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2025-11-19 - 18:07
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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 Wed Nov 19, 2025 13:02:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146829924824,195cyclictest0-21swapper/2808:40:2121
146829924824,195cyclictest0-21swapper/2808:40:2121
146829924824,195cyclictest0-21swapper/2808:40:2121
1464699228205,8cyclictest4905-21CPU6
1464699228205,8cyclictest4905-21CPU6
14640992231,211cyclictest0-21swapper/812:00:1938
14640992231,211cyclictest0-21swapper/812:00:1938
1464399222209,2cyclictest0-21swapper/1108:20:183
1464399222209,2cyclictest0-21swapper/1108:20:183
14640992181,206cyclictest0-21swapper/809:15:2038
14640992181,206cyclictest0-21swapper/809:15:2038
14640992181,206cyclictest0-21swapper/809:15:2038
1464399214174,22cyclictest0-21swapper/1109:25:193
1464399214174,22cyclictest0-21swapper/1109:25:193
1464399214174,22cyclictest0-21swapper/1109:25:183
34172992110,84rtkit-daemon0-21swapper/3712:24:079
34172992110,84rtkit-daemon0-21swapper/3712:24:079
1464699210199,6cyclictest0-21swapper/1409:45:456
1464699210199,6cyclictest0-21swapper/1409:45:456
1464699210199,6cyclictest0-21swapper/1409:45:446
1464699210199,6cyclictest0-21swapper/1409:45:446
14644992101,12cyclictest0-21swapper/1208:30:214
14644992101,12cyclictest0-21swapper/1208:30:214
1464399209175,19cyclictest8790-21inotify_reader08:45:183
1464399209175,19cyclictest8790-21inotify_reader08:45:183
1463999204131,64cyclictest11261-21NetworkChangeNo10:35:2337
1463999204131,64cyclictest11261-21NetworkChangeNo10:35:2337
1463999204131,64cyclictest11261-21NetworkChangeNo10:35:2337
1470799201197,2cyclictest0-21swapper/3808:45:2132
1470799201197,2cyclictest0-21swapper/3808:45:2132
1463899199179,3cyclictest11442-21inotify_reader10:45:1936
1463899199179,3cyclictest11442-21inotify_reader10:45:1936
1463899199179,3cyclictest11442-21inotify_reader10:45:1936
146419919872,121cyclictest0-21swapper/912:38:5139
146419919872,121cyclictest0-21swapper/912:38:5139
146419919872,121cyclictest0-21swapper/912:38:5039
1469199195121,58cyclictest0-21swapper/3310:45:1927
1469199195121,58cyclictest0-21swapper/3310:45:1927
1469199195121,58cyclictest0-21swapper/3310:45:1927
1464399192173,9cyclictest14595-21NetworkChangeNo08:25:173
1464399192173,9cyclictest14595-21NetworkChangeNo08:25:173
14639991910,183cyclictest11903-21CPU37
14639991910,183cyclictest11903-21CPU37
14683991891,184cyclictest0-21swapper/2909:40:2222
14683991891,184cyclictest0-21swapper/2909:40:2122
14683991891,184cyclictest0-21swapper/2909:40:2122
14683991891,146cyclictest0-21swapper/2908:40:2122
14683991891,146cyclictest0-21swapper/2908:40:2122
14683991891,146cyclictest0-21swapper/2908:40:2122
14682991892,183cyclictest0-21swapper/2809:25:1921
14682991892,183cyclictest0-21swapper/2809:25:1921
14682991892,183cyclictest0-21swapper/2809:25:1921
1464199189138,41cyclictest15980-21CPU39
1464199189138,41cyclictest15980-21CPU39
14683991881,182cyclictest0-21swapper/2908:25:1922
14683991881,182cyclictest0-21swapper/2908:25:1922
1468199188171,10cyclictest0-21swapper/2712:36:1120
1468199188171,10cyclictest0-21swapper/2712:36:1120
1468199188171,10cyclictest0-21swapper/2712:36:1120
14640991881,183cyclictest0-21swapper/808:35:1938
14640991881,183cyclictest0-21swapper/808:35:1938
14683991861,95cyclictest0-21swapper/2907:20:1922
14683991861,95cyclictest0-21swapper/2907:20:1922
1465399186144,12cyclictest39230-21TaskSchedulerSi08:20:2013
1465399186144,12cyclictest39230-21TaskSchedulerSi08:20:2013
1464199186134,46cyclictest15984-21CPU39
1464199186134,46cyclictest15984-21CPU39
1464199186134,46cyclictest15984-21CPU39
1466599185163,9cyclictest0-21swapper/2310:40:3916
1466599185163,9cyclictest0-21swapper/2310:40:3916
1466599185163,9cyclictest0-21swapper/2310:40:3916
1468199184177,4cyclictest0-21swapper/2709:11:1220
1468199184177,4cyclictest0-21swapper/2709:11:1220
1468199184177,4cyclictest0-21swapper/2709:11:1220
146509918382,89cyclictest10788-21TaskSchedulerSi09:30:209
146509918382,89cyclictest10788-21TaskSchedulerSi09:30:209
1464699183170,5cyclictest0-21swapper/1412:04:026
1464699183170,5cyclictest0-21swapper/1412:04:026
1464699182172,8cyclictest0-21swapper/1410:38:586
1464699182172,8cyclictest0-21swapper/1410:38:586
1464699182172,8cyclictest0-21swapper/1410:38:586
1464699181165,13cyclictest0-21swapper/1407:31:556
1464699181165,13cyclictest0-21swapper/1407:31:556
14641991811,173cyclictest0-21swapper/908:35:1939
14641991811,173cyclictest0-21swapper/908:35:1939
146379918019,150cyclictest29225-21NetworkChangeNo10:20:2035
146379918019,150cyclictest29225-21NetworkChangeNo10:20:2035
146379918019,150cyclictest29225-21NetworkChangeNo10:20:2035
1467199179122,35cyclictest11902-21CPU17
1467199179122,35cyclictest11902-21CPU17
14640991791,4cyclictest15980-21CPU38
14640991791,4cyclictest15980-21CPU38
14640991791,4cyclictest15980-21CPU38
1468199178155,9cyclictest0-21swapper/2711:53:4220
1468199178155,9cyclictest0-21swapper/2711:53:4220
1468199178155,9cyclictest0-21swapper/2711:53:4220
1468099178151,25cyclictest0-21swapper/2611:56:3919
1468099178151,25cyclictest0-21swapper/2611:56:3919
1468099178151,25cyclictest0-21swapper/2611:56:3919
1467199178132,18cyclictest0-21swapper/2412:19:0617
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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