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2025-06-17 - 02:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack1slot8.osadl.org (updated Tue Jun 17, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161519918951818,51cyclictest0-21swapper/019:11:400
16152994914,466cyclictest0-21swapper/119:11:411
160232182161,15sleep10-21swapper/119:09:041
161519911187,18cyclictest0-21swapper/019:54:000
161519910213,66cyclictest0-21swapper/000:23:580
161519910111,73cyclictest0-21swapper/020:51:000
161519910014,65cyclictest0-21swapper/023:59:590
161519910014,65cyclictest0-21swapper/023:59:580
16151999812,67cyclictest0-21swapper/021:42:590
1615299906,37cyclictest0-21swapper/121:36:031
16152998412,34cyclictest0-21swapper/121:43:001
1615199846,13cyclictest21036-21ssh23:43:580
16151998410,59cyclictest0-21swapper/000:02:580
40912830,4sleep04093-21cpu00:10:160
16152998116,28cyclictest0-21swapper/123:43:591
16152998114,32cyclictest0-21swapper/119:18:591
216899800,5rtkit-daemon2167-21rtkit-daemon22:25:520
216899800,4rtkit-daemon2167-21rtkit-daemon00:08:450
16152998013,31cyclictest0-21swapper/122:09:581
16152997915,28cyclictest0-21swapper/119:42:001
16152997913,35cyclictest0-21swapper/122:42:591
16152997911,34cyclictest0-21swapper/120:15:591
16152997817,30cyclictest0-21swapper/122:12:591
16152997815,31cyclictest0-21swapper/123:27:591
136782780,3sleep113677-21open_inodes23:30:271
1615299775,40cyclictest0-21swapper/100:32:431
16152997717,28cyclictest0-21swapper/100:14:231
16152997717,27cyclictest0-21swapper/122:17:581
16152997715,34cyclictest0-21swapper/121:08:591
16152997715,32cyclictest0-21swapper/123:06:591
16152997712,28cyclictest0-21swapper/120:49:591
1615199772,69cyclictest25632-21missed_timers22:00:200
16152997617,31cyclictest0-21swapper/123:54:581
16152997615,28cyclictest0-21swapper/121:11:591
16152997615,28cyclictest0-21swapper/121:11:591
16152997614,31cyclictest0-21swapper/121:51:001
16152997611,33cyclictest0-21swapper/119:37:591
16152997611,29cyclictest0-21swapper/121:46:591
16151997630,40cyclictest0-21swapper/022:50:580
16152997518,28cyclictest0-21swapper/100:09:581
16152997514,31cyclictest0-21swapper/120:28:591
16152997514,30cyclictest0-21swapper/123:12:591
16152997514,30cyclictest0-21swapper/123:12:581
16152997417,30cyclictest0-21swapper/119:58:591
16152997414,31cyclictest0-21swapper/119:25:591
16152997413,30cyclictest0-21swapper/100:21:581
16152997413,27cyclictest0-21swapper/120:52:001
16152997410,33cyclictest0-21swapper/100:25:581
16152997410,29cyclictest0-21swapper/122:53:591
1615199748,59cyclictest0-21swapper/000:30:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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