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2026-08-23 - 03:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Aug 23, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5183224422204,89sleep00-21swapper18:57:360
56409910716,28cyclictest12260-21ntpq19:37:240
56409910234,20cyclictest13942-21df_inode21:57:170
56409910217,64cyclictest29171-21ssh22:42:020
56409910215,65cyclictest3838-21fw_conntrack23:02:280
56409910213,69cyclictest1742-21/usr/sbin/munin22:56:590
56409910116,24cyclictest7671-21users21:38:150
56409910114,64cyclictest520-21fw_conntrack00:27:270
56409910019,44cyclictest9073-21irqstats23:17:360
56409910018,64cyclictest6539-21/usr/sbin/munin19:06:310
56409910018,62cyclictest27834-21df_inode00:12:220
56409910017,22cyclictest13624-21munin-run23:31:290
56409910016,60cyclictest31700-21users22:48:200
56409910015,66cyclictest32486-21munin-run00:26:270
5640999925,49cyclictest0-21swapper21:33:080
5640999918,44cyclictest30963-21fw_conntrack21:12:250
5640999916,45cyclictest32669-21fw_conntrack21:17:270
5640999914,64cyclictest6727-21munin-node00:06:360
5640999914,64cyclictest26700-21/usr/sbin/munin20:57:250
5640999914,61cyclictest1550-21apt-get21:21:470
5640999910,50cyclictest16091-21ssh23:37:550
564099989,68cyclictest29474-21ssh21:07:570
5640999829,51cyclictest0-21swapper22:22:150
5640999818,43cyclictest17369-21df_inode22:07:210
5640999818,19cyclictest3280-21apt-get21:26:510
5640999816,61cyclictest12222-21df_inode21:52:170
5640999815,63cyclictest10769-21irqstats23:22:360
5640999814,63cyclictest7254-21df_inode23:12:180
5640999814,63cyclictest5619-21irqstats23:07:390
5640999813,47cyclictest22077-21latency_hist22:21:290
5640999722,32cyclictest8178-21apt-get19:16:420
5640999718,23cyclictest22874-21memory23:57:510
5640999717,58cyclictest461-21irqstats22:52:370
5640999716,41cyclictest18119-21users23:43:160
5640999715,24cyclictest9914-21ssh21:45:540
564099969,25cyclictest27930-21awk22:37:540
5640999642,36cyclictest14366-21ntp_kernel_pll_23:32:530
5640999616,60cyclictest19216-21irqstats22:12:410
5640999615,64cyclictest0-21swapper22:30:180
5640999615,42cyclictest10532-21fw_conntrack21:47:260
5640999615,24cyclictest21067-21irqstats23:52:360
5640999615,20cyclictest27117-21apt-get21:01:550
564099959,47cyclictest20710-21sort20:26:280
564099959,47cyclictest13680-21aten_r5power_vo19:46:490
5640999512,63cyclictest24629-21df_abs20:46:580
5640999512,60cyclictest16646-21ssh22:05:150
5640999512,24cyclictest26856-21ssh22:34:420
5640999510,64cyclictest24151-21aten_r5power_po00:02:000
5640999510,62cyclictest30343-21ssh00:19:160
5640999326,20cyclictest19721-21sed20:17:310
5640999314,40cyclictest18885-21apt-get23:46:480
5640999310,45cyclictest7532-21grep19:11:590
564099928,25cyclictest18498-21missed_timers20:12:170
5640999216,56cyclictest7164-21munin-run19:11:260
5640999119,25cyclictest16675-21memory20:02:140
5640999118,24cyclictest22096-21/usr/sbin/munin20:32:150
5640999116,56cyclictest17867-21sort20:07:300
5640999016,39cyclictest9066-21apt-get19:21:440
5640999015,55cyclictest23889-21cat20:42:160
5640999010,60cyclictest13416-21grep19:42:340
5640999010,23cyclictest11097-21grep19:31:560
5640998818,22cyclictest25496-21df20:51:550
5640998811,59cyclictest21241-21sshd20:27:200
5640998728,26cyclictest15442-21aten_r5power_en19:56:490
5640998719,23cyclictest14752-21df_inode19:52:010
5640998715,23cyclictest22588-21/usr/sbin/munin20:37:260
5640998611,26cyclictest14207-21snmpd19:27:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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