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2026-06-11 - 23:05
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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 rackdslot3.osadl.org (updated Thu Jun 11, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44942227163,22sleep00-21swapper/007:08:430
43462216152,21sleep10-21swapper/107:06:461
139491204169,23phc2sys0-21swapper/307:09:263
44042202168,22sleep20-21swapper/207:07:332
1619121190,2sleep00-21swapper/009:45:230
1394918561,15phc2sys0-21swapper/307:10:013
4894996428,7cyclictest9-21ksoftirqd/011:20:000
4894996428,7cyclictest9-21ksoftirqd/011:20:000
139391640,1ptp4l391rcuc/308:25:253
4894996226,7cyclictest9-21ksoftirqd/009:55:010
4894996225,8cyclictest9-21ksoftirqd/010:45:010
101192620,2sleep10-21swapper/109:35:131
489799614,17cyclictest19670-21unixbench_singl08:45:263
4894996127,6cyclictest9-21ksoftirqd/011:40:200
4894995924,6cyclictest9-21ksoftirqd/011:15:000
4894995923,5cyclictest9-21ksoftirqd/007:50:010
4894995923,5cyclictest9-21ksoftirqd/007:50:000
4894995921,6cyclictest9-21ksoftirqd/009:25:000
139391590,1ptp4l391rcuc/307:35:103
489799582,11cyclictest139491phc2sys11:55:173
4894995828,7cyclictest9-21ksoftirqd/010:30:240
4894995824,5cyclictest9-21ksoftirqd/007:50:140
4894995823,6cyclictest9-21ksoftirqd/011:05:240
4894995821,8cyclictest9-21ksoftirqd/008:04:590
139391580,1ptp4l391rcuc/309:25:273
489799575,10cyclictest9663-21/usr/sbin/munin07:20:233
4894995725,6cyclictest9-21ksoftirqd/011:50:260
4894995723,6cyclictest9-21ksoftirqd/010:55:180
4894995723,5cyclictest9-21ksoftirqd/008:45:000
4894995722,6cyclictest9-21ksoftirqd/010:15:180
4894995722,6cyclictest9-21ksoftirqd/008:25:170
4894995722,6cyclictest9-21ksoftirqd/007:40:010
489799565,12cyclictest21884-21irqrtprio11:05:193
489799563,10cyclictest17791-21date08:45:013
4894995625,4cyclictest9-21ksoftirqd/009:25:130
4894995624,7cyclictest9-21ksoftirqd/010:25:310
4894995624,6cyclictest9-21ksoftirqd/012:40:000
4894995624,6cyclictest9-21ksoftirqd/008:45:120
4894995624,5cyclictest9-21ksoftirqd/007:25:220
4894995622,6cyclictest9-21ksoftirqd/009:15:130
4894995621,6cyclictest9-21ksoftirqd/012:30:210
4894995617,5cyclictest9-21ksoftirqd/012:15:000
4894995616,7cyclictest9-21ksoftirqd/009:35:250
489799554,11cyclictest27257-21df_abs10:10:143
4894995526,7cyclictest9-21ksoftirqd/011:50:000
4894995523,5cyclictest9-21ksoftirqd/010:05:180
4894995522,6cyclictest9-21ksoftirqd/008:35:140
4894995521,6cyclictest9-21ksoftirqd/011:00:260
4894995520,6cyclictest9-21ksoftirqd/012:20:260
4894995520,5cyclictest9-21ksoftirqd/008:05:250
4894995518,5cyclictest9-21ksoftirqd/007:30:180
489799542,10cyclictest18243-21irqrtprio12:05:183
4894995425,4cyclictest9-21ksoftirqd/008:30:260
4894995424,5cyclictest9-21ksoftirqd/011:20:130
4894995424,5cyclictest9-21ksoftirqd/011:20:130
4894995423,5cyclictest9-21ksoftirqd/012:00:270
4894995420,6cyclictest9-21ksoftirqd/011:35:130
4894995420,6cyclictest9-21ksoftirqd/008:55:240
4894995420,6cyclictest9-21ksoftirqd/008:20:250
4894995420,6cyclictest9-21ksoftirqd/008:20:250
4894995420,5cyclictest9-21ksoftirqd/012:25:230
4894995419,5cyclictest9-21ksoftirqd/008:55:010
489799532,11cyclictest9997-21latency10:40:213
489799532,11cyclictest12422-21df_abs07:25:133
4894995321,6cyclictest9-21ksoftirqd/007:15:180
4894995321,4cyclictest9-21ksoftirqd/010:50:220
4894995320,5cyclictest9-21ksoftirqd/007:20:190
4894995319,5cyclictest9-21ksoftirqd/010:20:120
4894995315,6cyclictest9-21ksoftirqd/009:30:150
42002530,2sleep20-21swapper/211:35:212
489799524,10cyclictest15892-21sed07:30:243
4894995221,6cyclictest9-21ksoftirqd/010:45:120
4894995221,5cyclictest9-21ksoftirqd/009:55:150
4894995221,5cyclictest9-21ksoftirqd/007:55:220
4894995221,4cyclictest9-21ksoftirqd/008:10:210
4894995220,6cyclictest9-21ksoftirqd/011:30:130
4894995220,3cyclictest9-21ksoftirqd/012:15:190
4894995219,5cyclictest9-21ksoftirqd/008:15:190
4894995218,6cyclictest9-21ksoftirqd/010:35:140
4894995217,5cyclictest9-21ksoftirqd/011:25:120
489799512,11cyclictest29173-21expr08:00:143
4894995119,3cyclictest9-21ksoftirqd/010:05:010
4894995115,8cyclictest9-21ksoftirqd/010:10:150
4894995019,4cyclictest9-21ksoftirqd/009:05:140
4894995018,6cyclictest9-21ksoftirqd/007:15:010
4894995015,7cyclictest9-21ksoftirqd/009:40:130
4894995013,5cyclictest9-21ksoftirqd/011:55:110
219782500,6sleep2489699cyclictest08:50:262
489799494,10cyclictest28285-21df_abs09:05:153
4894994918,8cyclictest9-21ksoftirqd/009:10:120
489799481,11cyclictest31670-21latency_hist12:35:003
489699483,5cyclictest33-21ksoftirqd/207:55:182
4894994815,5cyclictest9-21ksoftirqd/009:00:200
489799474,10cyclictest20767-21expr08:50:133
489799464,9cyclictest7553-21expr07:15:143
489799462,17cyclictest31930-21unixbench_multi09:10:263
489799461,15cyclictest29246-21/usr/sbin/munin10:15:133
489799454,18cyclictest15964-21irqrtprio12:00:193
489799451,8cyclictest18598-21apt-config11:00:003
489799450,11cyclictest0-21swapper/310:05:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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