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2026-05-19 - 19:30
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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 Tue May 19, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16231224032164,185sleep00-21swapper07:06:020
162759910435,51cyclictest0-21swapper12:24:160
162759910426,69cyclictest0-21swapper12:05:280
162759910418,24cyclictest20072-21apt-get11:21:310
162759910345,21cyclictest22371-21diskmemload11:27:310
162759910318,61cyclictest6842-21df_inode12:16:580
162759910317,24cyclictest32606-21memory11:57:250
162759910313,27cyclictest1992-21cat10:27:460
162759910215,23cyclictest13465-21/usr/sbin/munin11:01:500
162759910211,27cyclictest26350-21ssh10:04:500
162759910118,22cyclictest23869-21fw_conntrack11:32:070
162759910117,45cyclictest6417-21df_inode09:07:010
162759910117,23cyclictest20309-21irqstats09:47:170
162759910114,23cyclictest31115-21users10:17:520
162759910110,28cyclictest18780-21ssh11:17:130
162759910017,62cyclictest10447-21memory12:27:280
162759910017,23cyclictest21934-21df_inode09:52:030
162759910015,44cyclictest27370-21irqstats11:42:140
162759910013,49cyclictest28595-21snmpd11:50:340
162759910011,27cyclictest6454-21wget10:41:390
1627599999,26cyclictest4316-21aten_r5power_po08:56:290
16275999918,60cyclictest16623-21apt-get11:11:330
16275999917,44cyclictest12172-21memory12:32:330
16275999914,25cyclictest12968-21/usr/sbin/munin09:26:160
16275999913,64cyclictest29415-21/usr/sbin/munin10:13:000
16275999911,68cyclictest9581-21ssh09:16:330
16275999911,27cyclictest27307-21ssh10:07:300
16275999910,28cyclictest12739-21ssh10:59:270
16275999815,66cyclictest5947-21/usr/sbin/munin09:06:090
16275999812,49cyclictest3234-21ssh10:32:010
16275999811,65cyclictest5109-21ssh12:11:560
16275999811,49cyclictest19083-21/usr/sbin/munin09:42:520
16275999715,63cyclictest10016-21df10:51:480
16275999714,62cyclictest303-21ssh10:22:510
16275999714,44cyclictest8579-21memory10:47:290
16275999637,44cyclictest0-21swapper08:51:180
16275999618,55cyclictest23651-21df_inode09:57:020
16275999616,23cyclictest30799-21irqstats11:52:160
16275999615,43cyclictest21233-21users07:27:160
16275999614,62cyclictest25215-21/usr/sbin/munin11:36:420
16275999538,39cyclictest0-21swapper07:16:250
16275999517,23cyclictest5545-21users10:37:550
16275999514,60cyclictest3437-21fw_conntrack12:07:090
16275999514,24cyclictest28595-21snmpd09:13:240
16275999513,24cyclictest16025-21ssh11:08:470
16275999512,44cyclictest17308-21chmod07:11:110
16275999510,63cyclictest15149-21ssh09:32:190
16275999414,60cyclictest18571-21munin-run07:16:060
16275999411,60cyclictest28394-21sed08:07:130
16275999410,61cyclictest12267-21ssh09:23:110
16275999332,41cyclictest31452-21ls08:26:310
16275999310,45cyclictest17402-21ssh09:38:010
1627599929,64cyclictest25766-21sendmail07:56:050
16275999211,62cyclictest23882-21sort07:42:100
16275999210,62cyclictest32648-21ntpq08:32:000
1627599919,22cyclictest24598-21ps07:47:050
16275999118,52cyclictest23046-21users07:37:130
16275999116,24cyclictest1029-21memory08:36:540
16275999112,59cyclictest26780-21/usr/sbin/munin08:02:110
1627599898,64cyclictest21461-21basename07:31:290
16275998915,58cyclictest1827-21fw_conntrack08:41:430
16275998817,22cyclictest30294-21munin-run08:21:060
16275998810,58cyclictest3301-21sort08:51:100
1627599879,60cyclictest20216-21switchtime07:22:090
16275998717,24cyclictest26358-21ntp_states07:57:010
16275998715,22cyclictest28975-21memory08:11:550
16275998511,27cyclictest30407-21/usr/sbin/munin08:21:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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