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2025-12-03 - 21:39
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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 100 highest latencies:
System rack1slot8.osadl.org (updated Wed Dec 03, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185882932912,12sleep10-21swapper/107:06:421
1895199888845,28cyclictest0-21swapper/107:10:151
1895099782707,40cyclictest19368-21df_abs07:10:150
185442650626,17sleep00-21swapper/007:06:200
18951994342,5cyclictest5487-21ssh09:21:401
1895099406315,78cyclictest0-21swapper/009:21:410
2168991130,4rtkit-daemon2167-21rtkit-daemon09:29:200
189519911253,48cyclictest0-21swapper/109:46:581
18951999410,61cyclictest0-21swapper/109:08:001
216899910,43rtkit-daemon2167-21rtkit-daemon09:08:350
18951999013,61cyclictest0-21swapper/107:24:001
18951999010,62cyclictest0-21swapper/108:36:001
18950998011,59cyclictest0-21swapper/009:15:140
1895099786,15cyclictest0-21swapper/007:15:020
1895099775,9cyclictest0-21swapper/010:45:240
1895099769,7cyclictest0-21swapper/009:30:150
1895099765,64cyclictest0-21swapper/011:19:540
1895099764,11cyclictest18543-21munin-node08:35:250
103802760,10sleep00-21swapper/011:20:170
216899750,4rtkit-daemon2167-21rtkit-daemon09:54:100
1895099756,62cyclictest0-21swapper/011:26:270
1895099756,56cyclictest0-21swapper/010:07:210
1895099756,55cyclictest0-21swapper/010:38:260
1895099755,63cyclictest0-21swapper/012:38:420
1895099755,55cyclictest0-21swapper/010:01:510
1895099754,64cyclictest19200-21ssh09:45:130
18951997412,55cyclictest0-21swapper/109:44:001
18951997412,55cyclictest0-21swapper/109:43:591
1895099746,54cyclictest0-21swapper/010:20:320
1895099746,14cyclictest0-21swapper/009:38:290
1895099746,13cyclictest0-21swapper/010:32:350
1895099745,62cyclictest0-21swapper/011:40:100
1895099745,62cyclictest0-21swapper/011:40:090
1895099745,62cyclictest0-21swapper/011:07:010
1895099745,62cyclictest0-21swapper/010:11:480
1895099745,14cyclictest0-21swapper/011:00:000
18950997425,31cyclictest78950irq/46-eth0-tx-10:15:200
18951997317,36cyclictest0-21swapper/109:59:581
1895099739,50cyclictest0-21swapper/011:31:060
1895099736,16cyclictest0-21swapper/010:53:480
1895099725,16cyclictest0-21swapper/008:41:150
1895099725,15cyclictest0-21swapper/012:10:010
1895099724,9cyclictest11071-21ssh12:15:300
1895099724,8cyclictest30692-21munin-node11:00:230
18950997221,44cyclictest78950irq/46-eth0-tx-11:50:220
18951997115,38cyclictest0-21swapper/110:08:581
1895099716,16cyclictest0-21swapper/009:43:130
1895099716,16cyclictest0-21swapper/009:43:120
1895099715,13cyclictest0-21swapper/011:38:300
1895099714,15cyclictest0-21swapper/011:49:180
1895099713,60cyclictest31456-21ksmtuned09:10:530
1895099713,60cyclictest18684-21ssh12:30:130
1895099713,10cyclictest21733-21idleruntime-cro10:45:000
18950997117,45cyclictest0-21swapper/008:55:010
1895099706,10cyclictest0-21swapper/011:10:180
1895099706,10cyclictest0-21swapper/008:25:170
1895099705,15cyclictest0-21swapper/007:33:080
1895099704,9cyclictest24504-21munin-node07:25:240
1895099704,8cyclictest13383-21ssh12:20:190
1895099703,8cyclictest15662-21munin-node12:25:170
1895099702,8cyclictest17329-21idleruntime-cro08:35:000
1895099696,10cyclictest0-21swapper/008:05:120
1895099695,9cyclictest0-21swapper/010:25:190
1895099694,14cyclictest0-21swapper/007:22:320
18950996924,31cyclictest8250irq/14-pata_sch08:05:000
1895099692,10cyclictest1345-21ssh12:00:140
18950996912,8cyclictest7195-21ssh12:10:160
1895099687,54cyclictest0-21swapper/011:55:220
1895099685,14cyclictest0-21swapper/008:10:280
1895099684,14cyclictest0-21swapper/008:45:040
18950996815,37cyclictest11912-21latency_hist08:20:010
18950996812,49cyclictest25044-21munin-node09:55:220
18951996716,32cyclictest0-21swapper/108:32:001
18951996715,34cyclictest0-21swapper/107:49:001
18951996713,36cyclictest0-21swapper/107:34:001
1895099676,11cyclictest0-21swapper/008:20:160
18951996616,32cyclictest0-21swapper/112:39:581
18951996611,37cyclictest0-21swapper/108:18:591
1895099665,16cyclictest0-21swapper/007:39:170
1895099664,53cyclictest29915-21munin-node07:40:220
18950996610,10cyclictest0-21swapper/009:00:000
1895199658,37cyclictest0-21swapper/112:05:591
18951996513,33cyclictest0-21swapper/112:05:001
1895099656,15cyclictest0-21swapper/007:55:230
1895099653,8cyclictest27317-21processes09:00:240
18950996523,36cyclictest78950irq/46-eth0-tx-07:49:240
18951996415,31cyclictest0-21swapper/112:16:581
18951996414,31cyclictest0-21swapper/107:16:591
1895099643,11cyclictest1167-21munin-node07:50:110
18951996315,32cyclictest0-21swapper/111:28:581
18951996312,33cyclictest0-21swapper/107:43:011
18951996312,31cyclictest0-21swapper/111:22:001
18951996311,34cyclictest0-21swapper/109:01:001
1895199629,34cyclictest0-21swapper/111:10:591
1895199629,34cyclictest0-21swapper/110:35:581
18951996215,31cyclictest0-21swapper/109:25:591
18951996214,33cyclictest0-21swapper/109:19:001
18951996214,32cyclictest0-21swapper/110:49:581
18951996214,30cyclictest0-21swapper/108:11:001
18951996213,31cyclictest0-21swapper/108:57:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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