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2026-05-17 - 17:04
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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 17, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299048499140,12cyclictest0-21swapper/309:35:123
299048499130,12cyclictest0-21swapper/309:15:133
299048499130,11cyclictest0-21swapper/309:30:113
2990484991211,0cyclictest0-21swapper/311:10:153
2990484991211,0cyclictest0-21swapper/309:45:113
299048499120,8cyclictest0-21swapper/309:40:223
299048499120,1cyclictest0-21swapper/310:00:143
299048499120,11cyclictest0-21swapper/311:40:143
299048499120,11cyclictest0-21swapper/311:05:173
299048499120,11cyclictest0-21swapper/311:00:183
299048499120,11cyclictest0-21swapper/310:55:013
299048499120,11cyclictest0-21swapper/310:55:013
299048499120,11cyclictest0-21swapper/309:05:123
299048499120,11cyclictest0-21swapper/308:25:003
299048499120,11cyclictest0-21swapper/307:25:013
2990484991111,0cyclictest0-21swapper/307:50:113
2990484991111,0cyclictest0-21swapper/307:45:183
299048499110,11cyclictest0-21swapper/311:55:183
299048499110,10cyclictest0-21swapper/309:25:153
299048499110,0cyclictest0-21swapper/312:35:133
299048499110,0cyclictest0-21swapper/308:20:003
299048499110,0cyclictest0-21swapper/307:20:003
299048499109,0cyclictest0-21swapper/312:00:153
299048499109,0cyclictest0-21swapper/307:55:113
2990484991010,0cyclictest0-21swapper/310:45:123
2990484991010,0cyclictest0-21swapper/310:30:013
2990484991010,0cyclictest0-21swapper/310:15:183
2990484991010,0cyclictest0-21swapper/307:25:003
299048499100,9cyclictest0-21swapper/312:30:123
299048499100,9cyclictest0-21swapper/308:05:173
299048499100,0cyclictest0-21swapper/312:25:023
299048499100,0cyclictest0-21swapper/310:05:113
299048499100,0cyclictest0-21swapper/307:35:173
299048499100,0cyclictest0-21swapper/307:14:553
29904849999,0cyclictest0-21swapper/312:20:013
29904849999,0cyclictest0-21swapper/312:05:173
29904849999,0cyclictest0-21swapper/311:20:193
29904849999,0cyclictest0-21swapper/310:10:143
29904849999,0cyclictest0-21swapper/308:35:133
29904849999,0cyclictest0-21swapper/308:30:163
29904849998,0cyclictest0-21swapper/307:40:143
29904849990,8cyclictest0-21swapper/312:10:143
29904849988,0cyclictest0-21swapper/311:31:433
29904849988,0cyclictest0-21swapper/310:40:133
29904849988,0cyclictest0-21swapper/309:50:123
29904849988,0cyclictest0-21swapper/309:20:213
29904849988,0cyclictest0-21swapper/309:00:183
29904849988,0cyclictest0-21swapper/308:55:023
29904849988,0cyclictest0-21swapper/308:50:173
29904849988,0cyclictest0-21swapper/308:10:193
2988690281,5sleep30-21swapper/307:05:113
29904849977,0cyclictest0-21swapper/311:36:003
29904849977,0cyclictest0-21swapper/311:25:193
29904849977,0cyclictest0-21swapper/310:30:123
29904849977,0cyclictest0-21swapper/310:30:123
29904849976,0cyclictest0-21swapper/308:42:593
29904849970,6cyclictest0-21swapper/308:00:223
29904849966,0cyclictest0-21swapper/312:25:153
29904849966,0cyclictest0-21swapper/310:20:123
29904849966,0cyclictest0-21swapper/308:45:183
29904849966,0cyclictest0-21swapper/308:25:203
29904849965,0cyclictest0-21swapper/311:54:563
29904849965,0cyclictest0-21swapper/307:30:133
29904849955,0cyclictest0-21swapper/311:18:583
29904849955,0cyclictest0-21swapper/310:38:293
29904849955,0cyclictest0-21swapper/309:55:183
29904849955,0cyclictest0-21swapper/309:10:153
29904849954,0cyclictest0-21swapper/311:45:113
3080268240,3sleep03080441-21python310:50:170
3050741240,3sleep23050850-21ps09:40:182
2990279241,1sleep00-21swapper/007:09:030
2989140240,2sleep20-21swapper/207:05:172
2989061241,1sleep10-21swapper/107:05:161
3106853230,1sleep23106879-21apt-get11:55:122
3092267230,1sleep23092293-21apt-get11:20:132
3074793230,2sleep23074797-21ssh10:37:542
3041026230,2sleep03041028-21ssh09:17:470
3037476230,1sleep03037502-21apt-get09:10:120
3027413232,1sleep0171ktimers/008:41:570
3004589232,1sleep0171ktimers/007:44:090
3117033220,1sleep23117047-21munin-run12:20:012
3113568220,1sleep23113126-21/usr/sbin/munin12:10:172
3102784220,1sleep13102695-21/usr/sbin/munin11:45:141
3101081220,1sleep03101233-21memory11:40:160
3094339220,2sleep23094343-21ssh11:25:092
3079469220,0sleep20-21swapper/210:50:122
3069041220,1sleep13069067-21apt-get10:25:121
3066417220,1sleep23066565-21dpkg10:20:022
3066203220,0sleep00-21swapper/010:18:070
3064585220,1sleep10-21swapper/110:15:131
3058378220,1sleep03058524-21aten2.4-expect10:00:140
3057915220,0sleep00-21swapper/009:58:420
3053116220,1sleep23053366-21users09:45:192
3051821220,1sleep03051855-21munin-run09:45:010
3045221220,1sleep10-21swapper/109:28:571
3030105220,1sleep03030255-21fw_packets08:50:130
3026995220,1sleep13027277-21users08:40:181
3009659220,1sleep00-21swapper/007:55:180
3124509210,0sleep10-21swapper/112:35:161
3123816210,0sleep00-21swapper/012:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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