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2025-11-26 - 19:07
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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 rack2slot7.osadl.org (updated Wed Nov 26, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2595754995913,31cyclictest0-21swapper/012:41:020
2595754994324,3cyclictest0-21swapper/009:53:090
259575499390,22cyclictest2766043-21/usr/sbin/munin11:58:040
259575499367,16cyclictest0-21swapper/008:23:000
259575499362,27cyclictest11050irq/107-eth%d12:06:420
2595754993515,4cyclictest2658820-21sendmail-msp09:48:100
2595754993515,4cyclictest2658820-21sendmail-msp09:48:100
259575699338,10cyclictest11050irq/107-eth%d09:43:172
259575499334,24cyclictest0-21swapper/011:38:050
259575499311,29cyclictest2708821-21ssh10:48:120
2595755993022,6cyclictest2607005-21ntp_kernel_err07:48:071
2595754993021,0cyclictest0-21swapper/007:32:590
259575499300,26cyclictest2668834-21grep09:58:130
259575499290,19cyclictest0-21swapper/010:25:000
259575499283,21cyclictest2586547-1kworker/0:0H+kblockd07:26:040
2595754992811,3cyclictest0-21swapper/012:38:050
259575699274,16cyclictest111788-21systemd-journal07:26:042
259575599278,12cyclictest1006-21mta-sts-daemon10:15:531
259575499272,4cyclictest211irq_work/011:23:130
259575499271,2cyclictest0-21swapper/011:28:100
259575499270,17cyclictest2758162-21head11:47:590
2595756992613,8cyclictest2645224-21entropy09:28:062
2595756992613,8cyclictest2645224-21entropy09:28:062
259575599268,4cyclictest171rcu_preempt12:18:071
259575499268,4cyclictest2714782-21munin-run10:56:020
259575499267,9cyclictest2640340-1kworker/0:1H+mmc_complete10:11:020
2595754992622,3cyclictest2727859-21cut11:11:020
2595754992618,2cyclictest2645466-21ssh09:28:090
2595754992618,2cyclictest2645466-21ssh09:28:090
259575699258,15cyclictest2708768-21ntpq10:48:112
259575699254,17cyclictest2664519-21ssh09:53:092
259575699254,15cyclictest2674112-21sendmail-msp10:08:072
259575499258,16cyclictest2620555-21awk08:28:070
259575499254,16cyclictest2703569-21/usr/sbin/munin10:43:100
259575499251,18cyclictest2684351-21/usr/sbin/munin10:18:110
2595755992421,2cyclictest2597283-21unixbench_multi07:18:141
259575499249,14cyclictest2745936-21open_files11:33:090
259575499247,16cyclictest2649154-21grep09:33:120
259575499245,0cyclictest0-21swapper/010:03:060
259575499241,22cyclictest0-21swapper/009:38:060
259575499240,15cyclictest607-21dbus-daemon09:46:020
2595756992321,1cyclictest1005-21mta-sts-daemon11:58:052
2595756992320,2cyclictest1008-21mta-sts-daemon10:53:062
259575699231,12cyclictest2748183-21ssh11:36:022
259575599233,14cyclictest2762768-21ssh11:53:081
259575599232,17cyclictest2633050-21sendmail-msp09:13:081
2595755992317,4cyclictest2609208-21grep07:53:301
2595755992316,2cyclictest0-21swapper/112:13:121
259575499236,15cyclictest0-21swapper/008:18:020
259575499235,13cyclictest2642235-21ntpq09:23:070
259575499235,12cyclictest0-21swapper/007:43:010
259575499234,13cyclictest1007-21mta-sts-daemon08:51:050
259575499232,13cyclictest0-21swapper/012:28:060
259575499230,22cyclictest2635253-21fschecks_time09:13:040
259575499230,1cyclictest0-21swapper/012:18:000
259575799224,10cyclictest0-21swapper/311:58:063
259575699223,15cyclictest111788-21systemd-journal12:33:072
259575599228,10cyclictest2706554-21sendmail-msp10:53:111
259575599224,14cyclictest2766916-21ntpq11:58:061
259575599223,14cyclictest2727711-21ssh11:11:021
259575499226,12cyclictest2696093-21ld10:33:090
259575499221,12cyclictest2733950-21grep11:18:090
259575499220,18cyclictest0-21swapper/010:07:360
259575699218,9cyclictest2691828-21ntpq10:28:072
259575699213,15cyclictest967-21snmpd08:51:062
259575699212,15cyclictest2733798-21ntpq11:18:062
259575599214,11cyclictest111788-21systemd-journal09:28:061
259575599214,11cyclictest111788-21systemd-journal09:28:061
259575499215,15cyclictest2595713-21munin-run07:16:010
2595754992120,1cyclictest0-21swapper/012:12:590
2595754992116,3cyclictest2754342-21gltestperf11:43:030
2595754992112,8cyclictest2762770-21ntpq11:53:080
259575499210,16cyclictest2798448-21ntpq12:33:070
259575499210,15cyclictest0-21swapper/007:38:040
259575699209,7cyclictest111788-21systemd-journal11:47:322
259575599205,4cyclictest0-21swapper/110:47:251
259575599204,3cyclictest11050irq/107-eth%d12:28:071
259575599203,7cyclictest11050irq/107-eth%d12:41:021
259575599203,16cyclictest2656845-21ld09:43:171
259575599203,11cyclictest2626113-21sendmail-msp08:51:061
259575499209,7cyclictest111788-21systemd-journal08:11:270
259575499208,10cyclictest2623626-21kernelversion08:38:020
259575499206,9cyclictest2723561-21sendmail-msp11:13:070
259575499205,6cyclictest2625526-21ntpq08:43:080
259575499202,16cyclictest2633053-21true09:06:020
2595754992017,2cyclictest2691243-21fschecks_count10:28:010
2595754992017,1cyclictest2721130-21/usr/sbin/munin11:03:060
2595754992014,5cyclictest2770195-21head12:02:580
2595754992013,5cyclictest2596889-21/usr/sbin/munin07:18:090
259575499200,18cyclictest0-21swapper/008:58:070
259575699196,9cyclictest1005-21mta-sts-daemon11:06:032
259575699196,11cyclictest11050irq/107-eth%d11:23:132
259575699194,10cyclictest2744160-21ssh11:31:022
259575699190,14cyclictest967-21snmpd10:33:092
259575599199,5cyclictest2756855-21sendmail-msp11:48:071
259575599195,10cyclictest2717562-21/usr/sbin/munin10:58:131
259575599194,9cyclictest2699651-21ssh10:38:001
259575599193,9cyclictest2630770-21awk08:58:051
2595755991916,2cyclictest2705018-21unixbench_singl10:43:131
2595755991915,2cyclictest2674070-21cron10:06:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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