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2026-07-07 - 22:28
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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 SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 792 highest latencies:
System rack6slot7.osadl.org (updated Sat Jun 27, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,4564
"cycles":100000000,4563
"load":"idle",4562
"condition":{4561
"clock":"2300"4559
"family":"x86",4558
"vendor":"Intel",4557
"processor":{4555
"dataset":"2024-01-08T15:37:35+0100"4553
"origin":"2024-01-08T12:43:22+0100",4552
"timestamps":{4551
"granularity":"microseconds"4549
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16,15:29:573796
26,15:30:073795
13,15:29:543794
8,15:29:493793
1,15:29:423792
2,15:29:433791
2,15:29:433790
3,15:29:443789
3,15:29:443788
5,15:29:463787
9,15:29:503786
11,15:29:523785
27,15:30:083784
29,15:30:103783
27,15:30:083782
24,15:30:053781
25,15:30:063780
67,15:30:483779
121,15:31:423778
201,15:33:023777
330,15:35:113776
576,15:39:173775
1163,15:49:043774
1939,16:02:003773
3419,16:26:403772
5227,16:56:483771
7584,17:36:053770
9657,18:10:383769
10501,18:24:423768
10085,18:17:463767
9793,18:12:543766
10120,18:18:213765
5811,17:06:323764
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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