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2026-07-16 - 23:25
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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 Thu Jul 16, 2026 13:01:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
931399226207,7cyclictest0-21swapper/3409:35:1428
931399226207,7cyclictest0-21swapper/3409:35:1328
931399226207,7cyclictest0-21swapper/3409:35:1328
927599223210,11cyclictest0-21swapper/212:39:2412
927599223210,11cyclictest0-21swapper/212:39:2312
931399222211,7cyclictest4407-21CPU28
931399222211,7cyclictest4407-21CPU28
928799222215,4cyclictest15456-21sshd10:06:314
928799222215,4cyclictest15456-21sshd10:06:304
928799222215,4cyclictest15456-21sshd10:06:304
928799219199,16cyclictest0-21swapper/1210:00:394
928799219199,16cyclictest0-21swapper/1210:00:394
929799215208,5cyclictest0-21swapper/2111:40:2914
929799215208,5cyclictest0-21swapper/2111:40:2914
929799215208,5cyclictest0-21swapper/2111:40:2914
929799214208,4cyclictest0-21swapper/2111:54:3614
929799214208,4cyclictest0-21swapper/2111:54:3514
929799214208,4cyclictest0-21swapper/2111:54:3514
927599214209,3cyclictest0-21swapper/207:25:1812
927599214209,3cyclictest0-21swapper/207:25:1812
929099213209,2cyclictest0-21swapper/1511:20:197
929099213209,2cyclictest0-21swapper/1511:20:197
931399208198,5cyclictest3542-21CPU28
931399208198,5cyclictest3542-21CPU28
928799207200,5cyclictest0-21swapper/1212:26:494
928799207200,5cyclictest0-21swapper/1212:26:494
929799206199,5cyclictest0-21swapper/2110:40:1814
929799206199,5cyclictest0-21swapper/2110:40:1814
929799206199,5cyclictest0-21swapper/2110:40:1814
929799206191,11cyclictest0-21swapper/2109:20:1314
929799206191,11cyclictest0-21swapper/2109:20:1214
928799203198,4cyclictest0-21swapper/1209:10:464
928799203198,4cyclictest0-21swapper/1209:10:454
930099202198,2cyclictest0-21swapper/2311:30:2916
930099202198,2cyclictest0-21swapper/2311:30:2916
929799202194,5cyclictest28323-21kill11:45:4914
929799202194,5cyclictest28323-21kill11:45:4814
929799202194,5cyclictest28323-21kill11:45:4814
931399201195,4cyclictest0-21swapper/3409:56:1528
931399201195,4cyclictest0-21swapper/3409:56:1528
931399201195,4cyclictest0-21swapper/3409:56:1528
929499201180,11cyclictest0-21swapper/1809:35:2410
929499201180,11cyclictest0-21swapper/1809:35:2410
929499201180,11cyclictest0-21swapper/1809:35:2410
931899200144,40cyclictest37353-21CPU32
931899200144,40cyclictest37353-21CPU32
931899200144,40cyclictest37353-21CPU32
929799200194,4cyclictest0-21swapper/2107:35:1814
929799200194,4cyclictest0-21swapper/2107:35:1814
931399199189,6cyclictest2459-21CPU28
931399199189,6cyclictest2459-21CPU28
929799199192,5cyclictest0-21swapper/2111:24:1014
929799199192,5cyclictest0-21swapper/2111:24:0914
929799199187,10cyclictest0-21swapper/2112:20:1914
929799199187,10cyclictest0-21swapper/2112:20:1814
929499199193,4cyclictest0-21swapper/1811:49:4110
929499199193,4cyclictest0-21swapper/1811:49:4010
929499199193,4cyclictest0-21swapper/1811:49:4010
928499199189,6cyclictest4407-21CPU39
928499199189,6cyclictest4407-21CPU39
931599198195,2cyclictest0-21swapper/3508:55:0129
931599198195,2cyclictest0-21swapper/3508:55:0129
929799198193,4cyclictest0-21swapper/2111:57:0014
929799198193,4cyclictest0-21swapper/2111:56:5914
929799198193,4cyclictest0-21swapper/2111:56:5914
929799198193,4cyclictest0-21swapper/2108:30:5614
929799198193,4cyclictest0-21swapper/2108:30:5614
929499198192,4cyclictest0-21swapper/1810:11:0910
929499198192,4cyclictest0-21swapper/1810:11:0810
928799198189,7cyclictest0-21swapper/1208:01:034
928799198189,7cyclictest0-21swapper/1208:01:034
931399197190,5cyclictest0-21swapper/3411:20:1428
931399197190,5cyclictest0-21swapper/3411:20:1428
929799197192,4cyclictest0-21swapper/2112:30:4014
929799197192,4cyclictest0-21swapper/2112:30:3914
928499197188,7cyclictest0-21swapper/910:30:3739
928499197188,7cyclictest0-21swapper/910:30:3639
928499197187,8cyclictest0-21swapper/910:58:0539
928499197187,8cyclictest0-21swapper/910:58:0439
929799196191,3cyclictest142550irq/47-eno1-TxRx-508:20:3314
929799196191,3cyclictest142550irq/47-eno1-TxRx-508:20:3314
929799196190,4cyclictest0-21swapper/2112:13:5114
929799196190,4cyclictest0-21swapper/2112:13:5114
929799196190,4cyclictest0-21swapper/2109:00:0214
929799196190,4cyclictest0-21swapper/2109:00:0114
929799196189,5cyclictest0-21swapper/2110:14:4714
929799196189,5cyclictest0-21swapper/2110:14:4714
929799196189,4cyclictest0-21swapper/2112:05:2114
929799196189,4cyclictest0-21swapper/2112:05:2114
928799196187,6cyclictest755-21systemd-journal12:30:294
928799196187,6cyclictest755-21systemd-journal12:30:284
928799195189,4cyclictest0-21swapper/1210:00:064
928799195189,4cyclictest0-21swapper/1210:00:054
928799195189,4cyclictest0-21swapper/1210:00:054
927599195191,3cyclictest0-21swapper/212:22:2512
927599195191,3cyclictest0-21swapper/212:22:2412
929499194185,6cyclictest0-21swapper/1810:35:1410
929499194185,6cyclictest0-21swapper/1810:35:1310
927899194178,7cyclictest0-21swapper/412:02:1234
927899194178,7cyclictest0-21swapper/412:02:1234
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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