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2026-07-02 - 05:11
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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 Thu Jul 02, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368155499290,2cyclictest3732122-21sh19:59:592
3681549992725,1cyclictest3899758-21fwupd22:43:560
368155899261,22cyclictest3762724-21apt-get20:30:113
368155899261,21cyclictest3874879-21apt-get22:20:123
368155899261,21cyclictest0-21swapper/319:35:123
368155899261,21cyclictest0-21swapper/319:20:103
3681551992621,4cyclictest3747243-21turbostat20:14:591
368155899251,22cyclictest3777322-21systemd-journal22:05:003
368155899251,21cyclictest3798645-21apt-get21:05:113
368155899250,22cyclictest3945964-21cron23:30:003
368155899250,21cyclictest0-21swapper/319:30:113
368155499252,21cyclictest3814260-21apt-get21:20:102
3681554992520,3cyclictest3824377-21apt-get21:30:132
3681551992520,3cyclictest3920463-21apt-get23:05:131
368155199251,21cyclictest3717232-21apt-get19:45:131
3681558992420,2cyclictest3839516-21apt-get21:45:123
3681558992420,2cyclictest3681785-21apt-get19:10:123
368155899241,21cyclictest3890041-21apt-get22:35:123
368155899241,20cyclictest3859733-21apt-get22:05:113
368155899241,20cyclictest0-21swapper/323:35:133
368155899240,21cyclictest3905728-21ps22:50:163
368155899240,20cyclictest0-21swapper/300:15:103
368155499242,21cyclictest3702063-21apt-get19:30:112
368155499242,20cyclictest3686855-21apt-get19:15:132
3681554992420,2cyclictest3788494-21apt-get20:55:112
3681554992419,3cyclictest3879933-21apt-get22:25:112
368155499241,2cyclictest3905232-21apt-get22:50:122
368155499241,21cyclictest3808764-21apt-get21:15:132
368155499241,21cyclictest3707124-21apt-get19:35:122
3681551992418,4cyclictest3854385-21sh22:00:001
368155199241,20cyclictest3956374-21apt-get23:40:111
368155199241,20cyclictest0-21swapper/100:20:121
368155199240,23cyclictest3889759-21cron22:35:001
368155199240,22cyclictest3829129-21cron21:35:011
368154999242,2cyclictest3767778-21apt-get20:35:120
368154999241,3cyclictest3737424-21apt-get20:05:110
368154999241,2cyclictest3971530-21apt-get23:55:130
3681558992319,3cyclictest0-21swapper/320:15:003
3681558992319,2cyclictest3736265-21ntpq20:00:213
3681558992319,2cyclictest3712176-21apt-get19:40:113
3681558992319,2cyclictest0-21swapper/300:05:163
368155899231,2cyclictest3920183-21cron23:05:003
368155899231,2cyclictest3895094-21apt-get22:40:123
368155899231,20cyclictest3926021-21grep23:10:153
368155899231,20cyclictest3926021-21grep23:10:143
368155899231,20cyclictest0-21swapper/323:55:123
368155899230,20cyclictest0-21swapper/321:35:133
368155899230,20cyclictest0-21swapper/300:35:113
368155899230,20cyclictest0-21swapper/300:00:113
3681554992320,2cyclictest3778339-21apt-get20:45:132
368155499231,2cyclictest0-21swapper/223:35:132
368155499231,20cyclictest0-21swapper/200:10:142
368155499230,3cyclictest3712678-21grep19:40:162
368155499230,21cyclictest702-21runrttasks22:20:122
368155499230,20cyclictest0-21swapper/220:05:102
368155199231,2cyclictest3910318-21apt-get22:55:111
368155199231,2cyclictest3898937-21ntpq22:40:201
368155199231,2cyclictest3854651-21apt-get22:00:101
368155199230,4cyclictest3716955-21idleruntime-cro19:44:591
368155199230,3cyclictest3996625-21basename00:20:001
368155199230,3cyclictest3753091-21sed20:20:151
368155199230,21cyclictest3681788-21taskset19:10:111
368155199230,20cyclictest0-21swapper/123:15:111
368155199230,19cyclictest0-21swapper/119:35:121
368154999232,20cyclictest3956877-21irqcore23:40:150
3681549992320,2cyclictest3742457-21apt-get20:10:110
3681549992319,3cyclictest3941170-21taskset23:25:100
3681549992319,2cyclictest3990603-21ntpq00:10:220
3681549992318,4cyclictest3722769-21irqcore19:50:160
368154999231,2cyclictest3839516-21apt-get21:45:130
368154999231,20cyclictest3935677-21apt-get23:20:130
368154999231,20cyclictest3803703-21apt-get21:10:100
368154999231,20cyclictest3777322-21systemd-journal22:15:000
368154999230,20cyclictest0-21swapper/020:30:110
3681558992219,1cyclictest0-21swapper/322:45:113
3681558992217,4cyclictest3782258-21taskset20:45:213
368155899221,1cyclictest0-21swapper/319:53:553
368155899220,20cyclictest0-21swapper/321:55:113
368155899220,19cyclictest0-21swapper/321:25:113
368155899220,19cyclictest0-21swapper/321:15:133
3681554992219,2cyclictest0-21swapper/200:20:172
3681554992214,6cyclictest3773742-21ps20:40:162
368155499221,2cyclictest0-21swapper/221:47:542
368155499221,20cyclictest0-21swapper/222:03:292
368155499221,1cyclictest0-21swapper/223:40:112
368155499221,19cyclictest0-21swapper/222:55:112
368155499220,21cyclictest3865262-21ps22:10:142
368155499220,21cyclictest0-21swapper/223:10:112
368155499220,21cyclictest0-21swapper/223:10:112
368155499220,19cyclictest0-21swapper/221:50:132
3681551992219,2cyclictest0-21swapper/120:00:131
3681551992219,2cyclictest0-21swapper/100:05:201
3681551992219,1cyclictest3778339-21apt-get20:45:121
368155199221,2cyclictest3966485-21apt-get23:50:101
368155199220,2cyclictest4012637-21grep00:35:151
368155199220,2cyclictest3972029-21grep23:55:161
368155199220,2cyclictest3946725-21grep23:30:151
368155199220,2cyclictest0-21swapper/122:50:121
368155199220,1cyclictest3941127-21apt-get23:25:021
368155199220,19cyclictest0-21swapper/122:10:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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