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2026-05-18 - 21:47
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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 100 highest latencies:
System rack6slot0.osadl.org (updated Mon May 18, 2026 13:02:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2372599232223,5cyclictest3541-21CPU4
2372599232223,5cyclictest3541-21CPU4
2374199224121,87cyclictest3609-21CPU18
2374199224121,87cyclictest3609-21CPU18
2374199224121,87cyclictest3609-21CPU18
2375299220214,4cyclictest0-21swapper/3509:29:5329
2375299220214,4cyclictest0-21swapper/3509:29:5329
2375299220209,9cyclictest0-21swapper/3511:55:2029
2375299220209,9cyclictest0-21swapper/3511:55:1929
2375299220209,9cyclictest0-21swapper/3511:55:1929
2372699219213,5cyclictest0-21swapper/1309:53:455
2372699219213,5cyclictest0-21swapper/1309:53:455
2375299212206,3cyclictest40313-21env09:30:1529
2375299212206,3cyclictest40313-21env09:30:1429
2375299212206,3cyclictest40313-21env09:30:1429
2375299211199,8cyclictest0-21swapper/3512:00:1229
2375299211199,8cyclictest0-21swapper/3512:00:1129
2375299210189,17cyclictest0-21swapper/3509:45:4729
2375299210189,17cyclictest0-21swapper/3509:45:4729
2375299210189,17cyclictest0-21swapper/3509:45:4729
2371199210203,5cyclictest0-21swapper/107:10:021
2371199210203,5cyclictest0-21swapper/107:10:011
2371099210200,8cyclictest0-21swapper/011:38:430
2371099210200,8cyclictest0-21swapper/011:38:430
2375299209192,12cyclictest0-21swapper/3509:45:0429
2375299209192,12cyclictest0-21swapper/3509:45:0329
2372699209192,13cyclictest3541-21CPU5
2372699209192,13cyclictest3541-21CPU5
2372599209192,9cyclictest0-21swapper/1209:10:384
2372599209192,9cyclictest0-21swapper/1209:10:374
2372599209192,9cyclictest0-21swapper/1209:10:374
2375299208200,6cyclictest0-21swapper/3511:29:3729
2375299208200,6cyclictest0-21swapper/3511:29:3629
2375299208188,17cyclictest0-21swapper/3507:30:2029
2375299208188,17cyclictest0-21swapper/3507:30:2029
2375299207194,8cyclictest0-21swapper/3510:37:3629
2375299207194,8cyclictest0-21swapper/3510:37:3629
2372699207200,5cyclictest0-21swapper/1310:46:325
2372699207200,5cyclictest0-21swapper/1310:46:325
2375299206197,7cyclictest0-21swapper/3510:10:1629
2375299206197,7cyclictest0-21swapper/3510:10:1629
2375299206197,7cyclictest0-21swapper/3510:10:1629
2372699206190,10cyclictest0-21swapper/1310:21:105
2372699206190,10cyclictest0-21swapper/1310:21:095
2375299205191,10cyclictest2812-21systemd12:20:3529
2375299205191,10cyclictest2812-21systemd12:20:3529
2375299205188,13cyclictest0-21swapper/3511:06:2729
2375299205188,13cyclictest0-21swapper/3511:06:2729
2375299205188,13cyclictest0-21swapper/3511:06:2629
2373499205189,10cyclictest15253-21run-parts09:35:2811
2373499205189,10cyclictest15253-21run-parts09:35:2711
2373499205189,10cyclictest15253-21run-parts09:35:2711
2375299204185,10cyclictest0-21swapper/3509:57:5729
2375299204185,10cyclictest0-21swapper/3509:57:5729
2374599204188,8cyclictest0-21swapper/2812:10:2521
2374599204188,8cyclictest0-21swapper/2812:10:2521
2374599204188,8cyclictest0-21swapper/2812:10:2521
2375299203189,5cyclictest37357-21CPU29
2375299203189,5cyclictest37357-21CPU29
2372599203189,7cyclictest0-21swapper/1209:19:284
2372599203189,7cyclictest0-21swapper/1209:19:284
2372599203189,7cyclictest0-21swapper/1209:19:284
2375299202195,6cyclictest0-21swapper/3512:06:0329
2375299202195,6cyclictest0-21swapper/3512:06:0329
2375299202191,9cyclictest0-21swapper/3511:39:5129
2375299202191,9cyclictest0-21swapper/3511:39:5129
2375299202186,7cyclictest0-21swapper/3511:13:3229
2375299202186,7cyclictest0-21swapper/3511:13:3229
2372699202194,6cyclictest0-21swapper/1307:35:035
2372699202194,6cyclictest0-21swapper/1307:35:035
2372699202189,4cyclictest0-21swapper/1309:49:595
2372699202189,4cyclictest0-21swapper/1309:49:585
2372699202189,4cyclictest0-21swapper/1309:49:585
2371099202173,16cyclictest0-21swapper/008:30:310
2371099202173,16cyclictest0-21swapper/008:30:310
2372699201194,5cyclictest1367-21dbus-daemon10:53:575
2372699201194,5cyclictest1367-21dbus-daemon10:53:575
2372699201194,5cyclictest1367-21dbus-daemon10:53:565
2372699201190,7cyclictest0-21swapper/1309:35:015
2372699201190,7cyclictest0-21swapper/1309:35:015
2372699201190,7cyclictest0-21swapper/1309:35:015
2375299200191,7cyclictest0-21swapper/3511:43:0629
2375299200191,7cyclictest0-21swapper/3511:43:0529
2375299200191,7cyclictest0-21swapper/3511:43:0529
2374599199178,14cyclictest6524-21sshd12:17:0021
2374599199178,14cyclictest6524-21sshd12:16:5921
2373499199194,4cyclictest0-21swapper/1909:01:5111
2373099199194,4cyclictest0-21swapper/1608:52:568
2373099199194,4cyclictest0-21swapper/1608:52:558
2372699199190,7cyclictest0-21swapper/1310:59:325
2372699199190,7cyclictest0-21swapper/1310:59:315
2372699199190,7cyclictest0-21swapper/1310:59:315
2371099199189,5cyclictest0-21swapper/010:34:450
2371099199189,5cyclictest0-21swapper/010:34:440
2375299198187,6cyclictest0-21swapper/3512:18:0129
2375299198187,6cyclictest0-21swapper/3512:18:0029
2375299198184,5cyclictest0-21swapper/3512:28:2529
2375299198184,5cyclictest0-21swapper/3512:28:2429
2372599198186,8cyclictest4713-21pmu-power08:20:314
2372599198186,8cyclictest4713-21pmu-power08:20:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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