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2026-04-20 - 21:27
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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 Mon Apr 20, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1918372991312,0cyclictest0-21swapper/307:25:123
191837299130,12cyclictest0-21swapper/308:10:123
191837299130,0cyclictest0-21swapper/310:20:123
1918372991212,0cyclictest0-21swapper/310:35:143
1918372991211,0cyclictest0-21swapper/311:45:133
1918372991210,0cyclictest0-21swapper/308:50:003
191837299120,1cyclictest0-21swapper/307:35:123
191837299120,11cyclictest0-21swapper/312:30:133
191837299120,11cyclictest0-21swapper/312:30:013
191837299120,11cyclictest0-21swapper/309:25:123
191837299120,11cyclictest0-21swapper/309:00:103
191837299120,11cyclictest0-21swapper/308:25:123
191837299120,11cyclictest0-21swapper/307:45:003
191837299120,11cyclictest0-21swapper/307:10:113
191837299120,0cyclictest0-21swapper/310:45:013
191837299119,1cyclictest0-21swapper/311:30:123
191837299119,0cyclictest0-21swapper/309:10:193
1918372991111,0cyclictest0-21swapper/308:55:173
1918372991110,1cyclictest0-21swapper/307:50:003
191837299110,10cyclictest0-21swapper/312:15:013
191837299110,10cyclictest0-21swapper/311:25:113
191837299110,10cyclictest0-21swapper/310:55:023
191837299110,10cyclictest0-21swapper/308:30:123
191837299110,10cyclictest0-21swapper/307:30:173
191837299110,0cyclictest0-21swapper/311:10:183
191837299110,0cyclictest0-21swapper/308:15:123
191837299110,0cyclictest0-21swapper/307:20:103
191837299110,0cyclictest0-21swapper/307:15:013
1918372991010,0cyclictest0-21swapper/310:25:193
1918372991010,0cyclictest0-21swapper/310:19:563
1918372991010,0cyclictest0-21swapper/310:05:203
1918372991010,0cyclictest0-21swapper/309:40:123
1918372991010,0cyclictest0-21swapper/308:35:133
1918372991010,0cyclictest0-21swapper/308:00:173
191837299100,9cyclictest0-21swapper/310:05:003
191837299100,9cyclictest0-21swapper/308:20:163
19183729999,0cyclictest0-21swapper/312:15:133
19183729999,0cyclictest0-21swapper/311:56:333
19183729999,0cyclictest0-21swapper/310:10:123
19183729999,0cyclictest0-21swapper/309:55:013
19183729999,0cyclictest0-21swapper/309:35:163
19183729990,8cyclictest0-21swapper/311:05:133
19183729988,0cyclictest0-21swapper/311:50:123
19183729988,0cyclictest0-21swapper/311:00:113
19183729988,0cyclictest0-21swapper/310:30:233
19183729988,0cyclictest0-21swapper/309:20:183
19183729988,0cyclictest0-21swapper/309:19:563
19183729987,0cyclictest0-21swapper/312:20:123
19183729987,0cyclictest0-21swapper/311:35:133
19183729987,0cyclictest0-21swapper/311:15:153
19183729977,0cyclictest0-21swapper/312:06:303
19183729977,0cyclictest0-21swapper/309:05:143
19183729970,7cyclictest0-21swapper/309:30:183
19183729970,0cyclictest0-21swapper/308:50:183
19183729966,0cyclictest0-21swapper/312:35:143
19183729966,0cyclictest0-21swapper/310:50:193
19183729966,0cyclictest0-21swapper/307:45:173
19183729965,0cyclictest0-21swapper/312:00:253
19183729960,6cyclictest0-21swapper/309:45:203
19183729960,0cyclictest0-21swapper/308:00:003
1916562261,3sleep30-21swapper/307:05:033
19183729955,0cyclictest0-21swapper/311:40:173
19183729954,0cyclictest0-21swapper/308:40:183
19183729950,2cyclictest0-21swapper/309:55:133
1972842240,4sleep00-21swapper/009:26:130
1970905240,4sleep20-21swapper/209:22:062
19183729944,0cyclictest0-21swapper/310:40:163
19183729943,0cyclictest0-21swapper/308:05:133
1918226242,1sleep10-21swapper/107:09:531
1918118242,1sleep20-21swapper/207:08:302
1916574240,2sleep01916599-21/usr/sbin/munin07:05:120
2020956230,1sleep10-21swapper/111:20:131
2016958230,1sleep02017205-21diskstats11:10:140
2005814230,2sleep22005858-21aten_r1power_cu10:45:122
1998800230,2sleep11998804-21ssh10:27:571
1990942230,1sleep11990968-21apt-get10:10:121
1980256230,1sleep01980285-21apt-get09:45:140
1967396230,1sleep11967422-21apt-get09:15:131
1944271230,1sleep01944297-21apt-get08:15:120
19183729930,2cyclictest0-21swapper/311:20:123
2054337220,1sleep02054397-21munin-run12:40:010
2044371220,1sleep02044594-21/usr/sbin/munin12:15:150
2043771221,0sleep10-21swapper/112:13:521
2041386220,0sleep00-21swapper/012:06:110
2013125220,1sleep1613-21polkitd11:00:161
2003105220,0sleep00-21swapper/010:39:130
2002818220,0sleep10-21swapper/110:36:381
1988342220,1sleep21988739-21apt-key10:05:012
1984912220,1sleep21985036-21/usr/sbin/munin09:55:162
1983137220,1sleep11983309-21python309:50:191
1974282220,1sleep21974454-21python309:30:192
1964391220,1sleep01964528-21wc09:05:190
1962981220,0sleep20-21swapper/209:02:132
1962279220,1sleep00-21swapper/009:00:150
1928336220,1sleep00-21swapper/007:35:020
1918722220,1sleep11918971-21diskstats07:10:131
2053891210,0sleep20-21swapper/212:36:032
2052260210,0sleep10-21swapper/112:35:011
2052000210,0sleep00-21swapper/012:32:430
2051115210,0sleep20-21swapper/212:30:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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