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2026-09-03 - 09:36
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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 Sep 03, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3079694993734,2cyclictest3115594-21idleruntime-cro19:45:010
3079697992925,2cyclictest0-21swapper/122:00:161
307970599262,20cyclictest3402463-21apt-get00:25:133
307970199261,21cyclictest3100514-21apt-get19:30:112
307970199261,21cyclictest0-21swapper/221:30:112
307969799260,24cyclictest3295920-21grep22:40:181
307970599251,20cyclictest3305569-21apt-get22:50:113
307970199251,2cyclictest3141288-21apt-get20:10:102
307970199251,20cyclictest0-21swapper/220:50:122
3079697992520,3cyclictest3105631-21apt-get19:35:121
307969799251,3cyclictest3126006-21apt-get19:55:131
307969799251,22cyclictest3212992-21apt-get21:20:141
307969799250,23cyclictest3227946-21cron21:34:591
307969499252,21cyclictest3136202-21apt-get20:05:170
307970599242,20cyclictest3223154-21apt-get21:30:113
3079705992420,2cyclictest3295432-21apt-get22:40:133
307970599241,20cyclictest3115867-21apt-get19:45:143
307970599240,21cyclictest0-21swapper/319:30:113
3079701992420,2cyclictest3346233-21apt-get23:30:122
307970199241,2cyclictest3372027-21apt-get23:55:122
307970199241,21cyclictest3356774-21apt-get23:40:122
307970199240,3cyclictest3253642-21taskset21:55:192
307970199240,23cyclictest3413176-21tr00:35:172
307970199240,20cyclictest0-21swapper/223:45:112
307969799241,21cyclictest3412669-21apt-get00:35:141
307969799241,21cyclictest3367909-21sed23:50:161
307969799240,22cyclictest3777322-21systemd-journal19:20:001
307969799240,22cyclictest3125731-21cron19:55:011
307969799240,22cyclictest3125731-21cron19:55:001
307969799240,20cyclictest0-21swapper/122:45:131
3079694992422,1cyclictest0-21swapper/020:10:100
307969499240,3cyclictest3321255-21grep23:05:150
3079705992320,2cyclictest3304420-21ntpq22:45:203
3079705992319,2cyclictest3336026-21apt-get23:20:133
3079705992319,2cyclictest3181408-21apt-get20:46:433
3079705992319,2cyclictest3141021-21cron20:10:003
3079705992318,4cyclictest3320483-21ls23:05:013
307970599231,19cyclictest3311590-21ps22:55:173
307970599231,19cyclictest0-21swapper/319:25:163
307970599230,21cyclictest0-21swapper/320:10:103
307970599230,19cyclictest0-21swapper/322:15:103
307970599230,19cyclictest0-21swapper/320:35:123
3079701992319,3cyclictest3201610-21ntpq21:05:212
3079701992319,2cyclictest3110749-21apt-get19:40:122
3079701992319,2cyclictest0-21swapper/219:35:162
3079701992318,3cyclictest3234224-21cut21:40:162
307970199231,2cyclictest3171767-21apt-get20:40:122
307970199231,2cyclictest0-21swapper/221:10:122
307970199231,2cyclictest0-21swapper/219:15:112
307970199231,20cyclictest3249300-21sed21:55:012
307970199231,20cyclictest0-21swapper/221:20:142
307970199231,20cyclictest0-21swapper/200:30:132
307970199230,20cyclictest3270020-21apt-get22:15:092
307970199230,20cyclictest3186819-21apt-get20:55:022
307970199230,19cyclictest0-21swapper/219:20:122
3079697992319,2cyclictest3263779-21ntpq22:05:201
3079697992319,2cyclictest3244312-21apt-get21:50:171
3079697992319,2cyclictest3181978-21apt-get20:50:131
3079697992319,2cyclictest0-21swapper/120:55:101
3079697992318,3cyclictest3285289-21apt-get22:30:111
307969799231,2cyclictest3316199-21tr23:00:151
307969799231,20cyclictest3341140-21apt-get23:25:131
307969799230,3cyclictest3193106-21grep21:00:161
307969799230,20cyclictest0-21swapper/122:25:121
307969799230,20cyclictest0-21swapper/122:25:111
307969799230,20cyclictest0-21swapper/100:05:151
3079694992318,3cyclictest3095443-21apt-get19:25:130
3079694992318,3cyclictest0-21swapper/000:20:000
307969499231,21cyclictest3202795-21apt-get21:10:120
307969499231,21cyclictest1-21systemd21:55:000
307969499231,21cyclictest0-21swapper/020:50:120
307969499231,20cyclictest3315708-21apt-get23:00:110
307969499231,20cyclictest3311125-21ps22:55:170
307969499230,3cyclictest3362335-21tr23:45:160
307969499230,3cyclictest3343378-21sed23:25:190
307969499230,3cyclictest3120914-21apt-get19:50:130
307969499230,3cyclictest3120914-21apt-get19:50:120
307969499230,22cyclictest3235958-21sort21:40:180
307969499230,21cyclictest3377169-21/usr/sbin/munin00:00:100
3079705992219,2cyclictest3386989-21cron00:09:593
3079705992219,2cyclictest3080234-21apt-get19:10:123
3079705992219,2cyclictest0-21swapper/323:40:113
3079705992218,2cyclictest3411544-21ntpq00:30:233
3079705992218,2cyclictest3211861-21ntpq21:15:233
3079705992217,3cyclictest3106131-21grep19:35:173
3079705992215,5cyclictest0-21swapper/320:20:003
307970599220,2cyclictest3777322-21systemd-journal23:40:003
307970599220,20cyclictest0-21swapper/321:25:123
307970599220,1cyclictest0-21swapper/319:20:193
307970599220,19cyclictest0-21swapper/321:10:123
307970599220,19cyclictest0-21swapper/300:00:103
3079701992219,2cyclictest0-21swapper/200:20:102
3079701992218,2cyclictest3319603-21ntpq23:00:202
3079701992218,2cyclictest3259904-21apt-get22:05:122
3079701992218,2cyclictest3177323-21ps20:45:152
3079701992218,2cyclictest0-21swapper/221:35:132
3079701992218,2cyclictest0-21swapper/219:10:122
3079701992214,6cyclictest3264962-21seq22:10:172
307970199221,2cyclictest3300993-21sort22:45:172
307970199221,20cyclictest0-21swapper/223:05:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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