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2026-03-14 - 05:09
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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 Sat Mar 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2511494993221,9cyclictest2788309-21cut23:40:143
2511491993229,2cyclictest2756473-21fwupd23:06:032
2511494993027,2cyclictest136-1kworker/3:1H+kblockd23:06:033
251149499302,25cyclictest2511705-21apt-get19:10:123
251149499300,29cyclictest2705326-21ntpq22:15:203
251149499290,28cyclictest2746743-21awk23:00:003
251149499290,26cyclictest2707013-21ps22:20:163
251149499281,24cyclictest0-21swapper/321:55:113
251149499280,26cyclictest2623576-21cron21:00:013
251149499280,26cyclictest0-21swapper/319:20:003
251149499280,25cyclictest0-21swapper/320:50:113
2511494992719,6cyclictest0-21swapper/300:05:123
251148999273,22cyclictest261-21systemd-journal21:00:011
251149499261,21cyclictest2828746-21apt-get00:20:153
251149499260,1cyclictest0-21swapper/321:05:003
251149499260,13cyclictest2821047-21grep00:10:173
2511491992617,1cyclictest2675423-21grep21:50:002
251148999261,21cyclictest2839301-21apt-get00:30:101
2511494992520,4cyclictest2547574-21apt-get19:45:113
251149499250,1cyclictest0-21swapper/320:20:103
251149199252,21cyclictest2655013-21apt-get21:30:112
2511491992513,10cyclictest2839032-21awk00:30:012
251149199251,21cyclictest2746987-21apt-get23:00:102
251149199250,24cyclictest2608646-21seq20:45:112
251148999252,20cyclictest2567788-21apt-get20:05:101
251148999251,4cyclictest2768224-21grep23:20:141
251148999251,21cyclictest2808417-21apt-get00:00:111
251148999251,21cyclictest2649938-21apt-get21:25:121
251148999251,20cyclictest2660091-21apt-get21:35:121
251148999251,20cyclictest2583375-21apt-get20:20:101
251148999250,23cyclictest2659844-21idleruntime-cro21:35:001
251148599252,21cyclictest2644883-21apt-get21:20:120
2511494992419,4cyclictest0-21swapper/322:25:123
2511494992418,5cyclictest0-21swapper/321:38:113
251149499240,1cyclictest0-21swapper/323:15:353
251149499240,1cyclictest0-21swapper/323:10:153
251149499240,1cyclictest0-21swapper/322:50:113
251149499240,1cyclictest0-21swapper/320:30:273
251149499240,1cyclictest0-21swapper/300:30:113
251149499240,12cyclictest2646535-21grep21:20:153
251149499240,10cyclictest27218362grep22:35:123
2511491992421,2cyclictest2823667-21apt-get00:15:092
251149199241,20cyclictest0-21swapper/222:20:122
2511489992422,1cyclictest0-21swapper/121:10:001
2511489992419,3cyclictest500-21dbus-daemon19:20:001
2511489992419,3cyclictest2680727-21apt-get21:55:111
251148999241,20cyclictest0-21swapper/123:40:121
251148999241,20cyclictest0-21swapper/121:20:111
2511485992420,2cyclictest2537469-21apt-get19:35:110
251148599240,4cyclictest2598270-21cron20:35:010
251149499235,8cyclictest702-21runrttasks21:18:323
251149499233,9cyclictest2769687-21kthreadcore23:20:163
251149499231,9cyclictest2576725-21ntpq20:10:213
2511494992319,3cyclictest2807262-21ntpq23:55:213
2511494992319,2cyclictest2731557-21cron22:45:003
2511494992315,6cyclictest2808907-21sort00:00:153
2511494992311,10cyclictest261-21systemd-journal19:40:003
251149499230,20cyclictest0-21swapper/323:00:103
251149499230,20cyclictest0-21swapper/320:45:113
251149499230,18cyclictest1-21systemd22:48:543
251149199231,2cyclictest2782715-21cron23:35:002
251149199231,2cyclictest2772832-21apt-get23:25:122
2511489992319,2cyclictest0-21swapper/100:20:141
2511489992317,4cyclictest2608377-21sh20:45:011
251148999231,2cyclictest2844349-21apt-get00:35:111
251148999231,2cyclictest2798208-21apt-get23:50:111
251148999231,2cyclictest2608643-21apt-get20:45:111
251148999231,2cyclictest2552630-21apt-get19:50:121
251148999231,20cyclictest2686208-21apt-get22:00:121
251148999231,20cyclictest0-21swapper/121:45:121
251148999231,19cyclictest0-21swapper/120:35:111
251148999230,3cyclictest2757822-21fw_conntrack23:10:131
251148999230,21cyclictest2696390-21/usr/sbin/munin22:10:101
251148999230,21cyclictest2696390-21/usr/sbin/munin22:10:101
251148999230,21cyclictest2597428-21sshd20:30:201
251148999230,21cyclictest2527065-21ls19:24:591
2511485992319,2cyclictest2701462-21apt-get22:15:130
251148599231,21cyclictest2788048-21apt-get23:40:130
251148599231,20cyclictest2731835-21apt-get22:45:140
251148599231,20cyclictest2675404-21awk21:50:000
251148599231,20cyclictest2665144-21apt-get21:40:100
251148599231,20cyclictest2527339-21apt-get19:25:120
251148599230,22cyclictest0-21swapper/023:06:020
251148599230,21cyclictest2587314-21ntpq20:20:200
251149499225,7cyclictest702-21runrttasks19:27:083
2511494992219,2cyclictest0-21swapper/322:00:123
2511494992218,2cyclictest2567516-21idleruntime-cro20:05:003
251149499221,2cyclictest0-21swapper/300:35:123
251149499221,20cyclictest2522281-21apt-get19:20:103
251149499221,20cyclictest0-21swapper/321:30:113
251149499221,20cyclictest0-21swapper/300:25:113
251149499220,20cyclictest2639310-21cut21:15:003
251149499220,20cyclictest0-21swapper/322:05:113
251149499220,20cyclictest0-21swapper/320:05:123
251149499220,19cyclictest0-21swapper/323:50:123
251149499220,19cyclictest0-21swapper/320:40:123
2511491992219,2cyclictest2717149-21cut22:30:152
2511491992219,2cyclictest0-21swapper/200:10:012
2511491992219,1cyclictest2532414-21apt-get19:30:112
251149199221,2cyclictest2691307-21apt-get22:05:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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