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2026-07-20 - 11:12
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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 Mon Jul 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162629918311775,48cyclictest0-21swapper/021:39:580
162629917901735,46cyclictest0-21swapper/021:27:150
157922543524,12sleep10-21swapper/119:05:371
1626299426373,41cyclictest0-21swapper/019:11:450
1626399392346,32cyclictest0-21swapper/121:39:591
1626399382332,36cyclictest0-21swapper/119:11:451
1626399352307,31cyclictest0-21swapper/121:27:161
228699940,10rtkit-daemon0-21swapper/022:44:270
77912870,3sleep0221rcuc/020:15:130
16263998626,43cyclictest0-21swapper/121:20:591
1590228461,17sleep00-21swapper/019:06:430
1626399802,57cyclictest4812-21ssh23:14:591
1626299796,40cyclictest0-21swapper/023:05:020
1626299783,51cyclictest29705-21ssh21:13:520
228699770,4rtkit-daemon2285-21rtkit-daemon21:49:301
228699770,10rtkit-daemon0-21swapper/019:53:441
1626299763,47cyclictest30313-21ssh22:09:080
1626299753,59cyclictest24854-21ssh22:54:050
216112740,5sleep00-21swapper/023:41:390
128452730,4sleep0221rcuc/023:27:130
16262997044,21cyclictest0-21swapper/021:52:510
16262997039,26cyclictest0-21swapper/000:25:110
1626299703,61cyclictest27274-21diskmemload22:13:590
16262996939,25cyclictest0-21swapper/022:56:570
16262996918,44cyclictest88850irq/46-eth0-tx-21:46:320
16262996918,44cyclictest0-21swapper/021:57:370
228699680,11rtkit-daemon0-21swapper/120:29:591
1626299684,47cyclictest16109-21ssh23:33:030
16262996838,25cyclictest0-21swapper/023:55:010
1626299683,59cyclictest27274-21diskmemload00:24:490
1626299683,41cyclictest15792-21ssh22:38:440
16262996820,41cyclictest88850irq/46-eth0-tx-23:35:330
1626299682,45cyclictest3234-21munin-node00:05:240
1626299682,45cyclictest3234-21munin-node00:05:230
16263996711,37cyclictest0-21swapper/119:23:591
1626299677,55cyclictest21383-21ssh22:47:370
16262996744,17cyclictest0-21swapper/021:07:450
1626299674,54cyclictest5118-21munin-node22:20:200
1626299673,43cyclictest3536-21ssh22:17:490
1626299672,57cyclictest20038-21latency_hist20:50:000
1626299672,48cyclictest32534-21ssh21:18:280
16262996718,36cyclictest88850irq/46-eth0-tx-21:31:050
16263996618,30cyclictest0-21swapper/119:27:591
1626299664,44cyclictest0-21swapper/022:33:150
1626299663,40cyclictest9580-21ssh23:21:260
1626299662,58cyclictest28935-21munin-node23:55:180
1626299662,58cyclictest25445-21munin-node22:00:190
1626299662,57cyclictest9723-21ssh22:28:250
1626299662,56cyclictest3004-21ssh21:22:480
1626299662,53cyclictest25042-21crond21:01:010
1626299662,42cyclictest25170-21ssh23:48:210
1626299662,41cyclictest22806-21ssh00:38:290
1626299662,40cyclictest4099-21ssh23:12:520
16263996516,30cyclictest0-21swapper/123:48:591
16263996515,35cyclictest0-21swapper/120:37:591
16263996515,34cyclictest0-21swapper/120:21:591
1626299653,55cyclictest6025-21rm00:10:170
1626299653,55cyclictest6025-21rm00:10:160
1626299652,57cyclictest23461-21latency_hist19:30:020
1626299652,43cyclictest1241-21ssh00:01:430
1626299652,42cyclictest15173-21ssh21:43:330
1626299652,38cyclictest23642-21latency_hist21:00:000
16262996515,46cyclictest27274-21diskmemload23:06:150
16263996414,35cyclictest0-21swapper/123:59:001
16263996414,32cyclictest0-21swapper/119:35:581
16263996414,31cyclictest0-21swapper/119:56:591
16263996412,35cyclictest0-21swapper/119:43:001
16263996412,33cyclictest0-21swapper/123:52:581
16262996447,13cyclictest0-21swapper/020:55:010
1626299644,52cyclictest5021-21munin-node23:15:150
1626299642,56cyclictest9043-21grep00:15:170
1626299642,56cyclictest88850irq/46-eth0-tx-00:31:510
1626299642,31cyclictest31139-21entropy19:50:150
16263996316,31cyclictest0-21swapper/120:03:591
16263996315,32cyclictest0-21swapper/119:48:581
16263996314,35cyclictest0-21swapper/121:20:001
16263996314,34cyclictest0-21swapper/122:38:591
16262996342,16cyclictest0-21swapper/020:09:320
1626299632,53cyclictest6276-21munin-node20:10:180
1626299632,53cyclictest32631-21munin-node19:55:240
1626299632,38cyclictest30672-21latency_hist19:50:020
16263996216,32cyclictest0-21swapper/100:04:581
16263996214,31cyclictest0-21swapper/120:51:591
16263996212,36cyclictest0-21swapper/122:50:581
1626299623,53cyclictest12440-21runrttasks20:26:160
1626299622,52cyclictest20143-21aten_r1power_vo19:20:150
16263996111,32cyclictest0-21swapper/120:57:591
16262996141,16cyclictest0-21swapper/020:30:190
1626299614,51cyclictest6701-1kworker/0:1H20:40:020
16262996122,33cyclictest0-21swapper/019:35:260
1626299612,52cyclictest23618-21munin-node19:30:140
1626299612,52cyclictest2104-21munin-node20:00:110
1626299612,52cyclictest15646-21taskset20:35:240
16263996015,33cyclictest0-21swapper/100:14:591
16263996015,33cyclictest0-21swapper/100:14:591
16263996015,28cyclictest0-21swapper/122:26:591
16263996012,31cyclictest0-21swapper/120:15:591
16263996010,32cyclictest0-21swapper/100:30:591
16262996020,33cyclictest88850irq/46-eth0-tx-19:18:520
1626299602,50cyclictest27223-21munin-node19:40:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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