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2026-04-19 - 10:45
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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 Apr 19, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
405214199147,5cyclictest0-21swapper/322:25:123
405214199139,1cyclictest0-21swapper/320:25:123
405214199130,1cyclictest0-21swapper/300:35:123
405214199120,1cyclictest0-21swapper/320:15:113
405214199120,11cyclictest0-21swapper/323:45:163
405214199120,11cyclictest0-21swapper/323:20:193
405214199120,11cyclictest0-21swapper/321:30:183
405214199120,0cyclictest0-21swapper/300:25:143
4052141991111,0cyclictest0-21swapper/319:25:123
4052141991110,0cyclictest0-21swapper/321:55:123
4052141991110,0cyclictest0-21swapper/319:25:013
4052141991110,0cyclictest0-21swapper/319:10:013
405214199110,8cyclictest0-21swapper/321:15:183
405214199110,8cyclictest0-21swapper/319:10:163
405214199110,8cyclictest0-21swapper/319:10:163
405214199110,10cyclictest0-21swapper/323:30:123
405214199110,10cyclictest0-21swapper/322:15:173
405214199110,0cyclictest0-21swapper/323:55:013
405214199110,0cyclictest0-21swapper/321:25:013
405214199110,0cyclictest0-21swapper/300:05:123
405214199109,0cyclictest0-21swapper/300:24:033
405214199108,1cyclictest0-21swapper/320:20:103
4052141991010,0cyclictest0-21swapper/323:10:133
4052141991010,0cyclictest0-21swapper/323:00:013
4052141991010,0cyclictest0-21swapper/322:35:013
4052141991010,0cyclictest0-21swapper/321:40:213
405214199100,0cyclictest0-21swapper/323:40:003
405214199100,0cyclictest0-21swapper/320:34:593
405214199100,0cyclictest0-21swapper/320:05:133
405214199100,0cyclictest0-21swapper/319:15:013
405214199100,0cyclictest0-21swapper/319:15:003
405214199100,0cyclictest0-21swapper/300:30:133
40521419999,0cyclictest0-21swapper/322:35:133
40521419999,0cyclictest0-21swapper/322:20:133
40521419999,0cyclictest0-21swapper/321:50:123
40521419999,0cyclictest0-21swapper/319:35:173
40521419998,1cyclictest0-21swapper/323:05:123
40521419998,0cyclictest0-21swapper/322:05:173
40521419998,0cyclictest0-21swapper/321:40:003
40521419998,0cyclictest0-21swapper/321:25:173
40521419998,0cyclictest0-21swapper/321:05:143
40521419998,0cyclictest0-21swapper/319:55:113
40521419990,8cyclictest0-21swapper/322:45:173
40521419990,8cyclictest0-21swapper/321:04:553
40521419990,8cyclictest0-21swapper/320:50:003
40521419990,0cyclictest0-21swapper/319:50:113
40521419988,0cyclictest0-21swapper/323:55:143
40521419988,0cyclictest0-21swapper/320:40:113
40521419987,0cyclictest0-21swapper/323:00:133
40521419980,7cyclictest0-21swapper/320:00:203
40521419980,0cyclictest0-21swapper/320:55:193
40521419977,0cyclictest0-21swapper/322:50:123
40521419977,0cyclictest0-21swapper/321:45:173
40521419976,0cyclictest0-21swapper/300:00:133
40521419970,7cyclictest0-21swapper/320:40:003
40521419966,0cyclictest0-21swapper/323:15:123
40521419966,0cyclictest0-21swapper/321:12:223
40521419964,2cyclictest0-21swapper/322:10:113
40521419960,6cyclictest0-21swapper/323:40:013
4051580261,1sleep00-21swapper/019:06:430
40521419955,0cyclictest0-21swapper/319:40:183
40521419954,0cyclictest0-21swapper/300:10:153
40521419950,5cyclictest0-21swapper/320:10:183
40521419950,4cyclictest0-21swapper/319:45:183
40521419950,0cyclictest0-21swapper/322:45:013
40521419950,0cyclictest0-21swapper/319:30:153
40521419943,0cyclictest0-21swapper/322:00:133
40521419940,3cyclictest4178995-21chrt00:16:113
40521419940,3cyclictest4157764-21chrt23:25:213
40521419940,2cyclictest0-21swapper/320:50:123
4051780242,1sleep10-21swapper/119:09:161
4051620242,1sleep20-21swapper/219:07:132
4068467230,1sleep24068493-21apt-get19:50:112
4179330220,0sleep10-21swapper/100:19:111
4177586220,0sleep00-21swapper/000:15:060
4171353220,1sleep04171379-21apt-get00:00:130
4151682220,1sleep00-21swapper/023:12:020
4148299220,1sleep14148546-21diskstats23:05:141
4146782220,1sleep24146897-21ps23:00:192
4141678220,1sleep04141950-21cpuspeed_turbos22:50:120
4139252220,0sleep10-21swapper/122:45:011
4135947220,1sleep20-21swapper/222:35:182
4135789220,1sleep14135946-21memory22:35:171
4130905220,1sleep24130926-21perf22:25:012
4130423220,0sleep10-21swapper/122:20:441
4127707220,1sleep04127779-21grep22:15:180
4122237220,1sleep00-21swapper/022:02:090
4114472220,1sleep00-21swapper/021:45:120
4109753220,2sleep14109755-21ssh21:32:291
4100152220,1sleep24100286-21ls21:10:152
4087374220,1sleep04087434-21apt-config20:40:000
4070131220,1sleep00-21swapper/019:55:020
4068622220,1sleep04068895-21df_inode19:50:130
4059508220,1sleep14059662-21/usr/sbin/munin19:25:171
4186377210,0sleep00-21swapper/000:35:150
4185935210,0sleep10-21swapper/100:35:081
4185689210,0sleep20-21swapper/200:35:012
4185229210,0sleep10-21swapper/100:30:561
4184911210,0sleep20-21swapper/200:30:202
4183971210,0sleep00-21swapper/000:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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