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2024-07-12 - 23:01
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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 20 highest latencies:
System rackbslot2.osadl.org (updated Sat Jun 29, 2024 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9432822233203,19sleep00-21swapper/007:07:340
9433722230200,19sleep20-21swapper/207:08:452
9431782229199,19sleep30-21swapper/307:06:143
9433562224195,19sleep10-21swapper/107:08:321
943648997368,3cyclictest1119445-21latency_hist12:00:011
943648995352,0cyclictest0-21swapper/111:05:001
943650994946,2cyclictest992286-21kworker/u8:0+events_unbound09:20:402
943655994440,3cyclictest1116224-21gpgv11:55:003
943655994339,3cyclictest1053642-21apt-get10:10:123
943650994340,2cyclictest955796-21kworker/u8:3+events_unbound07:45:352
943650994239,2cyclictest1100553-21kworker/u8:1+events_unbound11:30:342
943644994228,13cyclictest89-1kworker/0:1H+kblockd11:53:380
943650994138,2cyclictest931308-21kworker/u8:0+events_unbound07:50:052
943650994137,2cyclictest1123138-21kworker/u8:4+events_unbound12:25:042
943644994136,3cyclictest1063096-21apt-get10:25:160
943650994038,2cyclictest998229-21kworker/u8:2+events_unbound09:17:012
943650994037,2cyclictest992286-21kworker/u8:0+events_unbound09:25:132
943648994034,4cyclictest986638-21ntpq08:20:021
943655993928,0cyclictest2956953-21snmpd08:21:033
943650993937,2cyclictest1076953-21kworker/u8:1+events_unbound11:00:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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