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2026-01-10 - 04:59
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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 rackeslot3.osadl.org (updated Sat Jan 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1808446997442,31cyclictest1866706-21kworker/1:022:30:011
1808446997242,29cyclictest1843004-21kworker/1:021:00:001
1808446997038,30cyclictest1843004-21kworker/1:021:15:131
1808446996864,2cyclictest0-21swapper/122:50:061
180844699675,60cyclictest0-21swapper/120:20:201
1808446996741,25cyclictest1032281-1kworker/1:2H19:15:121
1808446996740,25cyclictest1032281-1kworker/1:2H23:45:011
1808446996740,25cyclictest1032281-1kworker/1:2H23:45:001
1808446996739,27cyclictest1866706-21kworker/1:022:15:001
1808446996738,28cyclictest1891908-21kworker/1:323:35:121
1808446996738,28cyclictest1891908-21kworker/1:323:35:121
1808446996735,30cyclictest1829113-21kworker/1:120:15:131
1808446996662,2cyclictest0-21swapper/122:07:241
1808446996637,28cyclictest1875345-21kworker/1:322:45:141
1808446996636,29cyclictest1032281-1kworker/1:2H22:30:131
1808446996636,28cyclictest1032281-1kworker/1:2H00:00:131
1808446996632,32cyclictest1814039-21kworker/1:119:30:141
180844699660,64cyclictest0-21swapper/100:23:231
1808446996544,19cyclictest1902744-21kworker/1:300:10:131
1808446996542,21cyclictest1032281-1kworker/1:2H00:30:061
1808446996536,28cyclictest1859375-21kworker/1:322:00:001
1808446996536,28cyclictest1832215-21kworker/1:220:35:001
1808446996536,28cyclictest1032281-1kworker/1:2H23:05:011
1808446996359,2cyclictest0-21swapper/122:45:011
1808446996338,23cyclictest1032281-1kworker/1:2H00:35:121
1808446996258,2cyclictest0-21swapper/119:25:391
1808446996242,18cyclictest1032281-1kworker/1:2H19:55:161
1808446996142,17cyclictest1832215-21kworker/1:220:35:131
1808446996141,18cyclictest1823196-21kworker/1:020:02:541
1808446996042,17cyclictest1843004-21kworker/1:021:10:131
1808446996041,18cyclictest1843004-21kworker/1:021:05:141
1808446996039,19cyclictest1032281-1kworker/1:2H19:25:001
1808446996034,24cyclictest1879058-21kworker/1:123:00:141
1808446995943,15cyclictest1853443-21kworker/1:021:34:101
1808446995943,15cyclictest1847648-21kworker/1:221:21:021
1808446995941,16cyclictest1855347-21kworker/1:221:40:131
180844699590,57cyclictest1-21systemd22:01:181
1808446995852,4cyclictest0-21swapper/122:24:551
1808446995843,14cyclictest1827572-21kworker/1:220:05:481
1808446995843,14cyclictest1821406-21kworker/1:219:50:011
1808446995842,15cyclictest1814039-21kworker/1:119:40:121
1808446995842,15cyclictest1032281-1kworker/1:2H20:25:531
1808446995842,14cyclictest1887033-21kworker/1:023:34:261
1808446995842,14cyclictest1808260-21kworker/1:019:13:541
1808446995841,15cyclictest1853443-21kworker/1:021:35:131
1808446995840,16cyclictest1032281-1kworker/1:2H19:50:001
1808446995830,26cyclictest1887033-21kworker/1:023:20:131
1808446995742,14cyclictest1866706-21kworker/1:022:18:541
1808446995741,15cyclictest1887033-21kworker/1:023:25:061
1808446995741,15cyclictest1838386-21kworker/1:120:45:151
1808446995741,14cyclictest1032281-1kworker/1:2H19:35:131
1808446995734,15cyclictest1906088-21kworker/1:000:25:201
1808446995641,14cyclictest1032281-1kworker/1:2H23:47:061
1808446995640,15cyclictest1850748-21kworker/1:121:27:241
1808446995638,17cyclictest1883701-21kworker/1:223:10:131
1808446995638,16cyclictest1838386-21kworker/1:120:50:211
1808446995540,14cyclictest1901194-21kworker/1:200:09:051
1808446995540,14cyclictest1885490-21kworker/1:123:15:151
1808446995540,14cyclictest1855347-21kworker/1:221:45:171
1808446995539,15cyclictest1895007-21kworker/1:023:55:061
1808446995539,15cyclictest1879058-21kworker/1:122:55:141
1808446995538,16cyclictest1855347-21kworker/1:221:50:131
1808446995439,14cyclictest1843004-21kworker/1:021:00:011
1808446995433,20cyclictest1895007-21kworker/1:023:50:151
1808455995342,8cyclictest1451643-1kworker/3:0H21:50:133
1808450995348,3cyclictest1732022-1kworker/2:2H00:06:482
1808446995338,14cyclictest1871352-21kworker/1:222:39:191
1808446995338,14cyclictest1827572-21kworker/1:220:10:131
1808440995350,2cyclictest1865453-21kworker/0:022:44:190
1808440995349,3cyclictest1879072-21kworker/0:123:12:170
1808455995247,3cyclictest1451643-1kworker/3:0H23:59:403
1808455995247,3cyclictest1451643-1kworker/3:0H23:01:293
1808455995237,12cyclictest1451643-1kworker/3:0H21:00:133
1808450995249,2cyclictest1732022-1kworker/2:2H20:30:552
1808446995237,14cyclictest1902744-21kworker/1:300:17:251
1808446995228,23cyclictest1032281-1kworker/1:2H20:40:111
1808440995249,2cyclictest1905817-21kworker/0:000:36:230
1808440995245,4cyclictest3267985-1kworker/0:1H21:20:130
1808455995146,3cyclictest1451643-1kworker/3:0H20:06:283
1808455995146,3cyclictest1451643-1kworker/3:0H19:54:553
1808440995147,2cyclictest1892168-21kworker/0:023:40:460
1808440995147,2cyclictest1892168-21kworker/0:023:40:450
1808440995147,2cyclictest1856965-21kworker/0:321:51:150
1808455995045,3cyclictest1451643-1kworker/3:0H20:44:243
1808440995046,2cyclictest1836835-21kworker/0:220:40:270
1808440995045,3cyclictest3267985-1kworker/0:1H00:20:280
1808455994946,2cyclictest1836900-21kworker/3:122:05:193
1808455994944,3cyclictest1451643-1kworker/3:0H23:17:543
1808455994944,3cyclictest1451643-1kworker/3:0H00:11:573
1808440994945,3cyclictest1882151-21kworker/0:223:05:220
1808440994944,3cyclictest3267985-1kworker/0:1H22:20:190
1808440994944,3cyclictest3267985-1kworker/0:1H22:05:120
1808455994844,2cyclictest1865153-21kworker/3:223:37:103
1808455994844,2cyclictest1865153-21kworker/3:223:37:103
1808455994844,2cyclictest1451643-1kworker/3:0H21:24:233
1808455994843,4cyclictest1451643-1kworker/3:0H23:48:553
1808455994843,3cyclictest1865153-21kworker/3:222:20:543
1808450994845,2cyclictest1732022-1kworker/2:2H23:20:212
1808440994845,2cyclictest1902733-21kworker/0:100:12:130
1808440994845,2cyclictest1841456-21kworker/0:220:53:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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