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2026-04-27 - 07:12
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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 Apr 27, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
333012999149,0cyclictest0-21swapper/321:40:013
3330129991311,1cyclictest0-21swapper/323:40:123
333012999130,1cyclictest0-21swapper/322:25:133
333012999120,1cyclictest0-21swapper/300:15:153
333012999120,11cyclictest0-21swapper/322:55:183
333012999120,11cyclictest0-21swapper/322:40:133
333012999120,11cyclictest0-21swapper/319:15:003
333012999120,0cyclictest0-21swapper/321:05:123
333012999120,0cyclictest0-21swapper/320:30:113
333012999119,1cyclictest0-21swapper/322:35:113
3330129991110,0cyclictest0-21swapper/319:55:123
3330129991110,0cyclictest0-21swapper/300:30:143
333012999110,1cyclictest0-21swapper/323:20:153
333012999110,11cyclictest0-21swapper/322:10:173
333012999110,10cyclictest0-21swapper/322:50:203
333012999110,10cyclictest0-21swapper/319:10:113
333012999110,0cyclictest0-21swapper/322:05:123
333012999110,0cyclictest0-21swapper/322:00:013
333012999110,0cyclictest0-21swapper/321:45:023
333012999110,0cyclictest0-21swapper/319:30:193
3330129991010,0cyclictest0-21swapper/321:20:143
3330129991010,0cyclictest0-21swapper/321:15:153
3330129991010,0cyclictest0-21swapper/320:10:183
3330129991010,0cyclictest0-21swapper/320:00:123
333012999100,9cyclictest0-21swapper/300:25:213
333012999100,10cyclictest0-21swapper/322:45:193
33301299999,0cyclictest0-21swapper/323:15:123
33301299999,0cyclictest0-21swapper/323:05:163
33301299999,0cyclictest0-21swapper/321:25:183
33301299999,0cyclictest0-21swapper/320:37:083
33301299999,0cyclictest0-21swapper/319:35:183
33301299998,0cyclictest0-21swapper/323:25:133
33301299998,0cyclictest0-21swapper/320:40:123
33301299988,0cyclictest0-21swapper/323:00:163
33301299988,0cyclictest0-21swapper/320:45:133
33301299988,0cyclictest0-21swapper/320:15:193
33301299988,0cyclictest0-21swapper/319:50:173
33301299988,0cyclictest0-21swapper/300:10:173
33301299987,0cyclictest0-21swapper/323:55:013
33301299987,0cyclictest0-21swapper/321:05:003
33301299987,0cyclictest0-21swapper/300:00:153
33301299980,7cyclictest0-21swapper/323:50:193
33301299980,0cyclictest0-21swapper/322:17:013
33301299977,0cyclictest0-21swapper/323:30:183
33301299977,0cyclictest0-21swapper/320:50:133
33301299977,0cyclictest0-21swapper/320:25:143
33301299977,0cyclictest0-21swapper/319:50:013
33301299977,0cyclictest0-21swapper/319:45:003
33301299977,0cyclictest0-21swapper/300:35:203
33301299970,0cyclictest0-21swapper/322:00:133
3328466271,4sleep30-21swapper/319:05:153
33301299966,0cyclictest0-21swapper/322:20:183
33301299966,0cyclictest0-21swapper/300:20:133
33301299965,0cyclictest0-21swapper/321:12:393
33301299960,6cyclictest0-21swapper/321:40:163
3396023251,1sleep23396051-21apt-get21:55:122
33301299955,0cyclictest0-21swapper/322:30:193
33301299955,0cyclictest0-21swapper/321:30:133
33301299955,0cyclictest0-21swapper/320:05:163
33301299955,0cyclictest0-21swapper/300:05:173
33301299954,1cyclictest0-21swapper/319:20:133
33301299954,0cyclictest0-21swapper/320:20:143
33301299950,5cyclictest0-21swapper/323:50:013
33301299950,4cyclictest0-21swapper/321:00:013
33301299950,3cyclictest0-21swapper/319:25:353
3426735240,1sleep03426739-21ssh23:07:020
33301299943,0cyclictest0-21swapper/321:50:163
33301299940,3cyclictest3438016-21chrt23:35:073
33301299940,2cyclictest0-21swapper/323:10:133
3329831242,1sleep20-21swapper/219:08:112
3329621242,1sleep10-21swapper/119:05:291
3460347230,2sleep13460496-21find00:25:201
3453437230,2sleep13453638-21ntpq00:10:151
3413336230,1sleep03413492-21ntp_states22:35:160
3412146230,0sleep20-21swapper/222:32:112
3404366230,1sleep03404392-21apt-get22:15:120
3329176231,1sleep00-21swapper/019:05:190
3460798220,1sleep20-21swapper/200:25:452
3458126220,1sleep23458232-21/usr/sbin/munin00:20:172
3440190220,1sleep13440365-21sort23:40:131
3437349220,1sleep00-21swapper/023:31:160
3430751220,1sleep03430754-21sh23:15:430
3428825220,1sleep00-21swapper/023:12:080
3428777220,2sleep1766-21snmpd23:11:411
3423164220,1sleep23423251-21telnet23:00:122
3422623220,1sleep10-21swapper/122:57:401
3410667220,0sleep00-21swapper/022:30:130
3403863220,0sleep00-21swapper/022:12:470
3402035220,1sleep20-21swapper/222:10:012
3399487220,1sleep00-21swapper/022:00:500
3396804220,0sleep00-21swapper/021:55:180
3396452220,1sleep13396522-21if_eno121:55:151
3389705220,1sleep03389952-21diskstats21:40:140
3386449220,1sleep00-21swapper/021:30:200
3356073220,1sleep23356344-21df_inode20:15:152
3355618220,0sleep00-21swapper/020:14:200
3344433220,1sleep00-21swapper/019:45:100
3463803210,0sleep00-21swapper/000:35:170
3463617210,0sleep20-21swapper/200:35:142
3463360210,0sleep10-21swapper/100:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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