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2025-05-03 - 01:54
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Tue Apr 29, 2025 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1000521250,1sleep010008-21wc21:10:340
1906221230,2chrt19056-21ntpq20:22:310
2630621200,3chrt24755-21sendmail-msp21:42:510
2686221190,3chrt26863-21ls20:36:290
2279021180,3chrt22786-21ntpq22:43:160
729021160,2chrt4164-21sendmail-msp00:27:010
608121160,2chrt6082-21sh23:16:440
2914821150,2chrt27074-21sendmail-msp00:04:270
1523821150,2chrt15239-21sleep21:20:040
2955021140,3chrt29551-21latency_hist19:40:080
688721130,3chrt6888-21sleep22:11:010
1373221130,2chrt13733-21sleep00:40:060
2251621110,1chrt22512-21sshd19:26:290
34721100,2chrt344-21ld21:56:240
1057621100,2chrt10561-21diskstats20:06:110
1427021060,2chrt14269-21apt-get19:10:120
1010421050,2chrt10105-21sleep00:32:250
275422920,2sleep027543-21ssh22:54:120
91332880,2sleep09134-21cut22:15:490
63552870,2chrt6324-21diskstats21:01:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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