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2025-12-02 - 14:04
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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 Tue Dec 02, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281965699443,26cyclictest2980875-21sendmail-msp11:54:240
281965699413,3cyclictest0-21swapper/009:33:140
2819656994118,3cyclictest0-21swapper/009:58:410
2819656993734,2cyclictest0-21swapper/011:11:070
281965799365,11cyclictest2974645-21ssh11:38:101
281965799344,9cyclictest2964004-21apt-get11:26:091
281965799336,19cyclictest2955915-21ssh11:16:081
281965799332,10cyclictest2997384-21sendmail-msp12:13:141
2819657993317,3cyclictest2998811-21cut12:08:121
2819660993226,3cyclictest2880331-21cut09:43:052
281965799324,8cyclictest2841728-21latency_hist08:21:071
281965799323,2cyclictest2898720-21sendmail-msp10:13:151
281965699321,30cyclictest0-21swapper/010:38:100
2819657993112,17cyclictest0-21swapper/108:03:101
281965699314,23cyclictest0-21swapper/010:03:110
2819656993123,7cyclictest2970591-21ssh11:33:120
281965699311,3cyclictest2977927-21/usr/sbin/munin11:43:130
281965699311,22cyclictest0-21swapper/012:13:180
281965799302,9cyclictest2868955-21aten_r2power_fr09:28:031
281965799301,12cyclictest2822967-21sendmail-msp07:28:091
281965699305,23cyclictest0-21swapper/009:46:080
2819660992925,3cyclictest2819655-21cyclictest11:23:072
2819657992915,7cyclictest2984870-21munin-run11:51:081
2819656992917,8cyclictest0-21swapper/007:38:160
2819656992914,5cyclictest0-21swapper/010:41:100
2819656992914,5cyclictest0-21swapper/010:41:100
2819660992818,6cyclictest2947920-21sendmail-msp11:06:162
281965799283,6cyclictest2819658-21/usr/sbin/munin07:16:061
281965799283,5cyclictest2873369-21/usr/sbin/munin09:33:141
281965799283,11cyclictest2989240-21ssh11:55:511
281965799282,11cyclictest2865799-21ssh09:23:061
2819657992813,5cyclictest2856569-21basename09:06:071
281965799281,11cyclictest2927334-21gpg-connect-age10:41:071
2819656992825,2cyclictest2866493-21sed09:23:140
2819656992815,2cyclictest0-21swapper/010:58:110
281965699281,25cyclictest0-21swapper/011:23:450
281965799278,5cyclictest11050irq/107-eth%d09:58:091
281965799274,6cyclictest2828460-21/usr/sbin/munin07:43:011
281966099262,7cyclictest11050irq/107-eth%d10:23:102
281966099262,3cyclictest11050irq/107-eth%d11:48:032
281966099261,21cyclictest2892493-21ssh09:58:092
281965799269,1cyclictest0-21swapper/110:26:091
281965799264,15cyclictest11050irq/107-eth%d10:41:101
281965799264,15cyclictest11050irq/107-eth%d10:41:101
281965699264,5cyclictest11050irq/107-eth%d09:28:110
281965699260,22cyclictest0-21swapper/011:18:140
281966099253,3cyclictest11050irq/107-eth%d09:16:092
2819660992521,3cyclictest0-21swapper/210:26:122
281965699252,4cyclictest0-21swapper/012:03:150
281965699251,21cyclictest2862026-21proc_pri09:18:200
2819660992418,4cyclictest2908449-21grep10:18:092
281965799243,8cyclictest3024747-21ssh12:38:121
2819657992419,3cyclictest1007-21mta-sts-daemon11:33:121
2819656992421,2cyclictest2877562-21grep09:38:180
2819656992421,1cyclictest0-21swapper/009:16:080
2819656992420,3cyclictest0-21swapper/009:53:030
281965699241,18cyclictest2984959-21apt-config11:51:080
281965699234,14cyclictest111788-21systemd-journal10:26:120
281965699231,2cyclictest0-21swapper/012:18:080
281965699231,16cyclictest2933622-21/usr/sbin/munin10:48:100
281966099224,16cyclictest1008-21mta-sts-daemon10:43:092
281966099224,16cyclictest1008-21mta-sts-daemon10:43:092
281966099224,11cyclictest2964037-21sendmail-msp11:26:102
281965799227,4cyclictest11050irq/107-eth%d10:08:051
281965799225,6cyclictest3015043-21/usr/sbin/munin12:28:041
281965699228,2cyclictest0-21swapper/012:41:100
2819656992217,4cyclictest2855573-21gltestperf09:03:050
281966099216,10cyclictest3018268-21latency_hist12:31:072
281966099214,12cyclictest2997384-21sendmail-msp12:08:162
281965799216,12cyclictest2877079-21ssh09:38:121
281965799215,13cyclictest2859871-21diskmemload11:56:231
281965799212,11cyclictest3008944-21ssh12:20:451
2819657992114,2cyclictest0-21swapper/109:53:061
281965699213,18cyclictest0-21swapper/012:28:040
2819656992119,1cyclictest2939640-21ssh10:56:080
281965699211,19cyclictest0-21swapper/010:24:540
281965699211,16cyclictest0-21swapper/011:38:070
281966099204,14cyclictest3024745-21ntpq12:38:122
281966099203,12cyclictest2868951-21aten_r2power_fr09:28:032
2819660992011,8cyclictest2859871-21diskmemload11:13:122
281965799204,13cyclictest2920225-21/usr/sbin/munin10:33:021
2819657992018,1cyclictest0-21swapper/107:53:021
281965699203,1cyclictest0-21swapper/010:08:040
2819656992018,1cyclictest2847361-21gltestperf08:38:130
2819656992012,5cyclictest11650irq/162-mmc012:08:160
281966199192,9cyclictest0-21swapper/310:48:113
281966099194,13cyclictest2887977-21ssh09:53:072
281966099193,15cyclictest2941715-21/usr/sbin/munin10:58:112
281966099193,12cyclictest2836487-21true08:06:072
2819657991914,4cyclictest2819655-21cyclictest11:11:071
2819657991914,4cyclictest0-21swapper/110:03:091
2819657991912,6cyclictest2945281-21fschecks_time11:03:071
2819656991914,4cyclictest0-21swapper/011:58:430
2819656991913,5cyclictest2831261-21xargs07:48:170
281965699191,13cyclictest2832672-21sshd07:53:080
281965699190,19cyclictest0-21swapper/012:23:060
281966099185,10cyclictest2900081-21ssh10:08:052
281966099184,12cyclictest1005-21mta-sts-daemon12:41:092
281966099182,12cyclictest2933639-21netstat10:48:102
2819660991810,7cyclictest1125-21rtkit-daemon11:36:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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