker/1:209:39:021
121550370irq/29-eth0_g0_31ksoftirqd/008:27:120
121550370irq/29-eth0_g0_13704-21/usr/sbin/munin07:45:070
121370ksoftirqd/1121550irq/29-eth0_g0_08:20:011
121650360irq/30-eth0_g0_24335-21ntpq10:40:071
121650360irq/30-eth0_g0_1227-21kworker/1:209:33:551
121650360irq/30-eth0_g0_11077-21seq09:45:121
121650360irq/30-eth0_g0_0-21swapper/109:42:411
121650360irq/30-eth0_g0_0-21swapper/109:10:441
121550360irq/29-eth0_g0_1985-21runrttasks08:58:550
121550360irq/29-eth0_g0_1985-21runrttasks08:36:330
121550360irq/29-eth0_g0_1985-21runrttasks07:34:540
121360ksoftirqd/1121550irq/29-eth0_g0_08:50:111
121650350irq/30-eth0_g0_6501-21proc_pri07:15:091
121650350irq/30-eth0_g0_31224-21grep08:55:101
121650350irq/30-eth0_g0_1227-21kworker/1:210:56:181
121650350irq/30-eth0_g0_1227-21kworker/1:210:56:181
121650350irq/30-eth0_g0_0-21swapper/111:27:321
121650350irq/30-eth0_g0_0-21swapper/109:24:421
121550350irq/29-eth0_g0_8761-21latency07:25:030
121550350irq/29-eth0_g0_7853-21timerandwakeup07:20:130
121550350irq/29-eth0_g0_1985-21runrttasks09:02:220
121550350irq/29-eth0_g0_1985-21runrttasks08:47:380
121550350irq/29-eth0_g0_1985-21runrttasks07:55:000
121550350irq/29-eth0_g0_1985-21runrttasks07:15:260
121550350irq/29-eth0_g0_12168-21fgrep12:05:111
121550350irq/29-eth0_g0_0-21swapper/007:40:090
121650340irq/30-eth0_g0_27034-21chrt08:40:021
121650340irq/30-eth0_g0_1227-21kworker/1:211:16:571
121650340irq/30-eth0_g0_1227-21kworker/1:210:48:301
121650340irq/30-eth0_g0_0-21swapper/109:25:171
121550340irq/29-eth0_g0_1985-21runrttasks08:39:550
121550340irq/29-eth0_g0_1985-21runrttasks08:30:530
121550340irq/29-eth0_g0_1985-21runrttasks07:59:520
121550340irq/29-eth0_g0_1985-21runrttasks07:10:340
121650330irq/30-eth0_g0_24526-21grep08:30:031
121650330irq/30-eth0_g0_12553-21ntp_kernel_err07:40:061
121650330irq/30-eth0_g0_1227-21kworker/1:209:52:251
121550330irq/29-eth0_g0_1985-21runrttasks07:52:360
121330ksoftirqd/1121550irq/29-eth0_g0_08:35:051
121330ksoftirqd/1121550irq/29-eth0_g0_08:19:501
121330ksoftirqd/1121550irq/29-eth0_g0_07:20:031
121650320irq/30-eth0_g0_16399-21taskset07:55:081
121550320irq/29-eth0_g0_28454-21cat08:45:051
121320ksoftirqd/111829-21taskset07:36:511
121650310irq/30-eth0_g0_15087-21proc_pri07:50:061
121550310irq/29-eth0_g0_8554-21seq07:25:001
121550310irq/29-eth0_g0_5498-21grep07:10:111
121550310irq/29-eth0_g0_31803-21runrttasks08:59:501
121550310irq/29-eth0_g0_18955-21sed08:05:101
121550310irq/29-eth0_g0_17766-21grep08:00:111
121310ksoftirqd/123502-21taskset08:25:041
121650290irq/30-eth0_g0_19949-21ntp_states08:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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