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2025-06-16 - 20:18
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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 Mon Jun 16, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315976995173,514cyclictest0-21swapper/1420:36:516
3159539951110,500cyclictest0-21swapper/922:18:5115
315925995102,27cyclictest0-21swapper/220:45:518
31594999478476,2cyclictest537613-21kworker/8:1+i915-unordered23:58:5114
31594999478476,2cyclictest537613-21kworker/8:1+i915-unordered23:58:5114
3159679947523,29cyclictest0-21swapper/1221:17:344
3159729947125,28cyclictest0-21swapper/1300:12:125
31595599469469,0cyclictest0-21swapper/1023:52:512
3159309946718,30cyclictest0-21swapper/323:12:139
3159769946521,30cyclictest0-21swapper/1422:15:516
315953994642,461cyclictest0-21swapper/900:12:2415
3159539946417,28cyclictest0-21swapper/921:41:1415
3159539946316,29cyclictest0-21swapper/922:11:1215
31594499460427,32cyclictest0-21swapper/723:01:5113
3159309946015,30cyclictest0-21swapper/321:09:359
3159309946015,30cyclictest0-21swapper/321:09:359
3159539945914,29cyclictest0-21swapper/900:02:5015
3159539945914,29cyclictest0-21swapper/900:02:5015
31594499459457,2cyclictest457282-21kworker/7:1+i915-unordered22:02:5113
3159539945711,29cyclictest0-21swapper/919:57:5115
315967994569,30cyclictest0-21swapper/1221:23:514
3159679945611,30cyclictest0-21swapper/1221:11:344
3159679945611,30cyclictest0-21swapper/1221:11:344
3159539945610,30cyclictest0-21swapper/923:15:3415
31597899453451,2cyclictest497442-21kworker/15:0+i915-unordered23:01:517
31594499453447,5cyclictest1811-21snmpd23:57:0213
31594499453447,5cyclictest1811-21snmpd23:57:0213
315967994523,30cyclictest0-21swapper/1222:45:344
315967994503,30cyclictest0-21swapper/1221:29:354
31595399450450,0cyclictest0-21swapper/900:09:2415
3159259944826,421cyclictest0-21swapper/221:12:138
3159259944826,421cyclictest0-21swapper/221:12:138
3159419944725,419cyclictest0-21swapper/600:21:1312
3159259944725,421cyclictest0-21swapper/223:37:128
315918994473,28cyclictest0-21swapper/022:05:370
315976994460,445cyclictest0-21swapper/1420:23:516
3159419944626,418cyclictest0-21swapper/600:18:1212
3159419944625,419cyclictest0-21swapper/622:00:3612
3159419944620,29cyclictest0-21swapper/619:42:5112
315941994460,30cyclictest0-21swapper/621:25:3712
3159259944626,419cyclictest0-21swapper/222:35:368
3159419944526,418cyclictest0-21swapper/622:14:1312
3159259944523,421cyclictest0-21swapper/200:30:358
3159259944523,421cyclictest0-21swapper/200:08:138
3159259944522,422cyclictest0-21swapper/200:04:138
3159259944522,422cyclictest0-21swapper/200:04:138
3159259944323,419cyclictest0-21swapper/222:28:358
31597899442441,1cyclictest0-21swapper/1523:57:027
31597899442441,1cyclictest0-21swapper/1523:57:027
31597899442440,2cyclictest437107-21kworker/15:0+i915-unordered21:36:517
315967994410,440cyclictest0-21swapper/1220:15:024
3159539944116,30cyclictest0-21swapper/921:38:5115
31593499441440,1cyclictest0-21swapper/423:16:5110
3159309944123,417cyclictest0-21swapper/320:15:519
31594499440437,2cyclictest577923-21kworker/7:0+events00:35:3513
3159419944021,419cyclictest0-21swapper/623:08:3412
31593499440439,1cyclictest0-21swapper/422:06:5110
3159679943923,413cyclictest0-21swapper/1222:26:514
3159639943920,418cyclictest0-21swapper/1120:55:133
31595599439439,0cyclictest372888-21kworker/10:0+i915-unordered20:45:512
3159539943916,28cyclictest0-21swapper/920:03:1315
3159539943913,29cyclictest0-21swapper/919:48:1315
31596799438435,2cyclictest375622-21kworker/u64:4+events_unbound20:28:514
31592299438436,2cyclictest439897-21kworker/1:2+i915-unordered21:47:511
31592299438407,30cyclictest0-21swapper/123:35:511
3159189943822,415cyclictest0-21swapper/020:57:350
3159349943722,414cyclictest0-21swapper/420:58:5110
3159189943721,416cyclictest0-21swapper/022:31:350
3159189943720,416cyclictest0-21swapper/000:00:360
3159189943720,416cyclictest0-21swapper/000:00:360
3159679943621,414cyclictest0-21swapper/1220:57:514
315930994369,30cyclictest0-21swapper/319:24:139
3159309943617,417cyclictest0-21swapper/321:12:519
3159309943617,417cyclictest0-21swapper/321:12:519
31591899436433,2cyclictest339446-21kworker/u64:8+events_unbound19:38:510
3159189943623,412cyclictest0-21swapper/022:58:120
3159189943618,418cyclictest0-21swapper/000:36:360
3159729943523,409cyclictest0-21swapper/1320:30:355
3159539943415,416cyclictest0-21swapper/920:38:1315
3159419943413,420cyclictest0-21swapper/623:00:5112
3159189943412,28cyclictest0-21swapper/023:35:360
3159539943315,417cyclictest0-21swapper/923:37:5115
3159259943313,417cyclictest0-21swapper/222:45:138
3159259943312,419cyclictest0-21swapper/222:34:478
31592299433430,3cyclictest1811-21snmpd22:29:241
3159189943315,417cyclictest0-21swapper/020:33:130
3159729943211,29cyclictest0-21swapper/1322:50:515
3159539943211,417cyclictest0-21swapper/921:54:1415
3159399943213,418cyclictest0-21swapper/522:47:3511
3159259943211,420cyclictest0-21swapper/223:55:148
3159259943211,420cyclictest0-21swapper/223:55:148
3159229943219,412cyclictest0-21swapper/119:51:511
31597899431431,0cyclictest0-21swapper/1500:35:357
3159679943115,415cyclictest0-21swapper/1222:22:514
3159539943113,417cyclictest0-21swapper/922:25:5115
3159539943113,416cyclictest0-21swapper/900:15:3615
3159539943019,410cyclictest0-21swapper/900:29:4615
315934994294,30cyclictest0-21swapper/421:20:5110
315941994270,30cyclictest0-21swapper/622:59:1312
31597299426425,1cyclictest0-21swapper/1300:25:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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