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2026-06-10 - 14:59
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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 Jun 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3147013993937,1cyclictest3233198-21fwupd20:31:552
314700599320,5cyclictest3392296-21munin-node23:10:100
3147015993119,10cyclictest0-21swapper/321:15:003
314701599311,21cyclictest3217864-21sh20:20:003
314701599310,4cyclictest3428699-21irqcore23:45:163
3147005993028,1cyclictest3212744-21kworker/0:0+pm20:31:560
314701599281,22cyclictest3192816-21apt-get19:55:113
314701599280,20cyclictest0-21swapper/323:21:523
314701599280,19cyclictest0-21swapper/322:35:103
3147013992824,3cyclictest3192549-21sh19:55:012
314701599272,21cyclictest3249033-21apt-get20:50:133
3147015992718,2cyclictest3285014-21apt-get21:25:113
314701599271,21cyclictest3361482-21apt-get22:40:123
314701599270,2cyclictest0-21swapper/300:30:123
314700899270,26cyclictest3315229-21latency_hist21:55:011
314700899270,26cyclictest3315229-21latency_hist21:55:011
314701599262,21cyclictest3346265-21apt-get22:25:123
3147008992619,2cyclictest191rcu_preempt21:30:001
3147015992520,3cyclictest3223632-21apt-get20:25:113
3147015992518,2cyclictest64-21kcompactd023:34:143
314701599251,3cyclictest3269485-21ls21:10:003
314701599251,20cyclictest3182686-21apt-get19:45:123
314701599251,20cyclictest0-21swapper/323:00:113
314701599251,20cyclictest0-21swapper/319:30:123
3147015992419,4cyclictest0-21swapper/322:05:123
3147015992419,3cyclictest3259172-21apt-get21:00:123
3147015992419,1cyclictest0-21swapper/322:59:503
3147015992418,1cyclictest0-21swapper/320:55:123
3147015992416,2cyclictest0-21swapper/300:15:133
314701599241,21cyclictest3218558-21apt-get20:20:133
314701599241,21cyclictest3202945-21apt-get20:05:113
314701599241,20cyclictest0-21swapper/323:35:123
314701599241,20cyclictest0-21swapper/322:15:113
314701599241,20cyclictest0-21swapper/320:30:123
314701599240,21cyclictest3177589-21apt-get19:40:123
314701599240,20cyclictest0-21swapper/322:00:113
314701599240,20cyclictest0-21swapper/322:00:113
314701599240,20cyclictest0-21swapper/321:40:123
314701599240,20cyclictest0-21swapper/300:35:113
314701599240,20cyclictest0-21swapper/300:35:113
314701599240,1cyclictest0-21swapper/319:12:033
3147013992421,2cyclictest509-21systemd-logind23:40:002
3147013992419,3cyclictest3238830-21taskset20:40:122
314701399241,21cyclictest3157356-21apt-get19:20:142
314701399241,20cyclictest3453489-21apt-get00:10:122
314701399240,4cyclictest3290556-21ps21:30:152
3147005992420,2cyclictest3397399-21apt-get23:15:130
3147005992420,2cyclictest3238827-21apt-get20:40:120
3147015992319,2cyclictest3468382-21idleruntime-cro00:25:003
3147015992317,3cyclictest3290061-21apt-get21:30:123
314701599231,2cyclictest0-21swapper/321:35:123
314701599231,20cyclictest0-21swapper/320:45:153
314701599230,20cyclictest0-21swapper/321:50:113
314701599230,20cyclictest0-21swapper/321:50:113
314701599230,20cyclictest0-21swapper/321:15:143
314701599230,20cyclictest0-21swapper/300:05:153
3147013992320,2cyclictest0-21swapper/220:15:132
3147013992319,2cyclictest3208000-21apt-get20:10:122
314701399231,21cyclictest3351358-21apt-get22:30:122
314701399231,21cyclictest3202945-21apt-get20:05:122
314701399231,20cyclictest3438325-21apt-get23:55:142
314701399231,20cyclictest3243917-21apt-get20:45:112
314701399230,21cyclictest3219053-21ps20:20:162
3147008992319,2cyclictest3326013-21apt-get22:05:121
314700899231,2cyclictest3172516-21apt-get19:35:141
314700899231,21cyclictest3280406-21ps21:20:161
314700899230,20cyclictest0-21swapper/120:45:111
3147005992320,2cyclictest3417706-21apt-get23:35:120
314700599231,2cyclictest3258011-21ntpq20:55:210
314700599231,19cyclictest3290559-21grep21:30:160
314700599230,4cyclictest3478365-21ls00:30:240
3147015992219,1cyclictest0-21swapper/300:10:123
3147015992218,2cyclictest3162177-21awk19:25:013
314701599221,20cyclictest64-21kcompactd023:54:073
314701599220,20cyclictest3341687-21grep22:20:163
3147013992219,2cyclictest3310123-21munin-run21:49:592
3147013992218,2cyclictest0-21swapper/221:55:012
3147013992218,2cyclictest0-21swapper/221:55:012
3147013992217,4cyclictest3391340-21seq23:05:242
314701399221,20cyclictest3468658-21taskset00:25:122
314701399221,20cyclictest3468658-21taskset00:25:122
314701399221,1cyclictest0-21swapper/223:00:112
314701399220,3cyclictest3300688-21sort21:40:172
314701399220,20cyclictest3361966-21ps22:40:172
314701399220,20cyclictest3341198-21apt-get22:20:112
3147008992219,2cyclictest3402766-21/usr/sbin/munin23:20:151
3147008992219,2cyclictest3278790-21ntpq21:15:241
3147008992218,3cyclictest3351088-21cron22:30:001
3147008992218,2cyclictest3305290-21apt-get21:45:121
314700899220,20cyclictest3392297-21taskset23:10:101
314700899220,19cyclictest64-21kcompactd019:55:051
3147005992219,2cyclictest3330780-21cron22:10:000
3147005992218,3cyclictest3162427-21apt-get19:25:110
3147005992218,2cyclictest3320967-21apt-get22:00:120
3147005992218,2cyclictest3320967-21apt-get22:00:110
3147005992217,4cyclictest3152802-21ps19:15:150
314700599221,20cyclictest0-21swapper/019:20:170
314700599220,1cyclictest3213073-21apt-get20:15:090
314700599220,19cyclictest0-21swapper/023:55:140
314700599220,19cyclictest0-21swapper/023:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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