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2025-05-03 - 02:09
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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 rack9slot4.osadl.org (updated Fri May 02, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209701135108sleep0-21swapper/121:12:091
211569911935cyclictest27187-21sshd00:57:580
211569911131cyclictest8881-21latency_hist22:17:200
211569911038cyclictest9296-21latency_hist01:47:270
21156991088cyclictest0-21swapper/000:17:520
21156991088cyclictest0-21swapper/000:17:520
211569910736cyclictest7325-21latency_hist22:12:190
211569910634cyclictest16083-21ntp_states22:37:540
211569910633cyclictest2662-21latency_hist21:57:200
20895110671sleep0-21swapper/021:12:030
211569910428cyclictest0-21swapper/022:27:200
211569910128cyclictest16244-21if_err_eth102:07:490
211569910026cyclictest18422-21latency_hist00:32:240
21156999926cyclictest30658-21latency_hist23:27:220
2115699987cyclictest0-21swapper/000:03:570
21156999831cyclictest0-21swapper/001:47:260
21156999729cyclictest9602-21cat22:17:440
21156999728cyclictest0-21swapper/023:06:000
21156999720cyclictest24850-21latency_hist02:37:270
21156999630cyclictest12977-21systemd-cgroups22:27:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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