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2026-06-23 - 18:03
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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 Jun 23, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417179799130,12cyclictest0-21swapper/310:30:123
417179799130,11cyclictest0-21swapper/308:05:123
417179799122,0cyclictest0-21swapper/310:25:133
417179799120,1cyclictest0-21swapper/308:25:133
417179799120,11cyclictest0-21swapper/312:20:013
417179799120,11cyclictest0-21swapper/310:25:013
417179799120,11cyclictest0-21swapper/309:45:183
417179799120,11cyclictest0-21swapper/308:40:173
417179799120,10cyclictest0-21swapper/309:40:123
4171797991110,0cyclictest0-21swapper/311:45:133
417179799110,9cyclictest0-21swapper/312:35:133
417179799110,8cyclictest0-21swapper/312:20:173
417179799110,11cyclictest0-21swapper/308:49:563
417179799110,10cyclictest0-21swapper/311:35:013
417179799110,10cyclictest0-21swapper/310:00:003
417179799110,10cyclictest0-21swapper/308:35:133
417179799110,10cyclictest0-21swapper/307:36:513
417179799110,0cyclictest0-21swapper/311:50:123
417179799110,0cyclictest0-21swapper/311:20:023
417179799110,0cyclictest0-21swapper/310:55:213
417179799110,0cyclictest0-21swapper/309:20:013
417179799110,0cyclictest0-21swapper/309:00:173
417179799109,0cyclictest0-21swapper/309:50:123
417179799107,1cyclictest0-21swapper/307:50:123
4171797991010,0cyclictest0-21swapper/311:30:123
4171797991010,0cyclictest0-21swapper/311:30:013
4171797991010,0cyclictest0-21swapper/309:10:123
417179799100,9cyclictest0-21swapper/311:20:173
417179799100,9cyclictest0-21swapper/308:25:023
417179799100,9cyclictest0-21swapper/307:40:193
417179799100,8cyclictest0-21swapper/310:40:093
417179799100,10cyclictest0-21swapper/308:55:163
417179799100,0cyclictest0-21swapper/310:15:003
417179799100,0cyclictest0-21swapper/308:10:173
417179799100,0cyclictest0-21swapper/307:30:163
41717979999,0cyclictest0-21swapper/310:00:183
41717979999,0cyclictest0-21swapper/309:25:123
41717979999,0cyclictest0-21swapper/308:15:123
41717979999,0cyclictest0-21swapper/307:45:163
41717979998,0cyclictest0-21swapper/310:15:333
41717979998,0cyclictest0-21swapper/309:06:503
41717979990,8cyclictest0-21swapper/312:10:193
41717979990,8cyclictest0-21swapper/308:00:173
41717979990,1cyclictest0-21swapper/307:20:003
41717979990,0cyclictest0-21swapper/311:00:173
41717979988,0cyclictest0-21swapper/310:06:003
41717979976,0cyclictest0-21swapper/309:35:123
41717979976,0cyclictest0-21swapper/307:10:163
41717979970,7cyclictest0-21swapper/312:00:013
41717979970,6cyclictest30791-21taskset09:23:063
41717979970,6cyclictest0-21swapper/312:25:123
41717979970,5cyclictest0-21swapper/310:35:123
41717979970,0cyclictest0-21swapper/311:40:173
4170788271,4sleep30-21swapper/307:05:183
41717979966,0cyclictest0-21swapper/312:08:563
41717979966,0cyclictest0-21swapper/310:50:013
41717979966,0cyclictest0-21swapper/309:30:183
41717979966,0cyclictest0-21swapper/308:35:013
41717979966,0cyclictest0-21swapper/307:55:113
51199250,5sleep10-21swapper/110:10:521
41717979955,0cyclictest0-21swapper/308:50:123
41717979954,0cyclictest0-21swapper/307:25:143
41717979954,0cyclictest0-21swapper/307:20:113
41717979950,4cyclictest0-21swapper/312:30:123
41717979950,4cyclictest0-21swapper/311:10:203
41717979950,0cyclictest0-21swapper/311:55:113
4171524250,1sleep10-21swapper/107:08:131
41717979944,0cyclictest0-21swapper/311:06:423
41717979944,0cyclictest0-21swapper/310:50:123
4170062240,2sleep24170188-21cpu07:05:132
100453240,2sleep1100479-21apt-get12:10:131
92903230,1sleep093075-21python311:50:180
90992230,2sleep091196-21unixbench-2d11:45:220
81706230,2sleep081823-21aten2.4-expect11:25:120
80528230,2sleep280735-21grep11:20:182
65518230,2sleep20-21swapper/210:45:192
5436230,1sleep15453-21apt-get08:20:011
4176394230,2sleep04176602-21cpuspeed_turbos07:20:120
4170436231,1sleep00-21swapper/007:05:150
40768230,3sleep00-21swapper/009:45:500
27175230,1sleep027201-21apt-get09:15:120
14678230,2sleep214930-21/usr/sbin/munin08:40:192
13769230,2sleep014056-21df08:40:130
107456230,2sleep1107525-21ls12:25:171
97263220,1sleep197511-21grep12:00:191
97089220,1sleep097262-21python312:00:180
90051220,0sleep10-21swapper/111:45:141
7878220,0sleep00-21swapper/008:25:120
74169220,1sleep274295-21python311:05:172
70745220,0sleep00-21swapper/010:58:020
69138220,0sleep20-21swapper/210:55:122
52904220,1sleep253198-21grep10:15:212
4192576220,1sleep14192701-21ntpq08:00:161
4183422220,1sleep24183474-21file07:36:512
4181394220,0sleep00-21swapper/007:30:220
41649220,1sleep041922-21df_inode09:50:140
19860220,1sleep00-21swapper/008:55:140
106160220,1sleep1106164-21ssh12:22:171
99917210,0sleep20-21swapper/212:07:332
99054210,0sleep00-21swapper/012:05:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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