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2025-08-21 - 19:04
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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 Thu Aug 21, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14966999827,936cyclictest0-21swapper/009:00:230
146422950931,13sleep10-21swapper/107:07:071
1496799917787,60cyclictest0-21swapper/109:00:231
147292728703,18sleep00-21swapper/007:07:570
1496699450376,45cyclictest0-21swapper/007:10:260
1496799368297,41cyclictest0-21swapper/107:10:261
149679911613,70cyclictest0-21swapper/107:23:001
14966999512,78cyclictest0-21swapper/011:04:580
105842890,4sleep010585-21ssh09:36:350
216899860,4rtkit-daemon2167-21rtkit-daemon11:36:041
14966998469,9cyclictest0-21swapper/009:47:590
14967998345,19cyclictest0-21swapper/112:17:581
14966998317,59cyclictest0-21swapper/009:10:000
216899810,4rtkit-daemon2167-21rtkit-daemon11:23:191
14967998110,57cyclictest0-21swapper/110:06:591
14966998113,59cyclictest0-21swapper/007:59:000
14966998015,58cyclictest0-21swapper/011:43:590
14966998013,59cyclictest0-21swapper/010:55:590
216899780,5rtkit-daemon2167-21rtkit-daemon12:30:361
216899780,5rtkit-daemon2167-21rtkit-daemon12:07:351
216899780,4rtkit-daemon2167-21rtkit-daemon11:40:141
14967997816,41cyclictest0-21swapper/111:59:591
216899770,4rtkit-daemon2167-21rtkit-daemon10:11:331
14967997716,40cyclictest0-21swapper/111:15:581
14966997722,49cyclictest0-21swapper/009:23:590
216899760,5rtkit-daemon2167-21rtkit-daemon09:23:011
216899750,5rtkit-daemon2167-21rtkit-daemon12:25:211
216899750,4rtkit-daemon2167-21rtkit-daemon11:09:091
216899750,4rtkit-daemon2167-21rtkit-daemon10:33:581
14967997512,49cyclictest0-21swapper/110:43:591
14966997416,37cyclictest0-21swapper/007:41:590
216899730,5rtkit-daemon2167-21rtkit-daemon07:45:221
216899730,4rtkit-daemon2167-21rtkit-daemon10:24:381
216899730,4rtkit-daemon2167-21rtkit-daemon07:19:161
14966997324,32cyclictest0-21swapper/007:39:590
14966997320,38cyclictest0-21swapper/011:05:020
216899720,4rtkit-daemon2167-21rtkit-daemon12:37:011
216899720,3rtkit-daemon2167-21rtkit-daemon09:57:481
216899720,11rtkit-daemon0-21swapper/011:27:041
14966997212,53cyclictest0-21swapper/008:59:000
216899710,4rtkit-daemon2167-21rtkit-daemon12:21:151
216899710,4rtkit-daemon2167-21rtkit-daemon09:43:171
216899710,3rtkit-daemon2167-21rtkit-daemon09:26:131
14966997121,35cyclictest0-21swapper/008:26:590
14966997120,36cyclictest0-21swapper/011:38:000
216899700,4rtkit-daemon2167-21rtkit-daemon12:28:520
216899700,4rtkit-daemon2167-21rtkit-daemon09:11:261
216899700,4rtkit-daemon2167-21rtkit-daemon08:57:071
216899700,3rtkit-daemon2167-21rtkit-daemon09:34:571
1496799707,38cyclictest0-21swapper/109:50:591
14966997060,5cyclictest20477-21ssh10:49:590
14966997010,54cyclictest0-21swapper/009:56:580
216899690,4rtkit-daemon2167-21rtkit-daemon11:27:000
216899690,4rtkit-daemon2167-21rtkit-daemon10:21:280
216899690,4rtkit-daemon2167-21rtkit-daemon09:39:381
216899690,3rtkit-daemon2167-21rtkit-daemon12:12:551
216899690,3rtkit-daemon2167-21rtkit-daemon11:31:491
216899690,3rtkit-daemon2167-21rtkit-daemon10:57:391
14966996921,39cyclictest4040-21ssh12:11:200
14966996917,38cyclictest0-21swapper/009:10:590
14966996915,36cyclictest0-21swapper/008:40:590
216899680,4rtkit-daemon2167-21rtkit-daemon10:53:031
14967996814,34cyclictest0-21swapper/108:37:001
14966996817,34cyclictest0-21swapper/011:53:580
14966996817,34cyclictest0-21swapper/008:24:000
216899670,4rtkit-daemon2167-21rtkit-daemon12:19:110
216899670,3rtkit-daemon2167-21rtkit-daemon07:32:061
14967996715,34cyclictest0-21swapper/108:20:591
14967996714,35cyclictest0-21swapper/111:12:581
14966996714,35cyclictest0-21swapper/008:45:590
14966996713,45cyclictest0-21swapper/007:21:590
14966996713,38cyclictest0-21swapper/012:22:590
216899660,3rtkit-daemon2167-21rtkit-daemon10:48:431
216899660,3rtkit-daemon2167-21rtkit-daemon10:04:320
14967996617,32cyclictest0-21swapper/107:42:001
14967996614,32cyclictest0-21swapper/108:41:591
14966996638,21cyclictest0-21swapper/012:39:080
14966996637,22cyclictest0-21swapper/012:00:250
14966996618,34cyclictest0-21swapper/010:27:590
14966996615,35cyclictest0-21swapper/008:31:000
14966996612,35cyclictest0-21swapper/010:11:040
216899650,3rtkit-daemon2167-21rtkit-daemon11:53:301
216899650,3rtkit-daemon2167-21rtkit-daemon08:25:221
14967996515,35cyclictest0-21swapper/109:16:001
14967996512,33cyclictest0-21swapper/108:30:591
14966996533,24cyclictest0-21swapper/010:40:240
14966996514,35cyclictest0-21swapper/007:49:590
216899640,3rtkit-daemon2167-21rtkit-daemon10:26:031
14967996415,33cyclictest0-21swapper/111:48:581
14967996413,33cyclictest0-21swapper/107:59:001
14966996423,36cyclictest0-21swapper/010:52:030
14966996416,30cyclictest19433-21kernelversion08:50:180
14966996414,33cyclictest0-21swapper/009:30:590
14966996412,41cyclictest0-21swapper/011:32:580
14967996314,35cyclictest0-21swapper/108:00:591
14967996313,33cyclictest0-21swapper/108:17:001
14967996312,31cyclictest0-21swapper/112:00:591
14966996322,35cyclictest12554-21munin-node09:40:180
14966996316,34cyclictest0-21swapper/011:24:590
14966996316,31cyclictest0-21swapper/008:13:590
14967996213,32cyclictest0-21swapper/108:10:591
14966996223,9cyclictest1363-21unixbench_singl11:10:270
14966996217,38cyclictest0-21swapper/009:50:170
14966996213,34cyclictest0-21swapper/010:33:580
216899610,4rtkit-daemon2167-21rtkit-daemon11:03:341
14967996114,33cyclictest0-21swapper/107:37:001
14967996112,33cyclictest0-21swapper/107:51:591
14966996134,20cyclictest0-21swapper/010:08:530
14966996117,30cyclictest0-21swapper/009:28:000
14966996117,18cyclictest0-21swapper/011:17:180
14967996011,36cyclictest0-21swapper/108:10:001
14966996030,18cyclictest0-21swapper/007:30:290
14966996018,30cyclictest0-21swapper/009:19:000
14966996013,33cyclictest0-21swapper/012:31:590
14966996010,36cyclictest0-21swapper/008:38:590
14967995915,31cyclictest0-21swapper/108:49:011
14967995913,33cyclictest0-21swapper/110:18:001
1496699595,38cyclictest0-21swapper/011:47:190
1496699595,34cyclictest0-21swapper/008:20:010
14966995923,19cyclictest14136-21ssh10:38:250
14966995920,33cyclictest27026-21pgrep11:55:220
14966995916,35cyclictest0-21swapper/007:17:590
14966995913,34cyclictest0-21swapper/007:29:000
14966995811,34cyclictest0-21swapper/012:06:590
14967995714,30cyclictest0-21swapper/108:53:001
14967995713,31cyclictest0-21swapper/109:49:001
14966995722,28cyclictest32513-21munin-node10:15:180
14967995611,31cyclictest0-21swapper/109:07:001
1496699555,44cyclictest0-21swapper/007:50:180
14966995430,15cyclictest0-21swapper/008:02:560
14966995412,30cyclictest0-21swapper/008:06:590
14967995333,10cyclictest13-21rcu_preempt10:37:581
14967995212,27cyclictest0-21swapper/110:00:581
217652514,12sleep10-21swapper/107:26:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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