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2026-05-24 - 04:29
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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 May 24, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4134720993070,306cyclictest610572sleep300:03:123
413472099130,12cyclictest0-21swapper/322:15:133
413472099130,12cyclictest0-21swapper/321:30:113
4134720991211,0cyclictest0-21swapper/322:00:143
413472099120,11cyclictest0-21swapper/323:40:013
413472099120,11cyclictest0-21swapper/319:35:123
413472099119,1cyclictest0-21swapper/321:50:113
4134720991111,0cyclictest0-21swapper/321:14:563
4134720991110,0cyclictest0-21swapper/320:20:203
4134720991110,0cyclictest0-21swapper/319:55:193
4134720991110,0cyclictest0-21swapper/319:25:123
413472099110,9cyclictest0-21swapper/323:55:123
413472099110,9cyclictest0-21swapper/321:00:003
413472099110,10cyclictest0-21swapper/321:45:223
413472099110,10cyclictest0-21swapper/321:05:143
413472099110,10cyclictest0-21swapper/319:15:183
413472099110,0cyclictest0-21swapper/323:30:143
413472099110,0cyclictest0-21swapper/321:40:163
413472099110,0cyclictest0-21swapper/300:25:123
413472099110,0cyclictest0-21swapper/300:15:013
413472099110,0cyclictest0-21swapper/300:05:123
413472099109,0cyclictest0-21swapper/323:10:483
413472099109,0cyclictest0-21swapper/322:10:013
413472099109,0cyclictest0-21swapper/320:00:123
413472099109,0cyclictest0-21swapper/319:20:113
4134720991010,0cyclictest0-21swapper/323:15:143
4134720991010,0cyclictest0-21swapper/322:50:173
4134720991010,0cyclictest0-21swapper/319:45:183
413472099100,9cyclictest0-21swapper/320:50:173
413472099100,9cyclictest0-21swapper/320:45:173
413472099100,0cyclictest0-21swapper/323:50:013
413472099100,0cyclictest0-21swapper/319:30:163
413472099100,0cyclictest0-21swapper/300:35:143
413472099100,0cyclictest0-21swapper/300:10:133
41347209999,0cyclictest0-21swapper/321:20:133
41347209999,0cyclictest0-21swapper/321:00:113
41347209999,0cyclictest0-21swapper/320:20:003
41347209998,0cyclictest0-21swapper/300:20:193
41347209997,1cyclictest0-21swapper/322:50:013
41347209990,8cyclictest0-21swapper/323:05:163
41347209990,8cyclictest0-21swapper/322:00:013
41347209990,8cyclictest0-21swapper/300:30:133
41347209988,0cyclictest0-21swapper/323:00:003
41347209988,0cyclictest0-21swapper/321:35:123
41347209986,0cyclictest0-21swapper/319:40:133
41347209977,0cyclictest0-21swapper/323:50:183
41347209977,0cyclictest0-21swapper/320:40:183
41347209977,0cyclictest0-21swapper/320:30:113
41347209977,0cyclictest0-21swapper/320:25:173
41347209977,0cyclictest0-21swapper/319:50:143
41347209977,0cyclictest0-21swapper/319:10:163
41347209976,1cyclictest0-21swapper/321:15:133
4133360271,4sleep30-21swapper/319:05:153
41347209966,0cyclictest0-21swapper/323:23:063
41347209966,0cyclictest0-21swapper/322:35:123
41347209965,0cyclictest0-21swapper/322:10:183
41347209960,5cyclictest0-21swapper/321:30:013
41347209960,5cyclictest0-21swapper/320:40:003
41347209955,0cyclictest0-21swapper/322:40:113
41347209955,0cyclictest0-21swapper/320:10:333
41347209955,0cyclictest0-21swapper/320:05:183
41347209954,0cyclictest0-21swapper/323:00:173
41347209950,4cyclictest0-21swapper/322:20:133
4142086241,2sleep24142381-21grep19:25:192
4140864240,3sleep04140878-21/usr/sbin/munin19:25:010
41347209944,0cyclictest0-21swapper/323:40:193
41347209943,0cyclictest0-21swapper/323:25:153
41347209943,0cyclictest0-21swapper/322:30:133
41347209940,3cyclictest19470-21chrt22:25:023
4134586242,1sleep10-21swapper/119:09:571
64988230,1sleep10-21swapper/100:11:081
61749230,1sleep061951-21diskstats00:05:140
54993230,2sleep055097-21aten_r1power_po23:50:130
4188241230,1sleep04188267-21apt-get21:25:120
4184796230,1sleep24184945-21ntp_states21:15:182
4172688230,1sleep04172984-21df20:45:150
4150445230,1sleep24150459-21apt-get19:50:002
4143816230,2sleep04143987-21sensors_temp19:30:170
4132929230,2sleep04132975-21cut19:05:120
4132681230,1sleep20-21swapper/219:05:012
36181230,1sleep136211-21apt-get23:05:121
26624230,2sleep126767-21switchtime22:40:181
70795220,0sleep00-21swapper/000:25:200
68575220,0sleep00-21swapper/000:20:190
63340220,1sleep263346-21latency_hist00:10:012
59133220,1sleep259136-40updatedb.mlocat00:00:002
48703220,1sleep048729-21apt-get23:35:120
48447220,1sleep148522-21date23:35:011
44670220,0sleep20-21swapper/223:25:142
4161056220,1sleep24161126-21cut20:15:142
4148535220,1sleep24148643-21cat19:45:002
4137205220,0sleep20-21swapper/219:15:022
4136555220,1sleep10-21swapper/119:15:011
34103220,1sleep234129-21apt-get23:00:122
32905220,2sleep20-21swapper/222:55:202
27270220,0sleep00-21swapper/022:42:130
2276220,0sleep00-21swapper/021:44:570
11302220,1sleep111347-21idleruntime22:05:161
9573210,0sleep10-21swapper/122:00:191
74469210,0sleep10-21swapper/100:35:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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