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2026-03-28 - 15:46
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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 3618 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 Sat Mar 28, 2026 13:16:16)
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
2427999378369,5cyclictest5250irq/9-acpi1
2427999376368,4cyclictest5250irq/9-acpi1
2427999375367,5cyclictest5250irq/9-acpi1
2427999374366,5cyclictest5250irq/9-acpi1
2427999371363,5cyclictest5250irq/9-acpi1
2427999369359,6cyclictest5250irq/9-acpi1
2427999369359,6cyclictest5250irq/9-acpi1
2427999369359,6cyclictest5250irq/9-acpi1
2427399368357,6cyclictest545-21kworker/0:2+kec_query0
2427999366358,5cyclictest5250irq/9-acpi1
2427999366356,6cyclictest5250irq/9-acpi1
2427999366356,6cyclictest5250irq/9-acpi1
2427999364353,6cyclictest4333-21kworker/1:0+kec_query1
2427999362353,5cyclictest5250irq/9-acpi1
2427999361353,5cyclictest5250irq/9-acpi1
2427999361353,5cyclictest5250irq/9-acpi1
2427999361350,6cyclictest4333-21kworker/1:0+kec_query1
2427999360351,5cyclictest5250irq/9-acpi1
2427999360343,13cyclictest5250irq/9-acpi1
2427999359349,6cyclictest5250irq/9-acpi1
24279993593,350cyclictest5250irq/9-acpi1
2427999358349,5cyclictest5250irq/9-acpi1
2427999357350,4cyclictest5250irq/9-acpi1
2427999357348,5cyclictest5250irq/9-acpi1
2427999357346,6cyclictest4333-21kworker/1:0+kec_query1
24279993573,348cyclictest5250irq/9-acpi1
2427399357346,6cyclictest545-21kworker/0:2+kec_query0
2427999356349,4cyclictest5250irq/9-acpi1
2427999356348,5cyclictest5250irq/9-acpi1
2427999356348,5cyclictest5250irq/9-acpi1
2427999356348,4cyclictest5250irq/9-acpi1
2427999356348,4cyclictest5250irq/9-acpi1
2427999356347,5cyclictest5250irq/9-acpi1
24279993555,344cyclictest5250irq/9-acpi1
24273993551,347cyclictest6806-21/usr/sbin/munin0
2427999354346,5cyclictest5250irq/9-acpi1
2427399354343,6cyclictest545-21kworker/0:2+kec_query0
2427399354343,6cyclictest545-21kworker/0:2+kec_query0
2427999353345,5cyclictest5250irq/9-acpi1
2427999353345,4cyclictest5250irq/9-acpi1
2427999353342,6cyclictest17875-21kworker/1:2+kec_query1
2427999352345,4cyclictest5250irq/9-acpi1
2427999352344,5cyclictest5250irq/9-acpi1
2427999352344,5cyclictest5250irq/9-acpi1
2427999352343,5cyclictest5250irq/9-acpi1
2427999352343,5cyclictest5250irq/9-acpi1
2427999351344,4cyclictest5250irq/9-acpi1
2427999351344,4cyclictest5250irq/9-acpi1
2427999351344,4cyclictest5250irq/9-acpi1
2427999351344,4cyclictest5250irq/9-acpi1
2427999351343,5cyclictest5250irq/9-acpi1
2427999351343,5cyclictest5250irq/9-acpi1
2427999351343,5cyclictest5250irq/9-acpi1
24279993512,4cyclictest5250irq/9-acpi1
2427999349341,5cyclictest5250irq/9-acpi1
2427399349337,7cyclictest545-21kworker/0:2+kec_query0
24279993489,333cyclictest5250irq/9-acpi1
2427999348339,5cyclictest5250irq/9-acpi1
2427999348339,5cyclictest5250irq/9-acpi1
2427399348337,6cyclictest545-21kworker/0:2+kec_query0
2427399348336,7cyclictest545-21kworker/0:2+kec_query0
2427999347338,5cyclictest5250irq/9-acpi1
2427999347336,6cyclictest4333-21kworker/1:0+kec_query1
2427999347336,6cyclictest4333-21kworker/1:0+kec_query1
2427999346337,5cyclictest5250irq/9-acpi1
2427999346337,5cyclictest5250irq/9-acpi1
2427399346335,6cyclictest545-21kworker/0:2+kec_query0
2427999345334,6cyclictest8932-21kworker/1:2+kec_query1
2427399345333,7cyclictest545-21kworker/0:2+kec_query0
2427399345333,7cyclictest545-21kworker/0:2+kec_query0
24273993452,336cyclictest29851-21cut0
24273993451,338cyclictest0-21swapper/00
2427399343332,6cyclictest545-21kworker/0:2+kec_query0
2427399342331,6cyclictest545-21kworker/0:2+kec_query0
2427399342331,6cyclictest545-21kworker/0:2+kec_query0
2427399342330,7cyclictest545-21kworker/0:2+kec_query0
2427999341332,5cyclictest5250irq/9-acpi1
2427399341330,6cyclictest545-21kworker/0:2+kec_query0
2427399341329,7cyclictest545-21kworker/0:2+kec_query0
2427999340331,5cyclictest5250irq/9-acpi1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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