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2025-11-04 - 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: 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 rack4slot1.osadl.org (updated Tue Nov 04, 2025 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3268021770,5chrt0-21swapper/307:10:513
372121540,4sleep00-21swapper/008:50:410
2285521460,3sleep30-21swapper/310:50:123
2285521460,3sleep30-21swapper/310:50:123
987821220,4sleep30-21swapper/307:40:283
987821220,4sleep30-21swapper/307:40:283
2651021050,3sleep30-21swapper/311:35:493
2651021050,3sleep30-21swapper/311:35:493
239802990,2sleep00-21swapper/010:50:450
239802990,2sleep00-21swapper/010:50:450
318052860,3sleep031292-21ls07:10:400
219862830,4sleep30-21swapper/309:25:443
219862830,4sleep30-21swapper/309:25:443
174252800,3sleep10-21swapper/110:01:191
174252800,3sleep10-21swapper/110:01:191
314132790,3sleep30-21swapper/311:41:563
280732770,3sleep30-21swapper/308:30:233
280732770,3sleep30-21swapper/308:30:233
3852760,2sleep0151rcuc/011:44:340
303092730,2chrt30207-21/usr/sbin/munin08:35:380
303092730,2chrt30207-21/usr/sbin/munin08:35:380
321262720,3sleep10-21swapper/112:25:271
321262720,3sleep10-21swapper/112:25:271
326842700,5sleep20-21swapper/207:10:552
32730996922,12cyclictest27-21ksoftirqd/209:25:352
32730996922,12cyclictest27-21ksoftirqd/209:25:352
32729996611,49cyclictest28570-21ssh09:35:361
32729996611,49cyclictest28570-21ssh09:35:361
187512640,3sleep10-21swapper/112:07:061
187512640,3sleep10-21swapper/112:07:061
3272999628,36cyclictest106062sleep109:10:361
3272999628,36cyclictest106062sleep109:10:361
251742600,3chrt0-21swapper/211:35:242
218142600,2chrt0-21swapper/009:25:410
218142600,2chrt0-21swapper/009:25:410
250012580,4sleep124993-21apt-get09:30:371
250012580,4sleep124993-21apt-get09:30:371
213742580,3chrt0-21swapper/310:06:483
3272899534,40cyclictest24970-21ssh09:30:360
3272899534,40cyclictest24970-21ssh09:30:360
220422530,2sleep10-21swapper/111:30:411
196102530,3chrt0-21swapper/110:05:371
3272999522,40cyclictest10320-21diskmemload10:30:381
3272999522,40cyclictest10320-21diskmemload10:30:381
3272999522,40cyclictest10320-21diskmemload10:30:381
60632510,2sleep06090-21apt-get11:10:360
60632510,2sleep06090-21apt-get11:10:360
97442500,3sleep20-21swapper/211:15:392
312482490,2sleep30-21swapper/308:35:493
312482490,2sleep30-21swapper/308:35:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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