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2026-05-12 - 12:02
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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 Tue May 12, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167113399131,11cyclictest0-21swapper/323:00:133
167113399130,1cyclictest0-21swapper/319:35:123
167113399130,1cyclictest0-21swapper/300:35:113
167113399130,11cyclictest0-21swapper/320:45:123
1671133991210,1cyclictest0-21swapper/322:30:123
167113399120,1cyclictest0-21swapper/323:45:133
167113399120,11cyclictest0-21swapper/321:30:013
167113399120,11cyclictest0-21swapper/320:50:123
167113399120,11cyclictest0-21swapper/320:10:123
1671133991111,0cyclictest0-21swapper/322:10:013
167113399110,10cyclictest0-21swapper/323:50:143
167113399110,10cyclictest0-21swapper/323:40:203
167113399110,10cyclictest0-21swapper/322:50:183
167113399110,10cyclictest0-21swapper/322:50:013
167113399110,10cyclictest0-21swapper/321:55:013
167113399110,10cyclictest0-21swapper/319:20:173
167113399110,0cyclictest0-21swapper/321:55:113
167113399110,0cyclictest0-21swapper/321:20:183
167113399110,0cyclictest0-21swapper/319:34:593
167113399110,0cyclictest0-21swapper/319:10:123
167113399109,0cyclictest0-21swapper/323:35:113
167113399109,0cyclictest0-21swapper/322:25:223
167113399109,0cyclictest0-21swapper/321:39:063
167113399109,0cyclictest0-21swapper/320:25:123
167113399109,0cyclictest0-21swapper/319:40:123
1671133991010,0cyclictest0-21swapper/323:10:223
1671133991010,0cyclictest0-21swapper/322:55:123
1671133991010,0cyclictest0-21swapper/321:35:003
1671133991010,0cyclictest0-21swapper/320:00:163
1671133991010,0cyclictest0-21swapper/300:30:013
167113399100,9cyclictest0-21swapper/319:45:123
167113399100,0cyclictest0-21swapper/323:15:113
167113399100,0cyclictest0-21swapper/322:15:183
167113399100,0cyclictest0-21swapper/321:05:013
167113399100,0cyclictest0-21swapper/320:55:133
167113399100,0cyclictest0-21swapper/300:20:013
16700542101,2sleep10-21swapper/119:05:181
16711339999,0cyclictest0-21swapper/323:55:213
16711339999,0cyclictest0-21swapper/319:50:133
16711339999,0cyclictest0-21swapper/300:05:013
16711339998,0cyclictest0-21swapper/300:10:133
16711339990,9cyclictest0-21swapper/321:15:183
16711339990,9cyclictest0-21swapper/319:15:183
16711339990,0cyclictest0-21swapper/320:35:113
1669764290,5sleep30-21swapper/319:05:153
16711339988,0cyclictest0-21swapper/322:39:443
16711339988,0cyclictest0-21swapper/320:05:183
16711339980,7cyclictest0-21swapper/321:05:133
16711339977,0cyclictest0-21swapper/323:30:123
16711339977,0cyclictest0-21swapper/320:40:123
16711339977,0cyclictest0-21swapper/320:15:173
16711339977,0cyclictest0-21swapper/300:30:133
16711339977,0cyclictest0-21swapper/300:20:123
16711339976,0cyclictest0-21swapper/322:05:123
16711339975,1cyclictest0-21swapper/300:05:133
16711339970,7cyclictest0-21swapper/323:05:193
16711339966,0cyclictest0-21swapper/323:29:243
16711339966,0cyclictest0-21swapper/321:45:013
16711339955,0cyclictest0-21swapper/322:00:013
16711339955,0cyclictest0-21swapper/320:30:123
16711339954,0cyclictest0-21swapper/321:40:143
16711339950,5cyclictest0-21swapper/319:55:173
16711339944,0cyclictest0-21swapper/322:40:163
16711339944,0cyclictest0-21swapper/322:20:113
16711339944,0cyclictest0-21swapper/320:20:273
16711339944,0cyclictest0-21swapper/319:25:473
16711339943,0cyclictest0-21swapper/323:20:113
16711339940,2cyclictest0-21swapper/321:10:133
1670962242,1sleep20-21swapper/219:09:432
1804104230,0sleep10-21swapper/100:34:551
1789614230,2sleep21789828-21cpuspeed_turbos00:00:142
1757888230,1sleep11757914-21apt-get22:45:121
1696917230,1sleep01696943-21apt-get20:15:140
1673657230,1sleep11673683-21apt-get19:15:111
1669865231,1sleep00-21swapper/019:05:170
1800243220,1sleep20-21swapper/200:25:152
1798131220,0sleep01798157-21apt-get00:20:130
1793944220,1sleep00-21swapper/000:10:120
1791604220,1sleep11791630-21apt-get00:05:131
1778693220,0sleep00-21swapper/023:33:580
1774644220,1sleep01774662-21munin-run23:25:010
1770866220,1sleep11771136-21df_inode23:15:141
1768118220,1sleep10-21swapper/123:10:011
1757562220,1sleep00-21swapper/022:44:220
1750590220,1sleep11750840-21users22:25:221
1748969220,0sleep00-21swapper/022:22:100
1738317220,1sleep11738397-21/usr/sbin/munin22:00:011
1731901220,0sleep10-21swapper/121:43:281
1730275220,1sleep01730373-21/usr/sbin/munin21:40:150
1722883220,1sleep21723055-21python321:20:202
1714182220,1sleep01714208-21apt-get21:00:120
1712340220,1sleep21712614-21cstates20:55:142
1708428220,1sleep11708454-21apt-get20:45:131
1702424220,1sleep21702440-21munin-run20:30:002
1697695220,0sleep20-21swapper/220:15:202
1688744220,1sleep01688831-21cmp19:55:000
1684024220,1sleep21684157-21sendmail_mailqu19:40:182
1805234210,0sleep10-21swapper/100:35:191
1804474210,0sleep00-21swapper/000:35:140
1804370210,0sleep20-21swapper/200:35:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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