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2026-08-19 - 03:49
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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 Aug 19, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334804099281,24cyclictest3455356-21taskset20:55:133
3348035992822,4cyclictest3624840-21cron23:40:001
3348040992622,2cyclictest0-21swapper/323:15:163
334804099261,22cyclictest3609964-21apt-get23:25:113
334803799262,21cyclictest3666252-21apt-get00:20:112
334803799262,21cyclictest3573983-21apt-get22:50:132
334803799261,5cyclictest3527879-21irqcore22:05:172
334803799261,23cyclictest3486367-21irqcore21:25:172
334803799260,5cyclictest3526910-21sed22:05:012
334804099251,21cyclictest3604871-21apt-get23:20:103
334804099251,20cyclictest3620069-21apt-get23:35:123
334804099250,21cyclictest0-21swapper/321:20:163
334803799252,22cyclictest3516330-21apt-get21:55:132
334803799251,21cyclictest0-21swapper/219:45:132
334803799250,23cyclictest3383512-21sh19:45:012
3348035992520,3cyclictest3584100-21apt-get23:00:141
334804099241,3cyclictest0-21swapper/319:10:133
334804099241,2cyclictest3418704-21ntpq20:15:223
334804099241,20cyclictest3516330-21apt-get21:55:123
334804099241,20cyclictest0-21swapper/322:15:133
334804099241,20cyclictest0-21swapper/319:35:133
334804099240,20cyclictest0-21swapper/320:00:123
3348037992420,2cyclictest3358387-21apt-get19:20:132
334803799241,21cyclictest3564320-21tr22:40:162
334803799240,22cyclictest3465278-21cron21:04:592
3348035992420,2cyclictest3671323-21apt-get00:25:141
334803099242,20cyclictest3511281-21apt-get21:50:110
3348030992420,2cyclictest3527388-21apt-get22:05:120
3348030992419,3cyclictest3625116-21apt-get23:40:110
3348030992418,2cyclictest3604617-21grep23:20:000
334803099241,20cyclictest3450277-21apt-get20:50:130
3348040992319,2cyclictest0-21swapper/319:25:093
334804099231,20cyclictest3494945-21ntpq21:30:233
334804099231,20cyclictest3494945-21ntpq21:30:223
334804099231,19cyclictest0-21swapper/321:40:103
334804099230,3cyclictest3445716-21grep20:45:153
334804099230,20cyclictest3394129-21latency_hist19:55:013
334804099230,20cyclictest0-21swapper/321:35:143
334804099230,20cyclictest0-21swapper/320:50:133
334803799231,2cyclictest3572809-21ntpq22:45:212
334803799231,21cyclictest0-21swapper/223:30:132
334803799231,20cyclictest3681479-21apt-get00:35:112
334803799231,20cyclictest3620569-21grep23:35:162
334803799230,2cyclictest0-21swapper/222:25:132
334803799230,22cyclictest0-21swapper/220:10:142
334803799230,20cyclictest3537594-21apt-get22:15:132
3348035992320,2cyclictest3558327-21apt-get22:35:141
3348035992319,2cyclictest3655616-21apt-get00:10:151
3348035992319,2cyclictest3460442-21apt-get21:00:121
3348035992319,2cyclictest3434817-21cron20:34:591
3348035992319,2cyclictest3410166-21sort20:10:181
3348035992318,3cyclictest0-21swapper/119:35:001
334803599231,2cyclictest3649384-21ntpq00:00:231
334803599230,21cyclictest3625099-21/usr/sbin/munin23:40:101
3348030992320,2cyclictest3363475-21apt-get19:25:100
3348030992319,2cyclictest3399556-21apt-get20:00:120
334803099231,2cyclictest3424908-21apt-get20:25:130
334803099230,4cyclictest3665131-21ntpq00:15:230
3348040992219,2cyclictest3423775-21ntpq20:20:223
3348040992219,2cyclictest0-21swapper/320:40:133
3348040992219,1cyclictest0-21swapper/319:45:143
3348040992218,2cyclictest3506216-21apt-get21:45:153
3348040992217,3cyclictest0-21swapper/322:00:173
3348040992217,2cyclictest0-21swapper/320:35:143
334804099221,20cyclictest0-21swapper/323:10:133
334804099221,1cyclictest0-21swapper/321:05:133
334804099220,2cyclictest3537342-21turbostat22:14:593
334804099220,2cyclictest0-21swapper/300:33:523
334804099220,21cyclictest64-21kcompactd022:58:493
334804099220,21cyclictest3871586-21snmpd22:25:003
334803799226,8cyclictest3353057-21munin-run19:15:002
3348037992219,2cyclictest64-21kcompactd021:10:132
3348037992219,2cyclictest3394106-21store19:55:012
3348037992219,2cyclictest0-21swapper/222:35:132
3348037992218,3cyclictest3500891-21idleruntime-cro21:40:002
3348037992218,2cyclictest0-21swapper/223:15:122
334803799221,2cyclictest0-21swapper/220:50:132
334803799221,20cyclictest0-21swapper/220:30:122
334803799221,20cyclictest0-21swapper/220:25:132
334803799221,20cyclictest0-21swapper/200:10:142
334803799221,1cyclictest0-21swapper/220:55:142
334803799220,2cyclictest0-21swapper/219:55:142
334803799220,20cyclictest3475745-21apt-get21:15:112
3348035992219,2cyclictest3527872-21ps22:05:171
3348035992219,2cyclictest3490658-21ls21:30:001
3348035992219,1cyclictest3419837-21apt-get20:20:121
3348035992218,2cyclictest3599778-21apt-get23:15:121
334803599221,1cyclictest3484688-21ntpq21:20:251
334803599220,19cyclictest0-21swapper/122:55:121
3348030992219,2cyclictest3594686-21apt-get23:10:130
3348030992219,2cyclictest3496053-21apt-get21:35:130
3348030992217,4cyclictest3455846-21irqcore20:55:180
334803099221,2cyclictest3394443-21apt-get19:55:140
334803099221,20cyclictest3388877-21apt-get19:50:130
334803099221,1cyclictest3414789-21apt-get20:15:130
334803099221,19cyclictest3614735-21cron23:30:000
3348040992119,1cyclictest64-21kcompactd020:07:193
3348040992119,1cyclictest0-21swapper/319:21:383
3348040992118,2cyclictest0-21swapper/323:40:113
3348040992118,2cyclictest0-21swapper/322:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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