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2026-03-22 - 09:37
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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 3618 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 100 highest latencies:
System rack6slot4.osadl.org (updated Sun Mar 22, 2026 01:16:21)
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
3213599380369,6cyclictest14123-21kworker/1:1+kec_query1
32135993729,357cyclictest5250irq/9-acpi1
32135993729,357cyclictest5250irq/9-acpi1
3213599370358,7cyclictest14123-21kworker/1:1+kec_query1
3213599368357,6cyclictest14123-21kworker/1:1+kec_query1
3213199362353,5cyclictest0-21swapper/00
32131993612,353cyclictest0-21swapper/00
3213599360349,6cyclictest14123-21kworker/1:1+kec_query1
32135993593,4cyclictest5250irq/9-acpi1
3213199358349,5cyclictest0-21swapper/00
32131993572,349cyclictest0-21swapper/00
3213599356344,6cyclictest14123-21kworker/1:1+kec_query1
3213199356347,5cyclictest0-21swapper/00
32131993562,349cyclictest0-21swapper/00
32131993561,3cyclictest0-21swapper/00
3213199355346,5cyclictest0-21swapper/00
3213199355341,8cyclictest17482-21sshd0
32131993552,346cyclictest18565-21ssh0
3213199354345,5cyclictest0-21swapper/00
3213599353343,5cyclictest14123-21kworker/1:1+kec_query1
3213599353342,6cyclictest14123-21kworker/1:1+kec_query1
3213199353342,6cyclictest14609-21ssh0
32131993532,344cyclictest11330-21ssh0
32131993531,6cyclictest14943-21diskmemload0
32131993531,346cyclictest7200-21ssh0
3213599352341,6cyclictest14123-21kworker/1:1+kec_query1
32131993523,7cyclictest27277-21diskstats0
3213199352343,5cyclictest0-21swapper/00
3213199352343,5cyclictest0-21swapper/00
3213199352343,5cyclictest0-21swapper/00
3213199352338,7cyclictest22891-21ntp_states0
32131993521,345cyclictest0-21swapper/00
3213599349338,6cyclictest14123-21kworker/1:1+kec_query1
3213599349337,7cyclictest14123-21kworker/1:1+kec_query1
3213199349340,5cyclictest0-21swapper/00
3213199349340,5cyclictest0-21swapper/00
3213199348339,5cyclictest0-21swapper/00
3213199348339,5cyclictest0-21swapper/00
3213599347337,5cyclictest14123-21kworker/1:1+kec_query1
3213599347336,6cyclictest14123-21kworker/1:1+kec_query1
3213599347336,6cyclictest14123-21kworker/1:1+kec_query1
3213599347336,6cyclictest14123-21kworker/1:1+kec_query1
3213599347335,6cyclictest14123-21kworker/1:1+kec_query1
3213599347334,8cyclictest14123-21kworker/1:1+kec_query1
3213199347338,5cyclictest0-21swapper/00
3213199347338,5cyclictest0-21swapper/00
3213199347336,6cyclictest18547-21perl0
3213199347335,7cyclictest24477-21memory0
32131993472,339cyclictest0-21swapper/00
3213599346335,6cyclictest14123-21kworker/1:1+kec_query1
3213599346335,6cyclictest14123-21kworker/1:1+kec_query1
3213599346335,6cyclictest14123-21kworker/1:1+kec_query1
3213599346332,9cyclictest14123-21kworker/1:1+kec_query1
3213199346338,5cyclictest0-21swapper/00
3213199346337,5cyclictest0-21swapper/00
32131993461,339cyclictest0-21swapper/00
32131993451,338cyclictest0-21swapper/00
32131993451,338cyclictest0-21swapper/00
3213599344331,8cyclictest14123-21kworker/1:1+kec_query1
3213199344335,5cyclictest0-21swapper/00
3213199344335,5cyclictest0-21swapper/00
3213199344333,7cyclictest0-21swapper/00
3213199344330,9cyclictest12002-21diskstats0
32131993442,3cyclictest15407-21ssh0
32131993442,3cyclictest0-21swapper/00
3213599343332,6cyclictest14123-21kworker/1:1+kec_query1
3213599343332,6cyclictest14123-21kworker/1:1+kec_query1
3213599343328,8cyclictest14123-21kworker/1:1+kec_query1
3213199343334,5cyclictest0-21swapper/00
32131993431,336cyclictest0-21swapper/00
3213599342331,6cyclictest14123-21kworker/1:1+kec_query1
3213199342333,5cyclictest0-21swapper/00
3213199342333,5cyclictest0-21swapper/00
3213199342333,5cyclictest0-21swapper/00
3213599341331,5cyclictest14123-21kworker/1:1+kec_query1
3213599341330,6cyclictest14123-21kworker/1:1+kec_query1
3213599341329,6cyclictest14123-21kworker/1:1+kec_query1
3213199341332,5cyclictest0-21swapper/00
3213199341332,5cyclictest0-21swapper/00
32131993412,3cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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