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2025-07-20 - 04:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack1slot8.osadl.org (updated Sun Jul 20, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1891999822743,69cyclictest0-21swapper/019:57:410
184822677656,15sleep10-21swapper/119:06:001
1891999418325,79cyclictest0-21swapper/019:10:150
188622375351,16sleep00-21swapper/019:09:470
2168991220,4rtkit-daemon2167-21rtkit-daemon19:41:101
135921220,3sleep11360-21sh00:00:481
2168991150,32rtkit-daemon10340-21munin-node22:25:211
1848621090,4sleep041ktimersoftd/021:44:580
216899810,3rtkit-daemon2167-21rtkit-daemon23:09:330
1892099818,54cyclictest32725-21ssh21:15:001
216899800,4rtkit-daemon2167-21rtkit-daemon22:04:371
216899790,4rtkit-daemon2167-21rtkit-daemon20:01:301
216899770,36rtkit-daemon2167-21rtkit-daemon00:35:291
216899750,4rtkit-daemon2167-21rtkit-daemon00:20:440
216899730,4rtkit-daemon2167-21rtkit-daemon23:29:430
216899730,4rtkit-daemon2167-21rtkit-daemon19:15:141
216899720,4rtkit-daemon2167-21rtkit-daemon23:42:481
216899720,4rtkit-daemon2167-21rtkit-daemon23:42:481
216899720,4rtkit-daemon2167-21rtkit-daemon00:19:330
1892099719,52cyclictest0-21swapper/122:45:591
1892099719,52cyclictest0-21swapper/122:45:591
216899690,4rtkit-daemon2167-21rtkit-daemon20:22:301
216899690,3rtkit-daemon2167-21rtkit-daemon19:21:541
216899680,4rtkit-daemon2167-21rtkit-daemon23:01:371
216899680,3rtkit-daemon2167-21rtkit-daemon20:55:111
216899680,3rtkit-daemon2167-21rtkit-daemon20:55:101
216899680,3rtkit-daemon2167-21rtkit-daemon20:26:491
18919996856,6cyclictest10604-21ssh23:20:580
18919996812,35cyclictest0-21swapper/000:10:220
216899670,4rtkit-daemon2167-21rtkit-daemon22:09:510
216899670,4rtkit-daemon2167-21rtkit-daemon20:48:551
216899670,3rtkit-daemon2167-21rtkit-daemon23:19:421
216899670,3rtkit-daemon2167-21rtkit-daemon19:31:191
216899660,4rtkit-daemon2167-21rtkit-daemon19:13:141
216899660,4rtkit-daemon2167-21rtkit-daemon00:32:491
216899660,3rtkit-daemon2167-21rtkit-daemon21:56:011
216899660,3rtkit-daemon2167-21rtkit-daemon21:50:371
216899660,3rtkit-daemon2167-21rtkit-daemon21:41:511
216899660,3rtkit-daemon2167-21rtkit-daemon19:54:201
18920996614,31cyclictest0-21swapper/121:48:591
173152665,15sleep10-21swapper/100:30:011
216899650,4rtkit-daemon2167-21rtkit-daemon22:54:121
216899650,4rtkit-daemon2167-21rtkit-daemon20:41:311
1892099639,47cyclictest0-21swapper/123:48:591
18920996312,33cyclictest0-21swapper/121:32:001
1891999635,49cyclictest0-21swapper/020:55:200
1891999635,49cyclictest0-21swapper/020:55:200
18919996314,43cyclictest0-21swapper/019:44:590
216899620,4rtkit-daemon2167-21rtkit-daemon21:24:461
216899620,3rtkit-daemon2167-21rtkit-daemon23:27:421
18920996214,33cyclictest0-21swapper/122:33:591
18920996214,31cyclictest0-21swapper/120:11:001
1891999625,50cyclictest0-21swapper/023:57:540
18919996214,39cyclictest0-21swapper/023:50:250
216899610,10rtkit-daemon0-21swapper/022:37:410
18920996114,30cyclictest0-21swapper/119:55:591
18920996113,33cyclictest0-21swapper/123:39:581
18920996113,32cyclictest0-21swapper/121:27:591
18920996113,31cyclictest0-21swapper/121:04:011
18920996113,30cyclictest0-21swapper/122:15:581
1891999617,34cyclictest0-21swapper/023:00:200
216899600,20rtkit-daemon2167-21rtkit-daemon23:32:170
1891999606,30cyclictest0-21swapper/000:40:000
18920995915,29cyclictest0-21swapper/100:13:591
18920995913,31cyclictest0-21swapper/123:57:581
18920995913,30cyclictest0-21swapper/120:06:001
1891999596,46cyclictest0-21swapper/019:29:030
1891999595,47cyclictest0-21swapper/022:55:030
1891999595,35cyclictest0-21swapper/023:15:010
18919995932,21cyclictest0-21swapper/020:05:160
18919995928,24cyclictest0-21swapper/021:19:480
18919995921,20cyclictest0-21swapper/022:51:590
18919995911,40cyclictest0-21swapper/023:15:210
18919995910,41cyclictest0-21swapper/021:59:540
1892099584,48cyclictest0-21swapper/123:08:541
18920995812,32cyclictest0-21swapper/121:15:591
18920995811,31cyclictest0-21swapper/100:24:591
1891999586,45cyclictest0-21swapper/022:47:190
1891999586,45cyclictest0-21swapper/022:47:180
1891999586,45cyclictest0-21swapper/022:10:580
1891999586,34cyclictest0-21swapper/000:00:020
1891999586,29cyclictest0-21swapper/023:40:250
1891999586,29cyclictest0-21swapper/023:40:240
1891999585,34cyclictest0-21swapper/020:25:010
18919995836,16cyclictest0-21swapper/000:30:250
18919995834,18cyclictest0-21swapper/022:41:360
18919995823,27cyclictest0-21swapper/021:52:580
18919995822,29cyclictest0-21swapper/021:30:200
216899570,4rtkit-daemon2167-21rtkit-daemon21:36:100
1892099578,34cyclictest0-21swapper/123:33:581
18920995713,28cyclictest0-21swapper/121:06:591
1891999577,43cyclictest0-21swapper/021:45:250
1891999577,32cyclictest0-21swapper/020:15:130
1891999576,44cyclictest0-21swapper/023:38:550
1891999576,36cyclictest0-21swapper/019:50:010
1891999575,36cyclictest0-21swapper/019:40:020
1891999575,35cyclictest0-21swapper/021:10:000
18919995741,10cyclictest0-21swapper/020:42:590
18919995735,16cyclictest0-21swapper/020:50:170
18919995735,16cyclictest0-21swapper/020:50:170
18919995734,17cyclictest0-21swapper/021:10:220
18919995732,18cyclictest0-21swapper/022:18:240
18919995731,20cyclictest0-21swapper/023:49:090
18919995725,16cyclictest0-21swapper/021:25:010
1892099569,34cyclictest0-21swapper/119:48:591
1892099568,35cyclictest0-21swapper/100:17:581
18920995616,30cyclictest0-21swapper/119:26:591
18920995614,29cyclictest0-21swapper/122:39:591
18920995612,32cyclictest0-21swapper/120:17:591
18920995612,30cyclictest0-21swapper/119:35:591
18920995612,29cyclictest0-21swapper/120:53:011
18920995612,29cyclictest0-21swapper/120:53:001
18920995611,33cyclictest0-21swapper/123:23:581
1891999566,44cyclictest0-21swapper/022:00:480
1891999565,44cyclictest0-21swapper/021:21:430
1891999565,44cyclictest0-21swapper/020:12:590
1891999565,37cyclictest0-21swapper/022:20:190
1891999565,33cyclictest0-21swapper/022:30:010
18919995633,17cyclictest0-21swapper/000:25:210
18919995629,21cyclictest0-21swapper/000:06:070
216899550,4rtkit-daemon18917-21cyclictest20:04:490
18920995514,30cyclictest0-21swapper/121:36:591
1891999555,42cyclictest0-21swapper/020:25:300
18919995532,16cyclictest0-21swapper/022:31:570
18920995412,29cyclictest0-21swapper/120:32:001
18920995411,28cyclictest0-21swapper/122:23:001
18919995432,15cyclictest0-21swapper/021:00:210
18919995427,21cyclictest0-21swapper/019:20:180
18919995422,14cyclictest0-21swapper/020:40:000
1892099538,33cyclictest0-21swapper/123:14:581
18919995321,25cyclictest0-21swapper/019:46:350
18919995314,33cyclictest0-21swapper/019:34:000
295962524,12sleep10-21swapper/122:59:381
18920995210,31cyclictest0-21swapper/100:05:581
18919995229,17cyclictest0-21swapper/019:15:190
18919995214,32cyclictest0-21swapper/020:48:000
18919995212,31cyclictest0-21swapper/020:34:590
18920995113,27cyclictest0-21swapper/122:44:581
324752504,12sleep10-21swapper/122:08:151
18920995019,24cyclictest0-21swapper/120:37:341
216899490,4rtkit-daemon2167-21rtkit-daemon22:12:461
291072454,12sleep10-21swapper/123:54:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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