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2026-05-22 - 11:36
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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 Fri May 22, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1107221630,5sleep31281099cyclictest01:59:223
2992421450,3sleep21280299cyclictest22:19:122
1742221410,3sleep01278999cyclictest20:44:160
1068911040,3ptp4l401ktimersoftd/320:38:093
115222930,4sleep111526-21gltestperf22:44:121
1278999661,34cyclictest5702-21diskmemload22:50:420
98492650,4sleep21280299cyclictest22:42:322
1278999610,32cyclictest8811-21grep01:24:260
106891600,1ptp4l401ktimersoftd/323:44:533
1278999590,2cyclictest0-21swapper/023:27:430
125922593,10sleep20-21swapper/220:37:392
106891590,1ptp4l401ktimersoftd/323:16:193
106891580,1ptp4l401ktimersoftd/322:56:223
1278999571,27cyclictest4163-21awk23:09:110
1278999571,27cyclictest3761-21ssh23:41:220
1278999571,27cyclictest3761-21ssh23:41:220
1278999570,4cyclictest17749-21ssh23:23:370
1278999561,29cyclictest9423-21/usr/sbin/munin23:14:140
1278999561,27cyclictest6355-21snmp_o5powerctl21:29:160
1278999551,27cyclictest0-21swapper/000:57:270
147802530,2sleep10-21swapper/123:53:141
1278999530,29cyclictest14628-21ssh01:30:260
1278999530,27cyclictest29923-21ssh00:40:230
124932534,38sleep00-21swapper/020:36:200
1278999511,28cyclictest2386-21ssh00:45:190
1278999511,27cyclictest22287-21ssh22:54:140
1278999510,28cyclictest13560-21timedrift21:44:210
143291500,5getstats1281099cyclictest00:10:573
1278999501,29cyclictest16167-21ssh00:27:030
1278999500,2cyclictest0-21swapper/001:04:500
1278999491,26cyclictest19003-21sh23:57:030
1278999491,25cyclictest25131-21seq21:02:180
1278999490,2cyclictest0-21swapper/001:56:290
1278999482,39cyclictest30388-21apt-get00:09:070
1278999481,26cyclictest1393-21ssh01:49:280
1278999480,2cyclictest0-21swapper/001:21:200
1278999480,2cyclictest0-21swapper/001:21:200
106891480,1ptp4l401ktimersoftd/323:36:153
1278999470,28cyclictest13934-21ssh22:46:060
1278999470,27cyclictest5702-21diskmemload00:08:270
1278999470,27cyclictest29229-21sed23:34:130
1278999462,36cyclictest20537-21apt-get23:59:070
1278999460,2cyclictest0-21swapper/023:49:350
106891460,0ptp4l401ktimersoftd/301:22:333
106891460,0ptp4l401ktimersoftd/301:22:333
1278999451,32cyclictest5702-21diskmemload02:05:260
1278999451,29cyclictest25000-21ssh01:41:030
1278999450,3cyclictest9632-21ssh23:47:540
1278999450,30cyclictest2270-21ssh23:07:290
1278999450,2cyclictest0-21swapper/000:51:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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