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2026-08-12 - 00:15
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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 Tue Aug 11, 2026 13:02:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2675993001,296cyclictest0-21swapper/2211:20:1415
2675993001,296cyclictest0-21swapper/2211:20:1415
2675993001,296cyclictest0-21swapper/2211:20:1415
2675992711,259cyclictest0-21swapper/2212:30:1515
2675992711,259cyclictest0-21swapper/2212:30:1415
2675992532,245cyclictest37358-21CPU15
2675992532,245cyclictest37358-21CPU15
2675992491,2cyclictest0-21swapper/2212:12:2115
2675992491,2cyclictest0-21swapper/2212:12:2115
2675992491,2cyclictest0-21swapper/2212:12:2115
2675992491,241cyclictest0-21swapper/2211:01:0915
2675992491,241cyclictest0-21swapper/2211:01:0815
2675992491,241cyclictest0-21swapper/2211:01:0815
2675992481,240cyclictest0-21swapper/2211:40:2315
2675992481,240cyclictest0-21swapper/2211:40:2315
2675992481,233cyclictest0-21swapper/2209:35:1815
2675992481,233cyclictest0-21swapper/2209:35:1815
2675992471,237cyclictest0-21swapper/2210:54:2315
2675992471,237cyclictest0-21swapper/2210:54:2315
2675992471,237cyclictest0-21swapper/2210:54:2315
2675992440,2cyclictest0-21swapper/2210:56:3815
2675992440,2cyclictest0-21swapper/2210:56:3815
2675992431,234cyclictest0-21swapper/2211:10:2015
2675992431,234cyclictest0-21swapper/2211:10:2015
2675992431,234cyclictest0-21swapper/2211:10:2015
2675992402,228cyclictest4407-21CPU15
2675992402,228cyclictest4407-21CPU15
2675992401,229cyclictest0-21swapper/2209:30:1515
2675992401,229cyclictest0-21swapper/2209:30:1415
2675992401,229cyclictest0-21swapper/2209:30:1415
2675992361,2cyclictest0-21swapper/2212:16:2515
2675992361,2cyclictest0-21swapper/2212:16:2415
2675992361,2cyclictest0-21swapper/2212:16:2415
2675992351,230cyclictest0-21swapper/2212:06:2515
2675992351,230cyclictest0-21swapper/2212:06:2415
2675992351,230cyclictest0-21swapper/2208:20:1415
2675992351,230cyclictest0-21swapper/2208:20:1415
2675992351,223cyclictest0-21swapper/2207:40:1515
2675992341,4cyclictest2462-21CPU15
2675992341,4cyclictest2462-21CPU15
2675992341,2cyclictest0-21swapper/2211:45:1715
2675992341,2cyclictest0-21swapper/2211:45:1715
2675992341,2cyclictest0-21swapper/2209:20:0315
2675992341,2cyclictest0-21swapper/2209:20:0315
2675992340,2cyclictest0-21swapper/2210:20:3015
2675992340,2cyclictest0-21swapper/2210:20:3015
2675992331,3cyclictest1-21systemd10:14:3315
2675992331,3cyclictest1-21systemd10:14:3215
2675992321,225cyclictest0-21swapper/2211:55:5015
2675992321,225cyclictest0-21swapper/2211:55:5015
2675992311,222cyclictest0-21swapper/2208:18:4515
2675992311,222cyclictest0-21swapper/2208:18:4515
2675992311,219cyclictest0-21swapper/2210:06:1115
2675992311,219cyclictest0-21swapper/2210:06:1015
2675992311,219cyclictest0-21swapper/2210:06:1015
2675992310,2cyclictest0-21swapper/2208:41:0415
2675992310,2cyclictest0-21swapper/2208:41:0315
2675992301,2cyclictest0-21swapper/2212:01:0015
2675992301,2cyclictest0-21swapper/2212:01:0015
2675992291,2cyclictest0-21swapper/2212:20:2615
2675992291,2cyclictest0-21swapper/2212:20:2615
2675992291,2cyclictest0-21swapper/2212:20:2615
2675992281,2cyclictest0-21swapper/2211:35:4215
2675992281,2cyclictest0-21swapper/2211:35:4115
2675992281,2cyclictest0-21swapper/2208:01:3815
2675992281,2cyclictest0-21swapper/2208:01:3815
2675992281,223cyclictest0-21swapper/2209:20:1415
2675992281,223cyclictest0-21swapper/2209:20:1415
2675992260,2cyclictest0-21swapper/2209:51:0515
2675992260,2cyclictest0-21swapper/2209:51:0515
2675992260,2cyclictest0-21swapper/2209:51:0515
2675992251,2cyclictest0-21swapper/2209:41:5715
2675992251,2cyclictest0-21swapper/2209:41:5615
2675992250,2cyclictest0-21swapper/2208:31:4615
2675992241,2cyclictest0-21swapper/2211:25:4415
2675992241,2cyclictest0-21swapper/2211:25:4415
2675992241,2cyclictest0-21swapper/2210:30:1815
2675992241,2cyclictest0-21swapper/2210:30:1815
2675992241,216cyclictest0-21swapper/2207:20:1715
2675992241,216cyclictest0-21swapper/2207:20:1715
2675992240,5cyclictest13759-21systemd10:35:1515
2675992240,5cyclictest13759-21systemd10:35:1515
2675992231,218cyclictest0-21swapper/2210:47:3415
2675992231,218cyclictest0-21swapper/2210:47:3315
2675992230,2cyclictest0-21swapper/2209:45:3915
2675992230,2cyclictest0-21swapper/2209:45:3915
2675992221,2cyclictest0-21swapper/2211:20:0115
2675992221,2cyclictest0-21swapper/2211:20:0015
2675992221,218cyclictest0-21swapper/2209:57:2715
2675992221,218cyclictest0-21swapper/2209:57:2715
2675992221,218cyclictest0-21swapper/2209:57:2715
2675992201,2cyclictest0-21swapper/2210:25:2815
2675992201,2cyclictest0-21swapper/2210:25:2715
2675992201,213cyclictest0-21swapper/2209:30:0015
2675992201,213cyclictest0-21swapper/2209:30:0015
2675992201,213cyclictest0-21swapper/2209:30:0015
2675992201,202cyclictest0-21swapper/2212:35:1315
2675992201,202cyclictest0-21swapper/2212:35:1315
2675992201,202cyclictest0-21swapper/2212:35:1315
2675992191,215cyclictest0-21swapper/2210:17:5715
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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