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2025-06-25 - 04:06
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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 all highest latencies:
System rack1slot8.osadl.org (updated Wed Jun 25, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40099903811,61cyclictest0-21swapper/119:13:121
39999847754,64cyclictest0-21swapper/019:13:120
323732622604,12sleep10-21swapper/119:05:271
216899920,3rtkit-daemon2167-21rtkit-daemon21:31:321
83762910,5sleep18379-21cut19:30:181
214272900,7sleep10-21swapper/100:12:031
39999888,60cyclictest0-21swapper/020:39:000
399998812,59cyclictest0-21swapper/019:33:000
216899840,4rtkit-daemon2167-21rtkit-daemon23:56:000
40099754,60cyclictest8368-21ssh22:55:011
399997423,32cyclictest0-21swapper/020:33:590
216899730,8rtkit-daemon2167-21rtkit-daemon19:06:500
216899720,9rtkit-daemon0-21swapper/123:22:291
216899700,4rtkit-daemon2167-21rtkit-daemon21:15:320
40099696,55cyclictest0-21swapper/123:30:591
40099693,57cyclictest7183-21munin-node21:55:271
40099692,58cyclictest12219-21munin-node23:00:261
40099688,7cyclictest26908-21ls23:25:331
40099685,54cyclictest0-21swapper/122:48:421
40099683,8cyclictest8693-21memory23:50:231
40099683,7cyclictest20692-21munin-node22:20:111
40099682,6cyclictest9813-21munin-node19:35:141
40099676,55cyclictest0-21swapper/122:05:291
40099676,54cyclictest0-21swapper/100:33:251
40099675,8cyclictest0-21swapper/122:33:551
40099675,55cyclictest0-21swapper/122:57:291
40099674,8cyclictest23547-21munin-node00:15:271
40099674,54cyclictest17689-21munin-node22:15:131
40099674,12cyclictest0-21swapper/119:20:161
40099674,12cyclictest0-21swapper/119:20:161
40099673,7cyclictest6820-21munin-node20:55:201
40099673,10cyclictest7169-21munin-node19:25:271
40099672,9cyclictest12159-21unixbench_singl23:55:311
40099672,57cyclictest2150-21gdm-simple-gree20:38:591
399996717,33cyclictest0-21swapper/020:15:590
216899670,10rtkit-daemon0-21swapper/119:17:061
40099669,47cyclictest8250irq/14-pata_sch23:40:011
40099668,50cyclictest0-21swapper/123:10:181
40099668,50cyclictest0-21swapper/123:10:181
40099665,8cyclictest0-21swapper/123:35:581
40099665,8cyclictest0-21swapper/122:40:261
40099665,8cyclictest0-21swapper/121:27:161
40099664,7cyclictest0-21swapper/123:09:131
40099664,12cyclictest0-21swapper/121:39:531
40099663,8cyclictest78850irq/45-eth0-rx-00:36:061
40099663,6cyclictest1427-21runrttasks21:04:371
40099663,10cyclictest3993-21ssh21:50:231
40099662,8cyclictest28526-21munin-node20:25:231
39999665,45cyclictest0-21swapper/022:40:010
399996615,34cyclictest0-21swapper/000:13:590
399996614,35cyclictest0-21swapper/019:54:590
40099656,53cyclictest0-21swapper/121:24:031
40099656,52cyclictest0-21swapper/100:22:231
40099654,9cyclictest0-21swapper/123:45:451
40099654,54cyclictest13825-21munin-node00:00:241
40099654,12cyclictest0-21swapper/122:37:531
40099654,11cyclictest0-21swapper/123:16:571
40099653,8cyclictest10130-21munin-node22:00:291
40099653,7cyclictest16034-21munin-node22:10:311
40099653,54cyclictest1593-21munin-node20:40:221
40099653,10cyclictest17275-21munin-node19:55:181
40099652,6cyclictest30994-21runrttasks20:32:401
399996513,35cyclictest0-21swapper/020:05:590
40099646,51cyclictest0-21swapper/120:00:161
40099643,9cyclictest27023-21munin-node20:20:281
40099643,9cyclictest27023-21munin-node20:20:281
40099643,7cyclictest32755-21munin-node21:45:141
40099643,10cyclictest3823-21munin-node20:45:271
40099642,8cyclictest15605-21munin-node21:15:251
40099637,49cyclictest0-21swapper/121:10:161
40099637,49cyclictest0-21swapper/100:05:091
40099635,19cyclictest0-21swapper/119:50:221
40099633,8cyclictest24212-21munin-node20:15:131
40099633,8cyclictest20903-21munin-node20:05:161
40099633,18cyclictest24320-21munin-node22:25:291
40099632,55cyclictest12067-21munin-node19:40:191
40099632,55cyclictest12067-21munin-node19:40:191
400996314,42cyclictest78850irq/45-eth0-rx-21:40:151
39999635,22cyclictest0-21swapper/021:47:000
399996316,32cyclictest0-21swapper/023:48:590
399996315,34cyclictest0-21swapper/023:53:590
399996313,35cyclictest0-21swapper/019:35:590
399996312,39cyclictest0-21swapper/021:40:150
40099623,9cyclictest4831-21munin-node20:50:161
40099623,9cyclictest13796-21munin-node19:45:181
40099623,9cyclictest13796-21munin-node19:45:181
40099622,7cyclictest22689-21sendmail20:10:161
40099622,10cyclictest10871-21munin-node21:05:251
39999625,51cyclictest0-21swapper/022:22:590
399996217,32cyclictest0-21swapper/021:36:590
399996210,35cyclictest0-21swapper/019:44:000
399996210,35cyclictest0-21swapper/019:43:590
216899620,9rtkit-daemon0-21swapper/100:29:261
39999618,35cyclictest0-21swapper/020:10:590
399996120,33cyclictest0-21swapper/023:15:130
399996116,30cyclictest0-21swapper/021:33:590
216899610,3rtkit-daemon14032-21sh22:08:180
399996039,15cyclictest0-21swapper/022:42:130
399996014,34cyclictest0-21swapper/021:12:590
399996013,31cyclictest0-21swapper/019:16:010
399995936,16cyclictest0-21swapper/023:30:360
399995915,30cyclictest0-21swapper/021:02:590
399995914,34cyclictest0-21swapper/021:29:590
399995914,31cyclictest0-21swapper/023:38:000
399995914,31cyclictest0-21swapper/021:59:590
399995911,34cyclictest0-21swapper/019:21:010
399995911,34cyclictest0-21swapper/019:21:000
39999585,42cyclictest0-21swapper/023:10:230
39999585,42cyclictest0-21swapper/023:10:230
399995815,32cyclictest0-21swapper/022:16:590
399995813,32cyclictest0-21swapper/020:03:590
39999575,46cyclictest0-21swapper/000:18:250
399995714,31cyclictest0-21swapper/022:32:590
399995713,35cyclictest0-21swapper/021:54:590
399995633,17cyclictest0-21swapper/021:05:140
399995629,17cyclictest0-21swapper/020:41:280
399995627,23cyclictest0-21swapper/000:30:210
399995625,24cyclictest0-21swapper/023:27:450
399995620,29cyclictest0-21swapper/023:23:580
399995614,32cyclictest0-21swapper/000:29:580
399995610,34cyclictest0-21swapper/022:25:590
39999555,33cyclictest0-21swapper/020:00:010
39999555,26cyclictest0-21swapper/022:12:310
399995523,15cyclictest8250irq/14-pata_sch00:39:560
399995513,30cyclictest0-21swapper/023:05:590
399995513,30cyclictest0-21swapper/020:58:590
399995513,29cyclictest0-21swapper/000:03:590
39999545,32cyclictest0-21swapper/022:55:010
39999544,29cyclictest0-21swapper/021:21:110
399995428,16cyclictest0-21swapper/020:25:590
399995420,27cyclictest0-21swapper/022:56:160
399995414,33cyclictest0-21swapper/000:20:140
399995411,31cyclictest0-21swapper/022:00:590
399995410,31cyclictest0-21swapper/019:46:010
399995410,31cyclictest0-21swapper/019:46:000
27892544,13sleep00-21swapper/022:45:160
39999535,41cyclictest0-21swapper/000:07:550
399995314,29cyclictest0-21swapper/023:03:000
399995313,29cyclictest0-21swapper/023:43:000
399995313,28cyclictest0-21swapper/019:25:590
399995233,13cyclictest0-21swapper/020:45:510
399995230,16cyclictest0-21swapper/020:20:250
399995230,16cyclictest0-21swapper/020:20:250
399995213,29cyclictest0-21swapper/020:52:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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