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2026-04-25 - 04:21
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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 Sat Apr 25, 2026 01:01:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3323599211202,7cyclictest0-21swapper/1322:03:255
3323599211202,7cyclictest0-21swapper/1322:03:245
3324799210194,13cyclictest0-21swapper/2322:45:1816
3324799210194,13cyclictest0-21swapper/2322:45:1816
3324599204192,10cyclictest0-21swapper/2123:56:1714
3324599204192,10cyclictest0-21swapper/2123:56:1714
3324599204192,10cyclictest0-21swapper/2123:56:1714
3324799203190,6cyclictest0-21swapper/2323:49:0216
3324799203190,6cyclictest0-21swapper/2323:49:0216
3326099202193,6cyclictest18392-21sshd22:50:0027
3326099202193,6cyclictest18392-21sshd22:50:0027
3324799202195,5cyclictest0-21swapper/2323:15:0116
3324799202195,5cyclictest0-21swapper/2323:15:0116
3323599201195,4cyclictest0-21swapper/1321:55:015
3323599201195,4cyclictest0-21swapper/1321:55:015
3323599201195,4cyclictest0-21swapper/1321:55:015
3324799200194,4cyclictest0-21swapper/2323:19:4516
3324799200194,4cyclictest0-21swapper/2323:19:4516
3324799200192,6cyclictest0-21swapper/2300:15:2316
3324799200192,6cyclictest0-21swapper/2300:15:2316
3324799200192,6cyclictest0-21swapper/2300:15:2216
3326199199192,3cyclictest3610-21CPU28
3326199199192,3cyclictest3610-21CPU28
3326099199191,6cyclictest0-21swapper/3321:19:2527
3326099199191,6cyclictest0-21swapper/3321:19:2527
3324799199191,6cyclictest0-21swapper/2321:10:4316
3324799199191,6cyclictest0-21swapper/2321:10:4216
3326099198188,6cyclictest3547-21CPU27
3326099198188,6cyclictest3547-21CPU27
3324799198190,4cyclictest3543-21CPU16
3324799198190,4cyclictest3543-21CPU16
3323599198192,4cyclictest0-21swapper/1321:55:215
3323599198192,4cyclictest0-21swapper/1321:55:215
3324799197191,4cyclictest0-21swapper/2300:32:4216
3324799197191,4cyclictest0-21swapper/2300:32:4116
3324799197191,4cyclictest0-21swapper/2300:32:4116
3324799196185,9cyclictest0-21swapper/2322:15:2216
3324799196185,9cyclictest0-21swapper/2322:15:2216
3324799195190,4cyclictest0-21swapper/2323:51:0516
3324799195190,4cyclictest0-21swapper/2323:51:0516
3324799194189,4cyclictest0-21swapper/2300:09:5816
3324799194189,4cyclictest0-21swapper/2300:09:5816
3324799194188,4cyclictest33608-21expr22:55:1416
3324799194188,4cyclictest33608-21expr22:55:1416
3324799194188,4cyclictest0-21swapper/2323:05:4616
3324799194188,4cyclictest0-21swapper/2323:05:4616
3324799194187,5cyclictest0-21swapper/2323:20:5316
3324799194187,5cyclictest0-21swapper/2323:20:5316
3324799194183,9cyclictest32419-21if_err_vnet122:35:2216
3324799194183,9cyclictest32419-21if_err_vnet122:35:2216
3324799194183,9cyclictest32419-21if_err_vnet122:35:2216
3326099192186,3cyclictest0-21swapper/3300:05:3127
3326099192186,3cyclictest0-21swapper/3300:05:3127
3324799192187,4cyclictest0-21swapper/2321:26:3316
3324799192187,4cyclictest0-21swapper/2321:26:3316
3324799192184,5cyclictest0-21swapper/2322:11:4116
3324799192184,5cyclictest0-21swapper/2322:11:4116
3324799192184,5cyclictest0-21swapper/2322:11:4116
3324799192181,7cyclictest2461-21CPU16
3324799192181,7cyclictest2461-21CPU16
3324799192181,7cyclictest2461-21CPU16
3326099191185,4cyclictest0-21swapper/3323:45:5127
3326099191185,4cyclictest0-21swapper/3323:45:5127
3326099191184,5cyclictest1-21systemd00:26:1927
3326099191184,5cyclictest1-21systemd00:26:1927
3326099191184,5cyclictest1-21systemd00:26:1827
3326099191184,5cyclictest0-21swapper/3323:42:4327
3326099191184,5cyclictest0-21swapper/3323:42:4327
3324799191182,7cyclictest0-21swapper/2322:28:3616
3324799191182,7cyclictest0-21swapper/2322:28:3516
3324799191173,13cyclictest0-21swapper/2321:59:4316
3324799191173,13cyclictest0-21swapper/2321:59:4316
3324599191182,5cyclictest3609-21CPU14
3324599191182,5cyclictest3609-21CPU14
3324599191182,5cyclictest3609-21CPU14
3326099190181,7cyclictest0-21swapper/3320:45:0427
3324799190184,4cyclictest755-21systemd-journal23:01:0616
3324799190184,4cyclictest755-21systemd-journal23:01:0616
3324799190183,5cyclictest0-21swapper/2322:40:3516
3324799190183,5cyclictest0-21swapper/2322:40:3516
3326099189180,6cyclictest1-21systemd00:39:0427
3326099189180,6cyclictest1-21systemd00:39:0427
3324799189183,5cyclictest0-21swapper/2322:01:1316
3324799189183,5cyclictest0-21swapper/2322:01:1216
3324799189173,13cyclictest0-21swapper/2323:28:1316
3324799189173,13cyclictest0-21swapper/2323:28:1316
3324799189173,13cyclictest0-21swapper/2323:28:1316
3326099188182,4cyclictest0-21swapper/3319:20:1327
3326099188182,4cyclictest0-21swapper/3319:20:1327
3326099188181,5cyclictest0-21swapper/3321:27:1427
3326099188181,5cyclictest0-21swapper/3321:27:1427
3324799188183,4cyclictest0-21swapper/2321:06:0416
3324799188183,4cyclictest0-21swapper/2321:06:0416
3324799188183,4cyclictest0-21swapper/2321:06:0416
3324799188182,4cyclictest0-21swapper/2322:24:2216
3324799188182,4cyclictest0-21swapper/2322:24:2216
3324799188182,4cyclictest0-21swapper/2300:35:1116
3324799188182,4cyclictest0-21swapper/2300:35:1116
3324799188181,5cyclictest0-21swapper/2322:30:1416
3324799188181,5cyclictest0-21swapper/2322:30:1316
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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