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2024-05-30 - 01:51

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 Wed May 29, 2024 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121600ksoftirqd/1945650irq/30-eth0_g0_10:48:191
121510ksoftirqd/1945650irq/30-eth0_g0_12:29:351
121500ksoftirqd/1945650irq/30-eth0_g0_10:41:301
121500ksoftirqd/1945550irq/29-eth0_g0_10:46:320
121470ksoftirqd/1945650irq/30-eth0_g0_10:27:011
945550450irq/29-eth0_g0_9943-21unixbench_multi12:28:270
121450ksoftirqd/1945650irq/30-eth0_g0_10:47:411
945650440irq/30-eth0_g0_9454-21kworker/1:011:43:231
945650440irq/30-eth0_g0_9454-21kworker/1:011:05:301
945650440irq/30-eth0_g0_9454-21kworker/1:011:00:421
121440ksoftirqd/1945550irq/29-eth0_g0_10:00:240
945550420irq/29-eth0_g0_31ksoftirqd/009:43:420
945650410irq/30-eth0_g0_9454-21kworker/1:012:33:051
945550410irq/29-eth0_g0_13-21kworker/0:109:21:300
945550410irq/29-eth0_g0_13-21kworker/0:109:16:300
945550410irq/29-eth0_g0_0-21swapper/009:53:210
2226799411cyclictest13146-21cat09:28:221
121410ksoftirqd/1945650irq/30-eth0_g0_09:38:581
945650400irq/30-eth0_g0_121ksoftirqd/109:33:001
945550400irq/29-eth0_g0_31ksoftirqd/012:18:310
945550400irq/29-eth0_g0_31ksoftirqd/009:35:250
945550400irq/29-eth0_g0_22045-21sendmail_mailqu07:03:240
945550400irq/29-eth0_g0_13-21kworker/0:109:48:210
2226799401cyclictest4053-21awk08:33:171
2226799401cyclictest16558-21cat09:52:591
2226799401cyclictest12229-21proc_pri09:23:221
945650390irq/30-eth0_g0_9454-21kworker/1:011:57:201
945650390irq/30-eth0_g0_0-21swapper/111:33:331
945650390irq/30-eth0_g0_0-21swapper/111:21:291
945650390irq/30-eth0_g0_0-21swapper/111:12:191
945650390irq/30-eth0_g0_0-21swapper/110:08:561
945550390irq/29-eth0_g0_31ksoftirqd/010:23:230
945550390irq/29-eth0_g0_13-21kworker/0:110:41:230
945550390irq/29-eth0_g0_121ksoftirqd/112:18:181
2226799391cyclictest26248-21grep07:28:261
121390ksoftirqd/1945650irq/30-eth0_g0_11:21:000
121390ksoftirqd/1945650irq/30-eth0_g0_11:04:350
121390ksoftirqd/1945550irq/29-eth0_g0_12:09:270
121390ksoftirqd/1945550irq/29-eth0_g0_08:28:221
945650380irq/30-eth0_g0_9454-21kworker/1:010:05:011
945650380irq/30-eth0_g0_9454-21kworker/1:009:43:221
945650380irq/30-eth0_g0_32365-21cat08:08:201
945650380irq/30-eth0_g0_31ksoftirqd/011:24:560
945650380irq/30-eth0_g0_121ksoftirqd/111:48:071
945650380irq/30-eth0_g0_121ksoftirqd/110:16:141
945650380irq/30-eth0_g0_121ksoftirqd/110:01:121
945550380irq/29-eth0_g0_9264-21diskmemload09:08:230
945550380irq/29-eth0_g0_31ksoftirqd/011:32:060
945550380irq/29-eth0_g0_31ksoftirqd/010:30:360
945550380irq/29-eth0_g0_31ksoftirqd/010:18:130
945550380irq/29-eth0_g0_2226699cyclictest11:51:500
945550380irq/29-eth0_g0_2226699cyclictest10:17:330
945550380irq/29-eth0_g0_13-21kworker/0:112:33:410
945550380irq/29-eth0_g0_13-21kworker/0:112:05:260
945550380irq/29-eth0_g0_13-21kworker/0:111:10:000
945550380irq/29-eth0_g0_13-21kworker/0:110:54:130
945550380irq/29-eth0_g0_13-21kworker/0:109:31:210
945550380irq/29-eth0_g0_13-21kworker/0:109:25:570
945550380irq/29-eth0_g0_121ksoftirqd/112:26:441
2226799387cyclictest945650irq/30-eth0_g0_09:54:251
2226799381cyclictest7041-21df08:53:111
121380ksoftirqd/1945650irq/30-eth0_g0_11:33:020
121380ksoftirqd/1945650irq/30-eth0_g0_10:33:480
121380ksoftirqd/1945650irq/30-eth0_g0_10:33:480
121380ksoftirqd/1945550irq/29-eth0_g0_10:33:471
121380ksoftirqd/1945550irq/29-eth0_g0_10:33:471
945650370irq/30-eth0_g0_9454-21kworker/1:012:09:491
945650370irq/30-eth0_g0_9454-21kworker/1:012:00:531
945650370irq/30-eth0_g0_21665-21df_abs07:03:131
945650370irq/30-eth0_g0_0-21swapper/111:17:361
945650370irq/30-eth0_g0_0-21swapper/110:57:251
945550370irq/29-eth0_g0_9170-21sed09:03:320
945550370irq/29-eth0_g0_31ksoftirqd/011:47:170
945550370irq/29-eth0_g0_13-21kworker/0:112:02:150
945550370irq/29-eth0_g0_13-21kworker/0:111:56:310
945550370irq/29-eth0_g0_13-21kworker/0:111:38:010
945550370irq/29-eth0_g0_13-21kworker/0:111:02:320
945550370irq/29-eth0_g0_13-21kworker/0:110:52:300
945550370irq/29-eth0_g0_13-21kworker/0:110:11:100
945550370irq/29-eth0_g0_13-21kworker/0:110:07:200
945550370irq/29-eth0_g0_13-21kworker/0:109:38:290
22267993732cyclictest9793-21proc_pri09:08:221
2226799371cyclictest9264-21diskmemload11:28:171
2226799371cyclictest2478-21lldpd08:47:591
2226799371cyclictest23792-21unixbench_multi07:13:281
2226799371cyclictest1825-21sort08:18:241
2226799371cyclictest11655-21grep09:18:281
121370ksoftirqd/1945550irq/29-eth0_g0_09:14:371
945650360irq/30-eth0_g0_9454-21kworker/1:011:39:521
945650360irq/30-eth0_g0_9454-21kworker/1:010:30:051
945650360irq/30-eth0_g0_9454-21kworker/1:010:18:231
945650360irq/30-eth0_g0_0-21swapper/111:23:111
945550360irq/29-eth0_g0_7985-21latency08:58:180
945550360irq/29-eth0_g0_7427-21zcat08:53:200
945550360irq/29-eth0_g0_31046-21unixbench_multi07:58:240
945550360irq/29-eth0_g0_30095-21processes11:13:250
945550360irq/29-eth0_g0_28674-21unixbench_singl07:43:240
945550360irq/29-eth0_g0_26648-21cat07:33:170
945550360irq/29-eth0_g0_23765-21unixbench_multi07:13:280
945550360irq/29-eth0_g0_13-21kworker/0:112:15:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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