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2026-07-28 - 21:40
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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 50 highest latencies:
System rackdslot3.osadl.org (updated Tue Jul 28, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186392204172,21sleep20-21swapper/207:05:462
187862203170,22sleep00-21swapper/007:07:410
187272203170,22sleep10-21swapper/107:06:531
139491203170,22phc2sys0-21swapper/307:06:233
2254021530,5sleep31926999cyclictest10:35:283
19268996524,5cyclictest33-21ksoftirqd/210:00:162
19268996326,6cyclictest33-21ksoftirqd/211:25:142
19268996223,6cyclictest33-21ksoftirqd/208:20:152
1926899616,4cyclictest16385-21cron09:20:002
19268996130,9cyclictest33-21ksoftirqd/211:55:252
19268996025,11cyclictest33-21ksoftirqd/207:57:032
19268996022,6cyclictest33-21ksoftirqd/209:40:152
19268995930,5cyclictest33-21ksoftirqd/212:15:132
19268995827,11cyclictest33-21ksoftirqd/211:22:232
19268995826,5cyclictest33-21ksoftirqd/210:55:132
19268995822,5cyclictest33-21ksoftirqd/210:15:282
19268995728,9cyclictest33-21ksoftirqd/212:35:152
19268995728,9cyclictest33-21ksoftirqd/212:35:142
19268995726,7cyclictest33-21ksoftirqd/211:10:202
19268995723,6cyclictest33-21ksoftirqd/210:35:272
19268995721,7cyclictest33-21ksoftirqd/211:16:032
19268995628,9cyclictest33-21ksoftirqd/209:00:162
19268995625,5cyclictest33-21ksoftirqd/207:35:142
19268995621,9cyclictest33-21ksoftirqd/209:25:182
19268995621,6cyclictest33-21ksoftirqd/208:50:182
19268995523,9cyclictest33-21ksoftirqd/207:45:152
19268995522,9cyclictest33-21ksoftirqd/207:33:092
19268995518,5cyclictest33-21ksoftirqd/210:45:172
19266995528,8cyclictest9-21ksoftirqd/008:05:170
139391550,1ptp4l401ktimersoftd/312:36:333
139391550,1ptp4l401ktimersoftd/312:36:333
19268995426,6cyclictest33-21ksoftirqd/208:35:212
19268995425,9cyclictest33-21ksoftirqd/211:45:012
19268995424,4cyclictest33-21ksoftirqd/208:45:142
19268995424,4cyclictest33-21ksoftirqd/208:45:142
19268995422,5cyclictest33-21ksoftirqd/209:55:222
19268995422,5cyclictest33-21ksoftirqd/209:55:222
19268995420,7cyclictest33-21ksoftirqd/209:54:292
19268995420,5cyclictest33-21ksoftirqd/212:30:202
19268995419,7cyclictest33-21ksoftirqd/209:32:352
1926899535,7cyclictest33-21ksoftirqd/208:40:292
19268995325,9cyclictest33-21ksoftirqd/209:45:242
19268995324,8cyclictest33-21ksoftirqd/208:25:142
19268995322,9cyclictest33-21ksoftirqd/209:40:002
19268995322,5cyclictest33-21ksoftirqd/209:15:002
19268995321,9cyclictest33-21ksoftirqd/207:29:402
19268995321,6cyclictest33-21ksoftirqd/211:50:242
19268995321,10cyclictest33-21ksoftirqd/208:00:212
19268995320,8cyclictest33-21ksoftirqd/207:10:222
19268995320,6cyclictest33-21ksoftirqd/208:10:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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