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2024-11-24 - 07:27

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 Nov 24, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2330121550sleep0121650irq/30-eth0_g0_23:32:380
3070021350sleep1121550irq/29-eth0_g0_00:03:051
1120321240chrt121650irq/30-eth0_g0_22:44:300
549821230sleep0121650irq/30-eth0_g0_00:31:270
177421090sleep0121550irq/29-eth0_g0_00:16:070
31242990sleep1121550irq/29-eth0_g0_00:22:211
121970ksoftirqd/1121650irq/30-eth0_g0_22:39:491
121840ksoftirqd/1121550irq/29-eth0_g0_20:29:590
289972680sleep1121550irq/29-eth0_g0_21:44:501
121670ksoftirqd/1121650irq/30-eth0_g0_23:43:091
282782640sleep0121650irq/30-eth0_g0_23:53:260
88752620sleep0121650irq/30-eth0_g0_22:35:010
318312610sleep0121550irq/29-eth0_g0_00:07:000
67612560sleep1121550irq/29-eth0_g0_00:36:541
270612560sleep0121650irq/30-eth0_g0_23:48:320
294352540sleep1121650irq/30-eth0_g0_19:34:481
294352540sleep1121650irq/30-eth0_g0_19:34:481
198192540sleep1121650irq/30-eth0_g0_23:19:491
121540ksoftirqd/1121650irq/30-eth0_g0_22:51:441
305622510sleep0121550irq/29-eth0_g0_00:01:290
121510ksoftirqd/1121650irq/30-eth0_g0_21:33:551
121510ksoftirqd/1121550irq/29-eth0_g0_22:08:241
219072500sleep0121550irq/29-eth0_g0_23:25:400
210822500sleep0121550irq/29-eth0_g0_21:10:100
121500ksoftirqd/1121650irq/30-eth0_g0_00:06:121
55052490sleep1121650irq/30-eth0_g0_00:31:321
121650490irq/30-eth0_g0_121ksoftirqd/119:05:011
103372490sleep1121650irq/30-eth0_g0_22:40:031
182852480sleep0121550irq/29-eth0_g0_23:11:200
12812480sleep0121550irq/29-eth0_g0_22:03:210
121480ksoftirqd/1121650irq/30-eth0_g0_19:50:071
225602460chrt121550irq/29-eth0_g0_19:05:060
122992460sleep0121550irq/29-eth0_g0_22:48:000
121460ksoftirqd/1121650irq/30-eth0_g0_23:38:571
121460ksoftirqd/1121650irq/30-eth0_g0_22:24:211
121460ksoftirqd/1121650irq/30-eth0_g0_21:54:401
121460ksoftirqd/1121550irq/29-eth0_g0_21:19:270
121650450irq/30-eth0_g0_1227-21kworker/1:222:18:241
121450ksoftirqd/1121650irq/30-eth0_g0_23:00:481
121450ksoftirqd/1121650irq/30-eth0_g0_22:13:151
121450ksoftirqd/1121550irq/29-eth0_g0_22:32:071
121450ksoftirqd/1121550irq/29-eth0_g0_21:06:511
63052440sleep0121550irq/29-eth0_g0_22:24:320
22692440sleep0121550irq/29-eth0_g0_22:05:220
121650440irq/30-eth0_g0_1227-21kworker/1:221:15:081
121550440irq/29-eth0_g0_1985-21runrttasks23:24:060
121440ksoftirqd/1121550irq/29-eth0_g0_23:56:160
121440ksoftirqd/1121550irq/29-eth0_g0_23:53:281
121440ksoftirqd/1121550irq/29-eth0_g0_21:31:500
76462430sleep0121550irq/29-eth0_g0_22:29:590
244622430sleep0121650irq/30-eth0_g0_23:36:510
121650420irq/30-eth0_g0_26915-21chrt23:46:521
121550420irq/29-eth0_g0_29666-21unixbench_multi21:45:110
121550420irq/29-eth0_g0_1985-21runrttasks23:44:430
121420ksoftirqd/1121650irq/30-eth0_g0_00:15:041
121420ksoftirqd/1121550irq/29-eth0_g0_22:55:391
2330899412cyclictest10523-21munin-run20:29:491
121650410irq/30-eth0_g0_121ksoftirqd/123:34:171
121550410irq/29-eth0_g0_13-21kworker/0:100:36:220
121550410irq/29-eth0_g0_121ksoftirqd/121:20:340
121410ksoftirqd/1121550irq/29-eth0_g0_21:55:041
8272400sleep0121650irq/30-eth0_g0_00:14:350
121650400irq/30-eth0_g0_1227-21kworker/1:223:08:551
121650400irq/30-eth0_g0_121ksoftirqd/121:12:481
121650400irq/30-eth0_g0_0-21swapper/122:29:121
121550400irq/29-eth0_g0_13-21kworker/0:123:03:280
121550400irq/29-eth0_g0_13-21kworker/0:100:29:330
121400ksoftirqd/1121550irq/29-eth0_g0_23:58:421
2330899392cyclictest24021-21grep19:10:091
2330899391cyclictest7640-21unixbench_singl20:15:111
2330899391cyclictest6089-21runrttasks20:10:051
2330899391cyclictest32622-21grep19:45:101
2330899391cyclictest32622-21grep19:45:101
2330899391cyclictest27538-21ps19:25:071
2330899391cyclictest18503-21zcat21:00:091
121650390irq/30-eth0_g0_121ksoftirqd/123:12:211
121650390irq/30-eth0_g0_121ksoftirqd/121:39:401
121550390irq/29-eth0_g0_1985-21runrttasks20:53:220
121550390irq/29-eth0_g0_13-21kworker/0:123:17:510
121550390irq/29-eth0_g0_13-21kworker/0:121:58:390
121550390irq/29-eth0_g0_13-21kworker/0:121:38:160
121550390irq/29-eth0_g0_121ksoftirqd/122:02:521
121390ksoftirqd/124485-21netstat21:25:041
2330899382cyclictest17147-21ntpq20:55:071
121650380irq/30-eth0_g0_30630-21nfs_client21:50:090
121650380irq/30-eth0_g0_121ksoftirqd/123:20:451
121650380irq/30-eth0_g0_121ksoftirqd/100:10:321
121550380irq/29-eth0_g0_5713-21cpu20:10:000
121550380irq/29-eth0_g0_23718-21missed_timers19:10:030
121550380irq/29-eth0_g0_13-21kworker/0:123:08:010
121550380irq/29-eth0_g0_13-21kworker/0:122:49:520
121550380irq/29-eth0_g0_13-21kworker/0:121:29:080
121380ksoftirqd/1121650irq/30-eth0_g0_22:10:350
121380ksoftirqd/1121550irq/29-eth0_g0_19:35:041
2330899371cyclictest2264-21/usr/sbin/munin19:55:051
2330899371cyclictest2264-21/usr/sbin/munin19:55:051
2330899371cyclictest20341-21diskmemload21:20:071
2330899371cyclictest14993-21unixbench_singl20:45:111
121550370irq/29-eth0_g0_7471-21wc20:15:090
121550370irq/29-eth0_g0_1985-21runrttasks21:01:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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