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2025-12-08 - 08:02
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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 Mon Dec 08, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
993125060,7sleep29935-21phc2sys-jitter20:21:292
1985421510,5sleep01093799cyclictest00:31:130
1773911020,4ptp4l401ktimersoftd/320:23:023
95122790,5sleep39513-21sed21:26:403
208502710,2sleep30-21swapper/322:44:003
177391680,1ptp4l401ktimersoftd/323:37:353
4482670,4sleep3446-21grep22:16:303
31352670,2sleep20-21swapper/200:46:452
10937996526,6cyclictest9-21ksoftirqd/020:26:070
177391580,1ptp4l401ktimersoftd/323:11:523
177391580,1ptp4l401ktimersoftd/322:51:473
177391570,1ptp4l401ktimersoftd/323:20:163
10937995746,6cyclictest9-21ksoftirqd/000:11:250
10937995646,5cyclictest9-21ksoftirqd/022:41:230
177391550,1ptp4l401ktimersoftd/300:02:033
177391540,1ptp4l401ktimersoftd/301:05:343
177391540,1ptp4l401ktimersoftd/301:05:343
10937995443,6cyclictest9-21ksoftirqd/000:21:300
10937995443,5cyclictest9-21ksoftirqd/022:21:250
192102530,2sleep00-21swapper/023:17:060
10937995346,4cyclictest9-21ksoftirqd/000:01:160
10937995341,6cyclictest9-21ksoftirqd/022:16:230
1094799514,19cyclictest2794-21tr23:36:252
1094799513,13cyclictest15171-21sed20:31:282
1094799501,12cyclictest26631-21/usr/sbin/munin00:01:332
10937994939,5cyclictest9-21ksoftirqd/020:41:200
10937994918,4cyclictest9-21ksoftirqd/023:21:400
10937994918,4cyclictest9-21ksoftirqd/023:21:400
156452480,2sleep00-21swapper/001:38:500
1094799481,12cyclictest25293-21grep01:51:272
177391470,1ptp4l401ktimersoftd/300:24:023
1094799471,13cyclictest11731-21apt-get23:46:242
10937994736,6cyclictest9-21ksoftirqd/001:01:250
10937994736,6cyclictest9-21ksoftirqd/001:01:250
1094799462,20cyclictest29992-21sed21:01:352
1094799462,19cyclictest12443-21sed21:36:082
1094799462,19cyclictest12443-21sed21:36:082
177391450,2ptp4l20527-21kworker/3:123:45:363
177391450,1ptp4l401ktimersoftd/321:12:223
10937994519,3cyclictest9-21ksoftirqd/022:31:260
320452440,1sleep10-21swapper/100:07:131
1094799446,6cyclictest20949-21sh22:44:122
1094799442,16cyclictest16110-21/usr/sbin/munin01:01:332
1094799442,16cyclictest16110-21/usr/sbin/munin01:01:332
1094799441,11cyclictest3907-21diskmemload01:24:362
1094799440,12cyclictest3907-21diskmemload23:02:452
1094799440,12cyclictest13222-21idleruntime23:11:282
1094799440,11cyclictest987-21taskset00:09:582
1094799440,11cyclictest23072-21sensors23:21:352
1094799440,11cyclictest23072-21sensors23:21:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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