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2026-06-21 - 21:07
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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 Sun Jun 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2804855995248,2cyclictest3044011-21fwupd11:03:243
280485099320,5cyclictest2856171-21sed08:00:171
280485399310,5cyclictest2856172-21grep08:00:172
280485399300,28cyclictest3777322-21systemd-journal08:05:222
280485099301,20cyclictest0-21swapper/111:55:001
280485399290,26cyclictest0-21swapper/209:55:092
2804850992911,9cyclictest2911335-21unixbench_singl08:50:251
280485599282,22cyclictest3126395-21apt-get12:25:123
280485399282,7cyclictest2953019-21apt-get09:35:112
2804853992820,6cyclictest0-21swapper/210:20:002
2804853992819,7cyclictest2881020-21cron08:24:592
280485399281,23cyclictest3136924-21apt-get12:35:112
280485399280,2cyclictest2998940-21basename10:20:112
280485399280,2cyclictest2992450-21ps10:10:242
280485399280,26cyclictest0-21swapper/210:50:112
2804850992818,8cyclictest2881023-21ls08:24:591
280485099281,25cyclictest0-21swapper/110:50:111
280485099280,2cyclictest3039117-21cron11:00:001
280485099280,26cyclictest0-21swapper/111:30:031
280485099280,22cyclictest0-21swapper/108:55:111
280485099280,1cyclictest0-21swapper/112:01:461
280485099280,1cyclictest0-21swapper/109:10:101
280485599272,21cyclictest2937388-21apt-get09:20:103
280485599271,22cyclictest2825259-21apt-get07:30:123
2804853992717,8cyclictest2845265-21cron07:50:002
280485399270,3cyclictest3039119-21cron10:59:592
280485399270,20cyclictest0-21swapper/208:55:112
280485399270,1cyclictest0-21swapper/212:05:122
280485099270,25cyclictest0-21swapper/109:55:091
280485099270,1cyclictest0-21swapper/110:10:241
280485099270,1cyclictest0-21swapper/108:34:481
280485099270,19cyclictest0-21swapper/108:05:221
280485099270,0cyclictest0-21swapper/107:22:441
280485599261,22cyclictest2958097-21apt-get09:40:113
280485599261,21cyclictest2932325-21apt-get09:15:113
280485599261,21cyclictest0-21swapper/311:20:123
280485599261,21cyclictest0-21swapper/311:20:113
280485399265,12cyclictest3121536-21cut12:20:132
2804853992619,6cyclictest3095277-21sh11:55:002
280485399261,1cyclictest0-21swapper/212:01:462
280485399261,1cyclictest0-21swapper/207:22:442
280485399260,25cyclictest0-21swapper/207:32:582
280485399260,24cyclictest0-21swapper/211:30:032
280485399260,1cyclictest0-21swapper/207:40:112
2804850992618,6cyclictest0-21swapper/107:55:091
2804848992621,3cyclictest2912040-21apt-get08:55:110
2804855992520,3cyclictest3070250-21apt-get11:30:113
280485599251,22cyclictest3003705-21cron10:25:003
280485599251,21cyclictest3085432-21apt-get11:45:103
280485599251,21cyclictest2917096-21apt-get09:00:143
280485599251,21cyclictest2835434-21apt-get07:40:123
280485599251,20cyclictest3003982-21apt-get10:25:093
280485599251,20cyclictest0-21swapper/308:50:113
2804853992519,5cyclictest0-21swapper/207:55:092
280485399251,22cyclictest0-21swapper/207:10:122
280485399251,21cyclictest2922173-21apt-get09:05:122
280485399251,20cyclictest3065182-21apt-get11:25:122
280485399251,1cyclictest0-21swapper/209:10:102
280485399250,5cyclictest2871692-21ps08:15:172
280485399250,1cyclictest0-21swapper/211:10:112
2804850992519,5cyclictest0-21swapper/110:20:111
280485099251,5cyclictest2891380-21apt-get08:35:131
280485099250,23cyclictest0-21swapper/110:48:071
280485099250,13cyclictest2840230-21latency_hist07:45:001
2804855992420,2cyclictest2947521-21apt-get09:30:133
2804855992420,2cyclictest0-21swapper/311:40:163
2804855992418,3cyclictest2810620-21irqcore07:15:173
280485599241,21cyclictest2860449-21cron08:05:003
280485599241,20cyclictest0-21swapper/312:15:113
280485599241,20cyclictest0-21swapper/309:55:093
280485599241,20cyclictest0-21swapper/308:45:113
280485599240,21cyclictest3121303-21apt-get12:20:113
280485599240,21cyclictest0-21swapper/310:55:123
280485399242,20cyclictest2947521-21apt-get09:30:132
280485399241,22cyclictest0-21swapper/212:30:122
280485399241,20cyclictest3111164-21apt-get12:10:112
280485399241,1cyclictest0-21swapper/208:34:482
280485399241,19cyclictest0-21swapper/212:25:122
280485099242,2cyclictest3014090-21apt-get10:35:121
2804850992419,3cyclictest3055043-21apt-get11:15:131
2804850992415,8cyclictest2820245-21cpuspeed_turbos07:25:111
280485099241,20cyclictest2963152-21apt-get09:45:131
280485099240,23cyclictest0-21swapper/111:26:171
280485099240,1cyclictest3080847-21ps11:40:141
280485099240,1cyclictest2953514-21ps09:35:151
280485099240,1cyclictest0-21swapper/112:05:121
280484899242,2cyclictest2830336-21apt-get07:35:120
280484899242,20cyclictest2983370-21apt-get10:05:150
2804848992420,2cyclictest2917096-21apt-get09:00:130
280484899241,21cyclictest2876266-21apt-get08:20:130
2804855992319,2cyclictest3131887-21apt-get12:30:123
2804855992319,2cyclictest3101039-21apt-get12:00:113
2804855992319,2cyclictest0-21swapper/308:20:123
2804855992318,3cyclictest2982262-21ntpq10:00:233
2804855992318,3cyclictest2820183-21taskset07:25:123
280485599231,21cyclictest0-21swapper/311:55:113
280485599230,20cyclictest2983373-21taskset10:05:153
280485599230,20cyclictest0-21swapper/310:45:143
280485599230,20cyclictest0-21swapper/310:10:133
2804853992318,4cyclictest0-21swapper/211:40:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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