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2025-09-18 - 00:58
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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 Wed Sep 17, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1208421780,3sleep12951899cyclictest12:41:201
3023821670,5sleep02951199cyclictest09:49:000
2667121600,5sleep12951899cyclictest11:01:311
2844421330,4sleep30-21swapper/307:36:203
2125121310,5sleep02951199cyclictest10:56:160
231132800,18sleep20-21swapper/211:37:302
176762690,4sleep32953199cyclictest08:21:153
177391670,1ptp4l401ktimersoftd/312:59:423
29522996557,4cyclictest33-21ksoftirqd/211:56:172
291882604,45sleep00-21swapper/007:38:040
177391600,1ptp4l401ktimersoftd/311:11:573
177391600,1ptp4l401ktimersoftd/311:11:573
29511995852,3cyclictest9-21ksoftirqd/010:06:110
177391580,1ptp4l401ktimersoftd/312:10:553
29511995751,3cyclictest9-21ksoftirqd/007:41:080
278142570,2sleep20-21swapper/212:59:322
29511995548,4cyclictest9-21ksoftirqd/013:01:170
29511995548,4cyclictest9-21ksoftirqd/013:01:170
29511995548,4cyclictest9-21ksoftirqd/008:56:110
29511995448,3cyclictest9-21ksoftirqd/011:26:150
29511995448,3cyclictest9-21ksoftirqd/008:26:100
29511995347,3cyclictest9-21ksoftirqd/010:31:140
29511995245,4cyclictest9-21ksoftirqd/009:01:080
29511995244,4cyclictest9-21ksoftirqd/009:56:110
29511994942,4cyclictest9-21ksoftirqd/011:11:130
29511994942,4cyclictest9-21ksoftirqd/011:11:130
177391490,2ptp4l4425-21kworker/3:112:27:163
177391490,1ptp4l401ktimersoftd/311:38:073
29511994842,3cyclictest9-21ksoftirqd/012:36:170
29522994736,5cyclictest33-21ksoftirqd/212:26:142
29522994733,8cyclictest33-21ksoftirqd/210:41:132
29511994740,4cyclictest9-21ksoftirqd/009:26:110
29511994740,4cyclictest9-21ksoftirqd/009:26:110
29511994740,3cyclictest9-21ksoftirqd/008:01:100
29511994739,4cyclictest9-21ksoftirqd/008:31:110
177391470,1ptp4l401ktimersoftd/313:03:033
177391470,1ptp4l401ktimersoftd/313:03:033
177391460,1ptp4l401ktimersoftd/312:12:533
177391460,1ptp4l401ktimersoftd/311:34:563
29511994529,8cyclictest9-21ksoftirqd/012:11:320
177391450,11ptp4l401ktimersoftd/309:49:553
29522994434,6cyclictest33-21ksoftirqd/212:11:152
29522994329,7cyclictest33-21ksoftirqd/210:11:142
29511994236,3cyclictest9-21ksoftirqd/010:26:040
29511994235,4cyclictest9-21ksoftirqd/009:06:120
29511994234,4cyclictest9-21ksoftirqd/011:31:140
29511994216,4cyclictest9-21ksoftirqd/011:46:580
29511994210,5cyclictest9-21ksoftirqd/012:41:180
2923624221,11sleep125-21ksoftirqd/107:38:411
177391420,2ptp4l26997-21kworker/3:210:30:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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