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2026-05-27 - 16:24
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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 Wed May 27, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160440199130,1cyclictest0-21swapper/308:15:113
160440199130,11cyclictest0-21swapper/312:20:013
160440199130,11cyclictest0-21swapper/312:00:113
160440199130,11cyclictest0-21swapper/310:45:113
1604401991212,0cyclictest0-21swapper/311:35:113
160440199121,10cyclictest0-21swapper/308:50:123
1604401991210,1cyclictest0-21swapper/310:15:113
160440199120,1cyclictest0-21swapper/311:15:113
160440199120,11cyclictest0-21swapper/312:30:173
160440199120,11cyclictest0-21swapper/311:49:563
160440199120,11cyclictest0-21swapper/311:10:013
160440199120,11cyclictest0-21swapper/310:05:113
160440199120,11cyclictest0-21swapper/309:20:173
160440199120,11cyclictest0-21swapper/309:10:013
160440199120,11cyclictest0-21swapper/308:25:133
160440199120,11cyclictest0-21swapper/307:20:003
160440199119,2cyclictest0-21swapper/307:45:113
1604401991111,0cyclictest0-21swapper/312:35:173
1604401991110,0cyclictest0-21swapper/307:35:123
160440199110,1cyclictest0-21swapper/311:30:013
160440199110,10cyclictest0-21swapper/310:50:173
160440199110,10cyclictest0-21swapper/310:40:013
160440199110,0cyclictest0-21swapper/310:20:123
160440199109,1cyclictest0-21swapper/311:20:123
160440199109,0cyclictest0-21swapper/312:10:113
160440199109,0cyclictest0-21swapper/309:35:113
160440199109,0cyclictest0-21swapper/307:20:103
1604401991010,0cyclictest0-21swapper/312:08:063
1604401991010,0cyclictest0-21swapper/311:51:133
1604401991010,0cyclictest0-21swapper/309:10:123
160440199100,9cyclictest0-21swapper/310:40:173
160440199100,0cyclictest0-21swapper/309:30:013
160440199100,0cyclictest0-21swapper/308:45:133
160440199100,0cyclictest0-21swapper/307:55:003
16044019999,0cyclictest0-21swapper/310:30:173
16044019999,0cyclictest0-21swapper/310:30:173
16044019999,0cyclictest0-21swapper/310:10:103
16044019999,0cyclictest0-21swapper/310:00:193
16044019999,0cyclictest0-21swapper/307:30:153
16044019998,0cyclictest0-21swapper/309:50:113
16044019998,0cyclictest0-21swapper/309:45:173
16044019998,0cyclictest0-21swapper/308:30:123
16044019990,8cyclictest0-21swapper/310:25:183
16044019990,8cyclictest0-21swapper/309:15:103
16044019990,0cyclictest0-21swapper/311:00:173
16044019988,0cyclictest0-21swapper/308:35:133
16044019980,0cyclictest0-21swapper/312:25:123
16044019977,0cyclictest0-21swapper/311:40:113
16044019977,0cyclictest0-21swapper/311:30:003
16044019977,0cyclictest0-21swapper/307:40:173
16044019976,0cyclictest0-21swapper/307:25:193
16044019975,1cyclictest0-21swapper/309:55:123
16044019970,6cyclictest0-21swapper/311:55:173
1603485271,4sleep30-21swapper/307:05:183
16044019966,0cyclictest0-21swapper/309:40:173
16044019966,0cyclictest0-21swapper/309:25:153
16044019960,5cyclictest0-21swapper/310:55:123
16044019955,0cyclictest0-21swapper/308:55:133
16044019954,0cyclictest0-21swapper/311:10:123
16044019954,0cyclictest0-21swapper/308:21:343
16044019954,0cyclictest0-21swapper/308:04:463
16044019944,0cyclictest0-21swapper/312:23:303
16044019944,0cyclictest0-21swapper/308:10:063
16044019944,0cyclictest0-21swapper/308:05:123
16044019944,0cyclictest0-21swapper/307:55:463
16044019944,0cyclictest0-21swapper/307:12:193
16044019940,3cyclictest1647588-21chrt09:00:123
16044019940,2cyclictest0-21swapper/308:40:113
1603951242,1sleep20-21swapper/207:06:052
1602623241,1sleep10-21swapper/107:05:121
1602594240,1sleep01602620-21apt-get07:05:110
1723340230,1sleep11723366-21apt-get12:00:111
1703166230,0sleep00-21swapper/011:10:190
1693875230,2sleep21694030-21telnet10:50:112
1689686230,0sleep20-21swapper/210:40:112
1659738230,1sleep11659754-21apt-get09:30:011
1608597230,2sleep01608814-21date07:20:000
1736904220,1sleep01737154-21users12:30:200
1729333220,2sleep21729335-21cron12:15:012
1727501220,0sleep11727531-21apt-get12:10:111
1725515220,1sleep00-21swapper/012:05:140
1710212220,1sleep00-21swapper/011:29:200
1704714220,1sleep01704795-21irqstats11:15:150
1697405220,0sleep00-21swapper/010:56:540
1691922220,1sleep01692186-21df10:45:130
1691767220,0sleep20-21swapper/210:45:122
1679396220,1sleep21679657-21df_inode10:15:132
1679229220,1sleep00-21swapper/010:15:110
1674896220,1sleep21675091-21ls10:05:122
1654286220,1sleep01654440-21ntp_states09:15:150
1647713220,1sleep01647984-21df_inode09:00:140
1635799221,0sleep01635822-21perf08:30:000
1631761220,1sleep20-21swapper/208:17:342
1625177220,1sleep21625331-21ntp_states08:00:172
1621534220,1sleep01621683-21python307:50:180
1739681210,0sleep10-21swapper/112:39:131
1738097210,1sleep21738368-21/usr/sbin/munin12:35:142
1737935210,0sleep00-21swapper/012:35:080
1736543210,0sleep10-21swapper/112:30:171
1735608210,0sleep20-21swapper/212:30:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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