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2026-06-26 - 14:17
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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 rack4slot4.osadl.org (updated Fri Jun 26, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71460rcu_preempt4821-21runrttasks08:52:200
71460rcu_preempt4821-21runrttasks08:52:200
71450rcu_preempt0-21swapper/009:28:480
71450rcu_preempt0-21swapper/009:28:480
9883994424cyclictest28833-1kworker/0:0H08:23:530
9883994424cyclictest28833-1kworker/0:0H08:23:530
9883994424cyclictest28833-1kworker/0:0H08:23:530
9883994423cyclictest2333-21ssh11:03:340
9883994423cyclictest2333-21ssh11:03:340
9883994421cyclictest16286-21taskset07:36:370
9883994421cyclictest16286-21taskset07:36:370
9883994421cyclictest16286-21taskset07:36:370
9883994333cyclictest26562-21apt-get09:43:450
9883994333cyclictest26562-21apt-get09:43:450
9883994333cyclictest26562-21apt-get09:43:450
9883994324cyclictest13732-21memory09:18:590
9883994324cyclictest13732-21memory09:18:590
9883994324cyclictest13732-21memory09:18:590
9883994322cyclictest31874-21ssh10:57:320
9883994322cyclictest31874-21ssh10:57:320
9883994322cyclictest19571-21apt-get10:34:000
9883994322cyclictest19571-21apt-get10:34:000
9883994322cyclictest19571-21apt-get10:34:000
9883994322cyclictest18304-21meminfo11:33:580
9883994322cyclictest18304-21meminfo11:33:580
9883994322cyclictest18304-21meminfo11:33:580
9883994321cyclictest30518-21apt-get08:28:470
9883994321cyclictest30518-21apt-get08:28:470
9883994321cyclictest30518-21apt-get08:28:470
9883994321cyclictest25096-21df08:08:490
9883994321cyclictest25096-21df08:08:490
9883994321cyclictest25096-21df08:08:490
9883994320cyclictest0-21swapper/010:18:520
9883994320cyclictest0-21swapper/010:18:520
9883994320cyclictest0-21swapper/010:18:520
9883994318cyclictest11511-21ntp_kernel_err07:19:010
9883994318cyclictest11511-21ntp_kernel_err07:19:010
9883994318cyclictest0-21swapper/011:04:010
9883994318cyclictest0-21swapper/011:04:010
9883994318cyclictest0-21swapper/011:04:010
71430rcu_preempt0-21swapper/210:54:022
71430rcu_preempt0-21swapper/210:54:022
9883994229cyclictest20918-21apt-get09:33:450
9883994229cyclictest20918-21apt-get09:33:450
9883994224cyclictest1034-21df08:38:490
9883994224cyclictest1034-21df08:38:490
9883994223cyclictest29295-21df09:48:490
9883994223cyclictest29295-21df09:48:490
9883994222cyclictest6070-21ssh10:06:260
9883994222cyclictest6070-21ssh10:06:260
9883994222cyclictest6070-21ssh10:06:260
9883994221cyclictest31897-21/usr/sbin/munin08:33:550
9883994221cyclictest31897-21/usr/sbin/munin08:33:550
9883994221cyclictest25750-21users10:44:060
9883994221cyclictest25750-21users10:44:060
9883994221cyclictest25750-21users10:44:060
9883994221cyclictest17426-21df_inode10:28:510
9883994221cyclictest17426-21df_inode10:28:510
9883994221cyclictest17426-21df_inode10:28:510
9883994220cyclictest0-21swapper/010:03:370
9883994220cyclictest0-21swapper/010:03:370
9883994220cyclictest0-21swapper/010:03:370
9883994219cyclictest0-21swapper/011:21:180
9883994219cyclictest0-21swapper/011:21:180
9883994219cyclictest0-21swapper/011:21:180
9883994218cyclictest2163-21sendmail-msp08:58:500
9883994218cyclictest2163-21sendmail-msp08:58:500
9883994218cyclictest0-21swapper/010:10:430
9883994218cyclictest0-21swapper/010:10:430
9883994218cyclictest0-21swapper/010:10:430
9883994217cyclictest0-21swapper/012:36:540
9883994217cyclictest0-21swapper/012:36:540
9883994124cyclictest10909-21apt-get12:23:470
9883994124cyclictest10909-21apt-get12:23:470
9883994122cyclictest9811-21ssh11:17:550
9883994122cyclictest9811-21ssh11:17:550
9883994122cyclictest9811-21ssh11:17:550
9883994122cyclictest3392-21aten_r4power_vo12:08:480
9883994122cyclictest3392-21aten_r4power_vo12:08:480
9883994122cyclictest23709-21df08:03:480
9883994122cyclictest23709-21df08:03:480
9883994122cyclictest23709-21df08:03:480
9883994121cyclictest677-21ssh09:55:430
9883994121cyclictest677-21ssh09:55:430
9883994121cyclictest677-21ssh09:55:430
9883994121cyclictest20966-21ssh11:39:010
9883994121cyclictest20966-21ssh11:39:010
9883994121cyclictest20966-21ssh11:39:010
9883994121cyclictest17312-21ssh09:25:540
9883994121cyclictest17312-21ssh09:25:540
9883994121cyclictest17312-21ssh09:25:540
9883994121cyclictest16138-21sed11:29:030
9883994121cyclictest16138-21sed11:29:030
9883994121cyclictest12606-21/usr/sbin/munin07:23:500
9883994121cyclictest12606-21/usr/sbin/munin07:23:500
9883994121cyclictest12606-21/usr/sbin/munin07:23:500
9883994119cyclictest9303-21awk12:19:060
9883994119cyclictest9303-21awk12:19:060
9883994119cyclictest15812-21sendmail-msp10:42:360
9883994119cyclictest15812-21sendmail-msp10:42:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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