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2026-06-30 - 12:56
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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
Characteristics of the 100 highest latencies:
System rackcslot2.osadl.org (updated Tue Jun 30, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2000327652,8sleep10-21swapper/119:05:331
4972690,0sleep00-21swapper/000:03:240
1993226853,7sleep00-21swapper/019:04:480
113082660,1sleep10-21swapper/122:48:491
20473994310,32cyclictest0-21swapper/121:23:261
20473994210,31cyclictest0-21swapper/123:46:171
20473994210,31cyclictest0-21swapper/123:42:481
20473994110,31cyclictest0-21swapper/123:13:451
20473994110,31cyclictest0-21swapper/119:08:481
20473994110,30cyclictest0-21swapper/122:24:051
20473994110,30cyclictest0-21swapper/122:21:501
20473994018,21cyclictest0-21swapper/121:26:481
20473994016,23cyclictest0-21swapper/100:22:331
20473994010,29cyclictest0-21swapper/123:30:081
20473994010,29cyclictest0-21swapper/121:43:521
20473994010,29cyclictest0-21swapper/120:18:571
20473994010,29cyclictest0-21swapper/100:14:431
20473994010,28cyclictest0-21swapper/122:33:471
20473993913,25cyclictest0-21swapper/123:56:191
20473993910,29cyclictest0-21swapper/122:28:461
20473993910,29cyclictest0-21swapper/121:54:541
20473993910,28cyclictest0-21swapper/123:37:421
20473993910,28cyclictest0-21swapper/122:17:241
20473993910,28cyclictest0-21swapper/121:17:541
20473993910,27cyclictest0-21swapper/100:37:451
20473993816,22cyclictest0-21swapper/119:41:161
20473993813,24cyclictest100150irq/106-eth1-rx00:24:211
20473993810,27cyclictest0-21swapper/123:50:191
20473993810,24cyclictest0-21swapper/123:10:131
20473993719,18cyclictest0-21swapper/121:35:111
20473993710,8cyclictest0-21swapper/120:31:231
20473993710,27cyclictest0-21swapper/120:58:541
20473993710,27cyclictest0-21swapper/100:08:471
20473993710,26cyclictest0-21swapper/119:45:311
20473993710,26cyclictest0-21swapper/119:27:471
20473993710,25cyclictest0-21swapper/123:19:511
20473993615,20cyclictest0-21swapper/122:03:541
20473993610,26cyclictest0-21swapper/121:38:421
20473993610,26cyclictest0-21swapper/121:28:511
20473993610,26cyclictest0-21swapper/121:08:501
20473993610,26cyclictest0-21swapper/120:33:491
20473993610,26cyclictest0-21swapper/100:31:551
20473993610,25cyclictest0-21swapper/123:27:011
20473993610,23cyclictest0-21swapper/122:09:491
20473993610,10cyclictest0-21swapper/122:39:371
20473993510,25cyclictest0-21swapper/122:55:241
20473993510,24cyclictest0-21swapper/123:03:451
20473993510,24cyclictest0-21swapper/122:00:591
20473993510,24cyclictest0-21swapper/120:48:481
20473993510,24cyclictest0-21swapper/119:33:481
20473993510,23cyclictest0-21swapper/100:01:121
20473993510,20cyclictest0-21swapper/100:08:041
20473993415,18cyclictest0-21swapper/120:13:441
20473993410,7cyclictest0-21swapper/120:53:511
20473993410,23cyclictest0-21swapper/122:58:381
20473993410,23cyclictest0-21swapper/120:23:471
20473993410,23cyclictest0-21swapper/120:07:371
20472993410,0cyclictest0-21swapper/021:53:360
20473993310,4cyclictest0-21swapper/122:45:531
20473993310,22cyclictest0-21swapper/119:28:491
20473993310,22cyclictest0-21swapper/119:20:171
20473993210,7cyclictest0-21swapper/121:49:301
20472993232,0cyclictest0-21swapper/021:43:190
20473993110,16cyclictest0-21swapper/119:58:481
20473993010,3cyclictest0-21swapper/119:51:531
20473993010,2cyclictest0-21swapper/120:39:501
20473993010,17cyclictest0-21swapper/120:44:481
2047399282,25cyclictest572-21ntpdc21:03:491
20473992710,15cyclictest0-21swapper/119:56:401
20472992710,2cyclictest0-21swapper/023:49:220
20472992710,11cyclictest0-21swapper/022:23:170
20473992616,8cyclictest0-21swapper/119:14:051
2047299264,21cyclictest0-21swapper/023:01:140
2047299262,20cyclictest0-21swapper/022:25:550
2047299260,25cyclictest0-21swapper/021:47:180
2047299260,20cyclictest17186-21ssh00:25:360
20472992510,7cyclictest0-21swapper/023:53:470
20473992410,3cyclictest0-21swapper/120:11:111
20472992422,2cyclictest81ktimersoftd/023:23:500
20472992418,5cyclictest802-21apache222:36:330
20472992410,4cyclictest0-21swapper/000:20:280
20472992314,4cyclictest10620-21sh00:16:590
20472992311,7cyclictest636-21nscd23:13:000
20472992310,6cyclictest0-21swapper/021:28:460
2047299230,18cyclictest88332sleep022:44:320
20472992210,9cyclictest0-21swapper/021:50:340
20472992210,8cyclictest0-21swapper/021:34:120
20472992210,4cyclictest0-21swapper/020:03:510
2047299220,19cyclictest0-21swapper/021:13:450
2047299215,10cyclictest0-21swapper/021:12:000
2047299214,9cyclictest0-21swapper/023:43:450
20472992117,3cyclictest8402-21apache222:08:340
20472992113,4cyclictest0-21swapper/022:50:330
20472992110,6cyclictest0-21swapper/019:18:510
20472992110,4cyclictest0-21swapper/023:38:490
2047299210,1cyclictest0-21swapper/023:29:210
2047299205,8cyclictest0-21swapper/021:23:490
2047299204,6cyclictest0-21swapper/019:08:470
20472992019,1cyclictest802-21apache222:13:570
20472992016,1cyclictest0-21swapper/022:03:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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