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2026-09-18 - 00:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Thu Sep 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3503931994745,1cyclictest3702697-21lspci10:20:213
350393199282,21cyclictest3580768-21apt-get08:25:113
350393199262,21cyclictest3677867-21apt-get10:00:123
350393199261,22cyclictest0-21swapper/308:35:133
350393199261,21cyclictest0-21swapper/310:30:133
350392399261,21cyclictest3740058-21apt-get11:00:101
3503931992520,3cyclictest3729779-21apt-get10:50:123
350393199251,22cyclictest3786094-21cron11:45:003
350393199251,21cyclictest0-21swapper/309:10:123
350393199251,20cyclictest0-21swapper/310:55:113
350393199250,21cyclictest0-21swapper/311:05:133
350393199250,21cyclictest0-21swapper/308:00:093
350392699252,20cyclictest3734877-21apt-get10:55:112
3503926992521,2cyclictest3729779-21apt-get10:50:142
350392399252,2cyclictest3626696-21apt-get09:10:121
3503923992521,2cyclictest3791441-21apt-get11:50:121
3503931992419,3cyclictest0-21swapper/309:55:113
350393199241,3cyclictest3530508-21cut07:35:163
350393199241,3cyclictest0-21swapper/312:15:133
350393199241,21cyclictest3801555-21apt-get12:00:123
350393199241,21cyclictest3606465-21apt-get08:50:133
350393199241,21cyclictest0-21swapper/308:20:143
350393199241,20cyclictest3796484-21apt-get11:55:103
350393199241,20cyclictest0-21swapper/310:15:133
350393199241,20cyclictest0-21swapper/307:55:113
350393199240,23cyclictest3836795-21cron12:35:013
350393199240,21cyclictest0-21swapper/311:45:113
350393199240,20cyclictest0-21swapper/311:15:123
350392699241,20cyclictest0-21swapper/207:50:102
350392699240,21cyclictest3550303-21apt-get07:55:122
350392399241,21cyclictest3620522-21ntpq09:00:211
350392399241,20cyclictest3781296-21apt-get11:40:111
350392399240,20cyclictest0-21swapper/109:25:101
3503931992320,2cyclictest0-21swapper/308:10:123
3503931992319,2cyclictest3600993-21apt-get08:45:123
3503931992319,2cyclictest0-21swapper/310:45:133
3503931992319,2cyclictest0-21swapper/308:05:113
3503931992318,3cyclictest3714531-21chrt10:35:143
350393199231,2cyclictest0-21swapper/308:15:123
350393199231,21cyclictest0-21swapper/311:12:523
350393199231,20cyclictest0-21swapper/307:15:113
350393199230,20cyclictest0-21swapper/310:40:103
350393199230,20cyclictest0-21swapper/308:40:123
3503926992320,1cyclictest3704292-21apt-get10:25:102
3503926992319,3cyclictest3724461-21idleruntime-cro10:44:592
350392699231,2cyclictest3749164-21ntpq11:05:232
350392699231,19cyclictest0-21swapper/210:00:122
350392699230,20cyclictest0-21swapper/211:00:112
350392699230,20cyclictest0-21swapper/210:20:112
3503923992319,2cyclictest3688051-21apt-get10:10:121
3503923992319,2cyclictest3667726-21apt-get09:50:111
350392399231,2cyclictest3821865-21apt-get12:20:111
350392399231,2cyclictest3657118-21apt-get09:40:121
350392399231,19cyclictest0-21swapper/108:40:121
350392399230,3cyclictest3801292-21cron12:00:001
350392399230,3cyclictest3714255-21cron10:35:001
350392399230,20cyclictest64-21kcompactd008:10:061
350392399230,20cyclictest0-21swapper/111:35:111
350392399230,19cyclictest0-21swapper/111:20:131
350392199232,20cyclictest3667256-21apt-get09:48:000
3503921992320,2cyclictest3766085-21apt-get11:25:100
3503921992320,2cyclictest3766085-21apt-get11:25:100
3503921992320,2cyclictest3545232-21apt-get07:50:100
350392199231,2cyclictest3600993-21apt-get08:45:120
350392199231,2cyclictest3595927-21apt-get08:40:130
350392199231,2cyclictest3575679-21apt-get08:20:130
350392199231,19cyclictest3611509-21apt-get08:55:100
350392199230,4cyclictest3530512-21ps07:35:160
350392199230,21cyclictest3519382-21apt-get07:25:110
3503931992219,2cyclictest3539905-21munin-run07:45:003
3503931992219,2cyclictest3524901-21apt-get07:30:113
3503931992219,2cyclictest0-21swapper/307:50:103
3503931992218,2cyclictest0-21swapper/311:25:113
3503931992218,2cyclictest0-21swapper/311:25:103
350393199221,1cyclictest0-21swapper/309:40:123
350393199221,1cyclictest0-21swapper/309:25:103
350393199220,21cyclictest64-21kcompactd009:53:513
350393199220,1cyclictest0-21swapper/307:25:113
3503926992219,2cyclictest3755182-21apt-get11:14:592
3503926992218,2cyclictest3504135-21apt-get07:10:112
350392699221,1cyclictest3826957-21apt-get12:25:132
350392699221,1cyclictest0-21swapper/210:15:132
350392699221,19cyclictest0-21swapper/208:20:132
350392699220,20cyclictest3791926-21ps11:50:162
350392699220,20cyclictest0-21swapper/211:45:112
350392699220,20cyclictest0-21swapper/210:30:132
350392699220,19cyclictest0-21swapper/212:30:112
350392699220,19cyclictest0-21swapper/208:35:122
3503923992220,1cyclictest0-21swapper/108:55:111
3503923992219,2cyclictest3594609-21/usr/sbin/munin08:35:201
3503923992218,2cyclictest3693102-21apt-get10:15:131
350392399221,20cyclictest0-21swapper/111:16:381
350392399220,21cyclictest3555113-21basename08:00:001
350392399220,19cyclictest0-21swapper/109:55:111
350392399220,19cyclictest0-21swapper/107:35:111
3503921992219,2cyclictest3636812-21apt-get09:20:110
3503921992219,2cyclictest3514290-21apt-get07:20:120
3503921992218,2cyclictest3641862-21apt-get09:25:100
350392199221,2cyclictest3777322-21systemd-journal08:05:010
350392199220,2cyclictest0-21swapper/010:10:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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