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2025-12-09 - 00:53
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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 Dec 08, 2025 13:01:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2613899288248,18cyclictest0-21swapper/510:20:1835
2613899288248,18cyclictest0-21swapper/510:20:1835
2613899288248,18cyclictest0-21swapper/510:20:1835
261859926239,200cyclictest15979-21CPU28
261859926239,200cyclictest15979-21CPU28
261859926239,200cyclictest15979-21CPU28
2613899258218,27cyclictest0-21swapper/512:00:1935
2613899258218,27cyclictest0-21swapper/512:00:1835
2614399244211,21cyclictest9327-21CPU38
2614399244211,21cyclictest9327-21CPU38
2614399244211,21cyclictest9327-21CPU38
2613899232212,11cyclictest5046-21inotify_reader10:35:2035
2613899232212,11cyclictest5046-21inotify_reader10:35:2035
2613899232212,11cyclictest5046-21inotify_reader10:35:2035
2615899227123,83cyclictest21975-21TaskSchedulerSi11:05:1910
2615899227123,83cyclictest21975-21TaskSchedulerSi11:05:1910
2613899226209,5cyclictest0-21swapper/507:45:1735
2613899226209,5cyclictest0-21swapper/507:45:1735
261449921210,187cyclictest4632-21CPU39
261449921210,187cyclictest4632-21CPU39
26144992051,199cyclictest0-21swapper/908:50:2039
26144992051,199cyclictest0-21swapper/908:50:2039
26151992045,189cyclictest0-21swapper/1108:16:003
26151992045,189cyclictest0-21swapper/1108:16:003
261959920217,180cyclictest15981-21CPU31
261959920217,180cyclictest15981-21CPU31
261719920287,109cyclictest40309-21inotify_reader11:10:1819
261719920287,109cyclictest40309-21inotify_reader11:10:1819
261719920287,109cyclictest40309-21inotify_reader11:10:1819
261719920287,109cyclictest40309-21inotify_reader11:10:1819
26171991990,196cyclictest11893-21qemu-system-x8612:35:1919
26171991990,196cyclictest11893-21qemu-system-x8612:35:1919
261449919923,160cyclictest11900-21CPU39
261449919923,160cyclictest11900-21CPU39
26151991981,181cyclictest0-21swapper/1108:45:203
26151991981,181cyclictest0-21swapper/1108:45:203
26182991978,178cyclictest0-21swapper/3212:25:1926
26182991978,178cyclictest0-21swapper/3212:25:1926
2614399197177,17cyclictest0-21swapper/808:05:1938
2614399197177,17cyclictest0-21swapper/808:05:1938
261719919667,94cyclictest4909-21CPU19
261719919667,94cyclictest4909-21CPU19
261719919667,94cyclictest4909-21CPU19
26164991951,181cyclictest0-21swapper/2308:25:1616
26164991951,181cyclictest0-21swapper/2308:25:1616
261629919529,125cyclictest0-21swapper/2112:10:1814
261629919529,125cyclictest0-21swapper/2112:10:1714
261629919529,125cyclictest0-21swapper/2112:10:1714
2615899194107,61cyclictest0-21swapper/1808:20:1910
2615899194107,61cyclictest0-21swapper/1808:20:1910
261379919392,87cyclictest3862-21inotify_reader10:30:2034
261379919392,87cyclictest3862-21inotify_reader10:30:2034
261379919392,87cyclictest3862-21inotify_reader10:30:2034
261589919295,71cyclictest27483-21TaskSchedulerSi07:20:1810
261589919295,71cyclictest27483-21TaskSchedulerSi07:20:1810
261589919278,87cyclictest36580-21inotify_reader10:15:2210
261589919278,87cyclictest36580-21inotify_reader10:15:2210
261379919169,101cyclictest0-21swapper/409:50:1834
261379919169,101cyclictest0-21swapper/409:50:1834
2613899190186,2cyclictest0-21swapper/508:12:4135
2613899190186,2cyclictest0-21swapper/508:12:4035
26185991891,87cyclictest0-21swapper/3409:45:1828
26185991891,87cyclictest0-21swapper/3409:45:1828
26185991891,87cyclictest0-21swapper/3409:45:1828
26152991898,164cyclictest25229-21TaskSchedulerSi12:20:224
26152991898,164cyclictest25229-21TaskSchedulerSi12:20:224
26152991898,164cyclictest25229-21TaskSchedulerSi12:20:224
261379918983,73cyclictest11834-21inotify_reader11:45:1834
261379918983,73cyclictest11834-21inotify_reader11:45:1834
26137991880,184cyclictest12606-21inotify_reader09:10:1934
26137991880,184cyclictest12606-21inotify_reader09:10:1934
261719918634,112cyclictest7598-21TaskSchedulerSi12:10:1819
261719918634,112cyclictest7598-21TaskSchedulerSi12:10:1719
261719918634,112cyclictest7598-21TaskSchedulerSi12:10:1719
261589918678,105cyclictest3212-21NetworkChangeNo10:20:1910
261589918678,105cyclictest3212-21NetworkChangeNo10:20:1910
261589918678,105cyclictest3212-21NetworkChangeNo10:20:1910
26151991862,96cyclictest15983-21CPU3
26151991862,96cyclictest15983-21CPU3
26162991841,169cyclictest0-21swapper/2107:55:2114
261559918468,57cyclictest0-21swapper/1509:35:207
261559918468,57cyclictest0-21swapper/1509:35:207
261559918468,57cyclictest0-21swapper/1509:35:207
2613799184103,64cyclictest3859-21inotify_reader07:15:0334
2613799184103,64cyclictest3859-21inotify_reader07:15:0334
261519918288,87cyclictest14562-21inotify_reader09:40:193
261519918288,87cyclictest14562-21inotify_reader09:40:193
261809918119,6cyclictest40461-21inotify_reader09:40:2024
261809918119,6cyclictest40461-21inotify_reader09:40:2024
261589918120,157cyclictest27377-21NetworkChangeNo12:20:2210
261589918120,157cyclictest27377-21NetworkChangeNo12:20:2210
261589918120,157cyclictest27377-21NetworkChangeNo12:20:2210
261519918123,128cyclictest30956-21TaskSchedulerSi10:35:193
261519918123,128cyclictest30956-21TaskSchedulerSi10:35:193
261519918123,128cyclictest30956-21TaskSchedulerSi10:35:193
2613899181170,9cyclictest0-21swapper/509:55:1935
2613899181170,9cyclictest0-21swapper/509:55:1935
2613899181170,9cyclictest0-21swapper/509:55:1935
261829917970,80cyclictest4909-21CPU26
261829917970,80cyclictest4909-21CPU26
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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