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2026-05-23 - 15:44
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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 rack1slot3.osadl.org (updated Sat May 23, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2085596991411,1cyclictest0-21swapper/311:00:113
208559699130,11cyclictest0-21swapper/310:30:133
208559699130,11cyclictest0-21swapper/309:00:113
2085596991211,0cyclictest0-21swapper/312:00:133
208559699120,1cyclictest0-21swapper/308:35:133
208559699120,11cyclictest0-21swapper/310:05:183
208559699120,11cyclictest0-21swapper/308:40:023
2085596991110,0cyclictest0-21swapper/311:55:133
208559699110,9cyclictest0-21swapper/309:05:123
208559699110,10cyclictest0-21swapper/312:35:123
208559699110,10cyclictest0-21swapper/312:12:503
208559699110,10cyclictest0-21swapper/308:30:183
208559699110,10cyclictest0-21swapper/308:09:563
208559699110,0cyclictest0-21swapper/310:45:133
208559699110,0cyclictest0-21swapper/310:05:013
208559699110,0cyclictest0-21swapper/309:30:203
208559699110,0cyclictest0-21swapper/307:15:183
208559699109,0cyclictest0-21swapper/311:40:123
2085596991010,0cyclictest0-21swapper/310:55:063
2085596991010,0cyclictest0-21swapper/309:35:083
208559699100,10cyclictest0-21swapper/307:10:123
208559699100,0cyclictest0-21swapper/310:40:173
208559699100,0cyclictest0-21swapper/308:50:173
208559699100,0cyclictest0-21swapper/307:50:173
20855969999,0cyclictest0-21swapper/311:40:023
20855969999,0cyclictest0-21swapper/311:30:123
20855969999,0cyclictest0-21swapper/310:25:183
20855969999,0cyclictest0-21swapper/309:20:193
20855969999,0cyclictest0-21swapper/308:49:563
20855969999,0cyclictest0-21swapper/307:20:143
20855969998,0cyclictest0-21swapper/311:23:103
20855969998,0cyclictest0-21swapper/311:15:193
20855969998,0cyclictest0-21swapper/311:10:013
20855969998,0cyclictest0-21swapper/310:35:153
20855969990,8cyclictest0-21swapper/310:20:203
20855969990,8cyclictest0-21swapper/309:59:553
20855969990,8cyclictest0-21swapper/307:40:143
20855969990,0cyclictest0-21swapper/312:25:193
20855969988,0cyclictest0-21swapper/308:55:153
20855969988,0cyclictest0-21swapper/307:45:013
20855969988,0cyclictest0-21swapper/307:25:143
20855969980,7cyclictest0-21swapper/312:15:133
20855969980,7cyclictest0-21swapper/309:25:183
20855969977,0cyclictest0-21swapper/312:30:123
20855969977,0cyclictest0-21swapper/311:50:163
20855969977,0cyclictest0-21swapper/309:41:053
20855969976,0cyclictest0-21swapper/309:50:193
20855969970,7cyclictest0-21swapper/312:05:193
20855969970,6cyclictest0-21swapper/311:25:123
20855969970,6cyclictest0-21swapper/311:05:183
2084598271,4sleep30-21swapper/307:05:183
20855969966,0cyclictest0-21swapper/309:46:573
20855969966,0cyclictest0-21swapper/309:15:193
20855969966,0cyclictest0-21swapper/309:10:123
20855969965,1cyclictest0-21swapper/308:00:133
20855969965,1cyclictest0-21swapper/307:35:123
20855969965,0cyclictest0-21swapper/308:10:163
20855969960,5cyclictest0-21swapper/311:45:173
20855969960,5cyclictest0-21swapper/310:17:013
2166860250,1sleep22167024-21cat10:30:182
20855969955,0cyclictest0-21swapper/310:10:123
20855969955,0cyclictest0-21swapper/308:20:113
20855969955,0cyclictest0-21swapper/307:30:113
20855969954,0cyclictest0-21swapper/312:20:123
20855969954,0cyclictest0-21swapper/310:51:153
2097158240,1sleep12097291-21date07:36:021
2087427240,1sleep12087461-21/usr/sbin/munin07:15:001
20855969944,0cyclictest0-21swapper/307:57:453
20855969944,0cyclictest0-21swapper/307:57:453
20855969940,3cyclictest2116751-21chrt08:25:553
20855969940,3cyclictest2111545-21chrt08:15:023
2083802241,1sleep10-21swapper/107:05:121
2189615230,1sleep12189641-21apt-get11:25:121
2171986230,0sleep20-21swapper/210:41:472
2168424231,1sleep02168450-21apt-get10:35:120
2084705231,0sleep00-21swapper/007:05:190
2083555231,1sleep20-21swapper/207:05:012
2217523220,1sleep12217549-21apt-get12:30:131
2210995220,1sleep22211021-21apt-get12:15:132
2209969220,0sleep00-21swapper/012:10:300
2206663220,1sleep02206852-21cat12:05:140
2200661220,1sleep02200811-21ntp_states11:50:170
2195885220,1sleep00-21swapper/011:40:120
2195282220,0sleep00-21swapper/011:37:080
2178400220,1sleep00-21swapper/010:58:170
2175984220,1sleep00-21swapper/010:50:210
2174433220,1sleep02174573-21date10:50:020
2159818221,0sleep22159890-21sed10:15:002
2144434220,0sleep00-21swapper/009:35:280
2137670220,1sleep22137763-21ntp_states09:20:182
2136991220,0sleep12137017-21apt-get09:20:121
2133072220,1sleep02133343-21df_inode09:10:150
2117320220,1sleep02117346-21apt-get08:30:130
2107133220,0sleep00-21swapper/008:00:220
2104904220,1sleep22105186-21users07:55:212
2104904220,1sleep22105186-21users07:55:202
2104665220,1sleep00-21swapper/007:55:190
2104665220,1sleep00-21swapper/007:55:180
2096786220,0sleep00-21swapper/007:35:330
2085856220,1sleep20-21swapper/207:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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