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2026-06-18 - 05:11
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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 Thu Jun 18, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3845985991411,2cyclictest3973498-21taskset00:20:123
384598599139,3cyclictest0-21swapper/321:20:003
3845985991311,1cyclictest0-21swapper/322:50:123
3845985991211,0cyclictest0-21swapper/322:55:123
384598599120,1cyclictest0-21swapper/300:10:123
384598599120,11cyclictest0-21swapper/323:40:013
384598599120,11cyclictest0-21swapper/322:40:013
384598599120,11cyclictest0-21swapper/322:25:113
384598599120,11cyclictest0-21swapper/321:45:103
384598599120,11cyclictest0-21swapper/320:45:113
384598599120,11cyclictest0-21swapper/320:00:013
384598599120,11cyclictest0-21swapper/319:45:013
384598599120,11cyclictest0-21swapper/319:35:013
384598599120,0cyclictest0-21swapper/319:15:113
384598599115,5cyclictest0-21swapper/300:25:113
3845985991111,0cyclictest0-21swapper/322:10:133
3845985991111,0cyclictest0-21swapper/319:10:123
3845985991110,0cyclictest0-21swapper/321:20:173
384598599110,1cyclictest0-21swapper/320:30:013
384598599110,11cyclictest0-21swapper/319:45:013
384598599110,10cyclictest0-21swapper/323:33:433
384598599110,10cyclictest0-21swapper/322:15:173
384598599110,0cyclictest0-21swapper/323:23:423
384598599110,0cyclictest0-21swapper/322:40:133
384598599110,0cyclictest0-21swapper/322:20:183
384598599110,0cyclictest0-21swapper/321:55:183
384598599110,0cyclictest0-21swapper/321:30:133
384598599110,0cyclictest0-21swapper/320:40:123
384598599110,0cyclictest0-21swapper/300:30:113
384598599109,0cyclictest0-21swapper/300:05:143
384598599109,0cyclictest0-21swapper/300:05:143
3845985991010,0cyclictest0-21swapper/323:55:133
3845985991010,0cyclictest0-21swapper/320:15:103
384598599100,9cyclictest0-21swapper/320:35:013
384598599100,10cyclictest0-21swapper/300:40:013
384598599100,0cyclictest0-21swapper/323:00:113
384598599100,0cyclictest0-21swapper/321:40:163
38459859999,0cyclictest0-21swapper/321:50:163
38459859999,0cyclictest0-21swapper/319:51:163
38459859999,0cyclictest0-21swapper/319:35:113
38459859999,0cyclictest0-21swapper/319:30:013
38459859990,8cyclictest0-21swapper/323:55:013
38459859990,8cyclictest0-21swapper/320:20:183
38459859990,0cyclictest0-21swapper/323:10:193
38459859988,0cyclictest0-21swapper/322:05:123
38459859988,0cyclictest0-21swapper/319:20:133
38459859987,0cyclictest0-21swapper/300:00:153
38459859980,8cyclictest0-21swapper/323:40:163
38459859980,7cyclictest0-21swapper/300:15:173
3844255281,4sleep30-21swapper/319:05:133
38459859977,0cyclictest0-21swapper/323:25:113
38459859977,0cyclictest0-21swapper/323:15:173
38459859977,0cyclictest0-21swapper/320:05:173
38459859970,6cyclictest0-21swapper/323:45:113
38459859970,6cyclictest0-21swapper/321:25:193
38459859970,6cyclictest0-21swapper/320:35:123
38459859970,6cyclictest0-21swapper/320:10:113
38459859966,0cyclictest0-21swapper/322:45:113
38459859965,1cyclictest0-21swapper/321:35:113
38459859960,6cyclictest0-21swapper/321:00:173
38459859955,0cyclictest0-21swapper/320:53:323
38459859954,0cyclictest0-21swapper/321:07:243
38459859950,5cyclictest0-21swapper/320:00:013
38459859950,4cyclictest3943232-21chrt23:05:473
38459859950,4cyclictest0-21swapper/322:30:113
38459859950,0cyclictest0-21swapper/321:10:173
3845628250,1sleep10-21swapper/119:07:111
3911869240,3sleep03912004-21cut21:55:010
3878115240,2sleep23878141-21apt-get20:30:092
3858873240,0sleep20-21swapper/219:40:182
38459859944,0cyclictest0-21swapper/322:02:123
38459859944,0cyclictest0-21swapper/320:55:043
3845501242,1sleep20-21swapper/219:05:322
3962742230,1sleep00-21swapper/023:55:120
3928571230,1sleep23928586-21apt-get22:35:012
3844172231,1sleep00-21swapper/019:05:020
3978609220,1sleep00-21swapper/000:30:190
3974336220,1sleep13974451-21/usr/sbin/munin00:20:191
3964856220,0sleep00-21swapper/000:00:130
3956591220,1sleep13956793-21sort23:40:121
3954146220,1sleep23954164-21munin-run23:35:012
3952833220,1sleep13953010-21needreboot23:30:161
3951856220,0sleep00-21swapper/023:28:150
3939523220,0sleep10-21swapper/123:00:021
3931432220,1sleep00-21swapper/022:40:040
3922566220,0sleep00-21swapper/022:20:060
3921862220,0sleep20-21swapper/222:16:082
3919299220,1sleep23919451-21sort22:10:202
3916305220,1sleep23916330-21apt22:05:112
3908098220,1sleep03908326-21cstates21:45:120
3905808220,1sleep23906055-21/usr/sbin/munin21:40:142
3903712220,1sleep23903959-21diskstats21:35:132
3895150220,2sleep23895152-21sshd21:14:152
3885968220,1sleep23886215-21diskstats20:50:152
3880494220,1sleep03880648-21memory20:35:160
3878271220,1sleep00-21swapper/020:30:110
3875697220,1sleep23875709-21munin-run20:25:012
3981085210,0sleep10-21swapper/100:35:561
3980607210,0sleep20-21swapper/200:35:172
3980333210,0sleep00-21swapper/000:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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