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2026-07-09 - 06:28
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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 Thu Jul 09, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
434899907849,28cyclictest0-21swapper/119:24:391
39682880858,14sleep00-21swapper/019:06:350
39812791770,14sleep10-21swapper/119:06:451
434799761692,61cyclictest0-21swapper/019:24:380
434899473390,44cyclictest0-21swapper/119:10:021
4347991104,74cyclictest0-21swapper/019:10:010
228699960,10rtkit-daemon0-21swapper/020:48:170
228699960,10rtkit-daemon0-21swapper/000:27:560
4348999112,58cyclictest0-21swapper/122:09:581
228699820,4rtkit-daemon2285-21rtkit-daemon00:23:350
4348998021,42cyclictest0-21swapper/121:44:591
4348997816,41cyclictest0-21swapper/123:42:591
4347997858,15cyclictest0-21swapper/023:59:590
4348997518,37cyclictest0-21swapper/121:55:001
4348997418,36cyclictest0-21swapper/120:29:001
434799745,50cyclictest14-21rcuop/022:05:150
305712740,4sleep00-21swapper/021:35:240
4348997322,36cyclictest0-21swapper/123:16:591
4347997343,25cyclictest0-21swapper/022:52:590
228699730,11rtkit-daemon0-21swapper/021:55:571
4347997216,44cyclictest88850irq/46-eth0-tx-00:13:530
4347997212,54cyclictest88850irq/46-eth0-tx-21:30:340
4348997119,36cyclictest0-21swapper/120:42:001
4348997117,37cyclictest0-21swapper/121:04:591
4347997145,21cyclictest0-21swapper/021:20:230
4348997017,35cyclictest0-21swapper/100:31:591
434799703,47cyclictest28144-21ssh23:28:430
434799702,48cyclictest32375-21latency_hist00:35:000
4348996919,34cyclictest0-21swapper/120:23:591
4348996917,35cyclictest0-21swapper/122:23:591
434799699,53cyclictest0-21swapper/000:09:350
434799695,49cyclictest0-21swapper/000:04:120
4347996944,21cyclictest0-21swapper/020:20:130
434799692,61cyclictest10093-21ssh21:57:080
434799692,58cyclictest24302-21ssh22:23:170
4348996816,34cyclictest0-21swapper/120:09:591
4348996810,37cyclictest0-21swapper/120:03:001
4347996847,17cyclictest0-21swapper/020:55:190
434799684,58cyclictest0-21swapper/023:11:150
434799682,58cyclictest15351-21diskmemload00:19:200
434799682,42cyclictest31535-21latency_hist20:25:010
434799682,40cyclictest22040-21latency_hist22:20:010
4347996816,45cyclictest88850irq/46-eth0-tx-22:35:100
294362680,4sleep129437-21ssh00:29:451
4348996717,32cyclictest0-21swapper/120:37:591
4348996714,38cyclictest0-21swapper/119:47:001
4348996713,37cyclictest0-21swapper/119:19:591
434799673,50cyclictest7383-21ssh21:52:160
434799672,58cyclictest15351-21diskmemload23:39:200
434799672,57cyclictest15351-21diskmemload21:48:130
434799672,44cyclictest5265-21ssh22:46:180
4348996617,33cyclictest0-21swapper/121:16:581
4348996614,34cyclictest0-21swapper/121:36:591
4348996612,39cyclictest0-21swapper/122:11:591
4348996612,39cyclictest0-21swapper/122:11:581
4347996644,17cyclictest0-21swapper/023:15:230
4347996641,16cyclictest0-21swapper/023:51:080
434799663,57cyclictest12380-21ethtool21:00:170
434799662,59cyclictest4597-21latency_hist20:40:010
434799662,57cyclictest15351-21diskmemload21:40:210
434799662,55cyclictest13354-21latency_hist19:35:000
434799662,48cyclictest2320-21ssh00:38:330
4347996619,41cyclictest88850irq/46-eth0-tx-22:32:360
4347996618,34cyclictest25904-21taskset22:25:240
4347996616,44cyclictest88850irq/46-eth0-tx-22:10:290
4347996616,44cyclictest88850irq/46-eth0-tx-22:10:290
4348996514,35cyclictest0-21swapper/121:08:001
4347996545,16cyclictest0-21swapper/023:40:190
4347996539,21cyclictest0-21swapper/023:00:400
434799653,47cyclictest12084-21ssh22:00:250
434799652,56cyclictest5827-21ksmtuned23:45:260
434799652,55cyclictest31027-21ssh23:34:080
181862650,2sleep1271ktimersoftd/123:10:171
4348996418,29cyclictest0-21swapper/120:47:591
4348996416,34cyclictest0-21swapper/122:41:591
4348996414,34cyclictest0-21swapper/123:04:001
4348996413,33cyclictest0-21swapper/121:47:591
4348996412,36cyclictest0-21swapper/120:14:591
434799643,53cyclictest23539-21gltestperf23:20:150
434799643,52cyclictest16217-21ssh21:10:200
434799642,55cyclictest22280-21runrttasks19:59:120
434799642,55cyclictest18276-21telnet21:15:130
4348996320,30cyclictest0-21swapper/120:19:001
4348996316,32cyclictest0-21swapper/119:45:001
4348996316,31cyclictest0-21swapper/120:52:591
434799633,53cyclictest2657-21runrttasks22:41:530
434799632,53cyclictest27648-21runrttasks20:13:380
4348996217,29cyclictest0-21swapper/122:46:591
4348996217,29cyclictest0-21swapper/119:30:001
4348996216,31cyclictest0-21swapper/121:33:591
4348996216,31cyclictest0-21swapper/120:56:001
4348996215,28cyclictest0-21swapper/119:31:591
434799625,52cyclictest0-21swapper/019:50:170
4347996242,16cyclictest0-21swapper/021:25:040
4347996242,16cyclictest0-21swapper/020:34:570
434799623,41cyclictest17105-21ssh23:08:490
434799622,54cyclictest7943-21latency_hist19:20:020
434799622,41cyclictest11816-21ssh22:59:440
434899615,37cyclictest0-21swapper/123:26:591
4348996118,30cyclictest0-21swapper/123:36:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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