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2024-05-23 - 18:41
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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
Characteristics of the 100 highest latencies:
System rack7slot1.osadl.org (updated Thu May 23, 2024 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24111211853,59sleep30-21swapper/33
24168211552,23sleep10-21swapper/11
24202211451,57sleep00-21swapper/00
24034210145,50sleep20-21swapper/22
272602720,1sleep132577-21stress1
99052600,1sleep332577-21stress3
116462580,1sleep332575-21stress3
24441994328,12cyclictest0-21swapper/22
169362425,13sleep20-21swapper/22
284802405,13sleep30-21swapper/33
2444199406,13cyclictest0-21swapper/22
143582405,13sleep20-21swapper/22
80722395,12sleep20-21swapper/22
314802395,13sleep20-21swapper/22
309762395,13sleep30-21swapper/33
2444099399,22cyclictest0-21swapper/11
2444099397,22cyclictest0-21swapper/11
2444099396,25cyclictest0-21swapper/11
106562395,13sleep30-21swapper/33
84842385,13sleep00-21swapper/00
47672385,13sleep20-21swapper/22
24443993815,21cyclictest0-21swapper/33
24443993810,25cyclictest0-21swapper/33
2444199385,22cyclictest0-21swapper/22
24441993815,21cyclictest0-21swapper/22
24439993811,17cyclictest0-21swapper/00
200232385,13sleep30-21swapper/33
200232385,13sleep30-21swapper/33
140882385,13sleep30-21swapper/33
110662385,13sleep20-21swapper/22
67782370,1sleep332575-21stress3
24443993710,24cyclictest0-21swapper/33
24441993716,18cyclictest0-21swapper/22
2444099376,21cyclictest0-21swapper/11
2444099376,21cyclictest0-21swapper/11
24440993719,16cyclictest0-21swapper/11
24439993711,23cyclictest0-21swapper/00
226212375,13sleep00-21swapper/00
137902375,13sleep00-21swapper/00
128572375,13sleep20-21swapper/22
110692375,14sleep00-21swapper/00
76452365,11sleep10-21swapper/11
50832365,10sleep20-21swapper/22
290602364,13sleep30-21swapper/33
263362365,10sleep20-21swapper/22
263162364,12sleep30-21swapper/33
262202365,13sleep00-21swapper/00
24443993615,19cyclictest0-21swapper/33
24443993610,23cyclictest0-21swapper/33
2444199364,29cyclictest0-21swapper/22
2444099367,20cyclictest0-21swapper/11
2444099365,22cyclictest0-21swapper/11
24440993613,20cyclictest0-21swapper/11
24439993613,20cyclictest0-21swapper/00
233282365,12sleep00-21swapper/00
16702365,12sleep00-21swapper/00
148182365,11sleep30-21swapper/33
278692350,3sleep30-21swapper/33
278692350,3sleep30-21swapper/33
24443993515,17cyclictest0-21swapper/33
24443993512,20cyclictest0-21swapper/33
24443993511,21cyclictest0-21swapper/33
24443993511,21cyclictest0-21swapper/33
24443993510,23cyclictest0-21swapper/33
24443993510,22cyclictest0-21swapper/33
24443993510,22cyclictest0-21swapper/33
2444199356,26cyclictest0-21swapper/22
2444199355,20cyclictest0-21swapper/22
24441993519,13cyclictest0-21swapper/22
24439993511,17cyclictest0-21swapper/00
232912355,12sleep00-21swapper/00
232732355,10sleep10-21swapper/11
15302355,10sleep20-21swapper/22
75882344,13sleep30-21swapper/33
291742345,10sleep20-21swapper/22
259242345,10sleep20-21swapper/22
24443993415,17cyclictest0-21swapper/33
24443993411,22cyclictest0-21swapper/33
24443993411,20cyclictest0-21swapper/33
24443993411,20cyclictest0-21swapper/33
24443993411,20cyclictest0-21swapper/33
24443993411,20cyclictest0-21swapper/33
2444199346,25cyclictest0-21swapper/22
2444199346,25cyclictest0-21swapper/22
24441993415,16cyclictest0-21swapper/22
2444099348,24cyclictest0-21swapper/11
2444099348,24cyclictest0-21swapper/11
2444099348,24cyclictest0-21swapper/11
2444099348,24cyclictest0-21swapper/11
2444099345,20cyclictest0-21swapper/11
2444099345,20cyclictest0-21swapper/11
2444099343,21cyclictest0-21swapper/11
24440993417,15cyclictest0-21swapper/11
24440993417,15cyclictest0-21swapper/11
24440993417,15cyclictest0-21swapper/11
24440993410,22cyclictest0-21swapper/11
24440993410,22cyclictest0-21swapper/11
2443999348,20cyclictest0-21swapper/00
2443999346,25cyclictest0-21swapper/00
2443999346,25cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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