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2026-06-18 - 15:55
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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 Thu Jun 18, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165094899130,11cyclictest0-21swapper/310:45:123
165094899130,11cyclictest0-21swapper/307:45:103
1650948991211,0cyclictest0-21swapper/309:45:103
1650948991210,1cyclictest0-21swapper/309:20:123
1650948991210,1cyclictest0-21swapper/307:55:113
165094899120,11cyclictest0-21swapper/312:25:013
165094899120,11cyclictest0-21swapper/310:55:213
165094899120,11cyclictest0-21swapper/310:20:013
165094899120,11cyclictest0-21swapper/310:15:023
165094899120,11cyclictest0-21swapper/309:35:123
165094899120,11cyclictest0-21swapper/309:00:103
165094899120,11cyclictest0-21swapper/308:45:113
165094899120,10cyclictest0-21swapper/312:15:123
165094899120,10cyclictest0-21swapper/312:10:133
165094899120,10cyclictest0-21swapper/309:10:113
1650948991111,0cyclictest0-21swapper/308:55:193
1650948991110,0cyclictest0-21swapper/312:25:133
165094899110,9cyclictest0-21swapper/310:30:113
165094899110,10cyclictest0-21swapper/308:10:163
165094899110,0cyclictest0-21swapper/307:20:113
165094899108,1cyclictest0-21swapper/312:05:123
165094899108,1cyclictest0-21swapper/310:10:113
1650948991010,0cyclictest0-21swapper/311:50:133
1650948991010,0cyclictest0-21swapper/311:40:133
1650948991010,0cyclictest0-21swapper/311:35:123
1650948991010,0cyclictest0-21swapper/307:30:163
165094899100,9cyclictest0-21swapper/310:50:163
165094899100,9cyclictest0-21swapper/310:50:153
165094899100,9cyclictest0-21swapper/308:20:173
165094899100,0cyclictest0-21swapper/310:25:203
165094899100,0cyclictest0-21swapper/309:15:113
165094899100,0cyclictest0-21swapper/307:25:203
16509489999,0cyclictest0-21swapper/312:35:113
16509489999,0cyclictest0-21swapper/312:00:133
16509489999,0cyclictest0-21swapper/311:15:113
16509489999,0cyclictest0-21swapper/310:40:133
16509489999,0cyclictest0-21swapper/307:50:123
16509489998,0cyclictest0-21swapper/311:30:133
16509489998,0cyclictest0-21swapper/311:20:113
16509489998,0cyclictest0-21swapper/309:30:113
16509489990,8cyclictest0-21swapper/308:55:003
16509489990,8cyclictest0-21swapper/307:35:173
16509489990,8cyclictest0-21swapper/307:15:133
16509489988,0cyclictest0-21swapper/310:05:183
16509489988,0cyclictest0-21swapper/310:00:133
16509489988,0cyclictest0-21swapper/307:40:123
16509489987,0cyclictest0-21swapper/309:50:123
16509489980,0cyclictest0-21swapper/312:30:173
1649159281,4sleep30-21swapper/307:05:113
16509489977,0cyclictest0-21swapper/311:55:113
16509489977,0cyclictest0-21swapper/311:00:123
16509489977,0cyclictest0-21swapper/309:55:143
16509489977,0cyclictest0-21swapper/308:40:113
16509489976,1cyclictest0-21swapper/311:45:123
16509489976,0cyclictest0-21swapper/309:40:133
16509489976,0cyclictest0-21swapper/308:39:563
16509489975,1cyclictest0-21swapper/311:11:323
16509489966,0cyclictest0-21swapper/311:05:123
16509489966,0cyclictest0-21swapper/310:36:213
16509489965,0cyclictest0-21swapper/309:25:573
16509489960,0cyclictest0-21swapper/308:05:013
16509489954,0cyclictest0-21swapper/307:10:163
16509489950,5cyclictest0-21swapper/308:25:133
16509489950,2cyclictest0-21swapper/308:15:113
16509489950,0cyclictest0-21swapper/311:25:113
1649129250,1sleep10-21swapper/107:05:091
16509489944,0cyclictest0-21swapper/308:30:103
16509489940,2cyclictest0-21swapper/309:05:113
16509489940,0cyclictest0-21swapper/308:05:183
1649130240,1sleep21649156-21apt-get07:05:102
1746129230,1sleep11746141-21dump-pmu-power11:05:011
1738036230,1sleep10-21swapper/110:45:121
1702895230,2sleep11702006-21/usr/sbin/munin09:20:181
1679273230,2sleep11678829-21/usr/sbin/munin08:20:151
1667803231,1sleep01667943-21missed_timers07:50:160
1649897231,1sleep00-21swapper/007:05:160
1784204220,1sleep00-21swapper/012:35:090
1778586220,1sleep00-21swapper/012:20:160
1775332220,0sleep00-21swapper/012:15:010
1754481220,1sleep00-21swapper/011:25:020
1747865220,0sleep00-21swapper/011:06:570
1742726220,1sleep10-21swapper/110:55:171
1741627220,0sleep10-21swapper/110:52:131
1741627220,0sleep10-21swapper/110:52:121
1733844220,2sleep2766-21snmpd10:35:082
1728938220,0sleep10-21swapper/110:20:351
1727799220,1sleep00-21swapper/010:20:140
1725392220,1sleep01725667-21df_inode10:15:130
1722957220,1sleep01723128-21grep10:10:130
1721549220,1sleep11721620-21ls10:05:181
1718921220,1sleep21719168-21diskstats10:00:142
1711955220,1sleep21711974-21apt-get09:45:002
1706849220,1sleep01707013-21sensors_temp09:30:180
1703784220,1sleep00-21swapper/009:25:020
1689772220,1sleep00-21swapper/008:46:120
1687114220,1sleep11687263-21ntp_states08:40:151
1685080220,1sleep01685290-21ntpq08:35:150
1684318220,1sleep20-21swapper/208:35:012
1662966220,1sleep11662986-21apt-get07:40:011
1659840220,1sleep11659990-21ntp_states07:30:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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