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2023-12-10 - 17:30

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 100 highest latencies:
System rack3slot5s.osadl.org (updated Sun Dec 10, 2023 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2445921090sleep11641150irq/30-eth0_g0_10:24:221
2445921090sleep11641150irq/30-eth0_g0_10:24:221
1211060ksoftirqd/11641150irq/30-eth0_g0_08:38:161
1211060ksoftirqd/11641150irq/30-eth0_g0_08:38:161
1211040ksoftirqd/11641150irq/30-eth0_g0_12:04:041
1211040ksoftirqd/11641150irq/30-eth0_g0_12:04:041
179302830sleep11641050irq/29-eth0_g0_07:45:001
121820ksoftirqd/11641050irq/29-eth0_g0_10:18:500
121660ksoftirqd/1107712chrt09:26:530
189242600sleep01641150irq/30-eth0_g0_12:13:270
189242600sleep01641150irq/30-eth0_g0_12:13:270
192932570sleep11641150irq/30-eth0_g0_10:01:161
192932570sleep11641150irq/30-eth0_g0_10:01:161
75862490sleep11641150irq/30-eth0_g0_09:14:581
121490ksoftirqd/11641050irq/29-eth0_g0_10:34:020
121490ksoftirqd/11641050irq/29-eth0_g0_10:34:020
206872470chrt1641050irq/29-eth0_g0_10:08:140
206872470chrt1641050irq/29-eth0_g0_10:08:140
1641050470irq/29-eth0_g0_2603-21runrttasks12:05:260
1641050470irq/29-eth0_g0_2603-21runrttasks12:05:260
121470ksoftirqd/11641150irq/30-eth0_g0_12:29:571
121470ksoftirqd/11641150irq/30-eth0_g0_12:29:571
121470ksoftirqd/11641150irq/30-eth0_g0_09:19:581
121470ksoftirqd/11641050irq/29-eth0_g0_12:12:441
121470ksoftirqd/11641050irq/29-eth0_g0_12:12:441
1641150460irq/30-eth0_g0_11-21kworker/1:009:27:241
153232460sleep01641050irq/29-eth0_g0_11:59:230
153232460sleep01641050irq/29-eth0_g0_11:59:230
1641050450irq/29-eth0_g0_2603-21runrttasks07:08:320
121450ksoftirqd/11641050irq/29-eth0_g0_12:05:331
121450ksoftirqd/11641050irq/29-eth0_g0_12:05:331
1641050440irq/29-eth0_g0_1825-21kworker/0:208:40:100
121440ksoftirqd/11641150irq/30-eth0_g0_10:07:431
121440ksoftirqd/11641150irq/30-eth0_g0_10:07:431
121440ksoftirqd/11641150irq/30-eth0_g0_07:37:330
121440ksoftirqd/11641150irq/30-eth0_g0_07:37:330
121440ksoftirqd/11641050irq/29-eth0_g0_11:25:241
121440ksoftirqd/11641050irq/29-eth0_g0_11:25:241
121440ksoftirqd/11641050irq/29-eth0_g0_10:39:381
1641050430irq/29-eth0_g0_2603-21runrttasks11:35:050
1641050430irq/29-eth0_g0_2603-21runrttasks10:23:440
1641050430irq/29-eth0_g0_2603-21runrttasks10:23:440
1641150420irq/30-eth0_g0_121ksoftirqd/109:47:421
1641150420irq/30-eth0_g0_121ksoftirqd/109:47:421
1641150420irq/30-eth0_g0_11-21kworker/1:009:43:081
1641150420irq/30-eth0_g0_11-21kworker/1:009:43:081
1641050420irq/29-eth0_g0_1825-21kworker/0:212:00:200
1641050420irq/29-eth0_g0_1825-21kworker/0:212:00:200
121572420sleep11641150irq/30-eth0_g0_11:45:091
121572420sleep11641150irq/30-eth0_g0_11:45:091
121420ksoftirqd/11641050irq/29-eth0_g0_07:51:071
121420ksoftirqd/11641050irq/29-eth0_g0_07:51:071
1641150410irq/30-eth0_g0_28254-21taskset10:39:491
1641150410irq/30-eth0_g0_28254-21taskset10:39:491
1641050410irq/29-eth0_g0_31ksoftirqd/011:45:160
1641050410irq/29-eth0_g0_31ksoftirqd/011:45:160
1641050410irq/29-eth0_g0_1825-21kworker/0:209:09:530
1641050410irq/29-eth0_g0_1825-21kworker/0:209:09:530
121410ksoftirqd/11641150irq/30-eth0_g0_11:50:090
121410ksoftirqd/11641150irq/30-eth0_g0_11:50:090
121410ksoftirqd/11641050irq/29-eth0_g0_12:16:131
121410ksoftirqd/11641050irq/29-eth0_g0_12:16:131
121410ksoftirqd/11641050irq/29-eth0_g0_09:55:361
121410ksoftirqd/11641050irq/29-eth0_g0_09:55:361
9098994035cyclictest5711-21df_abs11:19:561
9098994035cyclictest5711-21df_abs11:19:561
1641050400irq/29-eth0_g0_31ksoftirqd/010:49:350
1641050400irq/29-eth0_g0_31ksoftirqd/010:49:350
1641050400irq/29-eth0_g0_2603-21runrttasks09:00:450
1641050400irq/29-eth0_g0_2603-21runrttasks09:00:450
1641050400irq/29-eth0_g0_1825-21kworker/0:210:10:310
1641050400irq/29-eth0_g0_1825-21kworker/0:210:10:310
1641050400irq/29-eth0_g0_14854-21df_abs09:44:590
1641050400irq/29-eth0_g0_14854-21df_abs09:44:590
1641050400irq/29-eth0_g0_121ksoftirqd/109:24:210
121400ksoftirqd/11641150irq/30-eth0_g0_11:07:320
121400ksoftirqd/11641150irq/30-eth0_g0_11:07:320
121400ksoftirqd/11641150irq/30-eth0_g0_10:43:210
121400ksoftirqd/11641150irq/30-eth0_g0_10:43:210
121400ksoftirqd/11641150irq/30-eth0_g0_09:56:400
121400ksoftirqd/11641150irq/30-eth0_g0_09:56:400
121400ksoftirqd/11641150irq/30-eth0_g0_08:55:580
121400ksoftirqd/11641150irq/30-eth0_g0_08:35:560
121400ksoftirqd/11641150irq/30-eth0_g0_08:35:560
909899391cyclictest946-21iostat11:00:041
909899391cyclictest946-21iostat11:00:041
909899391cyclictest31838-21sort10:54:351
909899391cyclictest31838-21sort10:54:351
1641150390irq/30-eth0_g0_121ksoftirqd/110:14:441
1641150390irq/30-eth0_g0_121ksoftirqd/109:54:281
1641150390irq/30-eth0_g0_121ksoftirqd/109:54:281
1641150390irq/30-eth0_g0_121ksoftirqd/109:13:421
1641150390irq/30-eth0_g0_121ksoftirqd/109:13:421
1641150390irq/30-eth0_g0_11-21kworker/1:012:39:331
1641150390irq/30-eth0_g0_11-21kworker/1:012:39:331
1641150390irq/30-eth0_g0_11-21kworker/1:011:18:021
1641050390irq/29-eth0_g0_2603-21runrttasks12:21:090
1641050390irq/29-eth0_g0_2603-21runrttasks08:29:500
1641050390irq/29-eth0_g0_2603-21runrttasks08:29:500
1641050390irq/29-eth0_g0_1825-21kworker/0:212:28:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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