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2025-11-30 - 17:51
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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 Sun Nov 30, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2709686997126,6cyclictest0-21swapper/011:23:110
270968699455,36cyclictest0-21swapper/010:33:130
270968699452,5cyclictest2831651-21awk10:56:060
270968799398,2cyclictest0-21swapper/110:08:111
2709687993825,11cyclictest2779833-21ssh09:53:041
2709686993823,13cyclictest2871559-21sendmail-msp11:53:070
270968799361,9cyclictest2836256-21ssh11:01:091
2709686993321,3cyclictest0-21swapper/010:13:080
2709686993321,2cyclictest0-21swapper/012:43:090
270968699326,11cyclictest0-21swapper/011:41:080
270968699320,28cyclictest0-21swapper/011:58:060
2709688993126,4cyclictest1008-21mta-sts-daemon11:03:082
2709688993113,1cyclictest171rcu_preempt11:38:082
270968699306,1cyclictest2873351-21aten2.4-expect11:48:020
2709686993017,4cyclictest2763177-21/usr/sbin/munin09:33:030
2709688992924,3cyclictest1006-21mta-sts-daemon12:23:072
2709688992921,5cyclictest2800763-21/usr/sbin/munin10:18:012
270968799299,14cyclictest619-21mta-sts-daemon10:56:081
2709686992923,3cyclictest2793074-21gltestperf10:08:070
270968899285,16cyclictest111788-21systemd-journal10:06:092
2709688992820,6cyclictest1008-21mta-sts-daemon08:53:092
2709688992817,9cyclictest1005-21mta-sts-daemon08:13:292
2709688992817,9cyclictest1005-21mta-sts-daemon08:13:292
2709686992821,1cyclictest0-21swapper/010:23:120
270968699280,26cyclictest0-21swapper/012:38:050
2709687992719,3cyclictest2800900-21apt-config10:18:011
270968699272,17cyclictest0-21swapper/009:53:180
270968699271,3cyclictest2788017-21aten_r2power_cu10:03:030
270968699270,6cyclictest2767896-21ntpq09:38:070
2709686992625,1cyclictest0-21swapper/012:33:110
270968699262,16cyclictest2800841-21/usr/sbin/munin10:18:010
270968699261,1cyclictest0-21swapper/011:28:120
270968799254,15cyclictest111788-21systemd-journal11:46:081
270968799254,14cyclictest111788-21systemd-journal07:28:101
270968699253,16cyclictest0-21swapper/012:18:140
2709686992522,2cyclictest2890502-21sendmail-msp12:15:220
2709686992514,3cyclictest2848512-21aten_r2power_po11:18:030
270968899248,11cyclictest111788-21systemd-journal12:28:112
2709686992412,4cyclictest0-21swapper/010:26:310
270968699240,19cyclictest2905752-21aten_r2power_en12:23:010
270968899236,14cyclictest111788-21systemd-journal10:21:082
270968899236,12cyclictest1007-21mta-sts-daemon11:18:052
270968899234,14cyclictest2902029-21ssh12:18:092
2709687992316,5cyclictest2726074-21grep08:03:131
270968699233,19cyclictest2909013-21sendmail-msp12:28:120
270968699232,20cyclictest2739708-21cat08:46:050
270968699231,17cyclictest2817565-21aten_r2power_po10:38:030
270968899221,8cyclictest171rcu_preempt09:38:072
2709688992217,3cyclictest2759769-21proc_pri09:28:122
2709688992211,9cyclictest0-21swapper/210:48:032
270968799223,4cyclictest0-21swapper/111:28:121
270968799222,1cyclictest2892845-21ntpq12:08:121
2709687992215,4cyclictest2709685-21cyclictest11:54:111
270968799221,4cyclictest259-21jbd2/mmcblk0p2-810:21:081
270968799220,4cyclictest28-21ksoftirqd/111:58:051
270968699222,20cyclictest0-21swapper/007:33:020
270968699222,19cyclictest2714036-21ntpq07:28:100
2709686992215,1cyclictest0-21swapper/009:48:140
270968699220,18cyclictest2832253-21kworker/u8:3+rpciod10:58:110
112699220,4rtkit-daemon1006-21mta-sts-daemon09:35:102
270968899218,4cyclictest171rcu_preempt12:08:102
270968899217,10cyclictest1007-21mta-sts-daemon08:56:082
270968899214,11cyclictest11050irq/107-eth%d10:33:132
270968899212,14cyclictest2780383-21ssh09:53:122
270968699215,13cyclictest2702303-1kworker/0:2H+mmc_complete07:48:110
270968699212,15cyclictest2890642-21latency_hist12:06:050
270968699211,17cyclictest629-21thd11:01:090
270968699211,11cyclictest2729899-21sort08:18:040
270968999202,7cyclictest0-21swapper/310:06:093
2709688992017,2cyclictest0-21swapper/207:18:052
2709688992015,3cyclictest0-21swapper/210:43:052
270968899200,18cyclictest2808206-21sendmail-msp10:28:062
270968799206,12cyclictest2867042-21apt-get11:41:081
270968799204,2cyclictest2720659-21ntpq07:48:101
270968799204,11cyclictest2909013-21sendmail-msp12:28:101
270968799202,7cyclictest171rcu_preempt08:38:071
270968799201,2cyclictest2900113-21ssh12:16:261
270968699202,16cyclictest2752001-21/usr/sbin/munin09:18:170
2709686992016,3cyclictest2722869-21unin-run07:56:050
2709686992010,4cyclictest2892047-21/usr/sbin/munin12:08:040
112699200,1rtkit-daemon0-21swapper/207:24:132
270968899196,10cyclictest2715038-21/usr/sbin/munin07:33:022
270968899195,10cyclictest2899546-21ssh12:15:542
270968899192,13cyclictest111788-21systemd-journal07:48:112
270968899191,4cyclictest171rcu_preempt11:09:452
2709688991914,2cyclictest2871559-21sendmail-msp11:46:082
270968799198,2cyclictest171rcu_preempt09:48:151
270968799195,4cyclictest11050irq/107-eth%d10:13:091
270968799193,9cyclictest111788-21systemd-journal10:48:141
270968799192,1cyclictest2746596-21munin-run09:06:051
2709687991913,2cyclictest171rcu_preempt08:13:071
2709687991913,2cyclictest171rcu_preempt08:13:071
270968699198,5cyclictest2739685-21sendmail-msp08:53:130
270968699192,15cyclictest2825282-21fschecks_time10:48:070
2709686991914,4cyclictest0-21swapper/011:08:200
270968699191,10cyclictest0-21swapper/009:23:090
270968699190,18cyclictest2745444-21sshd09:03:030
270968899185,8cyclictest2853154-21ntp_states11:23:112
270968899182,9cyclictest2844882-21ls11:13:142
270968899182,10cyclictest2818925-21ssh10:38:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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