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2026-06-20 - 05:12
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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 Sat Jun 20, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3266936991413,0cyclictest0-21swapper/320:15:133
3266936991410,2cyclictest0-21swapper/300:10:133
326693699130,11cyclictest0-21swapper/323:35:123
326693699130,11cyclictest0-21swapper/320:45:123
326693699120,11cyclictest0-21swapper/323:45:013
326693699120,11cyclictest0-21swapper/321:25:003
326693699119,1cyclictest0-21swapper/322:20:123
3266936991110,0cyclictest0-21swapper/323:55:133
3266936991110,0cyclictest0-21swapper/323:45:123
3266936991110,0cyclictest0-21swapper/321:05:123
3266936991110,0cyclictest0-21swapper/319:20:123
326693699110,11cyclictest0-21swapper/323:00:193
326693699110,10cyclictest0-21swapper/322:25:123
326693699110,10cyclictest0-21swapper/322:00:163
326693699110,10cyclictest0-21swapper/321:50:123
326693699110,10cyclictest0-21swapper/321:35:173
326693699110,0cyclictest0-21swapper/321:25:093
326693699109,1cyclictest0-21swapper/320:05:013
326693699109,0cyclictest0-21swapper/323:30:173
326693699109,0cyclictest0-21swapper/323:10:133
326693699109,0cyclictest0-21swapper/322:40:113
326693699109,0cyclictest0-21swapper/320:20:123
3266936991010,0cyclictest0-21swapper/321:10:123
3266936991010,0cyclictest0-21swapper/320:35:183
3266936991010,0cyclictest0-21swapper/319:55:013
3266936991010,0cyclictest0-21swapper/319:30:123
3266936991010,0cyclictest0-21swapper/319:25:123
3266936991010,0cyclictest0-21swapper/300:05:013
326693699100,9cyclictest0-21swapper/322:54:563
326693699100,9cyclictest0-21swapper/321:45:003
326693699100,9cyclictest0-21swapper/300:30:173
326693699100,8cyclictest0-21swapper/323:15:103
326693699100,0cyclictest0-21swapper/320:55:133
326693699100,0cyclictest0-21swapper/320:15:013
326693699100,0cyclictest0-21swapper/319:35:103
326693699100,0cyclictest0-21swapper/300:24:563
32669369999,0cyclictest0-21swapper/323:05:193
32669369999,0cyclictest0-21swapper/322:59:313
32669369999,0cyclictest0-21swapper/321:15:123
32669369998,0cyclictest0-21swapper/323:50:113
32669369998,0cyclictest0-21swapper/300:25:123
32669369990,8cyclictest0-21swapper/319:15:183
32669369988,0cyclictest0-21swapper/323:29:563
32669369988,0cyclictest0-21swapper/300:18:353
32669369988,0cyclictest0-21swapper/300:06:533
32669369980,8cyclictest0-21swapper/322:15:173
32669369980,7cyclictest0-21swapper/320:25:123
32669369980,7cyclictest0-21swapper/319:10:173
3265111281,5sleep30-21swapper/319:05:113
32669369977,0cyclictest0-21swapper/322:45:123
32669369976,0cyclictest0-21swapper/322:10:193
32669369976,0cyclictest0-21swapper/320:45:013
32669369970,6cyclictest0-21swapper/323:25:013
32669369966,0cyclictest0-21swapper/321:48:143
32669369966,0cyclictest0-21swapper/321:00:183
32669369966,0cyclictest0-21swapper/319:55:183
32669369966,0cyclictest0-21swapper/300:40:013
32669369965,0cyclictest0-21swapper/320:30:123
32669369961,4cyclictest0-21swapper/320:50:143
32669369960,5cyclictest32895892chrt20:05:173
32669369960,5cyclictest0-21swapper/321:55:163
32669369955,0cyclictest0-21swapper/322:30:093
32669369955,0cyclictest0-21swapper/319:45:193
32669369955,0cyclictest0-21swapper/319:40:183
32669369954,0cyclictest0-21swapper/322:05:143
32669369950,4cyclictest0-21swapper/322:35:113
3265183251,2sleep00-21swapper/019:05:120
3349471240,2sleep13349497-21apt-get22:35:111
3336706240,3sleep13336817-21sed22:05:011
3277115240,2sleep03277141-21apt-get19:35:100
32669369940,3cyclictest0-21swapper/321:30:133
3266529242,1sleep20-21swapper/219:06:502
3266481242,1sleep10-21swapper/119:06:131
3322119230,1sleep13322146-21apt-get21:30:101
3318115230,1sleep20-21swapper/221:20:112
3315567230,2sleep13315848-21apt-key21:15:011
3313403232,1sleep03294198-21kworker/0:0+events21:08:120
3311882230,2sleep13311966-21aten_r1power_en21:05:131
3399911220,0sleep00-21swapper/000:35:120
3389415220,1sleep13389441-21apt-get00:10:131
3387496220,1sleep03387760-21df_inode00:05:150
3386813220,1sleep20-21swapper/200:05:012
3381427220,1sleep23381566-21ntpq23:50:162
3372187220,1sleep03372283-21latency_hist23:30:010
3366301220,1sleep03366588-21df23:15:110
3365390220,0sleep00-21swapper/023:10:200
3356816220,1sleep03357033-21users22:50:190
3341851220,0sleep00-21swapper/022:15:160
3339525220,1sleep03339661-21memory22:10:160
3330428220,1sleep20-21swapper/221:50:132
3325203220,0sleep10-21swapper/121:35:191
3322149220,1sleep23322246-21cut21:30:112
3319419220,0sleep00-21swapper/021:20:210
3309703220,1sleep20-21swapper/221:00:012
3304342220,1sleep03304638-21df20:45:150
3300079221,1sleep03294198-21kworker/0:0+events20:34:220
3294504220,1sleep13294799-21df20:20:131
3281577220,1sleep13281731-21ntp_states19:45:161
3281440220,0sleep00-21swapper/019:45:150
3280713220,1sleep23280903-21sed19:45:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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