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2026-05-03 - 13:58
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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 May 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3016952994642,2cyclictest3037452-21fwupd19:27:551
301695599326,18cyclictest3339152-21latency_hist00:25:002
3016955993225,5cyclictest3226731-21latency_hist22:35:002
301695599308,2cyclictest261-21systemd-journal19:55:002
301695599307,20cyclictest3104680-21taskset20:35:122
3016960992919,2cyclictest191rcu_preempt00:00:003
3016955992926,1cyclictest3252719-21sh23:00:012
3016955992925,3cyclictest3196985-21grep22:05:172
3016955992925,3cyclictest3196985-21grep22:05:162
3016952992826,1cyclictest3053526-21latency_hist19:45:001
301695099281,2cyclictest0-21swapper/023:10:130
301695299270,2cyclictest3309100-21apt-get23:55:131
3016950992721,3cyclictest3299033-21apt-get23:45:110
3016950992721,3cyclictest3196483-21apt-get22:05:110
3016950992721,3cyclictest3196483-21apt-get22:05:110
301695599264,7cyclictest3104510-21latency_hist20:35:002
3016955992624,1cyclictest3053379-21apt-config19:45:002
301695599261,21cyclictest3299033-21apt-get23:45:112
301695599260,23cyclictest3216688-21taskset22:25:112
301695299262,20cyclictest3278695-21apt-get23:25:101
301695099262,22cyclictest3135123-21apt-get21:05:120
3016960992521,2cyclictest3109767-21apt-get20:40:113
301695599258,6cyclictest3195230-21grep22:00:192
301695599257,7cyclictest3290006-21cut23:35:172
301695599257,6cyclictest3277096-21grep23:20:182
301695599256,8cyclictest3231465-21timerandwakeup22:35:242
301695599256,7cyclictest3152427-21kthreadcore21:20:152
301695599256,7cyclictest3091876-21grep20:20:162
301695599256,6cyclictest3082501-21grep20:10:172
301695599255,7cyclictest3348810-21unixbench-2d00:30:252
3016955992519,4cyclictest3058756-21munin-run19:50:002
301695599251,20cyclictest3329325-21apt-get00:15:132
301695599251,20cyclictest0-21swapper/219:35:152
301695599250,22cyclictest3319242-21taskset00:05:112
3016950992518,5cyclictest3166599-21cut21:35:170
3016950992517,6cyclictest3237523-21cron22:45:010
301695099251,22cyclictest3155927-21apt-get21:25:120
301695099251,22cyclictest3155649-21idleruntime-cro21:24:590
301695099251,21cyclictest3084343-21apt-get20:15:100
301695099251,21cyclictest0-21swapper/020:30:120
3016960992420,2cyclictest3227290-21apt-get22:35:133
3016960992420,2cyclictest3094531-21apt-get20:25:093
3016960992420,2cyclictest3027762-21apt-get19:20:133
301696099240,22cyclictest3314644-21irqcore00:00:163
301695599246,7cyclictest3072979-21grep20:00:192
301695599246,6cyclictest3325402-21cut00:10:172
301695599246,5cyclictest3120769-21irqcore20:50:162
301695599245,7cyclictest3304636-21irqcore23:50:172
301695599245,7cyclictest3141049-21cut21:10:162
301695599245,5cyclictest3166061-21latency_hist21:35:002
301695599245,3cyclictest0-21swapper/200:40:002
301695599245,3cyclictest0-21swapper/200:39:592
301695599244,7cyclictest3281099-21cut23:25:162
301695599243,20cyclictest0-21swapper/220:30:012
3016955992421,2cyclictest0-21swapper/219:20:022
3016955992420,2cyclictest3237801-21apt-get22:45:112
3016955992419,3cyclictest0-21swapper/222:45:012
301695599241,20cyclictest3293956-21apt-get23:40:112
301695599241,20cyclictest0-21swapper/223:55:132
301695599241,20cyclictest0-21swapper/222:15:122
301695599241,19cyclictest3176239-21apt-get21:45:112
301695599240,21cyclictest0-21swapper/219:15:132
301695599240,20cyclictest0-21swapper/221:50:122
301695299241,21cyclictest3059015-21apt-get19:50:111
301695299241,20cyclictest3037911-21apt-get19:30:121
3016950992419,3cyclictest3191449-21apt-get22:00:120
3016950992419,3cyclictest3176239-21apt-get21:45:120
3016950992419,3cyclictest0-21swapper/000:00:120
3016950992418,4cyclictest3053240-21cron19:45:010
3016950992417,5cyclictest3238301-21grep22:45:150
301695099241,3cyclictest3283798-21apt-get23:30:110
301695099241,3cyclictest3130076-21apt-get21:00:130
301695099241,2cyclictest3104677-21apt-get20:35:120
301695099241,22cyclictest3344980-21ps00:30:160
301695099241,21cyclictest3268580-21apt-get23:15:110
301695099241,21cyclictest3248199-21fw_conntrack22:55:150
301695099241,21cyclictest3181319-21apt-get21:50:130
301695099241,20cyclictest3171204-21apt-get21:40:120
301695099241,20cyclictest3079272-21apt-get20:10:120
301695099241,20cyclictest0-21swapper/020:05:120
3016960992320,2cyclictest0-21swapper/323:25:153
301696099231,2cyclictest3288878-21apt-get23:35:123
301696099231,2cyclictest3201539-21apt-get22:10:113
301696099231,2cyclictest3165832-21apt21:34:593
301696099231,2cyclictest3043427-21apt-get19:35:133
301696099231,20cyclictest0-21swapper/321:15:123
301696099230,21cyclictest3027098-21gpgv19:20:003
301695599236,5cyclictest3319027-21sed00:05:002
301695599236,5cyclictest3284064-21fschecks_time23:30:132
301695599236,5cyclictest3076479-21cut20:05:172
301695599235,6cyclictest3162427-21grep21:30:162
301695599235,5cyclictest3201513-21/usr/sbin/munin22:10:152
301695599235,5cyclictest3135879-21sed21:05:162
301695599234,7cyclictest3246213-21kthreadcore22:50:172
3016955992319,3cyclictest0-21swapper/219:25:192
301695599231,20cyclictest3216409-21awk22:25:012
301695599230,19cyclictest0-21swapper/220:45:122
301695299232,20cyclictest3242857-21apt-get22:50:111
301695299232,1cyclictest3319239-21apt-get00:05:111
3016952992319,2cyclictest3314160-21apt-get00:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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