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2024-04-25 - 23:57

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 792 highest latencies:
System rack3slot5s.osadl.org (updated Thu Apr 25, 2024 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290821360sleep1945550irq/29-eth0_g0_09:51:051
1211180ksoftirqd/1945650irq/30-eth0_g0_10:24:351
1211130ksoftirqd/1945650irq/30-eth0_g0_08:29:371
1211100ksoftirqd/1945650irq/30-eth0_g0_12:24:341
121750ksoftirqd/1945650irq/30-eth0_g0_08:43:431
121690ksoftirqd/1945550irq/29-eth0_g0_09:29:361
121550ksoftirqd/1945650irq/30-eth0_g0_11:21:011
121520ksoftirqd/1945650irq/30-eth0_g0_11:13:471
121500ksoftirqd/1945550irq/29-eth0_g0_11:18:520
945550490irq/29-eth0_g0_31ksoftirqd/009:14:320
153962490sleep0945650irq/30-eth0_g0_10:44:000
121490ksoftirqd/1945650irq/30-eth0_g0_10:34:241
121490ksoftirqd/1945650irq/30-eth0_g0_09:47:181
945550480irq/29-eth0_g0_31ksoftirqd/008:19:380
121480ksoftirqd/1945650irq/30-eth0_g0_12:08:081
121480ksoftirqd/1945650irq/30-eth0_g0_11:46:491
121480ksoftirqd/1945650irq/30-eth0_g0_11:28:341
121480ksoftirqd/1945650irq/30-eth0_g0_09:39:521
121480ksoftirqd/1945650irq/30-eth0_g0_09:11:491
254992470sleep0945550irq/29-eth0_g0_09:10:350
121470ksoftirqd/1945650irq/30-eth0_g0_11:15:391
121470ksoftirqd/1945550irq/29-eth0_g0_11:51:141
121470ksoftirqd/1945550irq/29-eth0_g0_11:43:221
121460ksoftirqd/1945650irq/30-eth0_g0_11:29:560
121460ksoftirqd/1945650irq/30-eth0_g0_10:51:281
121460ksoftirqd/1945650irq/30-eth0_g0_10:42:081
121460ksoftirqd/1945550irq/29-eth0_g0_10:34:260
945550450irq/29-eth0_g0_1845-21runrttasks08:40:280
280032450sleep0945650irq/30-eth0_g0_09:21:130
121450ksoftirqd/1945650irq/30-eth0_g0_12:01:351
121450ksoftirqd/1945650irq/30-eth0_g0_10:58:151
121440ksoftirqd/1945650irq/30-eth0_g0_12:30:090
121440ksoftirqd/1945650irq/30-eth0_g0_11:33:291
121440ksoftirqd/1945550irq/29-eth0_g0_07:59:361
945650430irq/30-eth0_g0_9454-21kworker/1:012:19:551
945650430irq/30-eth0_g0_121ksoftirqd/110:04:361
2766799432cyclictest2478-21lldpd09:55:281
121430ksoftirqd/1945550irq/29-eth0_g0_10:47:211
121430ksoftirqd/1945550irq/29-eth0_g0_09:57:020
945550420irq/29-eth0_g0_1845-21runrttasks07:07:410
121420ksoftirqd/1945650irq/30-eth0_g0_10:56:390
121420ksoftirqd/1945550irq/29-eth0_g0_10:20:081
121420ksoftirqd/1945550irq/29-eth0_g0_09:34:151
945550410irq/29-eth0_g0_283022sleep011:34:390
945550410irq/29-eth0_g0_121ksoftirqd/110:29:381
945550410irq/29-eth0_g0_121ksoftirqd/109:14:361
121410ksoftirqd/1945550irq/29-eth0_g0_12:37:081
945550400irq/29-eth0_g0_32759-21vmstat09:39:430
945550400irq/29-eth0_g0_13-21kworker/0:109:45:070
49102400sleep1945650irq/30-eth0_g0_12:13:241
121400ksoftirqd/1104742sleep008:09:360
945550390irq/29-eth0_g0_31349-21latency_hist07:24:150
945550390irq/29-eth0_g0_1845-21runrttasks07:30:110
945550390irq/29-eth0_g0_13-21kworker/0:112:22:140
945550390irq/29-eth0_g0_13-21kworker/0:111:02:130
945550390irq/29-eth0_g0_13-21kworker/0:109:50:340
945550390irq/29-eth0_g0_13-21kworker/0:109:29:500
945550390irq/29-eth0_g0_13-21kworker/0:109:24:490
945550390irq/29-eth0_g0_121ksoftirqd/112:24:590
27667993910cyclictest0-21swapper/109:29:091
121390ksoftirqd/1945650irq/30-eth0_g0_10:45:120
121390ksoftirqd/1945650irq/30-eth0_g0_08:46:480
121390ksoftirqd/1945650irq/30-eth0_g0_08:35:110
121390ksoftirqd/1945650irq/30-eth0_g0_08:06:340
121390ksoftirqd/1945650irq/30-eth0_g0_07:51:130
121390ksoftirqd/1945650irq/30-eth0_g0_07:46:410
121390ksoftirqd/1945550irq/29-eth0_g0_07:54:281
945650380irq/30-eth0_g0_11229-21/usr/sbin/munin08:14:261
945550380irq/29-eth0_g0_31ksoftirqd/012:09:150
945550380irq/29-eth0_g0_31ksoftirqd/011:59:410
945550380irq/29-eth0_g0_2766699cyclictest11:52:440
945550380irq/29-eth0_g0_121ksoftirqd/111:36:431
945550380irq/29-eth0_g0_121ksoftirqd/110:22:560
2766799382cyclictest8453-21memory10:14:281
2766799381cyclictest2918-21sort07:39:281
2766799381cyclictest22809-21mailstats08:59:591
2766799381cyclictest13114-21grep08:19:381
121380ksoftirqd/1945550irq/29-eth0_g0_10:00:291
945550370irq/29-eth0_g0_8702-21sendmail_mailqu10:14:340
945550370irq/29-eth0_g0_5076-21/usr/sbin/munin12:14:270
945550370irq/29-eth0_g0_30163-21latency_hist07:19:150
945550370irq/29-eth0_g0_31ksoftirqd/010:30:370
945550370irq/29-eth0_g0_31ksoftirqd/008:04:150
945550370irq/29-eth0_g0_27654-21runrttasks07:09:131
945550370irq/29-eth0_g0_1845-21runrttasks10:10:140
945550370irq/29-eth0_g0_1845-21runrttasks09:08:340
945550370irq/29-eth0_g0_11144-21rt-features10:24:350
2766799373cyclictest9434-21unixbench_multi08:04:351
2766799372cyclictest9385-21grep12:29:371
2766799372cyclictest670-21awk11:54:321
2766799371cyclictest24586-21diskmemload09:24:141
2766799371cyclictest0-21swapper/108:34:331
121370ksoftirqd/1945650irq/30-eth0_g0_11:26:410
121370ksoftirqd/1945650irq/30-eth0_g0_11:20:270
121370ksoftirqd/1945550irq/29-eth0_g0_08:49:541
945650360irq/30-eth0_g0_22145-21ls08:59:151
945650360irq/30-eth0_g0_19165-21taskset10:59:151
945550360irq/29-eth0_g0_5871-21df_inode10:04:270
945550360irq/29-eth0_g0_2794-21df_abs07:39:250
945550360irq/29-eth0_g0_2586-21latency_hist07:39:150
945550360irq/29-eth0_g0_21455-21proc_pri08:54:320
945550360irq/29-eth0_g0_21076-21/usr/sbin/munin11:04:410
945550360irq/29-eth0_g0_1845-21runrttasks11:11:370
945550360irq/29-eth0_g0_1845-21runrttasks09:03:390
945550360irq/29-eth0_g0_1845-21runrttasks08:25:390
945550360irq/29-eth0_g0_1845-21runrttasks08:18:240
945550360irq/29-eth0_g0_13-21kworker/0:112:09:210
945550360irq/29-eth0_g0_13-21kworker/0:110:01:400
945550360irq/29-eth0_g0_13-21kworker/0:109:36:290
945550360irq/29-eth0_g0_10630-21unixbench_multi12:34:380
945550360irq/29-eth0_g0_0-21swapper/011:39:220
2766799362cyclictest29441-21proc_pri07:14:341
2766799361cyclictest6306-21latency_hist07:54:151
2766799361cyclictest5630-21sendmail_mailst12:14:411
2766799361cyclictest30829-21grep07:19:391
2766799361cyclictest19283-21awk08:44:361
2766799361cyclictest1427-21/usr/sbin/munin07:34:281
945650350irq/30-eth0_g0_9454-21kworker/1:010:13:451
945650350irq/30-eth0_g0_21258-21seq11:06:041
945650350irq/30-eth0_g0_0-21swapper/109:08:131
945550350irq/29-eth0_g0_6716-21/usr/sbin/munin07:54:280
945550350irq/29-eth0_g0_32107-21unixbench_singl07:24:390
945550350irq/29-eth0_g0_30562-21chrt11:44:320
945550350irq/29-eth0_g0_1845-21runrttasks10:50:270
945550350irq/29-eth0_g0_1845-21runrttasks07:09:380
945550350irq/29-eth0_g0_13-21kworker/0:111:55:210
2766799356cyclictest945650irq/30-eth0_g0_08:10:571
2766799352cyclictest316272sleep107:24:311
2766799351cyclictest39522sleep107:44:261
2766799351cyclictest28030-21taskset07:09:291
945550340irq/29-eth0_g0_20244-21proc_pri08:49:370
945550340irq/29-eth0_g0_15045-21df_inode08:29:240
2766799341cyclictest32766-21df07:29:241
121340ksoftirqd/114694-21runrttasks08:28:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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