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2025-12-12 - 10:29
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Fri Dec 12, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
389095993936,2cyclictest588171-21fwupd22:09:133
389087992824,3cyclictest557067-21latency_hist21:45:001
389087992824,3cyclictest557067-21latency_hist21:45:001
389085992825,2cyclictest1492247-21kworker/0:1+pm22:09:140
38909099272,3cyclictest487525-21apt-get20:45:142
38908599277,1cyclictest171ktimers/023:28:390
38908599270,26cyclictest64-21kcompactd019:45:510
38909099261,3cyclictest737655-21apt-get00:10:152
38909099261,3cyclictest532254-21apt-get21:25:132
38909099260,24cyclictest728039-21sort00:00:192
38908799262,22cyclictest498080-21apt-get20:55:121
38909099251,3cyclictest668708-21ntpq23:10:242
38909099251,21cyclictest513053-21diskmemload23:20:152
38908799252,20cyclictest462159-21apt-get20:20:131
389087992518,4cyclictest658437-21apt-get23:05:131
38908799251,20cyclictest0-21swapper/122:10:131
38908799250,4cyclictest488016-21tr20:45:181
38908599251,22cyclictest588883-21grep22:10:140
38909599240,20cyclictest0-21swapper/321:00:163
389090992420,2cyclictest389303-21apt-get19:10:132
38909099241,21cyclictest633294-21apt-get22:45:112
38909099241,21cyclictest497419-21gpgv20:55:002
38909099241,21cyclictest466087-21ntpq20:20:222
38909099241,21cyclictest0-21swapper/222:30:152
38909099241,21cyclictest0-21swapper/222:12:162
38909099241,21cyclictest0-21swapper/219:42:052
38909099240,4cyclictest556546-21ssh21:43:332
38909099240,4cyclictest556546-21ssh21:43:332
38909099240,3cyclictest458006-21sed20:15:172
38909099240,22cyclictest708624-21ls23:45:002
38909099240,1cyclictest760726-21apt-get00:30:162
389087992419,4cyclictest550536-21ssh21:39:191
38908799241,3cyclictest588449-21/usr/sbin/munin22:10:001
38908799241,21cyclictest425070-21awk19:45:001
38908799241,20cyclictest513368-21apt-get21:10:121
389085992420,2cyclictest664730-21apt-get23:10:150
389085992419,4cyclictest754919-21apt-get00:25:160
389085992419,3cyclictest555078-21ntpq21:40:240
389085992419,3cyclictest555078-21ntpq21:40:240
38908599241,3cyclictest544776-21apt-get21:35:110
38908599241,2cyclictest766537-21apt-get00:35:160
38908599241,2cyclictest446477-21apt-get20:05:140
38908599241,21cyclictest652431-21fw_forwarded_lo23:00:190
38908599241,21cyclictest614013-21apt-get22:30:160
38908599241,21cyclictest599229-21ntpq22:15:260
38908599241,21cyclictest513053-21diskmemload23:52:200
38908599241,21cyclictest513053-21diskmemload21:34:040
38908599240,22cyclictest709504-21/usr/sbin/munin23:45:160
38908599240,21cyclictest749059-21ssh00:20:060
38909599231,19cyclictest0-21swapper/323:20:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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