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2025-12-27 - 23:32
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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 Sat Dec 27, 2025 13:16:14)
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
2383699373364,5cyclictest0-21swapper/00
23836993692,349cyclictest10717-21df0
23836993662,356cyclictest7547-21hddtemp_smartct0
2383699364353,6cyclictest5049-21kworker/0:2+kec_query0
2383699363352,6cyclictest5049-21kworker/0:2+kec_query0
2383699363352,6cyclictest5049-21kworker/0:2+kec_query0
2383699363352,6cyclictest26256-21kworker/0:0+kec_query0
2383799360349,6cyclictest9267-21kworker/1:0+kec_query1
2383699360349,6cyclictest5049-21kworker/0:2+kec_query0
2383799359348,6cyclictest3757-21kworker/1:1+kec_query1
2383699359347,7cyclictest32396-21kworker/0:1+kec_query0
2383699359347,7cyclictest32396-21kworker/0:1+kec_query0
2383799357346,7cyclictest29350-21kworker/1:2+kec_query1
23836993571,349cyclictest15733-21sed0
2383699356345,6cyclictest10952-21kworker/0:0+kec_query0
2383799355343,7cyclictest9267-21kworker/1:0+kec_query1
23836993551,347cyclictest0-21swapper/00
2383699354343,6cyclictest32396-21kworker/0:1+kec_query0
2383699354343,6cyclictest26256-21kworker/0:0+kec_query0
2383699354342,7cyclictest5049-21kworker/0:2+kec_query0
2383699353340,9cyclictest12450irq/122-ahci[0000:00:12.0]0
2383799352340,6cyclictest9267-21kworker/1:0+kec_query1
2383699352343,5cyclictest0-21swapper/00
2383699351339,7cyclictest5049-21kworker/0:2+kec_query0
2383799350339,6cyclictest9267-21kworker/1:0+kec_query1
2383699350341,5cyclictest0-21swapper/00
2383699350339,6cyclictest5049-21kworker/0:2+kec_query0
2383799349338,6cyclictest3757-21kworker/1:1+kec_query1
2383699349337,7cyclictest10952-21kworker/0:0+kec_query0
2383799348337,6cyclictest9267-21kworker/1:0+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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