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2025-10-24 - 05:13
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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 highest latencies:
System rack1slot8.osadl.org (updated Fri Oct 24, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283152922903,12sleep10-21swapper/119:06:571
2865699832768,50cyclictest0-21swapper/019:10:130
2865799781720,47cyclictest0-21swapper/119:10:131
28358273821,709sleep00-21swapper/019:07:240
2865699477398,53cyclictest0-21swapper/020:25:190
2865799430349,49cyclictest0-21swapper/120:25:191
28657998112,42cyclictest0-21swapper/122:51:591
216899810,4rtkit-daemon2167-21rtkit-daemon19:47:080
28656997556,13cyclictest0-21swapper/023:03:590
216899750,4rtkit-daemon2167-21rtkit-daemon23:55:181
216899750,4rtkit-daemon2167-21rtkit-daemon22:01:110
216899750,4rtkit-daemon2167-21rtkit-daemon00:29:280
28657997414,39cyclictest0-21swapper/121:52:591
216899740,4rtkit-daemon2167-21rtkit-daemon22:20:011
216899740,4rtkit-daemon2167-21rtkit-daemon21:10:201
216899740,4rtkit-daemon2167-21rtkit-daemon20:18:590
216899730,4rtkit-daemon2167-21rtkit-daemon22:12:510
216899730,4rtkit-daemon2167-21rtkit-daemon21:57:560
216899730,4rtkit-daemon2167-21rtkit-daemon21:06:391
216899730,4rtkit-daemon2167-21rtkit-daemon00:25:231
28657997214,34cyclictest0-21swapper/122:13:001
216899720,4rtkit-daemon2167-21rtkit-daemon20:42:041
216899720,3rtkit-daemon2167-21rtkit-daemon19:27:231
216899710,4rtkit-daemon2167-21rtkit-daemon22:55:310
216899710,4rtkit-daemon2167-21rtkit-daemon20:57:090
216899710,4rtkit-daemon2167-21rtkit-daemon00:30:480
216899710,35rtkit-daemon18738-21latency_hist22:25:010
182182710,12sleep00-21swapper/021:27:100
28657997014,36cyclictest0-21swapper/119:43:591
28657997013,32cyclictest0-21swapper/123:40:591
28656997015,49cyclictest0-21swapper/022:40:590
216899700,4rtkit-daemon2167-21rtkit-daemon23:46:220
216899700,4rtkit-daemon2167-21rtkit-daemon23:34:520
216899700,4rtkit-daemon2167-21rtkit-daemon22:26:260
28657996912,37cyclictest0-21swapper/119:57:591
226142690,2sleep0221rcuc/023:26:470
216899690,4rtkit-daemon2167-21rtkit-daemon23:22:420
216899690,4rtkit-daemon2167-21rtkit-daemon22:48:510
216899690,4rtkit-daemon2167-21rtkit-daemon22:09:010
216899690,3rtkit-daemon2167-21rtkit-daemon23:48:281
216899690,3rtkit-daemon2167-21rtkit-daemon21:09:150
216899680,4rtkit-daemon2167-21rtkit-daemon21:33:350
216899680,4rtkit-daemon2167-21rtkit-daemon21:20:100
216899680,4rtkit-daemon2167-21rtkit-daemon20:20:380
216899680,4rtkit-daemon2167-21rtkit-daemon19:25:530
216899680,3rtkit-daemon2167-21rtkit-daemon23:57:470
216899680,3rtkit-daemon2167-21rtkit-daemon21:14:350
216899680,3rtkit-daemon2167-21rtkit-daemon21:02:591
216899680,3rtkit-daemon2167-21rtkit-daemon19:32:270
216899680,3rtkit-daemon2167-21rtkit-daemon19:19:330
2865799679,42cyclictest0-21swapper/119:31:591
28657996715,31cyclictest0-21swapper/122:47:591
28657996714,31cyclictest0-21swapper/100:21:591
216899670,4rtkit-daemon2167-21rtkit-daemon23:15:410
216899670,4rtkit-daemon2167-21rtkit-daemon21:35:550
216899670,4rtkit-daemon2167-21rtkit-daemon20:35:341
216899670,4rtkit-daemon2167-21rtkit-daemon20:12:091
216899670,4rtkit-daemon2167-21rtkit-daemon00:23:330
216899670,3rtkit-daemon2167-21rtkit-daemon23:16:571
216899670,3rtkit-daemon2167-21rtkit-daemon22:43:061
216899670,3rtkit-daemon2167-21rtkit-daemon20:50:440
216899670,3rtkit-daemon2167-21rtkit-daemon19:22:270
216899670,3rtkit-daemon2167-21rtkit-daemon00:12:180
216899660,4rtkit-daemon2167-21rtkit-daemon22:51:320
216899660,4rtkit-daemon2167-21rtkit-daemon21:50:100
216899660,4rtkit-daemon2167-21rtkit-daemon20:30:180
216899660,4rtkit-daemon2167-21rtkit-daemon19:58:440
216899660,3rtkit-daemon2167-21rtkit-daemon21:49:500
28657996513,35cyclictest0-21swapper/120:04:591
216899650,4rtkit-daemon2167-21rtkit-daemon23:29:471
216899650,4rtkit-daemon2167-21rtkit-daemon23:12:120
216899650,4rtkit-daemon2167-21rtkit-daemon20:46:091
216899650,4rtkit-daemon2167-21rtkit-daemon20:20:541
216899650,3rtkit-daemon2167-21rtkit-daemon20:32:241
2865799648,35cyclictest0-21swapper/123:35:591
2865799645,41cyclictest0-21swapper/122:27:591
28657996416,34cyclictest0-21swapper/100:10:591
28657996416,33cyclictest0-21swapper/100:31:591
28657996413,35cyclictest0-21swapper/121:47:581
28657996412,36cyclictest0-21swapper/122:21:591
28657996412,34cyclictest0-21swapper/119:38:001
216899640,4rtkit-daemon2167-21rtkit-daemon23:53:380
216899640,4rtkit-daemon2167-21rtkit-daemon21:00:390
216899640,4rtkit-daemon2167-21rtkit-daemon20:03:230
2865799635,37cyclictest0-21swapper/121:55:581
2865699636,49cyclictest0-21swapper/020:05:150
216899630,4rtkit-daemon2167-21rtkit-daemon20:39:090
216899630,4rtkit-daemon2167-21rtkit-daemon19:52:541
216899630,4rtkit-daemon2167-21rtkit-daemon19:49:541
216899630,3rtkit-daemon2167-21rtkit-daemon22:32:461
216899630,3rtkit-daemon2167-21rtkit-daemon22:15:310
216899630,3rtkit-daemon2167-21rtkit-daemon00:15:581
28657996213,31cyclictest0-21swapper/121:38:581
28656996227,19cyclictest0-21swapper/021:45:010
216899620,4rtkit-daemon2167-21rtkit-daemon23:43:180
216899620,3rtkit-daemon2167-21rtkit-daemon20:52:291
28657996115,31cyclictest0-21swapper/100:07:591
28657996113,33cyclictest0-21swapper/100:35:591
28657996113,29cyclictest0-21swapper/123:23:591
28657996112,31cyclictest0-21swapper/121:22:001
28656996136,17cyclictest0-21swapper/022:30:180
216899610,3rtkit-daemon2167-21rtkit-daemon23:52:431
216899610,3rtkit-daemon2167-21rtkit-daemon22:06:261
2865799608,38cyclictest0-21swapper/121:26:581
2865799605,48cyclictest0-21swapper/120:06:001
28657996014,33cyclictest0-21swapper/119:19:591
28657996014,30cyclictest0-21swapper/122:01:591
28657996012,34cyclictest0-21swapper/123:02:591
28657996011,30cyclictest0-21swapper/119:20:591
2865699606,47cyclictest0-21swapper/000:18:420
216899600,2rtkit-daemon28655-21cyclictest00:00:480
2865799599,33cyclictest0-21swapper/120:55:591
28657995914,33cyclictest0-21swapper/120:19:591
28657995814,31cyclictest0-21swapper/121:40:591
28657995814,28cyclictest0-21swapper/123:31:591
2865699586,45cyclictest0-21swapper/021:16:400
28656995832,16cyclictest0-21swapper/023:37:090
28656995825,27cyclictest0-21swapper/023:08:560
216899580,3rtkit-daemon2167-21rtkit-daemon23:05:171
28657995713,31cyclictest0-21swapper/123:14:591
28657995713,30cyclictest0-21swapper/121:31:591
28656995735,16cyclictest0-21swapper/000:09:050
28656995725,25cyclictest0-21swapper/000:35:240
2865699565,35cyclictest0-21swapper/019:40:000
28656995633,17cyclictest0-21swapper/022:39:300
28656995624,16cyclictest0-21swapper/020:15:000
216899560,3rtkit-daemon2167-21rtkit-daemon22:59:071
28657995514,27cyclictest0-21swapper/122:37:591
2865699556,37cyclictest0-21swapper/020:45:010
28657995413,29cyclictest0-21swapper/121:17:591
2865699535,31cyclictest0-21swapper/020:50:010
28656995230,16cyclictest0-21swapper/019:35:250
28656995219,27cyclictest0-21swapper/019:50:580
28657995113,31cyclictest0-21swapper/100:04:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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