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2026-07-29 - 06:59
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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 29, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2756432993410,22cyclictest500-21dbus-daemon23:35:000
275644099331,21cyclictest3062392-21dpkg00:10:002
2756442993225,2cyclictest191rcu_preempt19:40:153
275644099300,2cyclictest3021326-21munin-run23:30:012
2756440992922,5cyclictest2858603-21apt-get20:50:142
2756440992821,5cyclictest2914852-21apt-get21:45:132
2756442992722,3cyclictest3000965-21systemd-run23:10:003
275644099270,20cyclictest64-21kcompactd020:15:192
275644099270,20cyclictest0-21swapper/222:35:102
2756440992614,11cyclictest2922204-21sed21:50:202
275644099261,21cyclictest2909738-21apt-get21:40:122
2756442992520,3cyclictest3027075-21apt-get23:35:133
275644299251,22cyclictest2945035-21cron22:15:003
2756440992520,3cyclictest2828142-21apt-get20:20:112
2756440992519,4cyclictest2930587-21ps22:00:162
275644099251,3cyclictest3073198-21apt-get00:20:132
275644099251,22cyclictest3777322-21systemd-journal19:25:012
275644099251,21cyclictest3052429-21apt-get00:00:122
275644099251,20cyclictest2868741-21apt-get21:00:112
275644099251,20cyclictest0-21swapper/200:35:122
2756440992511,2cyclictest0-21swapper/223:04:592
275644099250,22cyclictest2884454-21tr21:15:192
275644099250,19cyclictest0-21swapper/222:20:112
275644099250,19cyclictest0-21swapper/219:55:112
2756436992522,2cyclictest516-21rs:main1
275643699252,21cyclictest2777356-21apt-get19:30:121
275643699252,20cyclictest3083375-21apt-get00:30:111
275643699251,21cyclictest2807832-21apt-get20:00:111
2756432992520,3cyclictest2833212-21apt-get20:25:130
275643299250,5cyclictest2777517-21/usr/sbin/munin19:30:120
2756442992418,4cyclictest3082911-21sshd00:27:513
2756440992419,3cyclictest2899599-21seq21:30:132
2756440992412,10cyclictest0-21swapper/223:15:002
275644099241,20cyclictest2945317-21apt-get22:15:142
275644099241,20cyclictest0-21swapper/219:50:132
275644099240,22cyclictest0-21swapper/222:05:162
275644099240,18cyclictest3088210-21munin-run00:35:002
2756436992420,2cyclictest2925059-21apt-get21:55:131
275643699241,21cyclictest2955476-21apt-get22:25:111
275643699241,20cyclictest0-21swapper/120:25:131
275643699240,22cyclictest2909475-21munin-run21:40:001
275643699240,20cyclictest3042258-21apt-get23:50:141
2756432992420,3cyclictest2756657-21apt-get19:10:160
2756432992420,2cyclictest3078290-21apt-get00:25:140
2756432992420,2cyclictest2919970-21apt-get21:50:140
2756432992420,2cyclictest2843326-21apt-get20:35:130
2756432992419,4cyclictest2756428-21cyclictest22:15:000
2756432992419,3cyclictest3047349-21apt-get23:55:130
2756432992419,3cyclictest2802764-21apt-get19:55:120
2756432992419,2cyclictest2818018-21apt-get20:10:130
2756432992418,4cyclictest3072921-21ls00:20:000
275643299241,21cyclictest3057545-21apt-get00:05:150
275643299241,21cyclictest2787565-21apt-get19:40:120
275643299241,21cyclictest2766819-21apt-get19:20:130
275643299240,4cyclictest3042759-21grep23:50:180
275644299231,2cyclictest2761723-21apt-get19:15:133
275644299231,21cyclictest3006304-21apt-get23:15:133
275644299231,21cyclictest2837106-21ntpq20:25:213
275644299230,3cyclictest2864154-21grep20:55:173
2756440992319,2cyclictest2777356-21apt-get19:30:122
2756440992318,3cyclictest2996146-21apt-get23:05:152
2756440992316,5cyclictest2772790-21tr19:25:162
275644099231,3cyclictest0-21swapper/222:40:122
275644099230,21cyclictest3072924-21cron00:20:002
275644099230,20cyclictest2838757-21grep20:30:162
275644099230,20cyclictest2833703-21sort20:25:162
275644099230,1cyclictest0-21swapper/223:50:142
275643699231,20cyclictest2970752-21apt-get22:40:131
275643699231,20cyclictest2791542-21ntpq19:40:211
275643699231,20cyclictest0-21swapper/100:10:001
275643699230,20cyclictest0-21swapper/123:25:121
275643699230,20cyclictest0-21swapper/123:10:131
275643699230,20cyclictest0-21swapper/122:00:121
275643699230,20cyclictest0-21swapper/121:20:131
275643699230,20cyclictest0-21swapper/121:20:131
275643699230,20cyclictest0-21swapper/120:15:151
2756432992320,2cyclictest2782449-21apt-get19:35:110
2756432992319,2cyclictest2925059-21apt-get21:55:130
2756432992319,2cyclictest2838257-21apt-get20:30:120
2756432992318,3cyclictest2873821-21apt-get21:05:120
275643299231,2cyclictest2899596-21apt-get21:30:120
275643299231,20cyclictest3011400-21apt-get23:20:140
275643299231,20cyclictest0-21swapper/020:20:110
2756442992218,3cyclictest481rcuc/322:55:173
2756442992218,2cyclictest3777322-21systemd-journal19:40:013
2756442992218,2cyclictest0-21swapper/300:20:183
275644299221,2cyclictest0-21swapper/320:00:103
275644299221,2cyclictest0-21swapper/300:30:123
275644299221,20cyclictest2935170-21apt-get22:05:113
275644299220,3cyclictest3026478-21base6423:35:003
275644299220,3cyclictest1-21systemd00:00:013
275644299220,21cyclictest0-21swapper/322:00:123
2756440992219,2cyclictest3028030-21grep23:35:182
2756440992219,1cyclictest3022063-21ps23:30:172
2756440992218,2cyclictest2893804-21sh21:25:002
2756440992218,2cyclictest2893804-21sh21:25:002
2756440992218,2cyclictest0-21swapper/222:25:102
275644099221,20cyclictest0-21swapper/221:14:272
275644099221,20cyclictest0-21swapper/219:36:042
275644099220,2cyclictest2766558-21munin-run19:20:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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