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2026-05-11 - 20:56
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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 May 11, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
383131399180,12cyclictest0-21swapper/307:35:113
3831313991312,0cyclictest0-21swapper/311:00:193
383131399130,11cyclictest0-21swapper/310:40:113
383131399130,11cyclictest0-21swapper/309:25:133
3831313991211,0cyclictest0-21swapper/310:55:153
3831313991210,1cyclictest0-21swapper/308:20:113
3831313991210,1cyclictest0-21swapper/308:15:103
383131399120,8cyclictest0-21swapper/309:50:133
383131399120,1cyclictest0-21swapper/311:45:123
383131399120,1cyclictest0-21swapper/310:20:123
383131399120,11cyclictest0-21swapper/310:25:133
3831313991111,0cyclictest0-21swapper/312:30:143
3831313991111,0cyclictest0-21swapper/311:25:013
3831313991110,0cyclictest0-21swapper/312:15:133
383131399110,10cyclictest0-21swapper/309:55:203
383131399110,0cyclictest0-21swapper/312:35:133
383131399110,0cyclictest0-21swapper/310:50:133
383131399110,0cyclictest0-21swapper/310:10:013
383131399110,0cyclictest0-21swapper/309:50:003
383131399110,0cyclictest0-21swapper/307:40:123
383131399110,0cyclictest0-21swapper/307:10:173
383131399109,0cyclictest0-21swapper/311:55:133
383131399109,0cyclictest0-21swapper/311:10:153
383131399108,1cyclictest0-21swapper/308:00:113
3831313991010,0cyclictest0-21swapper/311:42:313
3831313991010,0cyclictest0-21swapper/310:40:013
3831313991010,0cyclictest0-21swapper/309:00:153
3831313991010,0cyclictest0-21swapper/308:40:013
3831313991010,0cyclictest0-21swapper/307:25:163
383131399100,9cyclictest0-21swapper/312:10:223
383131399100,9cyclictest0-21swapper/310:45:173
383131399100,10cyclictest0-21swapper/311:35:193
383131399100,0cyclictest0-21swapper/309:15:123
383131399100,0cyclictest0-21swapper/307:55:203
38313139999,0cyclictest0-21swapper/308:10:123
38313139998,1cyclictest0-21swapper/308:40:123
38313139998,0cyclictest0-21swapper/311:05:133
38313139998,0cyclictest0-21swapper/309:25:003
38313139990,8cyclictest0-21swapper/312:10:013
38313139990,8cyclictest0-21swapper/310:00:183
38313139990,0cyclictest0-21swapper/308:25:123
38313139988,0cyclictest0-21swapper/311:20:013
38313139988,0cyclictest0-21swapper/307:45:123
38313139988,0cyclictest0-21swapper/307:30:183
38313139988,0cyclictest0-21swapper/307:15:173
38313139983,0cyclictest0-21swapper/311:30:123
38313139980,0cyclictest0-21swapper/308:55:183
38313139977,0cyclictest0-21swapper/312:20:133
38313139977,0cyclictest0-21swapper/312:00:133
38313139977,0cyclictest0-21swapper/310:15:163
38313139977,0cyclictest0-21swapper/309:40:173
38313139977,0cyclictest0-21swapper/309:10:033
38313139976,1cyclictest0-21swapper/308:05:123
38313139976,0cyclictest0-21swapper/309:30:183
38313139970,0cyclictest0-21swapper/307:50:133
3829929271,4sleep30-21swapper/307:05:163
38313139966,0cyclictest0-21swapper/311:20:183
38313139966,0cyclictest0-21swapper/307:25:013
38313139965,0cyclictest0-21swapper/311:50:123
38313139955,0cyclictest0-21swapper/310:33:373
38313139954,0cyclictest0-21swapper/312:25:103
38313139954,0cyclictest0-21swapper/308:30:383
38313139952,1cyclictest0-21swapper/308:50:113
3951692243,1sleep03941654-21kworker/0:0+events12:01:520
3940516240,3sleep03940616-21proc_pri11:35:180
3897112240,3sleep23897116-21ssh09:51:312
3893690240,1sleep10-21swapper/109:45:121
38313139944,0cyclictest0-21swapper/310:11:063
38313139944,0cyclictest0-21swapper/309:35:183
38313139940,3cyclictest3869479-21chrt08:45:023
3830824242,1sleep10-21swapper/107:05:431
3829485242,1sleep20-21swapper/207:05:032
3965865230,2sleep13965074-21/usr/sbin/munin12:35:191
3912800230,2sleep13912861-21idleruntime10:30:151
3887400230,1sleep13887426-21apt-get09:30:121
3871155230,2sleep03871172-21munin-run08:50:000
38313139933,0cyclictest0-21swapper/309:05:063
3829498231,1sleep00-21swapper/007:05:130
3957851220,1sleep03957853-21ssh12:16:090
3954531220,1sleep23954804-21df_inode12:10:152
3951293220,1sleep10-21swapper/112:00:211
3948826220,1sleep23948888-21ntp_states11:55:182
3948112220,1sleep13948146-21aten_r1power_cu11:55:131
3934998220,2sleep03935002-21ssh11:24:140
3928634220,1sleep10-21swapper/111:08:221
3926043220,1sleep00-21swapper/011:00:200
3903774220,1sleep00-21swapper/010:10:010
3902017220,1sleep10-21swapper/110:05:151
3892993220,1sleep00-21swapper/009:41:520
3888368220,1sleep03888618-21tail09:30:190
3888116220,1sleep23888194-21pluginstate09:30:172
3881511220,1sleep10-21swapper/109:15:151
3874789220,0sleep00-21swapper/008:57:370
3865651220,1sleep00-21swapper/008:35:110
3864537220,1sleep03864708-21python308:30:190
3854069220,1sleep23854151-21irqstats08:05:152
3845971220,1sleep00-21swapper/007:45:120
3966751210,0sleep20-21swapper/212:38:402
3965757210,0sleep00-21swapper/012:35:180
3962965210,0sleep20-21swapper/212:30:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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