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2026-06-02 - 19:13
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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 Tue Jun 02, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43508799141,12cyclictest0-21swapper/310:00:133
43508799140,12cyclictest0-21swapper/311:15:133
43508799130,12cyclictest0-21swapper/309:30:123
43508799120,11cyclictest0-21swapper/312:25:153
43508799120,11cyclictest0-21swapper/307:30:123
43508799120,11cyclictest0-21swapper/307:20:123
435087991110,0cyclictest0-21swapper/311:30:133
435087991110,0cyclictest0-21swapper/310:20:133
43508799110,10cyclictest0-21swapper/312:35:193
43508799110,10cyclictest0-21swapper/309:40:163
43508799110,10cyclictest0-21swapper/308:10:163
43508799110,0cyclictest0-21swapper/312:30:143
43508799110,0cyclictest0-21swapper/309:05:003
43508799110,0cyclictest0-21swapper/308:30:173
43508799110,0cyclictest0-21swapper/308:00:123
43508799110,0cyclictest0-21swapper/307:55:003
43508799109,0cyclictest0-21swapper/307:15:103
435087991010,0cyclictest0-21swapper/312:20:193
435087991010,0cyclictest0-21swapper/311:10:173
435087991010,0cyclictest0-21swapper/310:55:123
435087991010,0cyclictest0-21swapper/310:50:153
435087991010,0cyclictest0-21swapper/310:10:183
435087991010,0cyclictest0-21swapper/307:15:013
43508799100,9cyclictest0-21swapper/307:40:173
43508799100,0cyclictest0-21swapper/312:10:193
43508799100,0cyclictest0-21swapper/308:25:203
43508799100,0cyclictest0-21swapper/308:15:193
4350879999,0cyclictest0-21swapper/311:59:563
4350879999,0cyclictest0-21swapper/310:45:193
4350879999,0cyclictest0-21swapper/310:15:133
4350879999,0cyclictest0-21swapper/310:15:123
4350879999,0cyclictest0-21swapper/308:35:123
4350879996,1cyclictest0-21swapper/308:50:133
4350879990,9cyclictest0-21swapper/309:35:183
4350879990,8cyclictest0-21swapper/309:55:163
4350879990,8cyclictest0-21swapper/309:25:153
4350879990,8cyclictest0-21swapper/307:40:013
4350879990,0cyclictest0-21swapper/308:40:383
4350879988,0cyclictest0-21swapper/312:15:123
4350879988,0cyclictest0-21swapper/311:40:193
4350879988,0cyclictest0-21swapper/309:05:153
4350879988,0cyclictest0-21swapper/308:45:123
4350879980,7cyclictest0-21swapper/311:50:013
434030281,4sleep30-21swapper/307:05:173
4350879977,0cyclictest0-21swapper/312:00:183
4350879977,0cyclictest0-21swapper/311:38:273
4350879977,0cyclictest0-21swapper/311:10:013
4350879977,0cyclictest0-21swapper/310:35:163
4350879977,0cyclictest0-21swapper/310:08:243
4350879977,0cyclictest0-21swapper/308:20:093
4350879976,0cyclictest0-21swapper/309:45:163
4350879975,1cyclictest0-21swapper/312:05:123
4350879975,1cyclictest0-21swapper/310:40:113
4350879970,7cyclictest0-21swapper/309:25:013
4350879966,0cyclictest0-21swapper/311:50:143
4350879966,0cyclictest0-21swapper/310:30:013
4350879966,0cyclictest0-21swapper/309:20:003
4350879966,0cyclictest0-21swapper/309:10:123
4350879966,0cyclictest0-21swapper/308:10:003
4350879966,0cyclictest0-21swapper/307:55:123
4350879960,6cyclictest0-21swapper/309:50:143
4350879960,3cyclictest0-21swapper/308:55:143
433742260,4sleep1433822-21kernelversion07:05:141
4350879955,0cyclictest0-21swapper/310:25:163
4350879955,0cyclictest0-21swapper/307:29:273
433823250,2sleep2434029-21awk07:05:162
516261240,3sleep1516441-21awk10:30:151
4350879943,0cyclictest0-21swapper/311:20:133
4350879940,3cyclictest449503-21chrt07:45:073
4350879940,2cyclictest0-21swapper/311:00:123
4350879940,0cyclictest0-21swapper/311:26:093
434096240,3sleep0434234-21/usr/sbin/munin07:05:170
555610230,2sleep0241rcuc/012:05:010
500102230,2sleep0500106-21ssh09:51:050
488868231,0sleep2191rcu_preempt09:25:162
474418230,1sleep00-21swapper/008:50:120
438253230,2sleep1438410-21ntpq07:15:151
570151220,0sleep00-21swapper/012:39:020
560511220,1sleep1560597-21irqstats12:15:141
555107220,2sleep20-21swapper/212:00:302
547651220,1sleep2547940-21df11:45:142
524033220,1sleep1524059-21apt-get10:50:131
520313220,1sleep0520441-21latency10:40:160
510187220,1sleep1510337-21tr10:15:191
510187220,1sleep1510337-21tr10:15:181
510032220,1sleep0510186-21ntp_states10:15:180
510032220,1sleep0510186-21ntp_states10:15:170
503229220,1sleep10-21swapper/110:00:141
502227220,1sleep00-21swapper/009:56:280
498467220,1sleep1498472-21sh09:50:021
497105220,1sleep0497257-21memory09:45:150
464839220,1sleep20-21swapper/208:25:132
569602210,0sleep20-21swapper/212:35:212
568862210,0sleep10-21swapper/112:35:151
567869210,0sleep10-21swapper/112:32:151
566799210,0sleep00-21swapper/012:30:180
566446210,0sleep20-21swapper/212:30:162
566074210,0sleep20-21swapper/212:29:532
564294210,0sleep10-21swapper/112:25:111
564261210,0sleep00-21swapper/012:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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