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2026-04-27 - 05:33
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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 Mon Apr 27, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1231187993027,2cyclictest0-21swapper/120:05:011
123118999273,21cyclictest1439643-21apt-get22:35:132
123118399271,5cyclictest1352514-21apt21:10:000
123118999261,21cyclictest1495351-21apt-get23:30:112
1231192992519,4cyclictest1358738-21tr21:15:173
123119299250,4cyclictest1438094-21taskset22:30:213
123118999252,3cyclictest1388561-21apt-get21:45:122
123118999251,21cyclictest1541301-21sed00:15:172
123118999251,20cyclictest0-21swapper/220:30:122
123118999251,20cyclictest0-21swapper/200:30:022
123118999251,20cyclictest0-21swapper/200:10:122
123118999250,21cyclictest0-21swapper/221:30:132
123118799252,20cyclictest1449798-21apt-get22:45:121
123118799252,20cyclictest1327477-21apt-get20:45:121
123119299242,20cyclictest1495351-21apt-get23:30:113
1231192992419,3cyclictest1555769-21systemd-run00:30:013
123118999242,21cyclictest1373103-21idleruntime-cro21:30:002
1231189992420,2cyclictest1383506-21apt-get21:40:112
1231189992420,2cyclictest1342639-21apt-get21:00:132
1231189992418,4cyclictest1454613-21awk22:49:592
123118999241,20cyclictest0-21swapper/200:25:142
123118999240,21cyclictest0-21swapper/222:25:122
123118999240,20cyclictest0-21swapper/222:30:112
1231187992420,2cyclictest1475077-21apt-get23:10:121
1231187992420,2cyclictest1388561-21apt-get21:45:121
1231187992419,3cyclictest1428849-21latency_hist22:25:011
123118799241,20cyclictest1429112-21apt-get22:25:121
123118799240,22cyclictest1464723-21grep22:59:591
123118399242,2cyclictest1530703-21apt-get00:05:110
123118399242,20cyclictest1246530-21apt-get19:25:130
1231183992419,3cyclictest1255546-21ntpq19:30:220
123118399241,2cyclictest1418950-21apt-get22:15:110
123118399241,21cyclictest1550947-21apt-get00:25:140
123118399241,21cyclictest1312339-21apt-get20:30:120
1231192992320,2cyclictest1485225-21apt-get23:20:153
1231192992319,2cyclictest1561462-21apt-get00:35:143
123119299231,2cyclictest1500381-21apt-get23:35:123
123119299231,2cyclictest0-21swapper/323:00:113
123119299231,20cyclictest0-21swapper/319:35:123
123119299230,21cyclictest1479006-21seq23:10:223
1231189992318,3cyclictest1413851-21apt-get22:10:122
1231189992318,2cyclictest0-21swapper/220:45:122
123118999231,2cyclictest1515589-21apt-get23:50:122
123118999231,19cyclictest0-21swapper/221:20:132
123118999230,22cyclictest1286814-21munin-run20:05:002
123118999230,21cyclictest1480632-21grep23:15:162
123118999230,20cyclictest0-21swapper/222:50:142
123118999230,20cyclictest0-21swapper/221:15:132
123118999230,20cyclictest0-21swapper/220:15:112
123118999230,19cyclictest0-21swapper/220:55:132
123118799232,19cyclictest1358249-21apt-get21:15:131
1231187992319,2cyclictest1307287-21apt-get20:25:141
123118799231,3cyclictest1332533-21apt-get20:50:131
123118799231,2cyclictest1241498-21apt-get19:20:131
123118799231,21cyclictest1468842-21ntpq23:00:201
123118799230,20cyclictest1409259-21ps22:05:181
123118799230,19cyclictest0-21swapper/122:30:111
123118799230,19cyclictest0-21swapper/122:00:121
123118799230,19cyclictest0-21swapper/121:40:111
1231183992320,2cyclictest1556424-21apt-get00:30:130
1231183992320,1cyclictest1363306-21apt-get21:20:140
1231183992319,3cyclictest1353193-21apt-get21:10:110
1231183992319,2cyclictest1408776-21apt-get22:05:130
123118399231,2cyclictest1236465-21apt-get19:15:110
123118399231,21cyclictest1368348-21apt-get21:25:120
123118399230,22cyclictest1261483-21cron19:40:010
123118399230,21cyclictest1408504-21sh22:05:000
123118399230,20cyclictest0-21swapper/023:10:130
1231192992220,1cyclictest1347413-21cron21:05:003
1231192992219,2cyclictest0-21swapper/321:50:133
1231192992217,3cyclictest1292125-21apt-get20:10:133
123119299221,2cyclictest64-21kcompactd020:49:303
123119299221,2cyclictest1514456-21ntpq23:45:203
123119299221,2cyclictest0-21swapper/319:15:173
123119299221,20cyclictest0-21swapper/320:05:123
123119299221,1cyclictest0-21swapper/322:05:123
123119299220,2cyclictest1505460-21apt-get23:40:123
123119299220,2cyclictest1368838-21sort21:25:173
123119299220,2cyclictest0-21swapper/323:50:123
123119299220,2cyclictest0-21swapper/322:55:113
123119299220,2cyclictest0-21swapper/321:55:123
123119299220,21cyclictest1265654-21ntpq19:40:223
123119299220,20cyclictest0-21swapper/320:25:133
123119299220,20cyclictest0-21swapper/319:30:133
1231189992218,2cyclictest0-21swapper/219:50:132
1231189992217,2cyclictest1520641-21apt-get23:55:122
123118999221,2cyclictest0-21swapper/220:20:222
123118999221,2cyclictest0-21swapper/200:20:122
123118999221,1cyclictest0-21swapper/220:52:432
123118999220,21cyclictest0-21swapper/223:10:212
123118999220,20cyclictest1505943-21ps23:40:162
123118999220,19cyclictest0-21swapper/223:25:132
1231187992219,2cyclictest1378430-21apt-get21:35:111
123118799220,3cyclictest1490011-21turbostat.cron23:24:591
123118799220,2cyclictest1397456-21ntpq21:50:231
123118799220,19cyclictest0-21swapper/123:40:131
123118799220,19cyclictest0-21swapper/123:35:111
123118799220,19cyclictest0-21swapper/121:55:121
123118799220,19cyclictest0-21swapper/121:25:131
1231183992219,2cyclictest1302235-21apt-get20:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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