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2025-12-23 - 07:30
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot5.osadl.org (updated Tue Dec 23, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34298629949718,62cyclictest0-21swapper/1421:48:246
3429843994814,59cyclictest0-21swapper/1000:16:022
34298629947823,58cyclictest0-21swapper/1421:29:226
34298629947726,29cyclictest0-21swapper/1421:41:036
3429816994737,59cyclictest0-21swapper/300:05:409
34298339947120,30cyclictest0-21swapper/720:02:4013
34298629947024,30cyclictest0-21swapper/1421:03:406
34298629946520,30cyclictest0-21swapper/1422:41:406
34298339946413,30cyclictest0-21swapper/723:56:2413
34298339946011,29cyclictest0-21swapper/723:35:2713
34298629945628,30cyclictest0-21swapper/1422:06:036
34298629945427,30cyclictest0-21swapper/1422:14:256
34298629945427,30cyclictest0-21swapper/1422:14:256
3429862994521,30cyclictest0-21swapper/1421:14:246
342980599452450,1cyclictest1802-21snmpd23:17:150
3429838994513,30cyclictest0-21swapper/922:42:4015
34298629945021,29cyclictest0-21swapper/1419:56:406
3429824994493,29cyclictest0-21swapper/523:51:0111
342980999449446,2cyclictest3682500-21kworker/1:2+pm00:29:141
342983599447447,0cyclictest0-21swapper/823:17:1514
34298249944727,419cyclictest0-21swapper/523:10:2311
34298249944726,418cyclictest0-21swapper/521:55:0311
3429824994471,29cyclictest0-21swapper/500:22:2411
34298629944625,418cyclictest0-21swapper/1420:53:276
34298629944625,418cyclictest0-21swapper/1400:11:236
34298629944618,29cyclictest0-21swapper/1423:26:246
34298389944626,419cyclictest0-21swapper/920:44:2515
34298389944626,419cyclictest0-21swapper/920:11:0215
34298389944625,420cyclictest0-21swapper/922:28:0315
3429833994460,30cyclictest0-21swapper/723:13:4013
3429828994460,29cyclictest0-21swapper/600:00:0312
34298249944628,417cyclictest0-21swapper/522:52:2511
34298439944524,418cyclictest0-21swapper/1022:51:402
342983899445444,1cyclictest1051ktimers/923:32:0215
34298389944525,419cyclictest0-21swapper/920:22:2615
34298249944527,418cyclictest0-21swapper/521:48:0311
34298249944527,417cyclictest0-21swapper/500:13:2511
34298249944524,420cyclictest0-21swapper/500:27:2311
34298389944426,418cyclictest0-21swapper/900:36:0315
34298389944323,419cyclictest0-21swapper/921:23:0215
34298389944322,420cyclictest0-21swapper/900:33:2715
34298389944222,419cyclictest0-21swapper/921:49:0215
34298169944226,415cyclictest0-21swapper/300:15:409
34298389944121,419cyclictest0-21swapper/922:53:2415
34298339944122,418cyclictest0-21swapper/722:00:2613
34298339944020,419cyclictest0-21swapper/721:59:2613
34298389943918,420cyclictest0-21swapper/920:36:2515
342985699438436,1cyclictest3637134-21kworker/12:0+i915-unordered23:27:244
342985699438436,1cyclictest3491151-21kworker/12:0+i915-unordered20:22:034
34298629943710,29cyclictest0-21swapper/1420:18:406
34298569943719,417cyclictest0-21swapper/1200:31:404
34298289943716,30cyclictest0-21swapper/619:52:4012
342985699436432,3cyclictest1802-21snmpd00:04:524
34298389943617,417cyclictest0-21swapper/922:38:4015
342985699435434,1cyclictest3617006-21kworker/12:0+i915-unordered22:59:254
34298439943515,418cyclictest0-21swapper/1023:36:032
34298289943514,420cyclictest0-21swapper/600:26:4012
34298249943516,418cyclictest0-21swapper/522:30:0411
34298439943415,417cyclictest0-21swapper/1021:17:232
34298439943414,418cyclictest0-21swapper/1000:06:242
34298439943413,420cyclictest0-21swapper/1020:57:032
34298439943413,419cyclictest0-21swapper/1021:50:242
34298439943413,418cyclictest0-21swapper/1020:19:022
34298389943413,420cyclictest0-21swapper/923:55:2615
34298389943413,420cyclictest0-21swapper/919:40:0315
34298249943415,416cyclictest0-21swapper/520:47:4011
34298569943316,416cyclictest0-21swapper/1200:37:404
34298439943312,418cyclictest0-21swapper/1020:37:242
34298249943317,415cyclictest0-21swapper/500:30:4011
3429856994329,422cyclictest0-21swapper/1220:55:034
34298439943212,418cyclictest0-21swapper/1021:45:252
34298439943211,419cyclictest0-21swapper/1022:16:042
34298439943211,419cyclictest0-21swapper/1022:16:042
34298439943110,420cyclictest0-21swapper/1021:26:042
34298289943117,413cyclictest0-21swapper/622:50:4012
34298249943113,417cyclictest0-21swapper/522:11:0211
34298249943113,417cyclictest0-21swapper/522:11:0211
34298389943012,416cyclictest0-21swapper/900:02:4015
3429824994306,28cyclictest0-21swapper/523:55:0311
34298149943012,418cyclictest0-21swapper/222:40:038
3429862994299,418cyclictest0-21swapper/1423:43:236
3429862994297,419cyclictest0-21swapper/1423:15:256
3429851994298,420cyclictest0-21swapper/1100:13:403
34298389942911,417cyclictest0-21swapper/923:25:4015
3429862994289,415cyclictest0-21swapper/1420:42:246
3429862994282,30cyclictest0-21swapper/1420:47:026
342985699428426,2cyclictest1802-21snmpd19:16:154
3429862994271,29cyclictest0-21swapper/1420:36:036
3429838994275,418cyclictest0-21swapper/923:40:0115
34298289942711,415cyclictest0-21swapper/622:48:4012
3429824994276,420cyclictest0-21swapper/521:37:2411
34298099942711,414cyclictest0-21swapper/123:42:401
34298099942710,416cyclictest0-21swapper/122:28:401
3429856994267,418cyclictest0-21swapper/1200:27:404
342985199426424,2cyclictest3592350-21kworker/11:0+pm22:32:343
3429824994260,423cyclictest0-21swapper/521:06:0211
3429862994257,416cyclictest0-21swapper/1400:18:016
3429838994250,30cyclictest0-21swapper/920:31:4015
3429824994258,414cyclictest0-21swapper/523:37:4011
3429824994257,417cyclictest0-21swapper/522:55:2411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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