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2026-08-25 - 20:31
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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 Tue Aug 25, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76452993128,2cyclictest0-21swapper/007:40:000
7646499292,23cyclictest168825-21apt-get08:40:113
76461992826,1cyclictest0-21swapper/211:30:002
7646499271,22cyclictest357178-21apt-get11:45:123
7646199272,21cyclictest245321-21apt-get09:55:122
7646199262,21cyclictest347019-21apt-get11:35:122
7646199261,21cyclictest97707-21apt-get07:30:122
7645699261,21cyclictest367362-21apt-get11:55:111
76464992520,3cyclictest225023-21apt-get09:35:113
7646499251,21cyclictest0-21swapper/311:30:113
7646499251,20cyclictest230093-21apt-get09:40:133
76461992521,2cyclictest306069-21apt-get10:55:122
7645699252,3cyclictest153529-21apt-get08:25:121
7645699252,22cyclictest106744-21ntpq07:35:211
7645699252,21cyclictest316201-21apt-get11:05:131
7645699251,23cyclictest92367-21idleruntime-cro07:25:001
76452992520,3cyclictest82075-21apt-get07:15:120
76464992421,2cyclictest275462-21ls10:25:013
76464992419,3cyclictest184176-21/usr/sbin/munin08:55:133
7646499241,21cyclictest189089-21apt-get09:00:133
7646499241,21cyclictest132935-21sh08:05:003
7646499241,21cyclictest107598-21cron07:40:003
7646499241,20cyclictest178951-21apt-get08:50:123
7646499240,20cyclictest0-21swapper/310:40:133
76461992420,2cyclictest107869-21apt-get07:40:132
76461992418,4cyclictest362756-21ps11:50:172
76461992415,1cyclictest97450-21grep07:30:002
7646199241,21cyclictest244177-21ntpq09:50:222
7645699242,2cyclictest265573-21apt-get10:15:121
76456992419,3cyclictest341458-21sed11:30:001
7645699241,3cyclictest383089-21ps12:10:151
7645699241,3cyclictest367115-21idleruntime-cro11:55:011
7645699241,3cyclictest341926-21apt-get11:30:111
7645699241,3cyclictest240229-21apt-get09:50:131
7645699241,21cyclictest321270-21apt-get11:10:121
7645699241,21cyclictest117993-21apt-get07:50:121
7645699241,20cyclictest0-21swapper/108:40:111
7645699241,19cyclictest0-21swapper/107:55:131
7645699240,2cyclictest335294-21ntpq11:20:231
7645699240,22cyclictest163437-21cron08:35:001
76452992420,2cyclictest377503-21apt-get12:05:140
76464992319,2cyclictest408432-21apt-get12:35:133
76464992319,2cyclictest123549-21sed07:55:173
76464992318,3cyclictest392782-21apt-get12:20:133
7646499230,20cyclictest0-21swapper/311:00:143
7646499230,20cyclictest0-21swapper/309:55:113
7646499230,20cyclictest0-21swapper/309:15:113
7646499230,20cyclictest0-21swapper/309:05:133
7646499230,20cyclictest0-21swapper/308:45:123
7646499230,20cyclictest0-21swapper/307:10:153
7646499230,19cyclictest0-21swapper/310:30:103
7646199232,2cyclictest178675-21cron08:50:002
76461992316,5cyclictest0-21swapper/208:35:002
76456992319,2cyclictest301021-21apt-get10:50:141
76456992319,2cyclictest0-21swapper/111:00:141
7645699231,2cyclictest0-21swapper/107:10:151
7645699230,3cyclictest184508-21grep08:55:161
7645699230,21cyclictest352591-21cut11:40:161
7645699230,20cyclictest0-21swapper/110:30:101
7645299232,1cyclictest285861-21apt-get10:35:120
7645299232,1cyclictest285861-21apt-get10:35:110
76452992319,3cyclictest77003-21apt-get07:10:140
76452992319,2cyclictest280814-21apt-get10:30:100
76452992318,4cyclictest341276-21dpkg11:30:000
7645299231,20cyclictest128128-21apt-get08:00:090
76464992219,2cyclictest199250-21apt-get09:10:113
76464992219,1cyclictest112937-21apt-get07:45:123
76464992219,1cyclictest0-21swapper/307:40:143
76464992218,2cyclictest260527-21apt-get10:10:123
76464992218,2cyclictest0-21swapper/308:05:133
76464992218,2cyclictest0-21swapper/308:05:133
76464992216,4cyclictest122790-21cron07:55:003
7646499221,2cyclictest0-21swapper/309:20:123
7646499221,20cyclictest260258-21cron10:10:003
7646499221,1cyclictest0-21swapper/309:30:133
7646499220,21cyclictest280542-21ls10:30:003
7646499220,19cyclictest0-21swapper/311:20:133
7646499220,19cyclictest0-21swapper/310:35:113
7646499220,19cyclictest0-21swapper/310:35:103
76461992219,2cyclictest87069-21latency_hist07:20:002
7646199221,2cyclictest204321-21apt-get09:15:112
7646199220,19cyclictest0-21swapper/210:05:142
7646199220,19cyclictest0-21swapper/210:00:122
7646199220,19cyclictest0-21swapper/209:40:132
76456992219,1cyclictest0-21swapper/112:25:111
76456992219,1cyclictest0-21swapper/109:35:121
76456992216,5cyclictest250394-21chrt10:00:121
76456992215,5cyclictest93123-21ps07:25:161
7645699221,2cyclictest0-21swapper/108:00:101
7645699221,20cyclictest234046-21ntpq09:40:231
7645699220,2cyclictest301rcuc/109:20:001
7645699220,2cyclictest133694-21tr08:05:171
7645699220,2cyclictest133694-21tr08:05:171
7645699220,2cyclictest0-21swapper/110:05:141
7645699220,2cyclictest0-21swapper/109:55:111
7645699220,2cyclictest0-21swapper/107:30:121
7645699220,20cyclictest86891-21munin-run07:20:001
7645699220,20cyclictest403365-21apt-get12:30:141
7645699220,20cyclictest0-21swapper/112:20:141
7645699220,20cyclictest0-21swapper/110:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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