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2026-03-23 - 21:13
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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 Mar 23, 2026 13:04:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3106899241223,9cyclictest0-21swapper/3712:00:2431
3106899241223,9cyclictest0-21swapper/3712:00:2331
3106899241223,9cyclictest0-21swapper/3712:00:2331
3106899226216,8cyclictest0-21swapper/3710:50:2831
3106899226216,8cyclictest0-21swapper/3710:50:2831
3106899226208,10cyclictest0-21swapper/3711:05:2031
3106899226208,10cyclictest0-21swapper/3711:05:1931
3106899226208,10cyclictest0-21swapper/3711:05:1931
3106899216203,10cyclictest0-21swapper/3710:36:1631
3106899216203,10cyclictest0-21swapper/3710:36:1631
3106899216203,10cyclictest0-21swapper/3710:36:1531
3106899211202,7cyclictest0-21swapper/3711:15:2731
3106899211202,7cyclictest0-21swapper/3711:15:2631
3106899211202,5cyclictest0-21swapper/3711:01:4231
3106899211202,5cyclictest0-21swapper/3711:01:4131
3106899211202,5cyclictest0-21swapper/3711:01:4131
3106899210202,5cyclictest0-21swapper/3710:50:0131
3106899210202,5cyclictest0-21swapper/3710:50:0031
3106899209201,6cyclictest0-21swapper/3711:53:4331
3106899209201,6cyclictest0-21swapper/3711:53:4231
3106899207202,4cyclictest0-21swapper/3711:32:0231
3106899207202,4cyclictest0-21swapper/3711:32:0131
3106899207189,6cyclictest0-21swapper/3712:05:2331
3106899207189,6cyclictest0-21swapper/3712:05:2331
3103499206195,7cyclictest0-21swapper/1007:15:212
3103499206195,7cyclictest0-21swapper/1007:15:202
3104499205196,5cyclictest3545-21CPU10
3104499205196,5cyclictest3545-21CPU10
3106899202194,5cyclictest1360-21systemd-logind11:12:3031
3106899202194,5cyclictest1360-21systemd-logind11:12:3031
3106899202194,5cyclictest1360-21systemd-logind11:12:3031
3106899202193,6cyclictest0-21swapper/3711:56:1031
3106899202193,6cyclictest0-21swapper/3711:56:1031
3106899202193,6cyclictest0-21swapper/3710:23:2031
3106899202193,6cyclictest0-21swapper/3710:23:2031
3106899202193,6cyclictest0-21swapper/3710:23:2031
3106899201191,7cyclictest0-21swapper/3711:43:1631
3106899201191,7cyclictest0-21swapper/3711:43:1631
3106899201191,7cyclictest0-21swapper/3711:43:1631
3106899200193,5cyclictest0-21swapper/3712:10:2031
3106899200193,5cyclictest0-21swapper/3712:10:2031
3102699199194,3cyclictest0-21swapper/311:50:3623
3102699199194,3cyclictest0-21swapper/311:50:3623
3105499198179,15cyclictest0-21swapper/2707:14:2720
3105499198179,15cyclictest0-21swapper/2707:14:2720
3106899197186,7cyclictest0-21swapper/3710:58:5931
3106899197186,7cyclictest0-21swapper/3710:58:5931
3106899197186,7cyclictest0-21swapper/3710:58:5931
3106899196187,6cyclictest0-21swapper/3710:28:0531
3106899196187,6cyclictest0-21swapper/3710:28:0431
3106899196187,6cyclictest0-21swapper/3710:28:0431
3105999196190,4cyclictest0-21swapper/3110:21:3925
3105999196190,4cyclictest0-21swapper/3110:21:3925
3105999196190,4cyclictest0-21swapper/3110:21:3925
3105499196179,8cyclictest0-21swapper/2712:35:1920
3105499196179,8cyclictest0-21swapper/2712:35:1920
3104999195150,33cyclictest0-21swapper/2309:17:5516
3104999195150,33cyclictest0-21swapper/2309:17:5516
3104999195150,33cyclictest0-21swapper/2309:17:5516
3105499194177,11cyclictest0-21swapper/2712:21:0220
3105499194177,11cyclictest0-21swapper/2712:21:0220
3105499194177,11cyclictest0-21swapper/2712:21:0220
3105099194185,5cyclictest3541-21CPU17
3105099194185,5cyclictest3541-21CPU17
3104999193163,24cyclictest0-21swapper/2311:24:0916
3104999193163,24cyclictest0-21swapper/2311:24:0916
3104999193163,24cyclictest0-21swapper/2311:24:0916
3106899190183,4cyclictest0-21swapper/3711:20:1031
3106899190183,4cyclictest0-21swapper/3711:20:1031
3106899190183,4cyclictest0-21swapper/3711:20:1031
31061991901,99cyclictest0-21swapper/3312:00:1327
31061991901,99cyclictest0-21swapper/3312:00:1327
31061991901,99cyclictest0-21swapper/3312:00:1327
3104999190162,25cyclictest0-21swapper/2311:18:1016
3104999190162,25cyclictest0-21swapper/2311:18:0916
3105999189179,8cyclictest0-21swapper/3109:21:3225
3105999189179,8cyclictest0-21swapper/3109:21:3125
3105999189175,10cyclictest0-21swapper/3109:15:3525
3105999189175,10cyclictest0-21swapper/3109:15:3525
3105999189175,10cyclictest0-21swapper/3109:15:3525
310579918978,103cyclictest3546-21CPU22
310579918978,103cyclictest3546-21CPU22
3106899188183,4cyclictest0-21swapper/3711:39:1931
3106899188183,4cyclictest0-21swapper/3711:39:1931
3106899188183,4cyclictest0-21swapper/3711:39:1931
3106899188181,5cyclictest0-21swapper/3710:42:4631
3106899188181,5cyclictest0-21swapper/3710:42:4631
3106899188181,5cyclictest0-21swapper/3710:42:4631
31061991881,182cyclictest0-21swapper/3309:20:1927
31061991881,182cyclictest0-21swapper/3309:20:1927
3104999188170,15cyclictest0-21swapper/2309:58:3816
3104999188170,15cyclictest0-21swapper/2309:58:3816
3104999188170,15cyclictest0-21swapper/2309:58:3816
3103499188183,4cyclictest0-21swapper/1007:25:452
3103499188183,4cyclictest0-21swapper/1007:25:452
3105999187177,8cyclictest0-21swapper/3108:58:2425
3105999187177,8cyclictest0-21swapper/3108:58:2425
3105499187175,10cyclictest0-21swapper/2712:06:2920
3105499187175,10cyclictest0-21swapper/2712:06:2920
3106899186177,7cyclictest0-21swapper/3711:47:1031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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