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2026-03-31 - 16:04
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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 rack1slot1.osadl.org (updated Tue Mar 31, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264002209158,26sleep30-21swapper/307:08:003
244442208145,20sleep20-21swapper/207:05:052
264662201163,24sleep00-21swapper/007:08:490
263062198161,24sleep10-21swapper/107:06:451
54462720,0sleep10-21swapper/110:14:241
55102700,0sleep10-21swapper/107:30:161
114472610,0sleep30-21swapper/311:45:143
84312600,0sleep30-21swapper/311:00:003
273092600,0sleep00-21swapper/011:24:480
236622410,1sleep09-21ksoftirqd/012:00:170
26632991919,0cyclictest9-21ksoftirqd/012:20:160
26632991919,0cyclictest9-21ksoftirqd/011:55:190
26632991917,1cyclictest9-21ksoftirqd/011:50:160
26632991917,1cyclictest9-21ksoftirqd/008:05:000
26632991817,1cyclictest9-21ksoftirqd/011:15:130
26632991817,1cyclictest9-21ksoftirqd/011:00:170
26632991817,1cyclictest9-21ksoftirqd/010:35:160
26632991817,1cyclictest9-21ksoftirqd/010:05:140
26632991817,0cyclictest9-21ksoftirqd/010:50:180
26639991715,1cyclictest28-21ksoftirqd/210:15:192
26632991717,0cyclictest9-21ksoftirqd/010:00:120
26632991717,0cyclictest9-21ksoftirqd/008:25:160
26632991716,1cyclictest9-21ksoftirqd/009:37:160
26632991716,1cyclictest9-21ksoftirqd/008:05:160
26632991716,0cyclictest9-21ksoftirqd/009:15:110
26632991715,1cyclictest9-21ksoftirqd/010:00:000
26639991616,0cyclictest28-21ksoftirqd/212:35:192
26639991615,1cyclictest28-21ksoftirqd/207:50:002
26632991616,0cyclictest9-21ksoftirqd/010:19:180
26632991616,0cyclictest9-21ksoftirqd/007:30:110
26632991615,1cyclictest9-21ksoftirqd/012:30:030
26632991615,1cyclictest9-21ksoftirqd/010:55:160
26632991615,1cyclictest9-21ksoftirqd/009:10:100
26632991615,1cyclictest9-21ksoftirqd/008:50:090
26639991513,1cyclictest28-21ksoftirqd/210:50:182
26639991513,1cyclictest28-21ksoftirqd/208:05:002
26632991515,0cyclictest9-21ksoftirqd/012:14:150
26632991515,0cyclictest9-21ksoftirqd/010:10:150
26632991515,0cyclictest9-21ksoftirqd/009:41:420
26632991514,1cyclictest9-21ksoftirqd/011:45:420
26632991514,1cyclictest9-21ksoftirqd/011:44:330
26632991514,1cyclictest9-21ksoftirqd/009:31:350
26632991514,1cyclictest9-21ksoftirqd/007:50:130
26632991514,1cyclictest9-21ksoftirqd/007:10:130
26632991510,5cyclictest9-21ksoftirqd/010:40:120
26639991414,0cyclictest28-21ksoftirqd/212:03:052
26639991414,0cyclictest28-21ksoftirqd/209:45:272
26639991413,1cyclictest28-21ksoftirqd/212:30:152
26639991413,1cyclictest28-21ksoftirqd/211:45:112
26639991413,1cyclictest28-21ksoftirqd/210:35:162
26639991413,1cyclictest28-21ksoftirqd/210:05:142
26639991413,0cyclictest28-21ksoftirqd/211:15:142
26639991412,1cyclictest28-21ksoftirqd/208:40:002
26639991412,1cyclictest28-21ksoftirqd/208:05:152
26632991414,0cyclictest9-21ksoftirqd/011:06:350
26632991414,0cyclictest9-21ksoftirqd/010:30:200
26632991414,0cyclictest9-21ksoftirqd/010:30:190
26632991414,0cyclictest9-21ksoftirqd/007:35:130
26632991413,1cyclictest9-21ksoftirqd/011:10:180
26632991413,1cyclictest9-21ksoftirqd/010:46:030
26632991412,2cyclictest9-21ksoftirqd/009:45:210
26639991313,0cyclictest28-21ksoftirqd/210:00:002
26639991312,1cyclictest28-21ksoftirqd/211:50:162
26639991312,1cyclictest28-21ksoftirqd/211:00:172
26639991312,1cyclictest28-21ksoftirqd/210:15:002
26639991312,1cyclictest28-21ksoftirqd/209:50:152
26639991312,1cyclictest28-21ksoftirqd/209:25:002
26639991312,1cyclictest28-21ksoftirqd/209:15:112
26639991312,1cyclictest28-21ksoftirqd/208:25:162
26639991311,1cyclictest28-21ksoftirqd/207:55:002
2663299138,4cyclictest9-21ksoftirqd/012:15:120
26632991313,0cyclictest9-21ksoftirqd/008:30:000
26632991312,1cyclictest9-21ksoftirqd/012:07:010
26632991312,1cyclictest9-21ksoftirqd/010:25:110
26632991312,1cyclictest9-21ksoftirqd/009:53:570
26632991311,1cyclictest9-21ksoftirqd/010:20:110
2664699121,7cyclictest19739-21diskmemload11:14:183
2664699120,11cyclictest1886-21gltestperf08:30:163
2663999129,2cyclictest28-21ksoftirqd/208:20:002
26639991212,0cyclictest28-21ksoftirqd/212:20:192
26639991211,1cyclictest28-21ksoftirqd/210:55:172
26639991211,1cyclictest28-21ksoftirqd/209:41:422
26639991211,1cyclictest28-21ksoftirqd/208:20:222
26639991210,1cyclictest28-21ksoftirqd/212:20:002
26639991210,1cyclictest28-21ksoftirqd/209:30:002
26639991210,1cyclictest28-21ksoftirqd/209:15:002
26632991211,1cyclictest9-21ksoftirqd/012:40:000
26632991211,1cyclictest9-21ksoftirqd/011:35:020
26632991211,1cyclictest9-21ksoftirqd/011:35:000
26632991211,1cyclictest9-21ksoftirqd/009:30:000
26632991211,1cyclictest9-21ksoftirqd/008:20:000
26632991211,1cyclictest9-21ksoftirqd/007:55:150
26632991211,1cyclictest9-21ksoftirqd/007:50:000
26632991210,1cyclictest9-21ksoftirqd/008:50:000
26632991210,1cyclictest9-21ksoftirqd/008:45:000
188282120,0sleep10-21swapper/112:35:261
2664699119,1cyclictest35-21ksoftirqd/308:45:003
2663999119,1cyclictest28-21ksoftirqd/212:30:002
2663999119,1cyclictest28-21ksoftirqd/210:40:132
2663999116,4cyclictest28-21ksoftirqd/211:20:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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