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2026-03-31 - 10:34
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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 Mar 31, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
942306993128,2cyclictest942298-21cyclictest19:45:001
942306993128,2cyclictest942298-21cyclictest19:45:001
94230999302,20cyclictest1069331-21apt-get21:15:132
942309993018,10cyclictest0-21swapper/221:40:012
94230999291,20cyclictest0-21swapper/223:50:162
94230999290,14cyclictest1089787-21munin-plugin-st21:35:002
94230999281,2cyclictest0-21swapper/221:20:132
94230999271,1cyclictest0-21swapper/200:00:122
94231399261,22cyclictest1054145-21apt-get21:00:123
942309992619,4cyclictest1110305-21apt-get21:55:132
94230999261,22cyclictest992973-21apt-get20:00:112
94230999261,21cyclictest1008228-21apt-get20:15:122
94230999261,21cyclictest0-21swapper/222:20:112
94230399261,21cyclictest1268443-21apt-get00:30:110
94231399252,20cyclictest1064255-21apt-get21:10:133
94231399251,21cyclictest962701-21apt-get19:30:123
94231399251,21cyclictest1170917-21apt-get22:55:123
94231399251,21cyclictest0-21swapper/322:15:133
94231399251,21cyclictest0-21swapper/319:35:113
94230999253,20cyclictest1258863-21irqcore00:20:162
942309992521,2cyclictest1002858-21sh20:10:002
942309992519,5cyclictest0-21swapper/219:36:062
942309992519,4cyclictest1064242-21acpi21:10:122
942309992517,3cyclictest957414-21munin-run19:24:592
94230999251,4cyclictest3871586-21snmpd23:05:242
94230999251,4cyclictest1149649-21ntpq22:30:222
94230999251,3cyclictest1243200-21apt-get00:05:142
94230999251,22cyclictest1033968-21apt-get20:40:132
94230999251,21cyclictest977861-21apt-get19:45:132
94230999251,21cyclictest0-21swapper/222:10:142
94230999251,21cyclictest0-21swapper/219:30:122
94230999251,20cyclictest0-21swapper/223:40:132
94230999251,20cyclictest0-21swapper/222:45:112
94230999251,20cyclictest0-21swapper/200:35:132
94230999250,2cyclictest0-21swapper/219:11:232
94230999250,1cyclictest0-21swapper/219:40:122
94230999250,1cyclictest0-21swapper/219:40:122
94230999250,15cyclictest1048868-21latency_hist20:55:012
94230699252,20cyclictest942519-21apt-get19:10:121
94230399252,21cyclictest957670-21apt-get19:25:120
94230399252,21cyclictest171ktimers/019:45:000
94230399252,21cyclictest171ktimers/019:45:000
94230399251,20cyclictest1248251-21apt-get00:10:120
94230399250,21cyclictest1059200-21apt-get21:05:140
94231399242,2cyclictest1150772-21apt-get22:35:143
94231399241,20cyclictest1165862-21apt-get22:50:133
94231399241,20cyclictest0-21swapper/300:20:133
94231399240,2cyclictest0-21swapper/321:15:123
942309992419,3cyclictest1248254-21seq00:10:132
942309992419,2cyclictest1191205-21apt-get23:15:122
942309992414,8cyclictest1023440-21taskset20:30:122
942309992413,9cyclictest987696-21basename19:55:002
94230999241,20cyclictest0-21swapper/223:45:122
94230999241,20cyclictest0-21swapper/221:50:132
94230999240,21cyclictest0-21swapper/222:15:132
94230699242,2cyclictest982911-21apt-get19:50:111
942306992421,2cyclictest1094842-21cron21:40:011
942303992420,3cyclictest1003128-21apt-get20:10:120
942303992420,2cyclictest947572-21apt-get19:15:120
942303992420,2cyclictest1135540-21apt-get22:20:110
94230399241,2cyclictest1140640-21apt-get22:25:130
94231399232,1cyclictest1226147-21seq23:45:233
942313992319,2cyclictest64-21kcompactd020:05:413
942313992319,2cyclictest1155790-21apt-get22:40:123
942313992319,2cyclictest1145696-21apt-get22:30:123
94231399231,20cyclictest1037854-21ntpq20:40:213
94231399230,21cyclictest1236607-21/usr/sbin/munin23:55:263
94231399230,20cyclictest64-21kcompactd023:34:163
94231399230,20cyclictest0-21swapper/321:25:113
94231399230,20cyclictest0-21swapper/320:18:033
94231399230,20cyclictest0-21swapper/319:55:133
94231399230,1cyclictest0-21swapper/319:10:123
942309992319,2cyclictest1038997-21apt-get20:45:112
942309992319,2cyclictest0-21swapper/200:25:122
942309992318,3cyclictest0-21swapper/222:05:132
94230999231,2cyclictest0-21swapper/221:05:132
942309992311,10cyclictest1080109-21grep21:25:142
942306992320,2cyclictest1211959-21apt-get23:35:131
942306992319,2cyclictest1115335-21apt-get22:00:121
94230699231,2cyclictest1120411-21apt-get22:05:131
94230699231,20cyclictest1013306-21apt-get20:20:111
94230699230,20cyclictest0-21swapper/119:30:121
942303992320,2cyclictest0-21swapper/020:20:000
942303992319,3cyclictest1100197-21apt-get21:45:110
94230399231,2cyclictest1181051-21apt-get23:05:120
94230399230,2cyclictest1125943-21grep22:10:190
942313992219,2cyclictest977161-21unixbench_singl19:40:253
942313992219,2cyclictest977161-21unixbench_singl19:40:253
942313992219,2cyclictest0-21swapper/322:20:123
942313992219,2cyclictest0-21swapper/320:58:223
942313992219,1cyclictest0-21swapper/319:50:123
942313992217,4cyclictest1190222-21chrt23:10:243
94231399221,2cyclictest64-21kcompactd022:02:203
94231399221,20cyclictest0-21swapper/323:51:293
94231399220,20cyclictest64-21kcompactd020:33:383
94231399220,19cyclictest0-21swapper/323:15:123
94231399220,19cyclictest0-21swapper/320:00:103
942309992219,2cyclictest509-21systemd-logind22:05:002
942309992219,1cyclictest0-21swapper/223:39:392
942309992217,4cyclictest64-21kcompactd021:44:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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