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2025-11-24 - 23:04
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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 Mon Nov 24, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264660199421,24cyclictest0-21swapper/012:26:080
2646601993914,4cyclictest0-21swapper/009:41:020
264660399349,3cyclictest171rcu_preempt10:48:071
264660199333,9cyclictest2679738-21ntp_states08:53:050
264660199321,21cyclictest2813355-21grep11:58:030
2646603993124,5cyclictest1007-21mta-sts-daemon10:38:051
264660199313,26cyclictest0-21swapper/009:53:070
2646604993025,4cyclictest0-21swapper/210:14:122
264660199301,3cyclictest2783997-21latency_hist11:21:000
2646601993012,4cyclictest0-21swapper/010:08:070
2646604992926,1cyclictest0-21swapper/212:18:042
2646603992918,8cyclictest0-21swapper/110:08:071
2646601992925,2cyclictest2653745-21latency_hist07:36:000
264660199290,20cyclictest2729576-1kworker/0:2H+mmc_complete10:27:580
264660399282,5cyclictest171rcu_preempt08:35:591
264660199284,3cyclictest0-21swapper/011:33:120
264660199282,16cyclictest2785063-21/usr/sbin/munin11:22:580
2646601992816,9cyclictest2841510-21ssh12:31:050
264660199281,20cyclictest2848354-21grep12:38:120
2646603992720,4cyclictest28-21ksoftirqd/112:18:041
2646601992719,3cyclictest2668631-21sed08:18:110
2646601992715,9cyclictest2700112-21ntpq09:33:050
2646604992622,3cyclictest0-21swapper/211:11:012
2646603992612,2cyclictest11050irq/107-eth%d11:30:101
264660399261,21cyclictest111788-21systemd-journal10:13:081
2646601992612,9cyclictest2800470-21dpkg11:41:010
264660199261,0cyclictest0-21swapper/010:59:360
264660499257,13cyclictest2243333-21munin-node07:36:032
2646601992520,1cyclictest0-21swapper/011:38:050
264660199251,23cyclictest2648351-21timerwakeupswit07:18:100
264660199250,22cyclictest0-21swapper/009:41:000
264660499236,0cyclictest11050irq/107-eth%d12:36:032
2646604992311,9cyclictest11050irq/107-eth%d10:18:072
264660199239,9cyclictest2822055-21tr12:08:030
264660199239,1cyclictest0-21swapper/009:23:040
264660199231,2cyclictest2711170-21fschecks_time09:48:050
2646601992312,3cyclictest2738131-21/usr/sbin/munin10:23:020
264660199231,21cyclictest0-21swapper/009:56:010
2646604992213,5cyclictest259-21jbd2/mmcblk0p2-809:33:052
2646603992212,8cyclictest0-21swapper/110:03:061
264660199222,16cyclictest967-21snmpd10:18:060
2646601992214,5cyclictest2756239-21sendmail-msp10:46:520
264660199220,13cyclictest2730819-21ntpq10:13:080
264660499216,9cyclictest0-21swapper/207:16:002
264660499213,13cyclictest2799884-21apt-get11:41:012
264660499212,14cyclictest2841388-21apt-config12:31:012
2646604992110,6cyclictest0-21swapper/212:27:592
264660499210,2cyclictest2762200-21ntpq10:53:052
264660399212,13cyclictest2709600-21sendmail-msp09:52:201
264660199213,16cyclictest2729576-1kworker/0:2H+kblockd10:46:000
2646601992119,1cyclictest2774843-21cat11:08:140
2646604992012,6cyclictest0-21swapper/207:16:012
264660399207,12cyclictest762-21in:imuxsock11:53:091
264660399203,13cyclictest2786002-21ssh11:23:071
2646603992016,2cyclictest2807717-21cron11:51:001
264660199204,10cyclictest2762196-21ssh10:53:050
264660199201,6cyclictest0-21swapper/008:08:140
264660199201,18cyclictest2749841-21ssh10:38:010
264660199201,11cyclictest2817415-21/usr/sbin/munin12:02:580
264660199200,20cyclictest0-21swapper/009:08:070
2646604991916,2cyclictest2821803-21fschecks_time12:08:012
2646604991914,4cyclictest1008-21mta-sts-daemon09:53:042
264660399196,8cyclictest2657166-21sendmail-msp07:46:161
264660399193,12cyclictest2845842-21ssh12:36:031
264660399192,14cyclictest122792-21ntpd10:28:071
264660399192,11cyclictest2836889-21sendmail-msp12:34:191
264660399192,11cyclictest11050irq/107-eth%d09:41:021
2646603991914,3cyclictest0-21swapper/111:33:371
264660199195,9cyclictest2646597-21unin-run07:16:000
2646601991912,6cyclictest2772270-21sendmail-msp11:13:020
264660199190,11cyclictest2725017-21idleruntime-cro10:06:000
264660599184,9cyclictest0-21swapper/312:31:063
264660499188,6cyclictest619-21mta-sts-daemon10:48:072
264660499187,8cyclictest0-21swapper/210:27:162
264660499186,7cyclictest2798008-21kernelversion11:38:032
264660499183,9cyclictest111788-21systemd-journal08:13:102
264660499182,10cyclictest111788-21systemd-journal09:26:012
264660399182,15cyclictest2647139-21apt-get07:16:021
264660399182,12cyclictest11050irq/107-eth%d10:18:051
2646603991815,2cyclictest2664314-21fschecks_time08:08:031
264660199184,8cyclictest2851560-21cut12:43:010
264660199182,11cyclictest2770183-21ssh11:03:050
2646601991810,5cyclictest0-21swapper/008:48:000
264660499178,8cyclictest2817454-21fschecks_count12:02:592
264660499174,7cyclictest2769621-21/usr/sbin/munin11:03:012
264660499173,8cyclictest111788-21systemd-journal11:46:262
264660499173,12cyclictest2719555-21/usr/sbin/munin09:58:102
264660499173,12cyclictest2703206-21/usr/sbin/munin09:38:002
264660499171,3cyclictest2749721-21aten_r2power_vo10:38:002
264660499171,13cyclictest2728467-21rm10:10:162
264660399173,8cyclictest0-21swapper/109:33:011
264660399173,7cyclictest2852382-21ssh12:43:101
264660399173,7cyclictest2803892-21ssh11:45:211
264660399173,11cyclictest111788-21systemd-journal11:16:081
264660399172,12cyclictest3763566-1kworker/1:0H+kblockd08:53:051
264660399172,11cyclictest2772270-21sendmail-msp11:06:101
264660399172,11cyclictest2662679-21fschecks_time08:03:011
2646603991713,3cyclictest2739127-21unixbench_multi10:23:121
2646603991710,5cyclictest2651212-21needreboot07:28:051
2646601991715,1cyclictest0-21swapper/011:53:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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