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2025-07-12 - 12:45
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot1.osadl.org (updated Sat Jul 12, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156289915374,40cyclictest3730-21watchprog-ntop19:47:462
1014921530,3sleep61563799cyclictest19:39:136
156289915169,21cyclictest31430-21Poller-Thread-121:31:302
156289915169,21cyclictest31430-21Poller-Thread-121:31:302
1207321500,2sleep41563099cyclictest00:20:204
2843121450,1sleep668-21rcuc/622:37:186
774721400,2sleep31562999cyclictest22:08:063
156329913967,57cyclictest16165-21chk_conn_tcp23:14:085
118621390,2sleep31562999cyclictest22:50:053
2667621380,0sleep60-21swapper/620:42:036
329421370,2sleep21562899cyclictest20:18:032
2940121370,2sleep31562999cyclictest21:09:243
762021340,2sleep31562999cyclictest22:19:283
825721310,0sleep20-21swapper/219:24:192
398221310,0sleep10-21swapper/122:50:591
1394921290,2sleep31562999cyclictest21:03:563
592721270,1sleep668-21rcuc/620:19:366
431321270,0sleep10-21swapper/120:32:211
253621270,1sleep21562899cyclictest20:45:202
2558621260,0sleep60-21swapper/621:19:056
156289912230,31cyclictest0-21swapper/223:09:192
2579321210,1sleep625794-21sh22:58:576
156329912034,84cyclictest9474-21QueuingRrdStrat20:38:035
156329911925,39cyclictest4673-21chk_conn_tcp00:06:495
924121180,2sleep51563299cyclictest23:04:255
2332521180,1sleep623321-21Timer-52922821:06:556
156289911810,45cyclictest0-21swapper/223:13:362
1271321180,1sleep716165-21chk_conn_tcp00:20:397
2700521170,0sleep50-21swapper/519:31:595
156309911620,39cyclictest0-21swapper/421:49:404
156289911639,49cyclictest0-21swapper/219:17:512
2963321140,1sleep14673-21chk_conn_tcp21:20:041
156329911319,44cyclictest0-21swapper/522:42:025
156289911350,9cyclictest3730-21watchprog-ntop22:03:332
156239911321,40cyclictest188850irq/25-eth019:55:150
156309911214,36cyclictest3730-21watchprog-ntop22:35:374
156289911231,28cyclictest13950irq/24-ahci[00000:16:152
156309911118,38cyclictest0-21swapper/420:03:524
156329911024,41cyclictest0-21swapper/520:22:345
156329911024,41cyclictest0-21swapper/520:22:345
156239911012,57cyclictest0-21swapper/023:50:280
2664421090,2sleep51563299cyclictest20:56:045
156309910956,31cyclictest4673-21chk_conn_tcp21:08:314
156239910952,56cyclictest214650irq/31-eth2-TxR23:31:460
156239910952,56cyclictest214650irq/31-eth2-TxR23:31:460
156329910828,19cyclictest0-21swapper/523:54:455
156289910633,40cyclictest0-21swapper/220:08:082
186421050,1sleep50-21swapper/523:24:045
156329910566,19cyclictest3730-21watchprog-ntop22:17:275
156309910516,19cyclictest3730-21watchprog-ntop20:12:574
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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