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2026-06-01 - 21:38
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot4.osadl.org (updated Mon Jun 01, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15444732228161,21sleep70-21swapper/707:07:277
15443772226162,19sleep30-21swapper/307:06:023
15446432224165,19sleep00-21swapper/007:09:530
15445242217159,19sleep20-21swapper/207:08:102
15443662217158,19sleep10-21swapper/107:05:521
15443882215156,18sleep50-21swapper/507:06:125
15445752214186,18sleep60-21swapper/607:08:556
15444052208177,20sleep40-21swapper/407:06:274
166350021450,0sleep50-21swapper/510:40:085
154486299380,35cyclictest290-21plymouthd07:15:013
154486299350,2cyclictest1640247-21910:00:013
154485799350,33cyclictest1565019-21basename07:45:011
154487399330,32cyclictest1547513-21cron07:15:017
1544869993326,6cyclictest0-21swapper/607:45:016
154486399330,1cyclictest290-21plymouthd12:05:094
1544857993326,6cyclictest1-21systemd12:10:011
1544873993228,3cyclictest1642970-21cron10:05:017
154486999320,28cyclictest0-21swapper/611:45:076
154486699320,4cyclictest290-21plymouthd11:40:015
154486399310,30cyclictest1-21systemd12:15:014
154485399310,0cyclictest0-21swapper/007:33:450
154485399310,0cyclictest0-21swapper/007:33:450
154487399300,29cyclictest1626309-21basename09:35:017
154486999300,1cyclictest1674095-21apt-get11:00:096
154486999300,0cyclictest0-21swapper/612:10:086
1544866993028,1cyclictest0-21swapper/507:40:015
154486699300,2cyclictest1657315-21taskset10:30:035
154486699300,29cyclictest290-21plymouthd11:20:015
154486699300,29cyclictest290-21plymouthd11:20:005
154486699300,29cyclictest1690336-21unix_chkpwd11:30:015
154486699300,29cyclictest1640628-21apt-get10:00:095
154486699300,29cyclictest1-21systemd09:20:025
154486699300,29cyclictest0-21swapper/508:10:005
154486399300,29cyclictest0-21swapper/407:35:094
154486299307,22cyclictest1595673-21908:40:023
1544862993028,1cyclictest1587705-21taskset08:25:093
1544859993027,2cyclictest1584532-21true08:20:012
1544857993028,2cyclictest0-21swapper/110:40:081
1544857993027,3cyclictest0-21swapper/107:35:091
154485399300,30cyclictest107-21kcompactd011:56:400
154485399300,30cyclictest0-21swapper/012:10:090
1544873992928,1cyclictest1643406-21apt-get10:05:077
154487399290,28cyclictest0-21swapper/712:00:087
154487399290,28cyclictest0-21swapper/711:46:597
154487399290,28cyclictest0-21swapper/708:25:107
154487399290,28cyclictest0-21swapper/708:10:097
154487399290,28cyclictest0-21swapper/708:05:127
154487399290,1cyclictest0-21swapper/709:25:007
1544869992928,1cyclictest0-21swapper/608:40:086
1544869992927,1cyclictest0-21swapper/608:45:116
1544869992923,5cyclictest1709813-21cron12:05:016
154486999290,28cyclictest0-21swapper/612:05:106
154486999290,28cyclictest0-21swapper/611:10:256
154486999290,28cyclictest0-21swapper/611:10:256
154486999290,28cyclictest0-21swapper/608:15:106
154486999290,1cyclictest0-21swapper/610:40:086
154486999290,1cyclictest0-21swapper/607:35:016
154486999290,1cyclictest0-21swapper/607:35:016
154486699290,28cyclictest1724174-21apt-get12:30:085
154486699290,28cyclictest1660136-21apt-get10:35:105
154486699290,28cyclictest0-21swapper/510:10:065
154486699290,1cyclictest1579348-21apt-get08:10:095
154486699290,1cyclictest0-21swapper/507:55:095
1544863992928,1cyclictest0-21swapper/408:25:014
1544863992925,3cyclictest0-21swapper/407:45:014
154486399290,29cyclictest0-21swapper/411:48:364
154486399290,28cyclictest107-21kcompactd010:47:494
154486399290,28cyclictest0-21swapper/411:10:094
154486399290,28cyclictest0-21swapper/411:10:094
154486399290,28cyclictest0-21swapper/411:05:094
154486399290,28cyclictest0-21swapper/410:40:084
154486399290,27cyclictest0-21swapper/407:27:504
154486299290,28cyclictest0-21swapper/312:28:233
154486299290,28cyclictest0-21swapper/311:10:093
154486299290,28cyclictest0-21swapper/311:10:093
154486299290,28cyclictest0-21swapper/310:11:483
154486299290,28cyclictest0-21swapper/310:08:343
154486299290,28cyclictest0-21swapper/309:39:333
154486299290,28cyclictest0-21swapper/309:00:093
154486299290,28cyclictest0-21swapper/307:15:103
1544859992927,1cyclictest0-21swapper/208:25:082
154485999290,29cyclictest0-21swapper/209:25:012
154485999290,28cyclictest0-21swapper/212:35:092
154485999290,28cyclictest0-21swapper/211:40:082
154485999290,28cyclictest0-21swapper/210:50:012
154485999290,28cyclictest0-21swapper/210:35:102
154485999290,28cyclictest0-21swapper/210:05:212
154485999290,28cyclictest0-21swapper/209:25:102
1544857992927,1cyclictest0-21swapper/111:40:081
1544857992926,3cyclictest0-21swapper/112:10:081
1544857992925,4cyclictest1709812-21cron12:05:011
154485799290,29cyclictest0-21swapper/111:39:271
154485799290,28cyclictest1601610-21apt-get08:50:081
154485799290,28cyclictest0-21swapper/111:15:091
154485799290,28cyclictest0-21swapper/111:15:091
154485799290,28cyclictest0-21swapper/110:50:091
1544853992928,1cyclictest141331-21kworker/0:0+events08:45:110
1544853992928,1cyclictest0-21swapper/011:10:090
1544853992928,1cyclictest0-21swapper/011:10:080
1544853992927,2cyclictest0-21swapper/012:21:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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