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2026-08-26 - 05:04
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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 100 highest latencies:
System rackeslot3.osadl.org (updated Wed Aug 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1974869996961,5cyclictest2063269-21fschecks_count22:05:151
197486999670,65cyclictest0-21swapper/123:10:001
1974869996239,21cyclictest2101052-21kworker/1:122:50:151
1974869996146,14cyclictest2074205-21kworker/1:022:20:111
1974869996145,15cyclictest1992475-21kworker/1:220:05:001
1974869996144,16cyclictest2046330-21kworker/1:022:00:181
1974869996134,26cyclictest1998641-21kworker/1:120:30:151
1974869996043,16cyclictest1971907-21kworker/1:219:40:181
1974869996043,15cyclictest3834693-1kworker/1:1H20:35:151
1974869995944,14cyclictest2078894-21kworker/1:122:25:161
1974869995944,14cyclictest2048996-21kworker/1:221:50:071
1974869995944,14cyclictest1971907-21kworker/1:219:30:441
1974869995943,15cyclictest1998641-21kworker/1:120:28:051
1974869995943,15cyclictest1986044-21kworker/1:119:59:371
1974869995943,15cyclictest1986044-21kworker/1:119:53:361
1974869995943,15cyclictest1971907-21kworker/1:219:20:391
1974869995942,15cyclictest3834693-1kworker/1:1H20:00:141
1974869995933,25cyclictest1998641-21kworker/1:120:25:011
1974869995854,2cyclictest0-21swapper/120:40:561
1974869995845,11cyclictest0-21swapper/123:50:111
1974869995843,14cyclictest2131999-21kworker/1:123:25:131
1974869995843,14cyclictest2020772-21kworker/1:021:26:141
1974869995842,15cyclictest2127129-21kworker/1:323:15:221
1974869995842,14cyclictest3834693-1kworker/1:1H21:10:141
1974869995841,16cyclictest2053765-21kworker/1:121:55:131
1974869995840,17cyclictest2083807-21kworker/1:222:35:131
1974869995840,16cyclictest2006352-21kworker/1:120:50:251
1974869995839,18cyclictest2165047-21kworker/1:000:00:151
1974869995837,19cyclictest1993070-21kworker/1:320:15:151
1974869995831,26cyclictest2007891-21kworker/1:221:00:141
1974869995742,14cyclictest2189065-21kworker/1:000:25:161
1974869995742,14cyclictest2179503-21kworker/1:200:16:421
1974869995742,14cyclictest2154175-21kworker/1:223:45:141
1974869995742,14cyclictest2007891-21kworker/1:220:55:591
1974869995742,14cyclictest1971907-21kworker/1:219:25:411
1974869995741,15cyclictest2074205-21kworker/1:022:30:151
1974869995740,15cyclictest3834693-1kworker/1:1H22:16:141
1974864995751,3cyclictest3298066-1kworker/0:1H22:22:040
1974873995651,3cyclictest1994056-21kworker/3:220:15:203
1974869995653,2cyclictest0-21swapper/119:12:351
1974869995652,2cyclictest0-21swapper/120:10:051
1974869995641,14cyclictest3834693-1kworker/1:1H21:20:591
1974869995641,14cyclictest2179503-21kworker/1:200:22:081
1974869995641,14cyclictest2142027-21kworker/1:223:31:341
1974869995641,14cyclictest2036172-21kworker/1:321:40:001
1974869995640,15cyclictest3834693-1kworker/1:1H23:20:151
1974869995640,15cyclictest3834693-1kworker/1:1H21:34:351
1974869995640,15cyclictest2083807-21kworker/1:222:47:051
1974869995638,17cyclictest2083807-21kworker/1:222:40:161
1974873995549,4cyclictest3299579-1kworker/3:0H21:15:313
1974873995549,4cyclictest2001773-21kworker/3:121:35:423
1974872995551,2cyclictest3267504-1kworker/2:1H19:59:052
1974872995550,3cyclictest3267504-1kworker/2:1H19:20:062
1974869995540,14cyclictest2189065-21kworker/1:000:31:571
1974869995540,14cyclictest2144759-21kworker/1:323:35:131
1974869995540,14cyclictest2144759-21kworker/1:323:35:131
1974869995540,14cyclictest2137231-21kworker/1:023:41:061
1974869995540,14cyclictest2064557-21kworker/1:222:11:131
1974869995540,14cyclictest2015960-21kworker/1:221:15:241
1974869995539,15cyclictest2101052-21kworker/1:123:00:131
1974869995539,15cyclictest2101052-21kworker/1:123:00:011
1974869995539,15cyclictest1971907-21kworker/1:219:35:061
1974869995538,16cyclictest2165047-21kworker/1:000:05:161
1974869995536,18cyclictest3834693-1kworker/1:1H19:15:171
1974873995449,3cyclictest2001773-21kworker/3:122:04:563
1974872995449,3cyclictest3267504-1kworker/2:1H20:35:062
1974869995439,14cyclictest2174646-21kworker/1:100:10:161
1974869995439,14cyclictest2160326-21kworker/1:123:55:141
1974869995439,14cyclictest2115470-21kworker/1:023:10:131
1974869995439,14cyclictest2035129-21kworker/1:121:36:041
1974869995438,15cyclictest2036172-21kworker/1:321:45:141
1974869995438,15cyclictest1986044-21kworker/1:119:45:141
197486999540,2cyclictest0-21swapper/120:50:001
1974873995348,3cyclictest2093090-21kworker/3:022:40:273
1974873995348,3cyclictest2001773-21kworker/3:121:40:203
1974873995348,3cyclictest2001773-21kworker/3:120:41:173
1974869995338,14cyclictest2010991-21kworker/1:121:05:171
1974873995247,3cyclictest3299579-1kworker/3:0H21:04:553
1974873995247,3cyclictest2001773-21kworker/3:120:59:553
1974872995247,3cyclictest3267504-1kworker/2:1H23:56:352
1974872995247,3cyclictest2179035-21kworker/2:000:16:482
1974872995246,4cyclictest3267504-1kworker/2:1H22:16:202
1974864995248,3cyclictest3298066-1kworker/0:1H23:10:000
1974864995246,3cyclictest3298066-1kworker/0:1H19:20:130
1974873995146,3cyclictest2099125-21kworker/3:222:55:053
1974873995146,3cyclictest2001773-21kworker/3:122:39:553
1974873995137,12cyclictest3299579-1kworker/3:0H21:54:043
1974872995147,2cyclictest2007899-21kworker/2:020:58:042
1974872995146,3cyclictest3267504-1kworker/2:1H22:13:102
1974869995136,14cyclictest2179503-21kworker/1:200:36:591
1974873995046,2cyclictest2135405-21kworker/3:100:19:333
1974873995046,2cyclictest2001773-21kworker/3:121:25:053
1974873995045,3cyclictest2001773-21kworker/3:122:11:053
1974872995047,2cyclictest2088740-21kworker/2:222:49:042
1974872995047,2cyclictest2078696-21kworker/2:222:24:322
1974872995046,3cyclictest2198056-21kworker/2:100:35:472
1974872995045,3cyclictest3267504-1kworker/2:1H19:47:052
1974873994946,2cyclictest1978390-21kworker/3:120:01:263
1974873994944,3cyclictest2099125-21kworker/3:223:00:323
1974872994945,2cyclictest2004818-21kworker/2:220:43:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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