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2026-07-08 - 09:21
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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 Wed Jul 08, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119600699271,22cyclictest1435650-21apt-get23:05:143
119600699271,22cyclictest1435650-21apt-get23:05:133
119600699271,22cyclictest1308336-21apt-get21:00:123
1196002992723,2cyclictest0-21swapper/222:50:002
119600299271,24cyclictest1431078-21irqcore23:00:162
119599799264,21cyclictest171ktimers/021:35:120
119599799260,2cyclictest191rcu_preempt22:10:000
119600699252,2cyclictest1425560-21apt-get22:55:123
119600699251,21cyclictest1511968-21apt-get00:20:103
119600699251,21cyclictest1369465-21apt-get22:00:123
119600299254,1cyclictest0-21swapper/221:30:132
1196002992519,3cyclictest1396972-21kthreadcore22:25:182
119600299251,21cyclictest1527220-21apt-get00:35:122
119600299250,23cyclictest1349230-21seq21:40:122
119600099252,20cyclictest1272498-21apt-get20:25:091
1195997992520,3cyclictest1460990-21apt-get23:30:100
119600699241,3cyclictest1303762-21irqcore20:55:313
119600699241,21cyclictest3777322-21systemd-journal20:45:003
119600699241,21cyclictest0-21swapper/321:45:163
119600699241,21cyclictest0-21swapper/319:35:163
119600699241,20cyclictest0-21swapper/300:15:133
119600699240,21cyclictest0-21swapper/323:35:123
119600699240,20cyclictest0-21swapper/319:10:113
119600299242,21cyclictest1399795-21apt-get22:30:122
1196002992419,3cyclictest516-21rs:main2
119600299241,22cyclictest401ktimers/220:40:122
119600099242,21cyclictest1466024-21apt-get23:35:121
1196000992420,2cyclictest1298204-21apt-get20:50:101
119600099241,2cyclictest1486265-21apt-get23:55:111
119599799241,21cyclictest3777322-21systemd-journal22:35:000
119599799241,21cyclictest1384676-21apt-get22:15:130
1196006992319,3cyclictest1441656-21kthreadcore23:10:173
1196006992319,2cyclictest1211377-21apt-get19:25:133
1196006992319,2cyclictest0-21swapper/320:20:123
1196006992318,3cyclictest0-21swapper/319:55:133
1196006992317,5cyclictest1480919-21basename23:50:013
119600699230,22cyclictest1414171-21sort22:40:243
119600699230,20cyclictest0-21swapper/323:20:103
119600699230,20cyclictest0-21swapper/320:35:133
119600699230,20cyclictest0-21swapper/320:35:133
119600699230,20cyclictest0-21swapper/300:05:113
119600299232,20cyclictest41-21ksoftirqd/223:50:172
1196002992320,2cyclictest0-21swapper/200:10:012
1196002992316,5cyclictest1267173-21cron20:20:002
119600299231,2cyclictest1445783-21apt-get23:15:142
119600299231,2cyclictest1277557-21apt-get20:30:132
119600299231,21cyclictest1344150-21apt-get21:35:122
119600299231,21cyclictest0-21swapper/223:35:122
119600299231,20cyclictest1501861-21apt-get00:10:122
1196000992320,2cyclictest1430595-21apt-get23:00:111
1196000992319,2cyclictest1359357-21apt-get21:50:121
1196000992319,2cyclictest0-21swapper/121:25:131
1196000992317,4cyclictest1-21systemd00:32:021
119600099231,2cyclictest1420484-21apt-get22:50:121
119600099231,21cyclictest1501861-21apt-get00:10:121
119600099231,20cyclictest1303260-21apt-get20:55:131
119599799232,20cyclictest1196211-21apt-get19:10:100
119599799231,2cyclictest1455940-21apt-get23:25:120
119599799231,2cyclictest1414983-21apt-get22:45:130
119599799231,2cyclictest1409902-21apt-get22:40:110
119599799231,20cyclictest1364412-21apt-get21:55:130
119599799230,22cyclictest1323225-21cron21:15:000
1196006992219,2cyclictest64-21kcompactd020:48:433
1196006992219,2cyclictest64-21kcompactd020:08:233
1196006992219,2cyclictest1348112-21ntpq21:35:223
1196006992219,2cyclictest1262393-21apt-get20:15:133
1196006992219,2cyclictest0-21swapper/319:45:143
1196006992218,2cyclictest1257314-21apt-get20:10:113
119600699221,2cyclictest64-21kcompactd021:10:463
119600699221,20cyclictest0-21swapper/322:05:193
119600699221,20cyclictest0-21swapper/321:27:263
119600699221,19cyclictest1394763-21apt-get22:25:123
119600699220,21cyclictest1526300-21/usr/sbin/munin00:30:253
119600699220,19cyclictest0-21swapper/320:25:093
119600699220,19cyclictest0-21swapper/320:00:113
1196002992220,1cyclictest0-21swapper/221:15:132
1196002992219,2cyclictest1471055-21apt-get23:40:112
1196002992219,2cyclictest0-21swapper/220:45:132
1196002992219,2cyclictest0-21swapper/219:35:122
119600299221,2cyclictest0-21swapper/219:15:152
119600299221,20cyclictest0-21swapper/221:00:122
119600299221,20cyclictest0-21swapper/220:50:112
119600299221,20cyclictest0-21swapper/219:55:122
119600299220,3cyclictest1308064-21idleruntime-cro21:00:002
119600299220,21cyclictest64-21kcompactd000:17:512
119600299220,21cyclictest0-21swapper/222:40:112
119600299220,21cyclictest0-21swapper/220:25:092
119600299220,20cyclictest1251950-21munin-run20:05:002
1196000992219,2cyclictest0-21swapper/119:25:121
1196000992217,3cyclictest1506913-21apt-get00:15:121
119600099221,20cyclictest1313389-21apt-get21:05:091
119600099221,20cyclictest1216409-21apt-get19:30:121
119600099221,20cyclictest0-21swapper/123:10:001
119600099221,20cyclictest0-21swapper/123:10:001
119600099220,2cyclictest1491816-21grep00:00:161
119600099220,2cyclictest1419781-21cron22:50:001
119600099220,21cyclictest1460717-21cron23:30:001
1195997992219,2cyclictest1522126-21apt-get00:30:120
1195997992219,2cyclictest1358268-21ntp_offset21:45:220
1195997992219,2cyclictest13430442sleep021:30:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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