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2026-08-10 - 06:34
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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 Mon Aug 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120810099272,21cyclictest1254897-21apt-get19:55:141
120810699261,23cyclictest1367616-21taskset21:45:163
120810699261,23cyclictest1367616-21taskset21:45:153
120810699260,21cyclictest1336498-21apt-get21:15:143
120810299262,22cyclictest1494731-21apt-get23:50:122
120810299261,22cyclictest1367327-21apt-get21:45:142
120810299261,22cyclictest1367327-21apt-get21:45:142
120810699251,21cyclictest1499801-21apt-get23:55:123
120810299252,21cyclictest1541333-21apt-get00:35:142
1208102992520,2cyclictest1285399-21apt-get20:25:122
120810299251,22cyclictest1244285-21apt-get19:45:132
120810299251,21cyclictest1448986-21apt-get23:05:112
120810299250,23cyclictest1408848-21irqcore22:25:172
120810099250,22cyclictest1479534-21taskset23:35:121
120810699242,21cyclictest1275202-21apt-get20:15:123
1208106992420,2cyclictest1233702-21apt-get19:35:153
120810699241,19cyclictest1331453-21apt-get21:10:153
120810299242,20cyclictest1443916-21apt-get23:00:122
120810299241,3cyclictest1326865-21grep21:05:152
120810299241,3cyclictest1300355-21cron20:39:592
120810299241,2cyclictest1474407-21apt-get23:30:122
120810299241,2cyclictest1438848-21apt-get22:55:132
120810299241,2cyclictest1423594-21apt-get22:40:122
120810299241,2cyclictest0-21swapper/221:00:132
120810299241,22cyclictest64-21kcompactd020:59:232
120810299241,21cyclictest1290467-21apt-get20:30:132
120810299240,3cyclictest1536741-21cut00:30:172
120810299240,21cyclictest1306124-21apt-get20:45:132
1208100992420,2cyclictest1213396-21apt-get19:15:151
1208100992420,2cyclictest1213396-21apt-get19:15:141
120810099241,20cyclictest1398190-21apt-get22:15:111
120810099241,20cyclictest1382559-21apt-get22:00:141
120809799242,2cyclictest1270115-21apt-get20:10:170
1208097992420,3cyclictest1223558-21apt-get19:25:120
120809799241,21cyclictest1438848-21apt-get22:55:120
120809799240,4cyclictest1249172-21unin-run19:50:000
120809799240,23cyclictest1495146-21taskset23:50:160
120810699232,20cyclictest1357184-21apt-get21:35:103
1208106992320,2cyclictest1489421-21systemd-run23:45:003
1208106992318,4cyclictest1316010-21idleruntime-cro20:54:593
120810699230,21cyclictest1300508-21latency_hist20:40:003
120810699230,20cyclictest0-21swapper/323:10:113
1208102992320,2cyclictest1459126-21apt-get23:15:132
1208102992320,2cyclictest1270115-21apt-get20:10:172
1208102992319,2cyclictest1515506-21apt-get00:10:122
1208102992319,2cyclictest0-21swapper/219:30:172
120810299231,2cyclictest1237683-21ntpq19:35:252
120810299231,2cyclictest0-21swapper/221:50:122
120810299231,21cyclictest1531149-21apt-get00:25:142
120810299231,21cyclictest0-21swapper/222:05:122
120810299231,20cyclictest1418523-21apt-get22:35:112
120810299231,20cyclictest1347062-21apt-get21:25:112
120810299231,20cyclictest0-21swapper/223:55:122
120810299231,20cyclictest0-21swapper/221:55:112
120810299230,3cyclictest1341295-21ls21:20:002
120810299230,22cyclictest1430894-21/usr/sbin/munin22:45:182
120810299230,21cyclictest0-21swapper/223:25:112
120810299230,21cyclictest0-21swapper/222:30:152
120810299230,21cyclictest0-21swapper/221:35:102
120810299230,21cyclictest0-21swapper/220:50:102
120810299230,20cyclictest0-21swapper/220:15:122
1208100992319,2cyclictest1311213-21apt-get20:50:101
1208100992319,2cyclictest1295560-21apt-get20:35:121
120810099231,2cyclictest1454056-21apt-get23:10:121
120810099230,21cyclictest1392843-21cron22:10:001
120810099230,20cyclictest1352120-21apt-get21:30:161
120810099230,20cyclictest0-21swapper/119:35:161
1208097992320,2cyclictest1403265-21apt-get22:20:120
1208097992319,3cyclictest1484623-21apt-get23:40:110
120809799231,21cyclictest1294387-21ntpq20:30:200
120809799231,20cyclictest1212233-21ntpq19:10:200
120809799230,21cyclictest1392407-21sed22:05:250
1208106992219,2cyclictest0-21swapper/321:05:113
120810699221,1cyclictest1464199-21apt-get23:20:123
120810699220,2cyclictest1397913-21cron22:15:013
120810699220,20cyclictest0-21swapper/322:40:123
120810699220,19cyclictest0-21swapper/323:00:123
120810699220,19cyclictest0-21swapper/300:15:133
120810699220,19cyclictest0-21swapper/300:15:123
1208102992220,1cyclictest41-21ksoftirqd/221:25:002
1208102992219,2cyclictest0-21swapper/223:20:122
1208102992219,1cyclictest0-21swapper/219:55:142
120810299221,19cyclictest0-21swapper/221:10:162
120810299220,2cyclictest0-21swapper/200:21:322
120810299220,21cyclictest0-21swapper/221:40:132
120810299220,21cyclictest0-21swapper/221:30:242
120810299220,20cyclictest391rcuc/219:50:162
120810299220,20cyclictest1301055-21apt-get20:40:132
120810299220,19cyclictest0-21swapper/220:05:132
1208100992219,2cyclictest0-21swapper/119:50:131
1208100992219,2cyclictest0-21swapper/119:50:011
1208100992218,2cyclictest1368279-21sed21:45:191
1208100992218,2cyclictest1368279-21sed21:45:191
1208100992218,2cyclictest0-21swapper/120:30:131
120810099221,1cyclictest1208313-21apt-get19:10:121
120810099220,20cyclictest0-21swapper/122:10:131
120810099220,20cyclictest0-21swapper/120:25:131
120810099220,20cyclictest0-21swapper/120:15:131
1208097992219,1cyclictest1437723-21ntpq22:50:200
1208097992219,1cyclictest0-21swapper/023:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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