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2026-05-16 - 00:25
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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 Fri May 15, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3296222991311,1cyclictest0-21swapper/311:45:123
329622299130,11cyclictest0-21swapper/311:05:113
329622299129,1cyclictest0-21swapper/308:35:113
329622299120,11cyclictest0-21swapper/312:35:013
329622299120,11cyclictest0-21swapper/311:11:513
329622299120,11cyclictest0-21swapper/309:40:013
329622299120,11cyclictest0-21swapper/309:00:123
329622299119,1cyclictest0-21swapper/311:15:123
329622299119,0cyclictest0-21swapper/310:05:123
3296222991111,0cyclictest0-21swapper/307:50:173
3296222991110,0cyclictest0-21swapper/308:40:123
329622299110,9cyclictest0-21swapper/310:10:123
329622299110,10cyclictest0-21swapper/309:35:003
329622299110,10cyclictest0-21swapper/308:55:113
329622299110,10cyclictest0-21swapper/308:11:533
329622299110,10cyclictest0-21swapper/307:30:133
329622299110,10cyclictest0-21swapper/307:25:193
329622299110,0cyclictest0-21swapper/310:50:103
329622299110,0cyclictest0-21swapper/309:10:113
329622299110,0cyclictest0-21swapper/309:05:123
329622299109,0cyclictest0-21swapper/312:18:433
329622299109,0cyclictest0-21swapper/308:20:113
3296222991010,0cyclictest0-21swapper/312:05:193
3296222991010,0cyclictest0-21swapper/310:35:123
329622299100,9cyclictest0-21swapper/310:25:173
329622299100,0cyclictest0-21swapper/312:10:173
329622299100,0cyclictest0-21swapper/310:00:193
329622299100,0cyclictest0-21swapper/307:35:173
32962229999,0cyclictest0-21swapper/312:35:093
32962229999,0cyclictest0-21swapper/312:25:113
32962229999,0cyclictest0-21swapper/311:37:483
32962229999,0cyclictest0-21swapper/311:05:013
32962229999,0cyclictest0-21swapper/310:45:153
32962229999,0cyclictest0-21swapper/308:25:123
32962229999,0cyclictest0-21swapper/308:15:183
32962229999,0cyclictest0-21swapper/308:00:163
32962229999,0cyclictest0-21swapper/307:55:113
32962229999,0cyclictest0-21swapper/307:45:113
32962229990,8cyclictest0-21swapper/309:45:173
32962229990,8cyclictest0-21swapper/308:50:013
32962229990,8cyclictest0-21swapper/307:40:163
32962229990,0cyclictest0-21swapper/309:20:203
32962229988,0cyclictest0-21swapper/312:20:133
32962229988,0cyclictest0-21swapper/311:50:183
32962229988,0cyclictest0-21swapper/311:41:243
32962229988,0cyclictest0-21swapper/311:30:183
32962229988,0cyclictest0-21swapper/310:55:133
32962229988,0cyclictest0-21swapper/310:30:563
32962229988,0cyclictest0-21swapper/310:23:443
32962229987,0cyclictest0-21swapper/311:25:163
32962229987,0cyclictest0-21swapper/309:55:143
32962229987,0cyclictest0-21swapper/308:30:173
32962229977,0cyclictest0-21swapper/312:03:303
32962229977,0cyclictest0-21swapper/310:15:253
32962229977,0cyclictest0-21swapper/308:50:183
32962229977,0cyclictest0-21swapper/307:10:133
32962229976,0cyclictest0-21swapper/309:55:013
32962229976,0cyclictest0-21swapper/309:15:123
3296066271,3sleep30-21swapper/307:09:553
32962229966,0cyclictest0-21swapper/310:40:173
32962229966,0cyclictest0-21swapper/307:15:173
32962229960,0cyclictest0-21swapper/308:10:003
32962229955,0cyclictest0-21swapper/311:55:173
32962229955,0cyclictest0-21swapper/307:20:463
32962229954,0cyclictest0-21swapper/309:25:113
32962229950,3cyclictest3356139-21taskset09:40:113
3415417240,1sleep23415443-21apt-get12:00:122
32962229944,0cyclictest0-21swapper/311:20:113
3295814242,1sleep20-21swapper/207:06:412
3295418241,1sleep00-21swapper/007:05:190
3295026241,1sleep10-21swapper/107:05:161
3429556230,2sleep23429558-21sshd12:30:542
3395728230,1sleep13395727-21unattended-upgr11:11:521
3385586230,1sleep13385612-21apt-get10:50:101
3349547230,1sleep13349556-21apt-get09:25:021
3326245230,2sleep03326410-21cat08:25:010
3427939220,1sleep13428009-21date12:30:001
3426726220,1sleep03426876-21ntp_states12:25:150
3421595220,0sleep00-21swapper/012:14:220
3412797220,0sleep00-21swapper/011:52:420
3402624221,0sleep03402650-21apt-get11:30:120
3398455220,1sleep03398470-21basename11:20:110
3398118220,1sleep23398122-21ssh11:19:292
3384930220,0sleep00-21swapper/010:46:260
3353797220,1sleep03353813-21munin-run09:35:000
3348265220,1sleep13348401-21memory09:20:161
3346184220,1sleep03346266-21irqstats09:15:160
3345751220,1sleep13345803-21aten_r1power_cu09:15:121
3331088220,1sleep03331244-21cut08:35:180
3322767220,1sleep23322930-21cpuspeed_turbos08:15:142
3320636220,1sleep03320901-21diskstats08:10:110
3318053220,1sleep10-21swapper/108:05:001
3311482220,1sleep00-21swapper/007:45:180
3307727220,1sleep23307977-21users07:35:202
3430708210,0sleep10-21swapper/112:35:131
3430458210,0sleep00-21swapper/012:35:130
3430272210,0sleep20-21swapper/212:35:102
3428376210,0sleep10-21swapper/112:30:131
3425857210,0sleep20-21swapper/212:25:012
3425336210,0sleep10-21swapper/112:20:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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