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2026-06-17 - 08:25
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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 Wed Jun 17, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4030226993630,362cyclictest40831942sleep321:24:563
4030226991312,0cyclictest0-21swapper/321:45:113
403022699130,12cyclictest0-21swapper/323:35:113
403022699130,11cyclictest0-21swapper/319:55:133
403022699120,8cyclictest0-21swapper/323:20:113
403022699120,11cyclictest0-21swapper/323:05:133
403022699120,11cyclictest0-21swapper/320:55:123
403022699120,11cyclictest0-21swapper/320:35:503
403022699120,11cyclictest0-21swapper/320:15:013
403022699120,11cyclictest0-21swapper/319:10:133
4030226991110,0cyclictest0-21swapper/323:15:123
4030226991110,0cyclictest0-21swapper/322:30:143
403022699110,10cyclictest0-21swapper/323:30:183
403022699110,0cyclictest0-21swapper/322:25:183
403022699110,0cyclictest0-21swapper/322:20:133
403022699110,0cyclictest0-21swapper/321:04:563
403022699110,0cyclictest0-21swapper/320:20:123
403022699109,0cyclictest0-21swapper/322:55:123
403022699109,0cyclictest0-21swapper/319:30:203
403022699108,1cyclictest0-21swapper/320:25:113
4030226991010,0cyclictest0-21swapper/322:35:203
4030226991010,0cyclictest0-21swapper/321:55:013
4030226991010,0cyclictest0-21swapper/320:50:013
4030226991010,0cyclictest0-21swapper/320:30:193
4030226991010,0cyclictest0-21swapper/300:35:113
4030226991010,0cyclictest0-21swapper/300:21:113
4030226991010,0cyclictest0-21swapper/300:15:023
403022699100,9cyclictest0-21swapper/319:25:193
403022699100,0cyclictest0-21swapper/323:40:183
403022699100,0cyclictest0-21swapper/323:05:013
403022699100,0cyclictest0-21swapper/300:30:023
40285222103,4sleep30-21swapper/319:05:123
40302269999,0cyclictest0-21swapper/319:25:003
40302269998,0cyclictest0-21swapper/322:10:103
40302269997,1cyclictest0-21swapper/321:55:133
40302269990,0cyclictest0-21swapper/300:25:193
40302269988,0cyclictest0-21swapper/323:45:123
40302269988,0cyclictest0-21swapper/322:45:133
40302269988,0cyclictest0-21swapper/322:40:193
40302269988,0cyclictest0-21swapper/322:05:243
40302269988,0cyclictest0-21swapper/321:15:143
40302269988,0cyclictest0-21swapper/319:50:123
40302269987,0cyclictest0-21swapper/323:55:163
40302269987,0cyclictest0-21swapper/322:00:123
40302269977,0cyclictest0-21swapper/321:35:123
40302269977,0cyclictest0-21swapper/321:30:483
40302269977,0cyclictest0-21swapper/321:25:133
40302269976,0cyclictest0-21swapper/320:00:163
40302269970,6cyclictest0-21swapper/323:25:023
40302269970,6cyclictest0-21swapper/320:10:023
4029470270,5sleep24029719-21/usr/sbin/munin19:05:192
40302269966,0cyclictest0-21swapper/323:10:183
40302269966,0cyclictest0-21swapper/322:15:143
40302269966,0cyclictest0-21swapper/321:05:183
40302269966,0cyclictest0-21swapper/320:44:563
40302269965,1cyclictest0-21swapper/300:05:163
4147058250,3sleep14147207-21ntp_states23:55:181
40302269955,0cyclictest0-21swapper/300:00:113
40302269954,0cyclictest0-21swapper/321:40:123
40302269954,0cyclictest0-21swapper/320:50:123
40302269954,0cyclictest0-21swapper/319:45:563
40302269954,0cyclictest0-21swapper/319:15:173
40302269952,2cyclictest0-21swapper/319:44:563
40302269951,2cyclictest0-21swapper/321:10:123
40302269950,5cyclictest0-21swapper/320:19:553
40302269950,0cyclictest0-21swapper/300:10:183
40302269950,0cyclictest0-21swapper/300:10:173
4138089243,1sleep04133595-21kworker/0:0+events23:35:110
40302269944,0cyclictest0-21swapper/319:35:113
40302269943,0cyclictest0-21swapper/322:50:143
40302269940,3cyclictest4144336-21chrt23:50:023
4029798240,1sleep10-21swapper/119:06:121
4029205241,1sleep00-21swapper/019:05:180
4137836230,1sleep24137870-21munin-run23:35:022
4120568230,2sleep10-21swapper/122:52:181
4110701230,1sleep24110727-21apt-get22:30:122
4105196230,2sleep24105274-21grep22:15:192
4102343230,1sleep04102369-21apt-get22:10:100
4096861230,2sleep14097015-21grep21:55:181
4087489230,1sleep14087515-21apt-get21:35:121
4086477230,2sleep14086750-21grep21:30:211
4062067230,0sleep1341rcuc/120:30:121
4045961230,2sleep04045972-21latency_hist19:50:010
4032057230,1sleep24032352-21diskstats19:15:012
4162063220,1sleep24162105-21ntp_states00:30:212
4152804220,1sleep04152986-21cpuspeed_turbos00:10:140
4152804220,1sleep04152986-21cpuspeed_turbos00:10:130
4148814220,1sleep10-21swapper/100:00:131
4146905220,1sleep04147057-21memory23:55:170
4134049220,1sleep04134344-21df23:25:140
4133371220,0sleep00-21swapper/023:24:430
4130272220,1sleep04130443-21python323:15:180
4125750220,0sleep00-21swapper/023:05:180
4123234220,1sleep1328-21plymouthd23:00:141
4120604220,0sleep00-21swapper/022:52:370
4112970220,1sleep04113217-21diskstats22:35:160
4099960220,1sleep10-21swapper/122:04:341
4097377220,1sleep00-21swapper/021:55:210
4094063220,1sleep10-21swapper/121:50:131
4091661220,1sleep04091687-21apt-get21:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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