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2026-06-29 - 08:08
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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 3606 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 Jun 29, 2026 01:16:13)
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
1530799368356,7cyclictest22646-21kworker/1:2+kec_query1
1530699366357,5cyclictest0-21swapper/00
1530799364353,6cyclictest3188-21kworker/1:0+kec_query1
1530799364343,16cyclictest22646-21kworker/1:2+kec_query1
1530699363355,4cyclictest0-21swapper/00
15306993621,353cyclictest563-21runrttasks0
1530699359347,7cyclictest8040-21kworker/0:2+kec_query0
15306993591,351cyclictest30924-21tail0
1530799357346,6cyclictest22646-21kworker/1:2+kec_query1
1530799354343,6cyclictest22646-21kworker/1:2+kec_query1
1530799354342,7cyclictest28835-21kworker/1:2+kec_query1
1530699354347,4cyclictest0-21swapper/00
1530799353341,7cyclictest22646-21kworker/1:2+kec_query1
1530799351341,6cyclictest22646-21kworker/1:2+kec_query1
1530799351339,7cyclictest22646-21kworker/1:2+kec_query1
1530799350339,6cyclictest3188-21kworker/1:0+kec_query1
1530799350339,6cyclictest3188-21kworker/1:0+kec_query1
1530799350339,6cyclictest29543-21kworker/1:1+kec_query1
1530799350339,6cyclictest22646-21kworker/1:2+kec_query1
1530699350338,7cyclictest2086-21hddtemp_smartct0
15306993501,342cyclictest7973-21runrttasks0
1530799349337,7cyclictest28835-21kworker/1:2+kec_query1
1530799348337,6cyclictest22646-21kworker/1:2+kec_query1
15306993481,341cyclictest0-21swapper/00
1530699347336,6cyclictest26960-21ssh0
15306993472,4cyclictest0-21swapper/00
15306993471,3cyclictest30681-21ssh0
1530799346336,6cyclictest22646-21kworker/1:2+kec_query1
1530799346334,7cyclictest22646-21kworker/1:2+kec_query1
1530799346332,9cyclictest3188-21kworker/1:0+kec_query1
1530699346337,5cyclictest0-21swapper/00
1530699346334,7cyclictest29694-21diskmemload0
15306993461,339cyclictest0-21swapper/00
1530799345334,6cyclictest22646-21kworker/1:2+kec_query1
1530699345335,5cyclictest8040-21kworker/0:2+kec_query0
15306993452,337cyclictest0-21swapper/00
1530799344333,6cyclictest22646-21kworker/1:2+kec_query1
1530799344333,6cyclictest22646-21kworker/1:2+kec_query1
1530799344333,6cyclictest22646-21kworker/1:2+kec_query1
1530799344333,6cyclictest22646-21kworker/1:2+kec_query1
1530799344332,7cyclictest22646-21kworker/1:2+kec_query1
1530699344335,5cyclictest0-21swapper/00
1530699344329,9cyclictest23365-21diskstats0
15306993441,3cyclictest0-21swapper/00
1530799343332,6cyclictest3188-21kworker/1:0+kec_query1
1530799343332,6cyclictest3188-21kworker/1:0+kec_query1
1530799343332,6cyclictest27841-21kworker/1:0+kec_query1
1530799343331,7cyclictest4016-21kworker/1:0+kec_query1
1530799343331,7cyclictest22646-21kworker/1:2+kec_query1
1530699343336,4cyclictest0-21swapper/00
1530699343334,5cyclictest0-21swapper/00
15306993432,334cyclictest28733-21df_inode0
15306993432,334cyclictest28733-21df_inode0
1530799342331,6cyclictest3188-21kworker/1:0+kec_query1
1530799342331,6cyclictest22646-21kworker/1:2+kec_query1
1530799342330,7cyclictest22646-21kworker/1:2+kec_query1
1530699342333,5cyclictest4557-21ssh0
1530699342333,5cyclictest0-21swapper/00
1530699342333,5cyclictest0-21swapper/00
15306993422,6cyclictest364-21ssh0
15306993421,5cyclictest7642-21latency_hist0
1530699341329,7cyclictest63662sleep00
1530799340329,6cyclictest3188-21kworker/1:0+kec_query1
1530799340329,6cyclictest22646-21kworker/1:2+kec_query1
1530799340329,6cyclictest22646-21kworker/1:2+kec_query1
1530699340331,5cyclictest0-21swapper/00
1530699340324,10cyclictest7895-21kworker/u9:0+rpciod0
1530799339328,6cyclictest4016-21kworker/1:0+kec_query1
1530799339328,6cyclictest3188-21kworker/1:0+kec_query1
1530799339328,6cyclictest22646-21kworker/1:2+kec_query1
1530799339328,6cyclictest22646-21kworker/1:2+kec_query1
1530699339330,5cyclictest0-21swapper/00
1530699339330,5cyclictest0-21swapper/00
1530699338329,5cyclictest0-21swapper/00
1530699338329,5cyclictest0-21swapper/00
1530699338329,5cyclictest0-21swapper/00
1530699338326,7cyclictest28366-21cstates0
15306993381,331cyclictest0-21swapper/00
15306993381,331cyclictest0-21swapper/00
1530799337326,6cyclictest4016-21kworker/1:0+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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