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2026-03-25 - 04:25
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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 3614 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 Wed Mar 25, 2026 01:16:20)
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
1927999386377,5cyclictest0-21swapper/00
1928499369358,6cyclictest12200-21kworker/1:2+kec_query1
1928499367356,6cyclictest25994-21kworker/1:0+kec_query1
1928499367356,6cyclictest25994-21kworker/1:0+kec_query1
1927999367356,6cyclictest27816-21kworker/0:2+kec_query0
19279993671,360cyclictest0-21swapper/00
1928499365353,6cyclictest12200-21kworker/1:2+kec_query1
1927999361352,5cyclictest0-21swapper/00
1928499360349,6cyclictest12200-21kworker/1:2+kec_query1
19279993582,348cyclictest28781-21cut0
1928499357344,7cyclictest14471-21kworker/1:1+kec_query1
19279993572,349cyclictest0-21swapper/00
1928499356345,6cyclictest12200-21kworker/1:2+kec_query1
1928499356345,6cyclictest12200-21kworker/1:2+kec_query1
1928499353342,6cyclictest30485-21kworker/1:2+kec_query1
1928499352341,6cyclictest14471-21kworker/1:1+kec_query1
1928499352340,7cyclictest25994-21kworker/1:0+kec_query1
1927999352343,5cyclictest0-21swapper/00
1927999352343,5cyclictest0-21swapper/00
1927999352341,7cyclictest0-21swapper/00
1927999350339,6cyclictest27816-21kworker/0:2+kec_query0
1928499349338,6cyclictest12200-21kworker/1:2+kec_query1
19279993491,342cyclictest0-21swapper/00
1928499348337,6cyclictest25994-21kworker/1:0+kec_query1
1928499348336,6cyclictest25994-21kworker/1:0+kec_query1
1928499347336,6cyclictest25994-21kworker/1:0+kec_query1
1927999347336,7cyclictest0-21swapper/00
19279993471,340cyclictest0-21swapper/00
1928499346335,6cyclictest29762-21kworker/1:1+kec_query1
1928499346335,6cyclictest25994-21kworker/1:0+kec_query1
1928499346334,7cyclictest25994-21kworker/1:0+kec_query1
1927999346337,5cyclictest0-21swapper/00
19279993462,338cyclictest0-21swapper/00
1928499345334,6cyclictest30485-21kworker/1:2+kec_query1
1928499345334,6cyclictest14471-21kworker/1:1+kec_query1
1928499345333,7cyclictest25994-21kworker/1:0+kec_query1
19279993451,338cyclictest0-21swapper/00
1928499344333,6cyclictest25994-21kworker/1:0+kec_query1
1927999344335,5cyclictest0-21swapper/00
19279993442,335cyclictest3634-21smartctl0
1928499343333,5cyclictest12155-21kworker/1:0+kec_query1
1928499343332,6cyclictest12200-21kworker/1:2+kec_query1
1927999343334,5cyclictest0-21swapper/00
1927999343333,6cyclictest0-21swapper/00
1927999343332,6cyclictest27816-21kworker/0:2+kec_query0
1928499342331,6cyclictest1057-21kworker/1:0+kec_query1
1927999342333,5cyclictest0-21swapper/00
1927999342331,6cyclictest27816-21kworker/0:2+kec_query0
1928499341330,6cyclictest29762-21kworker/1:1+kec_query1
1928499341330,6cyclictest25994-21kworker/1:0+kec_query1
1928499341330,6cyclictest14471-21kworker/1:1+kec_query1
1928499341330,6cyclictest12200-21kworker/1:2+kec_query1
1927999341332,5cyclictest0-21swapper/00
1928499340329,6cyclictest25994-21kworker/1:0+kec_query1
1928499340329,6cyclictest25994-21kworker/1:0+kec_query1
1928499340328,7cyclictest30485-21kworker/1:2+kec_query1
19279993401,3cyclictest0-21swapper/00
1928499339329,6cyclictest30485-21kworker/1:2+kec_query1
1928499339328,6cyclictest12200-21kworker/1:2+kec_query1
1928499339328,6cyclictest12200-21kworker/1:2+kec_query1
1928499339328,6cyclictest1057-21kworker/1:0+kec_query1
1928499339326,8cyclictest30485-21kworker/1:2+kec_query1
1927999339328,7cyclictest0-21swapper/00
19279993391,3cyclictest0-21swapper/00
1927999338329,5cyclictest0-21swapper/00
19279993381,3cyclictest0-21swapper/00
1928499337326,6cyclictest25994-21kworker/1:0+kec_query1
1928499337326,6cyclictest12200-21kworker/1:2+kec_query1
1928499337326,6cyclictest12200-21kworker/1:2+kec_query1
1927999337328,5cyclictest0-21swapper/00
1927999337325,7cyclictest31833-21cstates0
19279993372,329cyclictest0-21swapper/00
19279993371,330cyclictest0-21swapper/00
1928499336325,6cyclictest29762-21kworker/1:1+kec_query1
1927999336327,5cyclictest0-21swapper/00
1927999336327,5cyclictest0-21swapper/00
1927999336325,7cyclictest0-21swapper/00
1927999335326,5cyclictest0-21swapper/00
19279993351,328cyclictest0-21swapper/00
19279993351,328cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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