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2026-05-24 - 13:36
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Sun May 24, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1566722240,4sleep20-21swapper/220:35:272
841021630,6sleep31631499cyclictest21:29:583
106891950,4ptp4l401ktimersoftd/320:37:013
106891890,12ptp4l401ktimersoftd/301:25:233
55992730,2sleep20-21swapper/201:50:582
214662700,3sleep20-21swapper/200:30:162
161602634,10sleep00-21swapper/020:39:340
106891630,1ptp4l401ktimersoftd/300:48:393
16293995913,14cyclictest4997-21snmp_o5powerctl01:50:330
16293995912,16cyclictest9431-21diskmemload00:22:130
16293995912,16cyclictest9431-21diskmemload00:22:130
16293995911,11cyclictest14108-21ssh23:50:020
106891590,1ptp4l401ktimersoftd/302:01:153
106891590,1ptp4l401ktimersoftd/302:01:153
16314995845,7cyclictest41-21ksoftirqd/300:00:143
16293995816,38cyclictest26037-21ssh01:40:190
16293995812,16cyclictest32629-21ssh01:45:350
16293995714,11cyclictest30598-21/usr/sbin/munin00:05:280
16293995712,16cyclictest9431-21diskmemload01:04:080
106891570,1ptp4l401ktimersoftd/322:34:243
106891570,1ptp4l401ktimersoftd/300:07:053
16293995612,11cyclictest9431-21diskmemload23:43:190
16293995612,10cyclictest6359-21ssh01:20:210
16293995612,10cyclictest17061-21cat23:20:020
16293995513,14cyclictest30661-21ssh00:39:560
16293995512,10cyclictest30139-21/usr/sbin/munin01:10:330
16293995511,8cyclictest19318-21apt-get23:55:140
16293995511,8cyclictest14420-21apt-get23:50:150
16293995511,16cyclictest9431-21diskmemload00:52:460
16293995511,14cyclictest4924-21ssh00:12:560
16293995511,14cyclictest26867-21ssh22:55:480
16293995511,14cyclictest2250-21ssh00:43:240
16293995511,14cyclictest18867-21ssh01:32:290
16293995510,16cyclictest30861-21ssh23:33:410
14292550,3sleep21630399cyclictest23:35:312
13172550,2sleep00-21swapper/021:14:580
106891550,1ptp4l401ktimersoftd/322:58:243
106891550,1ptp4l401ktimersoftd/300:23:573
106891550,1ptp4l401ktimersoftd/300:23:573
16293995412,9cyclictest4944-21ptp4l00:45:270
16293995412,13cyclictest21850-21ssh02:08:310
16293995412,12cyclictest9431-21diskmemload01:55:230
16293995412,10cyclictest21630-21/usr/sbin/munin22:50:290
16293995411,17cyclictest9431-21diskmemload01:17:410
16293995411,14cyclictest25695-21ssh23:28:190
16293995411,11cyclictest9431-21diskmemload00:30:360
16293995410,11cyclictest9431-21diskmemload01:05:080
20972530,1sleep10-21swapper/101:48:241
16293995314,17cyclictest1543-21/usr/sbin/munin21:15:160
16293995313,9cyclictest7477-21phc2sys-jitter21:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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