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2026-01-01 - 05:21
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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 a total of 3620 SMIs that occured during the measurement.
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack6slot4.osadl.org (updated Wed Dec 31, 2025 13:16:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,6448
"cycles":100000000,6447
"load":"idle",6446
"condition":{6445
"clock":"1100"6443
"family":"x86",6442
"vendor":"Intel",6441
"processor":{6439
"dataset":"2024-01-08T03:36:49+01:00"6437
"origin":"2024-01-08T00:43:22+01:00",6436
"timestamps":{6435
"granularity":"microseconds"6433
"maxima":[6429
"cores":[5221
"latency":{5220
"hostname":"rack6slot4.osadl.org"5218
"system":{5217
"version":"1.0",5214
"format":{5213
"patches":[5204
2579399369357,7cyclictest14115-21perl0
2579399368356,8cyclictest0-21swapper/00
2579399366357,5cyclictest0-21swapper/00
2579399365356,5cyclictest0-21swapper/00
2579499361350,6cyclictest19595-21kworker/1:0+kec_query1
2579499359348,6cyclictest19595-21kworker/1:0+kec_query1
2579499357346,6cyclictest19595-21kworker/1:0+kec_query1
2579499356345,6cyclictest23250-21kworker/1:1+kec_query1
2579399355346,5cyclictest0-21swapper/00
2579399355345,6cyclictest0-21swapper/00
2579399355343,7cyclictest22768-21memory0
2579399354345,5cyclictest0-21swapper/00
2579399354345,5cyclictest0-21swapper/00
2579399354345,5cyclictest0-21swapper/00
2579399354341,8cyclictest13713-21apt-get0
25793993541,345cyclictest25664-21rm0
2579399353338,9cyclictest25860-21diskstats0
2579399352343,5cyclictest0-21swapper/00
2579399352343,5cyclictest0-21swapper/00
25793993521,345cyclictest0-21swapper/00
2579499351340,6cyclictest19595-21kworker/1:0+kec_query1
2579499351340,6cyclictest19595-21kworker/1:0+kec_query1
2579499351340,6cyclictest19595-21kworker/1:0+kec_query1
2579399351342,5cyclictest0-21swapper/00
2579399351342,5cyclictest0-21swapper/00
2579399351342,5cyclictest0-21swapper/00
2579399351339,7cyclictest12136-21irqstats0
2579399350341,5cyclictest0-21swapper/00
2579399350341,5cyclictest0-21swapper/00
2579399350341,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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