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2026-04-19 - 13:42
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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 Sun Apr 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140468999310,23cyclictest1567784-21idleruntime-cro21:50:002
1404691992925,2cyclictest0-21swapper/321:25:113
1404689992920,2cyclictest1456193-21apt-get20:00:132
1404689992718,2cyclictest1623673-21apt-get22:45:122
140469199261,22cyclictest1608510-21apt-get22:30:113
140469199261,21cyclictest1680169-21apt-get23:40:123
140469199261,21cyclictest1491756-21apt-get20:35:143
140469199261,21cyclictest1446007-21apt-get19:50:123
140469199252,20cyclictest1451098-21apt-get19:55:113
1404691992520,3cyclictest1466302-21apt-get20:10:113
1404691992520,2cyclictest1725626-21apt-get00:25:143
1404691992519,3cyclictest1527180-21apt-get21:10:133
140469199251,21cyclictest1588316-21apt-get22:10:123
140469199251,21cyclictest1573112-21apt-get21:55:123
140469199251,21cyclictest1552471-21apt-get21:35:123
140469199251,21cyclictest0-21swapper/322:55:133
1404689992520,3cyclictest1440917-21apt-get19:45:122
140468999251,20cyclictest1557949-21apt-get21:40:122
140468999251,20cyclictest0-21swapper/223:45:112
140468999251,20cyclictest0-21swapper/223:45:112
140468699252,21cyclictest1628725-21apt-get22:50:101
1404691992419,3cyclictest1517042-21apt-get21:00:093
140469199241,21cyclictest1669682-21latency_hist23:30:013
140469199241,21cyclictest0-21swapper/323:00:133
140469199241,20cyclictest1461260-21apt-get20:05:133
140469199241,20cyclictest1435872-21apt-get19:40:123
140469199241,20cyclictest0-21swapper/320:15:113
140469199240,4cyclictest1572836-21cron21:55:003
140469199240,22cyclictest1608237-21cron22:30:013
140469199240,21cyclictest0-21swapper/321:45:123
140469199240,21cyclictest0-21swapper/320:00:133
1404689992420,2cyclictest1501838-21apt-get20:45:132
140468999241,20cyclictest1578187-21apt-get22:00:132
140468699241,2cyclictest1541161-21ntpq21:20:201
140468299242,2cyclictest1603457-21apt-get22:25:110
140468299241,21cyclictest1598428-21apt-get22:20:120
140468299240,5cyclictest1430113-21cron19:35:000
1404691992319,2cyclictest1710483-21apt-get00:10:123
1404691992319,2cyclictest1425311-21apt-get19:30:123
140469199231,2cyclictest1658327-21ntpq23:15:213
140469199231,2cyclictest0-21swapper/300:30:123
140469199230,20cyclictest0-21swapper/323:20:123
140469199230,20cyclictest0-21swapper/320:25:113
140469199230,20cyclictest0-21swapper/319:25:133
140469199230,19cyclictest0-21swapper/320:20:093
1404689992319,2cyclictest1705406-21apt-get00:05:122
1404689992319,2cyclictest1415089-21apt-get19:20:122
140468999231,21cyclictest1455084-21ntpq19:55:202
140468999230,21cyclictest0-21swapper/220:35:142
140468999230,20cyclictest0-21swapper/219:50:112
1404686992315,1cyclictest1537035-21idleruntime-cro21:20:001
140468699231,21cyclictest1649341-21apt-get23:10:121
140468699231,20cyclictest1720593-21apt-get00:20:111
140468699231,20cyclictest1-21systemd21:26:551
140468699230,21cyclictest1669695-21sed23:30:001
140468299232,20cyclictest211rcuc/000:35:010
140468299231,2cyclictest1420225-21apt-get19:25:120
140468299231,20cyclictest1654406-21apt-get23:15:120
1404691992219,2cyclictest0-21swapper/300:35:043
1404691992216,4cyclictest1623395-21cron22:45:003
1404691992214,5cyclictest1511942-21chrt20:55:123
1404691992214,5cyclictest1511942-21chrt20:55:113
140469199221,20cyclictest64-21kcompactd022:17:273
140469199221,20cyclictest1551320-21ntpq21:30:203
140469199221,1cyclictest0-21swapper/322:20:123
140469199220,2cyclictest0-21swapper/322:05:123
140469199220,2cyclictest0-21swapper/320:45:123
140469199220,20cyclictest0-21swapper/323:30:123
140469199220,20cyclictest0-21swapper/300:20:123
140468999227,9cyclictest1715253-21munin-run00:15:002
1404689992219,2cyclictest1551348-21ntpq21:30:212
1404689992218,2cyclictest1568057-21apt-get21:50:112
140468999221,1cyclictest0-21swapper/200:15:102
140468999221,18cyclictest1634181-21apt-get22:55:112
140468999220,2cyclictest1405387-21sed19:10:162
140468999220,21cyclictest261-21systemd-journal22:00:012
140468999220,20cyclictest0-21swapper/220:25:112
140468999220,19cyclictest0-21swapper/220:15:122
140468999220,19cyclictest0-21swapper/200:20:122
1404686992220,1cyclictest1409992-21apt-get19:15:121
1404686992219,2cyclictest1639213-21apt-get23:00:131
140468699221,20cyclictest1481604-21apt-get20:25:111
140468699221,1cyclictest1435597-21cron19:39:591
140468699220,19cyclictest0-21swapper/122:15:131
1404682992219,2cyclictest1670530-21tr23:30:160
1404682992219,2cyclictest0-21swapper/020:35:140
1404682992218,2cyclictest1664541-21apt-get23:25:110
140468299221,2cyclictest1613577-21apt-get22:35:120
140468299221,20cyclictest0-21swapper/020:05:130
140468299221,1cyclictest0-21swapper/023:36:280
140468299220,2cyclictest702-21runrttasks00:17:510
140468299220,20cyclictest1532255-21apt-get21:15:120
1404691992119,1cyclictest0-21swapper/323:10:123
1404691992119,1cyclictest0-21swapper/300:00:133
1404691992118,2cyclictest0-21swapper/323:45:043
1404691992118,2cyclictest0-21swapper/323:45:033
1404691992118,1cyclictest0-21swapper/322:35:123
1404691992116,3cyclictest1649076-21turbostat.cron23:09:593
140469199210,20cyclictest0-21swapper/323:35:103
140469199210,20cyclictest0-21swapper/319:21:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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