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2025-12-07 - 14:25
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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 Sun Dec 07, 2025 13:00:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1495099284211,20cyclictest0-21swapper/2309:30:2116
1495099284211,20cyclictest0-21swapper/2309:30:2116
1495099284211,20cyclictest0-21swapper/2309:30:2116
1495099238212,12cyclictest0-21swapper/2308:35:2016
1495099238212,12cyclictest0-21swapper/2308:35:2016
1496399229211,7cyclictest12297-21TaskSchedulerSi10:00:2024
1496399229211,7cyclictest12297-21TaskSchedulerSi10:00:2024
1496399229211,7cyclictest12297-21TaskSchedulerSi10:00:2024
1495099228203,10cyclictest0-21swapper/2309:55:2116
1495099228203,10cyclictest0-21swapper/2309:55:2116
1495099224197,16cyclictest25200-21inotify_reader07:40:1816
1495099224197,16cyclictest25200-21inotify_reader07:40:1816
1495099224197,16cyclictest25200-21inotify_reader07:40:1816
1495099223196,17cyclictest7598-21TaskSchedulerSi08:50:1916
1495099223196,17cyclictest7598-21TaskSchedulerSi08:50:1916
1498499222113,102cyclictest0-21swapper/3910:45:2033
1498499222113,102cyclictest0-21swapper/3910:45:2033
1498499222113,102cyclictest0-21swapper/3910:45:1933
14961992204,209cyclictest15984-21CPU22
14961992204,209cyclictest15984-21CPU22
149849921362,139cyclictest40461-21inotify_reader07:20:2033
149849921362,139cyclictest40461-21inotify_reader07:20:2033
1495099205199,4cyclictest0-21swapper/2310:26:2716
1495099205199,4cyclictest0-21swapper/2310:26:2716
1495099205199,4cyclictest0-21swapper/2310:26:2716
1497699203198,3cyclictest0-21swapper/3710:00:1931
1497699203198,3cyclictest0-21swapper/3710:00:1931
1497699203198,3cyclictest0-21swapper/3710:00:1831
149779920292,99cyclictest11903-21CPU32
149779920292,99cyclictest11903-21CPU32
1492699201185,4cyclictest37890-21inotify_reader10:00:205
1492699201185,4cyclictest37890-21inotify_reader10:00:205
1492699201185,4cyclictest37890-21inotify_reader10:00:195
149739920034,41cyclictest3834-21TaskSchedulerSi10:00:1929
149739920034,41cyclictest3834-21TaskSchedulerSi10:00:1929
149739920034,41cyclictest3834-21TaskSchedulerSi10:00:1929
1498499198116,71cyclictest15984-21CPU33
1498499198116,71cyclictest15984-21CPU33
1498499198116,71cyclictest15984-21CPU33
1498499197156,36cyclictest0-21swapper/3910:00:3733
1498499197156,36cyclictest0-21swapper/3910:00:3733
1498499197156,36cyclictest0-21swapper/3910:00:3733
14951991971,190cyclictest0-21swapper/2408:05:1717
1489599197101,66cyclictest11899-21CPU34
1489599197101,66cyclictest11899-21CPU34
1495099196190,3cyclictest207-21ksoftirqd/2310:32:1716
1495099196190,3cyclictest207-21ksoftirqd/2310:32:1716
14889991968,177cyclictest5865-21inotify_reader09:55:200
14889991968,177cyclictest5865-21inotify_reader09:55:200
149239919345,137cyclictest6580-21TaskSchedulerSi10:15:183
149239919345,137cyclictest6580-21TaskSchedulerSi10:15:183
1495499190187,2cyclictest0-21swapper/2510:40:3018
1495499190187,2cyclictest0-21swapper/2510:40:2918
1491199190153,32cyclictest15979-21CPU39
1491199190153,32cyclictest15979-21CPU39
1495099189184,3cyclictest0-21swapper/2310:15:0116
1495099189184,3cyclictest0-21swapper/2310:15:0116
1495099189184,3cyclictest0-21swapper/2310:15:0116
1491999188182,3cyclictest0-21swapper/1011:05:202
1491999188182,3cyclictest0-21swapper/1011:05:202
1491999188182,3cyclictest0-21swapper/1011:05:202
1491999188182,3cyclictest0-21swapper/1011:05:202
149029918842,129cyclictest0-21swapper/610:50:2736
149029918842,129cyclictest0-21swapper/610:50:2736
14895991886,178cyclictest12401-21NetworkChangeNo11:30:2034
14895991886,178cyclictest12401-21NetworkChangeNo11:30:2034
14895991886,178cyclictest12401-21NetworkChangeNo11:30:2034
148899918813,168cyclictest36040-21tune2fs10:35:210
148899918813,168cyclictest36040-21tune2fs10:35:210
148899918813,168cyclictest36040-21tune2fs10:35:210
148899918712,171cyclictest13968-21inotify_reader07:30:170
148899918712,171cyclictest13968-21inotify_reader07:30:170
149379918652,129cyclictest28459-21inotify_reader07:10:197
149379918652,129cyclictest28459-21inotify_reader07:10:187
14895991863,7cyclictest13056-21inotify_reader10:00:2034
14895991863,7cyclictest13056-21inotify_reader10:00:1934
14895991863,7cyclictest13056-21inotify_reader10:00:1934
1494999185176,5cyclictest0-21swapper/2207:55:1315
1493899185161,10cyclictest0-21swapper/1608:25:228
1493899185161,10cyclictest0-21swapper/1608:25:228
1491999185180,3cyclictest0-21swapper/1010:00:172
1491999185180,3cyclictest0-21swapper/1010:00:172
1491999185180,3cyclictest0-21swapper/1010:00:162
1495099184177,5cyclictest0-21swapper/2311:27:1516
1495099184177,5cyclictest0-21swapper/2311:27:1516
1495099183166,9cyclictest207-21ksoftirqd/2312:37:3116
1495099183166,9cyclictest207-21ksoftirqd/2312:37:3116
1495099183166,9cyclictest207-21ksoftirqd/2312:37:3116
1493999183173,8cyclictest0-21swapper/1711:24:219
1493999183173,8cyclictest0-21swapper/1711:24:219
14961991821,176cyclictest12077-21NetworkChangeNo11:25:2122
14961991821,176cyclictest12077-21NetworkChangeNo11:25:2122
14951991821,165cyclictest0-21swapper/2410:55:2117
14951991821,165cyclictest0-21swapper/2410:55:2117
1495099182179,2cyclictest0-21swapper/2310:15:1816
1495099182179,2cyclictest0-21swapper/2310:15:1816
1495099182165,9cyclictest0-21swapper/2310:10:0116
1495099182165,9cyclictest0-21swapper/2310:10:0116
1490599182100,58cyclictest27033-21inotify_reader11:25:2037
1490599182100,58cyclictest27033-21inotify_reader11:25:2037
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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