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2025-12-08 - 06:17
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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 01:00:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1943299261225,17cyclictest0-21swapper/821:55:1938
1943299261225,17cyclictest0-21swapper/821:55:1938
19429992561,242cyclictest12788-21sshd22:35:1935
19429992561,242cyclictest12788-21sshd22:35:1935
1943299252222,11cyclictest15978-21CPU38
1943299252222,11cyclictest15978-21CPU38
1945599248240,4cyclictest4624-21qemu-system-x8600:00:2118
1945599248240,4cyclictest4624-21qemu-system-x8600:00:2118
1943299235198,20cyclictest11392-21TaskSchedulerSi21:50:1938
1943299235198,20cyclictest11392-21TaskSchedulerSi21:50:1938
1943299235198,20cyclictest11392-21TaskSchedulerSi21:50:1938
1947499233213,6cyclictest28337-21TaskSchedulerSi00:10:1826
1947499233213,6cyclictest28337-21TaskSchedulerSi00:10:1826
1944999228145,68cyclictest4911-21CPU15
1944999228145,68cyclictest4911-21CPU15
19444992288,9cyclictest11905-21CPU10
19444992288,9cyclictest11905-21CPU10
19477992155,6cyclictest12104-21inotify_reader21:45:2128
19477992155,6cyclictest12104-21inotify_reader21:45:2128
1943099215188,25cyclictest0-21swapper/623:25:4236
1943099215188,25cyclictest0-21swapper/623:25:4236
1946899212205,3cyclictest0-21swapper/2900:05:1922
1946899212205,3cyclictest0-21swapper/2900:05:1922
1946899212205,3cyclictest0-21swapper/2900:05:1922
1942799211207,2cyclictest0-21swapper/319:35:1523
1942799211207,2cyclictest0-21swapper/319:35:1523
19460992101,204cyclictest0-21swapper/2600:00:2219
19460992101,204cyclictest0-21swapper/2600:00:2119
1943299210198,3cyclictest1526-21dbus-daemon22:50:1938
1943299210198,3cyclictest1526-21dbus-daemon22:50:1938
1943299210198,3cyclictest1526-21dbus-daemon22:50:1938
1943299208193,7cyclictest9204-21TaskSchedulerSi19:50:2038
1943299208181,23cyclictest0-21swapper/823:51:1338
1943299208181,23cyclictest0-21swapper/823:51:1338
19426992084,64cyclictest8424-21inotify_reader00:05:1812
19426992084,64cyclictest8424-21inotify_reader00:05:1812
19426992084,64cyclictest8424-21inotify_reader00:05:1812
194499920754,143cyclictest19583-21inotify_reader00:05:1915
194499920754,143cyclictest19583-21inotify_reader00:05:1915
194499920754,143cyclictest19583-21inotify_reader00:05:1915
1948399205201,2cyclictest0-21swapper/3919:55:1733
19429992055,176cyclictest15978-21CPU35
1947699200133,64cyclictest9334-21CPU27
1947699200133,64cyclictest9334-21CPU27
1947699200133,64cyclictest9334-21CPU27
19449991991,53cyclictest29026-21inotify_reader20:00:2015
19429991981,73cyclictest8616-21TaskSchedulerSi00:25:2235
19429991981,73cyclictest8616-21TaskSchedulerSi00:25:2135
19429991981,73cyclictest8616-21TaskSchedulerSi00:25:2135
19448991973,5cyclictest9535-21TaskSchedulerSi00:00:2114
19448991973,5cyclictest9535-21TaskSchedulerSi00:00:2114
19482991961,4cyclictest9903-21NetworkChangeNo22:10:1932
19482991961,4cyclictest9903-21NetworkChangeNo22:10:1932
194829919513,8cyclictest13689-21inotify_reader20:30:1932
194829919513,8cyclictest13689-21inotify_reader20:30:1832
19449991952,183cyclictest0-21swapper/2219:35:2015
19449991952,183cyclictest0-21swapper/2219:35:2015
19444991959,5cyclictest2918-21inotify_reader00:05:2010
19444991959,5cyclictest2918-21inotify_reader00:05:2010
19444991959,5cyclictest2918-21inotify_reader00:05:2010
1943999194156,29cyclictest0-21swapper/1323:41:495
1943999194156,29cyclictest0-21swapper/1323:41:495
19429991941,88cyclictest0-21swapper/523:40:2235
19429991941,88cyclictest0-21swapper/523:40:2235
1946899193185,4cyclictest15979-21CPU22
1946899193185,4cyclictest15979-21CPU22
1944299192118,68cyclictest15981-21CPU8
1943899192150,14cyclictest0-21swapper/1222:20:454
1943899192150,14cyclictest0-21swapper/1222:20:454
19460991915,78cyclictest137650irq/48-eno1-TxRx-600:05:1819
19460991915,78cyclictest137650irq/48-eno1-TxRx-600:05:1819
19460991915,78cyclictest137650irq/48-eno1-TxRx-600:05:1819
1943899190148,26cyclictest0-21swapper/1221:00:194
1943899190148,26cyclictest0-21swapper/1221:00:194
1943299189163,4cyclictest0-21swapper/822:15:2038
1943299189163,4cyclictest0-21swapper/822:15:2038
1943299189163,4cyclictest0-21swapper/822:15:2038
19449991871,180cyclictest0-21swapper/2223:45:1915
19449991871,180cyclictest0-21swapper/2223:45:1915
19448991877,9cyclictest28458-21NetworkChangeNo23:40:2114
19448991877,9cyclictest28458-21NetworkChangeNo23:40:2014
19439991871,125cyclictest0-21swapper/1321:50:205
19439991871,125cyclictest0-21swapper/1321:50:205
19439991871,125cyclictest0-21swapper/1321:50:205
1943099187179,6cyclictest0-21swapper/621:52:3836
1943099187179,6cyclictest0-21swapper/621:52:3736
1943099187179,6cyclictest0-21swapper/621:52:3736
1947899186120,57cyclictest3858-21NetworkChangeNo19:50:2029
1946899186167,17cyclictest0-21swapper/2921:17:2222
1946899186167,17cyclictest0-21swapper/2921:17:2222
1946199186173,11cyclictest0-21swapper/2700:17:3820
1946199186173,11cyclictest0-21swapper/2700:17:3820
19478991852,164cyclictest28748-21inotify_reader19:55:2029
1947699185124,50cyclictest11901-21CPU27
1947699185124,50cyclictest11901-21CPU27
1948099184178,3cyclictest0-21swapper/3721:15:2231
1948099184178,3cyclictest0-21swapper/3721:15:2231
1943299184176,4cyclictest3078-21CPU38
1943299184176,4cyclictest3078-21CPU38
19429991841,179cyclictest0-21swapper/523:55:2135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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