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2026-06-01 - 01:10
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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 rackdslot4.osadl.org (updated Sun May 31, 2026 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185782226162,52sleep20-21swapper/207:07:052
187332208173,23sleep30-21swapper/307:09:053
186792205172,22sleep10-21swapper/107:08:231
186682204169,23sleep00-21swapper/007:08:150
1939121620,4sleep11910499cyclictest10:25:121
1881228262,10sleep10-21swapper/107:10:001
19104996328,8cyclictest25-21ksoftirqd/107:40:281
58502620,2sleep30-21swapper/311:00:243
56142620,2sleep10-21swapper/111:00:221
19104996231,4cyclictest25-21ksoftirqd/109:05:181
19103996234,4cyclictest9-21ksoftirqd/009:30:200
19103996231,4cyclictest9-21ksoftirqd/007:20:140
19104996131,3cyclictest25-21ksoftirqd/108:10:251
19104996127,3cyclictest25-21ksoftirqd/111:25:231
19103996132,4cyclictest9-21ksoftirqd/010:40:230
19103996125,6cyclictest9-21ksoftirqd/010:55:010
19104996029,4cyclictest25-21ksoftirqd/112:25:001
19103996029,4cyclictest9-21ksoftirqd/011:05:170
19104995929,3cyclictest25-21ksoftirqd/108:45:001
19104995927,4cyclictest25-21ksoftirqd/111:10:001
19104995924,4cyclictest25-21ksoftirqd/109:50:181
19104995923,3cyclictest25-21ksoftirqd/111:55:201
19103995926,4cyclictest9-21ksoftirqd/007:55:280
19104995828,4cyclictest25-21ksoftirqd/107:45:011
19104995827,3cyclictest25-21ksoftirqd/109:55:131
19104995827,3cyclictest25-21ksoftirqd/108:45:231
19104995826,3cyclictest25-21ksoftirqd/110:05:141
19104995823,4cyclictest25-21ksoftirqd/112:30:161
19104995818,4cyclictest25-21ksoftirqd/110:00:171
19103995830,3cyclictest9-21ksoftirqd/008:45:220
19103995825,4cyclictest9-21ksoftirqd/007:40:000
316842570,4sleep125-21ksoftirqd/110:50:111
19104995731,3cyclictest25-21ksoftirqd/108:05:271
19104995728,3cyclictest25-21ksoftirqd/109:25:191
19104995727,4cyclictest25-21ksoftirqd/112:15:121
19104995727,4cyclictest25-21ksoftirqd/112:15:121
19104995717,9cyclictest25-21ksoftirqd/107:35:141
19104995715,7cyclictest25-21ksoftirqd/107:57:431
19103995731,4cyclictest9-21ksoftirqd/009:55:260
19103995728,4cyclictest9-21ksoftirqd/007:45:140
19103995725,4cyclictest9-21ksoftirqd/009:50:200
19104995629,4cyclictest25-21ksoftirqd/110:10:131
19104995626,4cyclictest25-21ksoftirqd/107:30:131
19104995625,3cyclictest25-21ksoftirqd/107:50:121
19104995625,3cyclictest25-21ksoftirqd/107:50:121
19104995615,6cyclictest25-21ksoftirqd/108:02:571
19103995623,4cyclictest9-21ksoftirqd/011:35:250
19103995623,3cyclictest9-21ksoftirqd/008:55:180
19104995525,4cyclictest25-21ksoftirqd/111:20:221
19104995525,4cyclictest25-21ksoftirqd/108:25:271
19104995524,3cyclictest25-21ksoftirqd/108:55:141
19104995523,4cyclictest25-21ksoftirqd/109:15:121
19104995522,4cyclictest25-21ksoftirqd/110:45:221
19104995517,4cyclictest25-21ksoftirqd/111:52:321
19104995515,7cyclictest25-21ksoftirqd/108:17:211
19103995526,4cyclictest9-21ksoftirqd/011:00:220
19103995521,4cyclictest9-21ksoftirqd/011:00:010
156022550,1sleep30-21swapper/312:25:253
19104995432,2cyclictest25-21ksoftirqd/109:30:231
19104995427,2cyclictest25-21ksoftirqd/108:50:171
19104995421,4cyclictest25-21ksoftirqd/109:00:121
19104995421,4cyclictest25-21ksoftirqd/109:00:111
56152530,2sleep30-21swapper/308:50:263
19105995330,5cyclictest33-21ksoftirqd/207:55:012
19105995330,5cyclictest33-21ksoftirqd/207:55:002
19104995326,4cyclictest25-21ksoftirqd/110:15:211
19104995326,3cyclictest25-21ksoftirqd/112:05:191
19104995323,4cyclictest25-21ksoftirqd/111:45:131
19104995316,7cyclictest25-21ksoftirqd/107:28:141
19103995342,3cyclictest9-21ksoftirqd/011:15:000
19103995325,5cyclictest9-21ksoftirqd/007:15:210
19103995324,4cyclictest9-21ksoftirqd/010:25:000
19103995322,4cyclictest9-21ksoftirqd/007:30:000
19104995225,4cyclictest25-21ksoftirqd/110:40:261
19104995217,7cyclictest25-21ksoftirqd/108:22:301
19104995215,3cyclictest25-21ksoftirqd/109:12:171
19103995226,4cyclictest9-21ksoftirqd/008:10:150
19103995219,5cyclictest9-21ksoftirqd/009:25:120
19103995218,4cyclictest9-21ksoftirqd/011:55:180
19104995129,3cyclictest25-21ksoftirqd/111:30:221
1910399513,8cyclictest9-21ksoftirqd/009:45:010
19103995128,4cyclictest9-21ksoftirqd/008:35:000
19103995128,4cyclictest9-21ksoftirqd/008:35:000
19104995018,7cyclictest25-21ksoftirqd/108:35:231
19103995024,2cyclictest9-21ksoftirqd/011:50:210
19103995019,4cyclictest9-21ksoftirqd/009:00:120
19103995019,4cyclictest9-21ksoftirqd/009:00:120
19104994917,8cyclictest25-21ksoftirqd/110:22:141
19103994933,4cyclictest9-21ksoftirqd/007:40:170
19103994920,4cyclictest9-21ksoftirqd/011:40:240
19103994919,3cyclictest9-21ksoftirqd/012:05:010
1910399491,8cyclictest121rcu_preempt08:00:190
19103994918,4cyclictest9-21ksoftirqd/012:10:130
19104994819,4cyclictest25-21ksoftirqd/112:00:201
19104994818,4cyclictest25-21ksoftirqd/111:10:251
19104994815,6cyclictest25-21ksoftirqd/109:35:231
19103994819,4cyclictest9-21ksoftirqd/012:30:240
19105994741,3cyclictest62150irq/144-enp4s0-09:20:002
19105994720,18cyclictest33-21ksoftirqd/209:55:262
1910499476,9cyclictest25-21ksoftirqd/110:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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