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2026-03-23 - 23:41
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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 3616 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 Mon Mar 23, 2026 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
29808993851,378cyclictest0-21swapper/00
29808993762,367cyclictest12649-21ssh0
2980999374362,7cyclictest9336-21kworker/1:1+kec_query1
2980899373364,5cyclictest0-21swapper/00
2980899373364,5cyclictest0-21swapper/00
2980899372363,5cyclictest0-21swapper/00
2980999370359,6cyclictest9336-21kworker/1:1+kec_query1
29808993701,3cyclictest0-21swapper/00
2980999368357,6cyclictest2535-21kworker/1:1+kec_query1
2980899368359,5cyclictest0-21swapper/00
2980999367357,5cyclictest9336-21kworker/1:1+kec_query1
2980899364355,5cyclictest0-21swapper/00
2980999363349,9cyclictest9336-21kworker/1:1+kec_query1
2980999361350,6cyclictest9336-21kworker/1:1+kec_query1
2980999360349,6cyclictest9336-21kworker/1:1+kec_query1
2980899360349,6cyclictest28567-21ssh0
2980999358346,7cyclictest9336-21kworker/1:1+kec_query1
2980899358349,5cyclictest0-21swapper/00
29808993581,11cyclictest18121-21if_enp1s00
2980999357346,6cyclictest9336-21kworker/1:1+kec_query1
2980899357348,5cyclictest0-21swapper/00
2980899357348,5cyclictest0-21swapper/00
2980899357347,6cyclictest0-21swapper/00
2980899357345,7cyclictest23407-21ssh0
2980999356345,6cyclictest2535-21kworker/1:1+kec_query1
2980899356347,5cyclictest0-21swapper/00
2980999355343,7cyclictest9336-21kworker/1:1+kec_query1
29808993552,345cyclictest5673-21ssh0
29808993551,3cyclictest0-21swapper/00
2980899354345,5cyclictest0-21swapper/00
29808993541,346cyclictest11416-21ts2lt0
2980999353342,6cyclictest9336-21kworker/1:1+kec_query1
2980999353342,6cyclictest9336-21kworker/1:1+kec_query1
2980999353342,6cyclictest9336-21kworker/1:1+kec_query1
2980999353342,6cyclictest9336-21kworker/1:1+kec_query1
2980999353330,18cyclictest9336-21kworker/1:1+kec_query1
2980999352341,6cyclictest9336-21kworker/1:1+kec_query1
2980899352343,5cyclictest0-21swapper/00
2980899352343,5cyclictest0-21swapper/00
2980999351340,6cyclictest4491-21kworker/1:2+kec_query1
2980899351342,5cyclictest0-21swapper/00
29808993512,342cyclictest10557-21uname0
2980999350339,6cyclictest9336-21kworker/1:1+kec_query1
2980999350339,6cyclictest9336-21kworker/1:1+kec_query1
2980999350338,7cyclictest9336-21kworker/1:1+kec_query1
2980899350341,5cyclictest0-21swapper/00
2980899350341,5cyclictest0-21swapper/00
2980899350341,5cyclictest0-21swapper/00
2980899350340,6cyclictest0-21swapper/00
29808993501,343cyclictest0-21swapper/00
2980899349340,5cyclictest0-21swapper/00
2980899349340,5cyclictest0-21swapper/00
2980899349340,5cyclictest0-21swapper/00
2980999348336,7cyclictest9336-21kworker/1:1+kec_query1
2980999348336,7cyclictest9336-21kworker/1:1+kec_query1
2980899348339,5cyclictest0-21swapper/00
2980899348339,5cyclictest0-21swapper/00
2980899348339,5cyclictest0-21swapper/00
2980899348339,5cyclictest0-21swapper/00
2980899348339,5cyclictest0-21swapper/00
29808993481,341cyclictest27915-21ssh0
2980899347338,5cyclictest0-21swapper/00
2980899347338,5cyclictest0-21swapper/00
2980899347338,5cyclictest0-21swapper/00
2980899347338,5cyclictest0-21swapper/00
2980899347338,5cyclictest0-21swapper/00
2980999346335,6cyclictest9336-21kworker/1:1+kec_query1
2980899346337,5cyclictest0-21swapper/00
2980899346337,5cyclictest0-21swapper/00
29808993462,337cyclictest9939-21diskstats0
29808993461,339cyclictest0-21swapper/00
2980999345334,6cyclictest9336-21kworker/1:1+kec_query1
2980899345336,5cyclictest0-21swapper/00
2980899345336,5cyclictest0-21swapper/00
2980899345335,6cyclictest0-21swapper/00
29808993451,3cyclictest0-21swapper/00
2980899344335,5cyclictest0-21swapper/00
2980999343332,6cyclictest9336-21kworker/1:1+kec_query1
2980999343332,6cyclictest9336-21kworker/1:1+kec_query1
2980999343332,6cyclictest9336-21kworker/1:1+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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