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2026-05-24 - 16:44
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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 Sun May 24, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1990865991210,1cyclictest0-21swapper/312:15:123
1990865991210,1cyclictest0-21swapper/311:15:133
1990865991210,0cyclictest0-21swapper/311:25:013
199086599120,11cyclictest0-21swapper/310:35:013
199086599120,11cyclictest0-21swapper/309:45:113
199086599120,11cyclictest0-21swapper/308:40:163
199086599120,11cyclictest0-21swapper/307:50:143
199086599120,11cyclictest0-21swapper/307:36:263
199086599120,0cyclictest0-21swapper/309:45:003
1990865991111,0cyclictest0-21swapper/310:55:163
199086599110,11cyclictest0-21swapper/310:20:003
199086599110,11cyclictest0-21swapper/310:15:023
199086599110,10cyclictest0-21swapper/311:45:193
199086599110,10cyclictest0-21swapper/311:00:203
199086599110,0cyclictest0-21swapper/312:05:133
20483482100,1sleep02048350-21aten2.4-expect09:35:130
199086599109,0cyclictest0-21swapper/312:20:123
199086599109,0cyclictest0-21swapper/311:50:123
1990865991010,0cyclictest0-21swapper/310:25:093
1990865991010,0cyclictest0-21swapper/309:20:183
1990865991010,0cyclictest0-21swapper/308:35:173
1990865991010,0cyclictest0-21swapper/307:15:103
199086599100,9cyclictest0-21swapper/312:35:003
199086599100,9cyclictest0-21swapper/312:25:203
199086599100,8cyclictest0-21swapper/311:25:203
199086599100,0cyclictest0-21swapper/310:40:183
199086599100,0cyclictest0-21swapper/307:25:123
19908659999,0cyclictest0-21swapper/311:40:173
19908659999,0cyclictest0-21swapper/311:35:003
19908659999,0cyclictest0-21swapper/309:30:123
19908659999,0cyclictest0-21swapper/308:20:183
19908659999,0cyclictest0-21swapper/308:05:043
19908659990,8cyclictest0-21swapper/307:10:013
19908659988,0cyclictest0-21swapper/312:35:023
19908659988,0cyclictest0-21swapper/310:35:133
19908659988,0cyclictest0-21swapper/309:30:013
19908659988,0cyclictest0-21swapper/307:10:113
19908659987,0cyclictest0-21swapper/311:05:153
19908659980,8cyclictest0-21swapper/309:15:183
19908659977,0cyclictest0-21swapper/309:39:023
19908659977,0cyclictest0-21swapper/308:15:193
19908659977,0cyclictest0-21swapper/308:00:183
19908659977,0cyclictest0-21swapper/307:55:143
19908659977,0cyclictest0-21swapper/307:20:173
19908659970,7cyclictest0-21swapper/308:55:203
19908659970,6cyclictest0-21swapper/312:00:123
19908659970,0cyclictest0-21swapper/312:15:013
19908659970,0cyclictest0-21swapper/307:30:183
19908659966,0cyclictest0-21swapper/311:30:013
19908659966,0cyclictest0-21swapper/309:50:123
19908659966,0cyclictest0-21swapper/308:50:203
19908659966,0cyclictest0-21swapper/307:45:153
19908659960,5cyclictest0-21swapper/308:25:193
19908659960,0cyclictest0-21swapper/309:05:123
19908659955,0cyclictest0-21swapper/310:54:293
19908659955,0cyclictest0-21swapper/310:20:123
19908659955,0cyclictest0-21swapper/309:00:193
19908659955,0cyclictest0-21swapper/308:10:123
19908659954,0cyclictest0-21swapper/311:12:233
19908659950,5cyclictest0-21swapper/310:05:183
19908659950,5cyclictest0-21swapper/310:05:183
19908659950,4cyclictest0-21swapper/311:55:183
19908659950,2cyclictest0-21swapper/310:00:123
2113988240,2sleep02114014-21apt-get12:10:120
2011821240,3sleep22011994-21smartctl08:00:192
19908659944,0cyclictest0-21swapper/308:33:123
19908659940,3cyclictest20779832sleep310:45:143
19908659940,3cyclictest2056535-21chrt09:55:133
19908659940,3cyclictest2039159-21chrt09:10:273
19908659940,3cyclictest0-21swapper/308:45:123
19908659940,3cyclictest0-21swapper/307:40:113
1990531242,1sleep20-21swapper/207:07:352
1989045242,1sleep10-21swapper/107:05:011
2116067230,1sleep02116093-21apt-get12:15:120
2078449230,1sleep22078601-21memory10:45:172
2071369230,1sleep22071391-21apt-get10:30:032
2053380230,1sleep02053632-21users09:45:180
1988551231,1sleep00-21swapper/007:05:000
2125100220,1sleep02125373-21df_inode12:35:140
2124945220,1sleep22124971-21apt-get12:35:122
2101212220,1sleep22101314-21aten_r1power_fr11:40:122
2096797220,1sleep00-21swapper/011:30:140
2058183220,1sleep00-21swapper/009:58:440
2043590220,0sleep00-21swapper/009:24:380
2024867220,1sleep12024424-21/usr/sbin/munin08:35:151
2021218220,1sleep02021368-21sshd08:25:170
2016268220,0sleep00-21swapper/008:11:560
2012687220,1sleep00-21swapper/008:05:000
2009092220,1sleep10-21swapper/107:55:121
2003361220,1sleep10-21swapper/107:40:121
1996370220,1sleep11996621-21users07:20:191
2124180210,0sleep00-21swapper/012:32:500
2124010210,0sleep10-21swapper/112:31:171
2123582210,0sleep20-21swapper/212:30:182
2122024210,0sleep20-21swapper/212:27:112
2120939210,0sleep00-21swapper/012:25:170
2120520210,0sleep10-21swapper/112:25:141
2120256210,0sleep10-21swapper/112:24:581
2119287210,0sleep20-21swapper/212:20:192
2118437210,0sleep00-21swapper/012:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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