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2024-04-19 - 22:29

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 highest latencies:
System rack3slot5s.osadl.org (updated Fri Apr 19, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847921580sleep1945550irq/29-eth0_g0_09:44:151
1466621540sleep1945550irq/29-eth0_g0_11:00:371
1466621540sleep1945550irq/29-eth0_g0_11:00:371
20362820sleep0945550irq/29-eth0_g0_12:22:260
174402710sleep0945550irq/29-eth0_g0_11:14:210
945650570irq/30-eth0_g0_2286499cyclictest12:34:390
945650530irq/30-eth0_g0_2286499cyclictest11:17:040
945550530irq/29-eth0_g0_2286499cyclictest09:09:510
945650520irq/30-eth0_g0_2286499cyclictest10:09:490
945650520irq/30-eth0_g0_2286499cyclictest09:29:500
945550520irq/29-eth0_g0_2286499cyclictest12:29:480
945550520irq/29-eth0_g0_2286499cyclictest11:46:420
121510ksoftirqd/1945550irq/29-eth0_g0_12:28:050
945650500irq/30-eth0_g0_2286499cyclictest12:09:400
945550500irq/29-eth0_g0_2286499cyclictest11:34:430
306662500sleep0945650irq/30-eth0_g0_12:06:080
945550490irq/29-eth0_g0_2286499cyclictest07:34:440
945550480irq/29-eth0_g0_2286499cyclictest10:31:120
945550480irq/29-eth0_g0_2286499cyclictest08:54:430
945550470irq/29-eth0_g0_2286499cyclictest11:24:450
945550470irq/29-eth0_g0_2286499cyclictest09:34:470
945550470irq/29-eth0_g0_22256-21taskset07:04:490
945650460irq/30-eth0_g0_2286499cyclictest10:08:390
945650460irq/30-eth0_g0_18832-21df11:19:401
945550460irq/29-eth0_g0_2286499cyclictest12:16:560
182392460sleep0945650irq/30-eth0_g0_08:59:520
121460ksoftirqd/1945650irq/30-eth0_g0_11:06:011
121460ksoftirqd/1945650irq/30-eth0_g0_11:06:011
945650450irq/30-eth0_g0_2286499cyclictest09:53:050
945550450irq/29-eth0_g0_2286499cyclictest09:21:110
945550450irq/29-eth0_g0_2286499cyclictest08:39:500
121450ksoftirqd/1945650irq/30-eth0_g0_09:26:541
945650440irq/30-eth0_g0_2286499cyclictest11:00:160
945650440irq/30-eth0_g0_2286499cyclictest11:00:160
945650440irq/30-eth0_g0_13281-21tail10:54:481
945550440irq/29-eth0_g0_2286499cyclictest10:53:390
945550440irq/29-eth0_g0_2286499cyclictest10:53:390
945550440irq/29-eth0_g0_2286499cyclictest10:40:210
945650430irq/30-eth0_g0_9454-21kworker/1:012:27:371
945650430irq/30-eth0_g0_9454-21kworker/1:012:05:151
945650430irq/30-eth0_g0_9454-21kworker/1:010:13:501
945650430irq/30-eth0_g0_9454-21kworker/1:009:36:221
945650430irq/30-eth0_g0_2286499cyclictest09:59:170
121430ksoftirqd/1945650irq/30-eth0_g0_12:21:571
945650420irq/30-eth0_g0_9454-21kworker/1:011:37:551
121420ksoftirqd/1945650irq/30-eth0_g0_11:30:401
945650410irq/30-eth0_g0_9454-21kworker/1:011:42:051
945650410irq/30-eth0_g0_9454-21kworker/1:010:43:541
945650410irq/30-eth0_g0_9454-21kworker/1:009:15:321
945650410irq/30-eth0_g0_2286499cyclictest11:30:200
945550410irq/29-eth0_g0_2286499cyclictest09:15:520
109362410sleep0945550irq/29-eth0_g0_10:45:030
945650400irq/30-eth0_g0_9454-21kworker/1:010:20:021
22865994015cyclictest9454-21kworker/1:011:49:021
121400ksoftirqd/1945650irq/30-eth0_g0_09:47:100
945650390irq/30-eth0_g0_9454-21kworker/1:012:12:161
945650390irq/30-eth0_g0_9454-21kworker/1:011:55:451
945650390irq/30-eth0_g0_9454-21kworker/1:011:15:381
945650390irq/30-eth0_g0_9454-21kworker/1:010:32:541
945650390irq/30-eth0_g0_9454-21kworker/1:010:27:551
945650390irq/30-eth0_g0_9454-21kworker/1:010:19:071
945650390irq/30-eth0_g0_9454-21kworker/1:009:52:341
945650390irq/30-eth0_g0_9454-21kworker/1:009:23:481
945550390irq/29-eth0_g0_2286499cyclictest10:55:480
6242390sleep0945550irq/29-eth0_g0_10:00:390
945650380irq/30-eth0_g0_9454-21kworker/1:012:38:331
945650380irq/30-eth0_g0_9454-21kworker/1:011:49:451
945650380irq/30-eth0_g0_9454-21kworker/1:011:25:141
945650380irq/30-eth0_g0_9454-21kworker/1:010:50:541
945650380irq/30-eth0_g0_9454-21kworker/1:010:50:541
945650380irq/30-eth0_g0_9454-21kworker/1:010:02:381
945650380irq/30-eth0_g0_0-21swapper/107:04:511
945550380irq/29-eth0_g0_2286499cyclictest12:04:230
121380ksoftirqd/1945550irq/29-eth0_g0_12:01:111
121380ksoftirqd/1945550irq/29-eth0_g0_09:07:301
945650370irq/30-eth0_g0_9644-21sed08:24:501
945650370irq/30-eth0_g0_9454-21kworker/1:012:15:201
945650370irq/30-eth0_g0_9454-21kworker/1:011:11:161
945650370irq/30-eth0_g0_9454-21kworker/1:010:48:151
945650370irq/30-eth0_g0_9454-21kworker/1:009:58:451
945650370irq/30-eth0_g0_9454-21kworker/1:009:32:351
945650370irq/30-eth0_g0_9454-21kworker/1:009:11:331
945650370irq/30-eth0_g0_2813-21/usr/sbin/munin07:59:521
945650370irq/30-eth0_g0_1845-21runrttasks08:51:231
945650370irq/30-eth0_g0_1845-21runrttasks08:39:201
945650360irq/30-eth0_g0_9454-21kworker/1:010:39:201
945650360irq/30-eth0_g0_16850-21taskset08:54:491
2286599361cyclictest31940-21grep07:44:461
22864993616cyclictest6753-21/usr/sbin/munin08:14:420
121360ksoftirqd/1945550irq/29-eth0_g0_08:44:501
945650350irq/30-eth0_g0_1845-21runrttasks08:41:481
2286599352cyclictest11321-21latency_hist08:34:281
2286599351cyclictest4732-21unixbench_singl08:04:491
2286599351cyclictest24609-21open_inodes07:14:481
22864993515cyclictest945550irq/29-eth0_g0_08:24:430
945550340irq/29-eth0_g0_2286499cyclictest08:54:280
2286599345cyclictest945650irq/30-eth0_g0_12:33:171
2286599342cyclictest28099-21irqstats07:29:411
2286499348cyclictest10480-21missed_timers08:29:430
945650330irq/30-eth0_g0_9454-21kworker/1:010:04:321
945650330irq/30-eth0_g0_9454-21kworker/1:009:44:531
945650330irq/30-eth0_g0_0-21swapper/108:19:431
945550330irq/29-eth0_g0_2286499cyclictest10:38:520
272072330sleep0945550irq/29-eth0_g0_11:53:420
2286599331cyclictest54542sleep108:09:401
2286599331cyclictest29790-21unixbench_singl07:34:521
2286499339cyclictest8359-21unixbench_multi08:19:480
945650320irq/30-eth0_g0_7626-21chrt08:19:281
945650320irq/30-eth0_g0_23474-21ps07:09:451
945650320irq/30-eth0_g0_2286499cyclictest11:04:410
945650320irq/30-eth0_g0_2286499cyclictest11:04:410
945650320irq/30-eth0_g0_0-21swapper/107:24:401
945550320irq/29-eth0_g0_30606-21load07:39:401
945550320irq/29-eth0_g0_2286499cyclictest08:07:190
2286599321cyclictest176082sleep108:59:401
2286499327cyclictest0-21swapper/009:05:170
22864993212cyclictest2542-21seq07:57:280
22864993210cyclictest23868-21if_err_eth011:39:390
945650310irq/30-eth0_g0_985-21unixbench_multi07:49:531
945650310irq/30-eth0_g0_25948-21find07:19:511
945650310irq/30-eth0_g0_2286499cyclictest10:22:590
945650310irq/30-eth0_g0_2274-21unixbench_singl07:54:491
945550310irq/29-eth0_g0_2286499cyclictest11:59:270
2286499319cyclictest945550irq/29-eth0_g0_07:39:460
2286499319cyclictest3476-21sed07:59:520
2286499318cyclictest25714-21missed_timers07:19:460
2286499318cyclictest1845-21runrttasks07:13:260
2286499316cyclictest0-21swapper/007:14:390
22864993110cyclictest0-21swapper/009:24:440
945550300irq/29-eth0_g0_2286499cyclictest10:28:490
2286499309cyclictest5559-21/usr/sbin/munin08:09:420
2286499309cyclictest15030-21latency_hist08:49:280
2286499308cyclictest945550irq/29-eth0_g0_09:43:210
22864993015cyclictest0-21swapper/007:24:400
22864993014cyclictest0-21swapper/010:18:350
22864993011cyclictest553-21/usr/sbin/munin07:49:440
22864993011cyclictest32209-21unixbench_multi07:44:510
945550290irq/29-eth0_g0_0-21swapper/011:20:270
22864992813cyclictest31ksoftirqd/007:29:420
22864992721cyclictest11556-21/usr/sbin/munin08:34:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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