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2024-09-07 - 15:49

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 Sep 07, 2024 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3230821200sleep1121450irq/29-eth0_g0_09:45:271
3198021190sleep0121450irq/29-eth0_g0_11:58:280
57012920sleep1121450irq/29-eth0_g0_12:23:361
121870ksoftirqd/1121450irq/29-eth0_g0_12:21:100
283512820sleep0121550irq/30-eth0_g0_11:43:590
53202760sleep0121550irq/30-eth0_g0_10:09:590
60352620sleep1121550irq/30-eth0_g0_10:10:391
270132610sleep1121550irq/30-eth0_g0_09:24:501
121450550irq/29-eth0_g0_2599899cyclictest09:29:530
121450540irq/29-eth0_g0_2599899cyclictest12:36:400
313922520sleep0121450irq/29-eth0_g0_09:44:030
121520ksoftirqd/1121450irq/29-eth0_g0_10:17:440
121450500irq/29-eth0_g0_2599899cyclictest11:22:130
121500ksoftirqd/1121550irq/30-eth0_g0_10:20:381
121550490irq/30-eth0_g0_2599899cyclictest07:49:480
121450490irq/29-eth0_g0_2599899cyclictest12:07:330
121450490irq/29-eth0_g0_2599899cyclictest10:37:390
121450490irq/29-eth0_g0_2599899cyclictest10:04:480
121450480irq/29-eth0_g0_2599899cyclictest07:44:480
121480ksoftirqd/1121550irq/30-eth0_g0_08:25:161
121550470irq/30-eth0_g0_15791-21seq08:39:481
121450470irq/29-eth0_g0_2599899cyclictest12:00:560
121450470irq/29-eth0_g0_2599899cyclictest11:17:290
121450470irq/29-eth0_g0_2599899cyclictest10:59:500
121450470irq/29-eth0_g0_2599899cyclictest10:33:000
121450470irq/29-eth0_g0_2599899cyclictest09:24:530
37222460sleep0121550irq/30-eth0_g0_10:02:150
25998994610cyclictest26328-21sed11:34:490
121550460irq/30-eth0_g0_2599899cyclictest11:09:080
121550460irq/30-eth0_g0_2599899cyclictest08:24:560
121550460irq/30-eth0_g0_19350-21taskset11:04:551
121450460irq/29-eth0_g0_2599899cyclictest09:10:240
121450460irq/29-eth0_g0_2599899cyclictest07:34:560
121460ksoftirqd/1121550irq/30-eth0_g0_10:33:481
25998994513cyclictest29637-21/usr/sbin/munin09:34:560
2599899451cyclictest121450irq/29-eth0_g0_08:59:490
121550450irq/30-eth0_g0_22873-21diskmemload09:17:331
121450450irq/29-eth0_g0_2599899cyclictest11:13:110
121450450irq/29-eth0_g0_2599899cyclictest10:39:500
121450450irq/29-eth0_g0_2599899cyclictest10:29:000
121450450irq/29-eth0_g0_2599899cyclictest09:48:200
121450ksoftirqd/1121550irq/30-eth0_g0_11:42:151
121450ksoftirqd/1121550irq/30-eth0_g0_10:43:031
2599899443cyclictest121450irq/29-eth0_g0_12:14:460
25998994420cyclictest15652-21unixbench_multi10:49:530
2599899442cyclictest5367-21unixbench_singl07:54:560
25998994416cyclictest24368-21/usr/sbin/munin09:14:480
2599899441cyclictest0-21swapper/007:09:490
121450440irq/29-eth0_g0_2599899cyclictest11:28:030
121440ksoftirqd/1121450irq/29-eth0_g0_10:00:151
121440ksoftirqd/1121450irq/29-eth0_g0_09:23:241
2599899436cyclictest31ksoftirqd/008:29:530
25998994319cyclictest30967-21cpu07:29:440
25998994316cyclictest9547-21/usr/sbin/munin08:14:520
25998994316cyclictest9547-21/usr/sbin/munin08:14:520
25998994316cyclictest10762-21/usr/sbin/munin08:19:510
25998994314cyclictest7104-21/usr/sbin/munin12:29:530
25998994311cyclictest121450irq/29-eth0_g0_07:29:340
2599899431cyclictest16105-21processes08:39:550
2599899431cyclictest121450irq/29-eth0_g0_11:44:440
121550430irq/30-eth0_g0_1227-21kworker/1:211:21:331
121550430irq/30-eth0_g0_1227-21kworker/1:209:29:361
121450430irq/29-eth0_g0_2599899cyclictest12:09:500
121450430irq/29-eth0_g0_2599899cyclictest11:49:450
121450430irq/29-eth0_g0_25484-21unixbench_multi07:04:550
121430ksoftirqd/1121550irq/30-eth0_g0_11:27:401
121430ksoftirqd/1121450irq/29-eth0_g0_11:13:391
295322420sleep1121450irq/29-eth0_g0_11:48:301
25998994212cyclictest2153-21timerandwakeup09:54:530
2599899421cyclictest1940-21runrttasks09:23:170
121550420irq/30-eth0_g0_25091-21/usr/sbin/munin07:04:481
121550420irq/30-eth0_g0_1227-21kworker/1:211:55:191
121420ksoftirqd/1121450irq/29-eth0_g0_10:07:401
25998994122cyclictest14075-21expr10:45:020
2599899412cyclictest1940-21runrttasks08:47:510
25998994117cyclictest7015-21latency_hist12:29:330
2599899411cyclictest1940-21runrttasks08:59:310
2599899411cyclictest121450irq/29-eth0_g0_08:36:580
121550410irq/30-eth0_g0_1227-21kworker/1:211:19:331
121410ksoftirqd/1121550irq/30-eth0_g0_11:50:571
121410ksoftirqd/1121450irq/29-eth0_g0_12:34:481
25998994013cyclictest28931-21ntp_offset07:19:550
2599899401cyclictest8377-21unixbench_singl10:19:550
2599899401cyclictest2575-21lldpd11:31:270
121550400irq/30-eth0_g0_1227-21kworker/1:212:31:221
121550400irq/30-eth0_g0_1227-21kworker/1:211:38:181
2599899397cyclictest0-21swapper/009:51:470
2599899392cyclictest8238-21latency_hist08:09:340
121550390irq/30-eth0_g0_4806-21chrt07:54:471
121390ksoftirqd/1121450irq/29-eth0_g0_12:11:061
121390ksoftirqd/1121450irq/29-eth0_g0_08:24:111
2599899385cyclictest0-21swapper/007:59:510
2599899382cyclictest28439-21latency_hist07:19:340
2599899381cyclictest13-21kworker/0:110:56:160
121550380irq/30-eth0_g0_1227-21kworker/1:210:24:361
121450380irq/29-eth0_g0_2599899cyclictest09:04:520
121380ksoftirqd/1121450irq/29-eth0_g0_12:25:531
121380ksoftirqd/1121450irq/29-eth0_g0_12:18:471
121380ksoftirqd/1121450irq/29-eth0_g0_10:46:271
121380ksoftirqd/1121450irq/29-eth0_g0_10:36:071
121380ksoftirqd/1121450irq/29-eth0_g0_09:52:141
121380ksoftirqd/1121450irq/29-eth0_g0_09:40:081
2599999372cyclictest60352sleep107:59:461
2599999371cyclictest31507-21grep07:30:021
2599899376cyclictest1673-21sed07:39:550
2599899372cyclictest0-21swapper/008:09:510
121550370irq/30-eth0_g0_16527-21sort10:54:481
121550370irq/30-eth0_g0_1227-21kworker/1:209:58:501
121550370irq/30-eth0_g0_0-21swapper/111:33:181
121370ksoftirqd/1121450irq/29-eth0_g0_10:14:481
121370ksoftirqd/1121450irq/29-eth0_g0_08:09:491
2599999361cyclictest204232sleep108:59:341
2599999361cyclictest172402sleep108:44:511
2599899351cyclictest0-21swapper/008:49:510
121550350irq/30-eth0_g0_0-21swapper/112:03:311
121450350irq/29-eth0_g0_1227-21kworker/1:210:59:381
121450350irq/29-eth0_g0_1227-21kworker/1:208:49:441
121450350irq/29-eth0_g0_121ksoftirqd/110:49:371
121450350irq/29-eth0_g0_0-21swapper/108:38:051
121350ksoftirqd/1121450irq/29-eth0_g0_08:29:541
121350ksoftirqd/1121450irq/29-eth0_g0_07:44:521
2599999342cyclictest27838-21rt-features07:14:521
2599999341cyclictest30404-21grep07:25:091
2599999341cyclictest0-21swapper/107:13:321
121550340irq/30-eth0_g0_32190-21/usr/sbin/munin07:34:571
121550340irq/30-eth0_g0_1227-21kworker/1:212:05:471
121340ksoftirqd/1121450irq/29-eth0_g0_07:40:351
2599999335cyclictest121550irq/30-eth0_g0_09:11:221
121330ksoftirqd/1121450irq/29-eth0_g0_09:05:471
2599999322cyclictest3589-21df_inode07:49:461
121550320irq/30-eth0_g0_9701-21df_inode08:14:471
121550320irq/30-eth0_g0_9701-21df_inode08:14:471
121550320irq/30-eth0_g0_1227-21kworker/1:209:35:371
121450320irq/29-eth0_g0_28762-21interrupts07:19:511
121320ksoftirqd/17228-21sed08:04:471
121450310irq/29-eth0_g0_21161-21unixbench_multi08:59:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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