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2026-01-07 - 22:32
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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 3622 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 Jan 07, 2026 13:16:09)
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
14546993801,14cyclictest23091-21cut0
14546993701,362cyclictest54732sleep00
1454799364353,6cyclictest13014-21kworker/1:0+kec_query1
1454799364352,6cyclictest12354-21kworker/1:1+kec_query1
1454799362351,5cyclictest13014-21kworker/1:0+kec_query1
1454799356345,6cyclictest5398-21kworker/1:2+kec_query1
14546993562,348cyclictest0-21swapper/00
1454799355345,5cyclictest13014-21kworker/1:0+kec_query1
1454799355343,6cyclictest13014-21kworker/1:0+kec_query1
1454799355332,18cyclictest13014-21kworker/1:0+kec_query1
1454799353342,6cyclictest12354-21kworker/1:1+kec_query1
1454799352341,6cyclictest12354-21kworker/1:1+kec_query1
1454799352340,7cyclictest5398-21kworker/1:2+kec_query1
1454799350339,6cyclictest12354-21kworker/1:1+kec_query1
1454699350337,7cyclictest8281-21/usr/sbin/munin0
1454799349338,6cyclictest12354-21kworker/1:1+kec_query1
1454699349335,8cyclictest5789-21diskstats0
1454699348337,6cyclictest2470-21kworker/0:1+kec_query0
14546993471,6cyclictest18498-21ssh0
1454799346335,6cyclictest13014-21kworker/1:0+kec_query1
1454799346334,7cyclictest5398-21kworker/1:2+kec_query1
1454799346333,6cyclictest13014-21kworker/1:0+kec_query1
1454699346337,5cyclictest0-21swapper/00
1454699346334,8cyclictest29323-21diskmemload0
1454799345334,6cyclictest19891-21kworker/1:2+kec_query1
1454799345334,6cyclictest13014-21kworker/1:0+kec_query1
1454799345334,6cyclictest13014-21kworker/1:0+kec_query1
1454799345333,7cyclictest19891-21kworker/1:2+kec_query1
1454799345333,7cyclictest13014-21kworker/1:0+kec_query1
1454799345333,6cyclictest13014-21kworker/1:0+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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