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2021-09-19 - 18:07

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 
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  Eltec

e500v2, Linux 3.2.34-rt51-babq2 (Profile)

Latency plot of shadow in rack #3, 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
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 alll highest latencies:
System rack3slot5s.osadl.org (updated Wed Mar 17, 2021 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1001621450sleep1121650irq/29-eth0_g0_22:34:171
121850ksoftirqd/1121750irq/30-eth0_g0_00:19:361
26632800sleep1121750irq/30-eth0_g0_22:03:511
26632800sleep1121750irq/30-eth0_g0_22:03:511
121760ksoftirqd/1121650irq/29-eth0_g0_23:34:471
40602730sleep1121750irq/30-eth0_g0_19:54:431
121670ksoftirqd/1121750irq/30-eth0_g0_00:24:430
85562580sleep1121750irq/30-eth0_g0_22:26:241
85562580sleep1121750irq/30-eth0_g0_22:26:241
237602560sleep0121650irq/29-eth0_g0_21:15:010
121550ksoftirqd/1121750irq/30-eth0_g0_22:13:431
121550ksoftirqd/1121750irq/30-eth0_g0_22:13:431
251562490sleep0121750irq/30-eth0_g0_21:22:000
121490ksoftirqd/1121750irq/30-eth0_g0_22:57:191
121490ksoftirqd/1121750irq/30-eth0_g0_22:57:191
121490ksoftirqd/1121650irq/29-eth0_g0_00:00:050
121470ksoftirqd/1121750irq/30-eth0_g0_23:08:281
121470ksoftirqd/1121650irq/29-eth0_g0_22:23:141
121470ksoftirqd/1121650irq/29-eth0_g0_22:23:141
121460ksoftirqd/1121750irq/30-eth0_g0_21:13:481
121460ksoftirqd/1121750irq/30-eth0_g0_21:13:481
121460ksoftirqd/1121650irq/29-eth0_g0_00:12:111
121460ksoftirqd/1121650irq/29-eth0_g0_00:12:111
62882450sleep1121650irq/29-eth0_g0_22:18:201
62882450sleep1121650irq/29-eth0_g0_22:18:201
121650450irq/29-eth0_g0_10279-21chrt22:34:310
121650440irq/29-eth0_g0_31ksoftirqd/023:44:320
121650440irq/29-eth0_g0_31ksoftirqd/023:44:320
121440ksoftirqd/1121650irq/29-eth0_g0_00:22:350
298222430sleep0121650irq/29-eth0_g0_19:29:290
2482099438cyclictest24888-21cpu19:09:281
121750430irq/30-eth0_g0_470-21kworker/1:123:58:141
121750430irq/30-eth0_g0_470-21kworker/1:122:43:021
121750430irq/30-eth0_g0_470-21kworker/1:121:46:131
121650430irq/29-eth0_g0_13-21kworker/0:119:29:420
121430ksoftirqd/1121750irq/30-eth0_g0_19:54:170
121430ksoftirqd/1121650irq/29-eth0_g0_22:31:030
121430ksoftirqd/1121650irq/29-eth0_g0_19:48:541
276272420sleep1121650irq/29-eth0_g0_21:32:181
276272420sleep1121650irq/29-eth0_g0_21:32:181
121750420irq/30-eth0_g0_470-21kworker/1:121:21:551
121750420irq/30-eth0_g0_121ksoftirqd/121:26:351
2482099412cyclictest29144-21df21:39:281
2482099411cyclictest20621-21sed21:04:281
227572410sleep1121750irq/30-eth0_g0_23:24:521
121750410irq/30-eth0_g0_470-21kworker/1:123:59:591
121750410irq/30-eth0_g0_306192sleep023:57:150
121750410irq/30-eth0_g0_121ksoftirqd/100:27:311
121650410irq/29-eth0_g0_31ksoftirqd/000:29:490
121650410irq/29-eth0_g0_31ksoftirqd/000:29:490
121650410irq/29-eth0_g0_2394-21runrttasks19:09:160
121650410irq/29-eth0_g0_13-21kworker/0:121:41:320
121650410irq/29-eth0_g0_13-21kworker/0:121:41:320
121650410irq/29-eth0_g0_121ksoftirqd/100:18:330
121410ksoftirqd/1121650irq/29-eth0_g0_22:05:191
121410ksoftirqd/1121650irq/29-eth0_g0_22:05:191
2482099404cyclictest7148-21df_abs00:34:301
2482099401cyclictest28015-21tail19:19:461
2482099401cyclictest28015-21tail19:19:461
20662400sleep0121650irq/29-eth0_g0_00:14:260
20662400sleep0121650irq/29-eth0_g0_00:14:260
121750400irq/30-eth0_g0_121ksoftirqd/121:50:581
121750400irq/30-eth0_g0_121ksoftirqd/121:50:581
121650400irq/29-eth0_g0_7372sleep000:08:490
121650400irq/29-eth0_g0_31ksoftirqd/023:01:510
121650400irq/29-eth0_g0_31ksoftirqd/023:01:510
121650400irq/29-eth0_g0_31ksoftirqd/022:19:590
121650400irq/29-eth0_g0_31ksoftirqd/022:19:590
121650400irq/29-eth0_g0_13-21kworker/0:123:05:350
121650400irq/29-eth0_g0_13-21kworker/0:122:51:400
121650400irq/29-eth0_g0_13-21kworker/0:122:25:360
121650400irq/29-eth0_g0_13-21kworker/0:122:25:360
121650400irq/29-eth0_g0_13-21kworker/0:121:14:050
121650400irq/29-eth0_g0_13-21kworker/0:121:14:050
121650400irq/29-eth0_g0_121ksoftirqd/100:15:051
121400ksoftirqd/1121750irq/30-eth0_g0_21:46:520
121400ksoftirqd/1121750irq/30-eth0_g0_20:14:080
121400ksoftirqd/1121750irq/30-eth0_g0_20:01:290
121400ksoftirqd/1121650irq/29-eth0_g0_22:36:221
2482099392cyclictest13191-21unixbench_multi22:44:461
2482099391cyclictest6100-21expr00:29:351
2482099391cyclictest6100-21expr00:29:351
2482099391cyclictest27489-21cat23:44:351
2482099391cyclictest27489-21cat23:44:351
2482099391cyclictest26831-21grep19:14:451
171942390sleep1121750irq/30-eth0_g0_23:02:311
171942390sleep1121750irq/30-eth0_g0_23:02:311
121750390irq/30-eth0_g0_121ksoftirqd/123:10:461
121650390irq/29-eth0_g0_9818-21iostat20:19:330
121650390irq/29-eth0_g0_13-21kworker/0:123:37:520
121650390irq/29-eth0_g0_13-21kworker/0:122:56:210
121650390irq/29-eth0_g0_13-21kworker/0:122:56:210
121650390irq/29-eth0_g0_13-21kworker/0:122:40:210
121650390irq/29-eth0_g0_13-21kworker/0:122:05:170
121650390irq/29-eth0_g0_13-21kworker/0:122:05:170
121650390irq/29-eth0_g0_13-21kworker/0:121:52:550
121650390irq/29-eth0_g0_13-21kworker/0:121:52:550
121650390irq/29-eth0_g0_13-21kworker/0:121:28:110
121650390irq/29-eth0_g0_121ksoftirqd/121:41:091
121650390irq/29-eth0_g0_121ksoftirqd/121:41:091
121390ksoftirqd/1121750irq/30-eth0_g0_23:51:530
121390ksoftirqd/1121750irq/30-eth0_g0_23:19:060
121390ksoftirqd/1121750irq/30-eth0_g0_22:18:380
121390ksoftirqd/1121750irq/30-eth0_g0_22:18:380
121390ksoftirqd/1121750irq/30-eth0_g0_22:01:060
121390ksoftirqd/1121750irq/30-eth0_g0_22:01:060
121390ksoftirqd/1121750irq/30-eth0_g0_21:05:180
121390ksoftirqd/1121750irq/30-eth0_g0_20:36:080
121390ksoftirqd/1121750irq/30-eth0_g0_20:36:080
121390ksoftirqd/1121750irq/30-eth0_g0_20:16:280
121390ksoftirqd/1121750irq/30-eth0_g0_19:54:410
121390ksoftirqd/1121750irq/30-eth0_g0_19:47:170
121390ksoftirqd/1121750irq/30-eth0_g0_19:43:420
121390ksoftirqd/1121750irq/30-eth0_g0_19:37:450
121390ksoftirqd/1121750irq/30-eth0_g0_19:20:540
121390ksoftirqd/1121750irq/30-eth0_g0_19:20:540
121390ksoftirqd/1121750irq/30-eth0_g0_00:37:530
121390ksoftirqd/1121650irq/29-eth0_g0_23:34:231
121390ksoftirqd/1121650irq/29-eth0_g0_20:31:401
121390ksoftirqd/1121650irq/29-eth0_g0_20:22:011
121390ksoftirqd/1121650irq/29-eth0_g0_20:04:271
2482099382cyclictest32638-21ntp_states19:39:431
2482099381cyclictest16893-21date20:49:291
121750380irq/30-eth0_g0_26998-21taskset23:42:471
121750380irq/30-eth0_g0_26998-21taskset23:42:471
121750380irq/30-eth0_g0_121ksoftirqd/121:18:241
121750380irq/30-eth0_g0_0-21swapper/121:56:111
121750380irq/30-eth0_g0_0-21swapper/121:56:111
121650380irq/29-eth0_g0_13-21kworker/0:123:11:180
121380ksoftirqd/1121750irq/30-eth0_g0_23:41:480
121380ksoftirqd/1121750irq/30-eth0_g0_23:41:480
121380ksoftirqd/1121750irq/30-eth0_g0_21:35:040
121380ksoftirqd/1121750irq/30-eth0_g0_21:34:150
121380ksoftirqd/1121750irq/30-eth0_g0_21:34:150
121380ksoftirqd/1121650irq/29-eth0_g0_20:11:171
2482099372cyclictest4942-21wc19:59:331
2482099372cyclictest28803-21iostat19:24:341
145682370sleep1121650irq/29-eth0_g0_22:50:221
121750370irq/30-eth0_g0_121ksoftirqd/120:24:511
121650370irq/29-eth0_g0_26601-21/usr/sbin/munin19:14:410
121650370irq/29-eth0_g0_2394-21runrttasks20:28:420
121650370irq/29-eth0_g0_19737-21grep20:59:390
121650370irq/29-eth0_g0_19475-21df_abs20:59:300
121650370irq/29-eth0_g0_13-21kworker/0:123:33:510
121650370irq/29-eth0_g0_13-21kworker/0:123:26:030
121650370irq/29-eth0_g0_13-21kworker/0:122:13:390
121650370irq/29-eth0_g0_13-21kworker/0:122:13:390
121650370irq/29-eth0_g0_13-21kworker/0:121:54:520
121650370irq/29-eth0_g0_13-21kworker/0:121:54:520
121370ksoftirqd/1121750irq/30-eth0_g0_19:09:460
121370ksoftirqd/1121650irq/29-eth0_g0_23:19:281
2482099361cyclictest31671-21grep19:34:461
2482099361cyclictest21694-21diskmemload23:22:581
2482099361cyclictest21694-21diskmemload23:22:581
2482099361cyclictest18783-21grep20:54:461
2482099361cyclictest18783-21grep20:54:461
2482099361cyclictest17536-21tail20:49:461
2482099361cyclictest17536-21tail20:49:461
121650360irq/29-eth0_g0_2394-21runrttasks23:20:330
121650360irq/29-eth0_g0_2394-21runrttasks23:20:330
121650360irq/29-eth0_g0_14703-21latency20:39:330
121650360irq/29-eth0_g0_13-21kworker/0:122:47:250
121360ksoftirqd/1121750irq/30-eth0_g0_20:55:360
2482099351cyclictest28716-21latency23:49:331
121650350irq/29-eth0_g0_121ksoftirqd/100:09:181
121350ksoftirqd/141350irq/23-fsldma-c20:14:361
2482099341cyclictest30933-21taskset19:34:251
2482099341cyclictest25149-21cat19:09:341
2482099341cyclictest195092sleep120:59:311
121750340irq/30-eth0_g0_3419-21cpu19:54:271
121750340irq/30-eth0_g0_16382-21head20:44:460
121650340irq/29-eth0_g0_12665-21grep20:29:430
2482099331cyclictest0-21swapper/120:39:411
121650330irq/29-eth0_g0_6319-21ntp_states20:04:370
121650330irq/29-eth0_g0_17026-21df_abs20:49:300
121650330irq/29-eth0_g0_17026-21df_abs20:49:300
121650300irq/29-eth0_g0_13775-21zcat20:34:421
121650300irq/29-eth0_g0_13775-21zcat20:34:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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