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2026-05-21 - 10:38
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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 May 21, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42550399282,22cyclictest706615-21apt-get23:45:111
42550399281,22cyclictest497044-21apt-get20:20:131
42550399272,22cyclictest471729-21apt-get19:55:121
42550399271,22cyclictest711649-21apt-get23:50:121
42550399271,22cyclictest512278-21apt-get20:35:121
42550399261,21cyclictest660596-21apt-get23:00:111
42550399260,24cyclictest645384-21chrt22:45:111
42550899251,21cyclictest640349-21apt-get22:40:123
42550899251,21cyclictest0-21swapper/320:15:113
42550699251,21cyclictest456081-21apt-get19:40:122
42550399252,2cyclictest476807-21apt-get20:00:121
42550399252,21cyclictest747200-21apt-get00:25:111
425503992519,4cyclictest511164-21ntpq20:30:211
425503992519,3cyclictest547033-21ntpq21:05:211
42550399251,3cyclictest609461-21apt-get22:10:121
42550399251,3cyclictest485799-21ntpq20:05:251
42550399251,21cyclictest430829-21apt-get19:15:101
42550399250,23cyclictest645100-21cron22:45:011
425500992522,2cyclictest0-21swapper/022:05:000
42550099251,22cyclictest532960-21apt-get20:55:120
42550899242,2cyclictest579110-21apt-get21:40:123
42550899242,2cyclictest527887-21apt-get20:50:103
425508992419,2cyclictest584156-21apt-get21:45:113
42550899241,4cyclictest64-21kcompactd020:30:443
42550899240,5cyclictest659518-21/usr/sbin/munin22:55:213
42550899240,20cyclictest0-21swapper/322:10:113
425506992420,2cyclictest620035-21apt-get22:20:102
425506992420,2cyclictest548219-21apt-get21:10:132
425506992418,4cyclictest619816-21latency_hist22:20:012
42550699241,3cyclictest3777322-21systemd-journal00:34:272
42550699241,20cyclictest716728-21apt-get23:55:122
42550699241,20cyclictest486892-21apt-get20:10:112
42550699240,21cyclictest507232-21taskset20:30:112
425503992418,4cyclictest460998-21dpkg19:45:001
42550399241,3cyclictest0-21swapper/123:30:121
42550399241,3cyclictest0-21swapper/119:30:101
42550399241,21cyclictest0-21swapper/122:15:111
42550399241,21cyclictest0-21swapper/121:35:121
42550399241,21cyclictest0-21swapper/121:35:111
42550399241,21cyclictest0-21swapper/100:10:101
42550399241,20cyclictest553288-21apt-get21:15:121
42550399241,20cyclictest0-21swapper/123:35:121
42550399240,20cyclictest0-21swapper/119:10:071
425500992421,2cyclictest496738-21fwupd20:19:550
425500992420,2cyclictest726909-21apt-get00:05:130
425500992420,2cyclictest655471-21apt-get22:55:110
42550099241,21cyclictest691337-21apt-get23:30:120
42550099240,4cyclictest737524-21ps00:15:150
42550099240,23cyclictest686002-21awk23:25:000
425508992319,2cyclictest681244-21apt-get23:20:103
42550899231,19cyclictest558361-21apt-get21:20:123
42550899231,19cyclictest0-21swapper/323:45:113
42550899230,20cyclictest0-21swapper/322:35:113
425506992319,2cyclictest670708-21apt-get23:10:132
425506992319,2cyclictest425720-21apt-get19:10:072
425506992318,4cyclictest741869-21idleruntime-cro00:20:002
42550699231,21cyclictest518310-21sort20:40:232
42550699231,20cyclictest568532-21gpgv21:30:012
42550699231,20cyclictest568532-21gpgv21:30:002
42550699231,19cyclictest0-21swapper/200:25:122
42550699230,20cyclictest0-21swapper/221:55:112
42550699230,20cyclictest0-21swapper/221:35:122
42550699230,20cyclictest0-21swapper/221:35:112
42550699230,20cyclictest0-21swapper/219:25:112
42550699230,20cyclictest0-21swapper/219:20:142
425503992319,2cyclictest502136-21apt-get20:25:111
425503992319,2cyclictest435911-21apt-get19:20:131
425503992319,2cyclictest0-21swapper/123:05:111
425503992318,3cyclictest522417-21apt-get20:45:111
425503992318,3cyclictest466622-21apt-get19:50:101
42550399231,2cyclictest742120-21apt-get00:20:111
42550399231,2cyclictest538054-21apt-get21:00:121
42550399231,2cyclictest0-21swapper/120:15:111
42550399231,2cyclictest0-21swapper/100:05:121
42550399230,20cyclictest0-21swapper/100:35:121
425500992318,3cyclictest624835-21journal-offline22:25:000
42550099231,2cyclictest645381-21apt-get22:45:110
42550099231,2cyclictest548219-21apt-get21:10:130
42550099231,20cyclictest538054-21apt-get21:00:120
425508992219,2cyclictest0-21swapper/323:30:223
425508992219,1cyclictest0-21swapper/321:50:113
425508992218,2cyclictest0-21swapper/320:55:113
425508992216,3cyclictest676214-21apt-get23:15:143
42550899220,21cyclictest446476-21ps19:30:143
42550899220,20cyclictest0-21swapper/320:05:153
42550899220,20cyclictest0-21swapper/319:25:113
42550899220,19cyclictest0-21swapper/323:10:123
42550899220,19cyclictest0-21swapper/321:55:123
42550899220,19cyclictest0-21swapper/320:35:123
42550899220,19cyclictest0-21swapper/319:40:123
425506992219,1cyclictest0-21swapper/222:55:112
42550699220,20cyclictest0-21swapper/223:05:112
42550699220,20cyclictest0-21swapper/221:30:102
42550699220,20cyclictest0-21swapper/220:55:112
42550699220,19cyclictest0-21swapper/223:50:122
42550699220,19cyclictest0-21swapper/219:30:102
42550699220,19cyclictest0-21swapper/219:15:102
42550399220,2cyclictest490802-21ntpq20:10:201
42550399220,2cyclictest0-21swapper/120:50:101
42550399220,21cyclictest0-21swapper/123:12:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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