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2025-05-09 - 10:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 20 highest latencies:
System rack5slot7.osadl.org (updated Fri May 09, 2025 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14341224062171,180sleep00-21swapper17:45:550
155979910536,50cyclictest0-21swapper21:10:310
155979910531,50cyclictest1574-21df21:21:180
155979910529,53cyclictest22445-21apt-get20:45:550
155979910432,54cyclictest0-21swapper21:33:030
155979910427,52cyclictest24398-21df_inode20:51:290
155979910418,62cyclictest32168-21apt-get21:15:550
155979910327,34cyclictest1182-21apt-get23:00:550
155979910315,23cyclictest28939-21apt-get22:45:530
155979910310,69cyclictest27409-21ssh22:41:070
155979910217,67cyclictest0-21swapper19:56:150
155979910038,35cyclictest24414-21apt-get18:40:490
155979910020,54cyclictest4344-21grep23:11:000
155979910017,22cyclictest13122-21fw_conntrack20:16:310
155979910016,23cyclictest16888-21users22:07:210
155979910014,45cyclictest14039-21ssh21:59:460
15597999934,30cyclictest0-21swapper22:19:460
15597999932,50cyclictest0-21swapper20:12:310
15597999916,46cyclictest17952-21fw_conntrack22:11:330
15597999911,67cyclictest20903-21aten_r5power_en20:41:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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