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2023-12-08 - 04:48
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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 rack7slot1.osadl.org (updated Fri Dec 08, 2023 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2150521430,1sleep023393-21stress22:01:100
2150521430,1sleep023393-21stress22:01:100
18958212056,59sleep20-21swapper/219:07:272
18759211250,56sleep10-21swapper/119:05:411
19015210749,20sleep00-21swapper/019:08:050
19098210463,36sleep30-21swapper/319:08:493
253102450,8sleep11935399cyclictest21:10:431
1935599418,30cyclictest0-21swapper/322:32:573
19350994116,18cyclictest0-21swapper/019:35:320
19355994014,24cyclictest0-21swapper/323:05:453
88082395,13sleep20-21swapper/220:42:242
300052395,13sleep20-21swapper/220:22:262
282632395,13sleep30-21swapper/319:20:363
196282395,13sleep30-21swapper/319:10:173
1935599397,14cyclictest0-21swapper/322:05:403
19353993913,24cyclictest0-21swapper/122:22:101
19350993914,22cyclictest0-21swapper/022:31:400
179512395,13sleep30-21swapper/321:00:023
143562395,13sleep20-21swapper/220:51:312
143562395,13sleep20-21swapper/220:51:312
4002385,13sleep00-21swapper/020:28:580
312162385,12sleep30-21swapper/319:26:343
272132385,13sleep30-21swapper/320:17:463
259382385,13sleep00-21swapper/019:19:570
259232385,13sleep30-21swapper/319:19:523
242382385,13sleep30-21swapper/320:11:323
217482385,13sleep20-21swapper/220:09:382
214492385,13sleep30-21swapper/320:06:543
1935599387,29cyclictest0-21swapper/321:55:583
1935399389,26cyclictest0-21swapper/122:57:161
19353993815,20cyclictest0-21swapper/100:15:281
284682375,13sleep20-21swapper/219:22:122
270662375,13sleep00-21swapper/020:16:220
255992375,13sleep10-21swapper/119:16:571
204182375,13sleep20-21swapper/221:04:432
1935599379,25cyclictest0-21swapper/322:25:593
1935599374,24cyclictest0-21swapper/300:10:243
19355993715,20cyclictest0-21swapper/300:05:073
19354993711,24cyclictest0-21swapper/219:25:302
19353993715,20cyclictest0-21swapper/121:45:311
19353993715,20cyclictest0-21swapper/100:12:551
1935099378,22cyclictest0-21swapper/020:55:330
159842375,13sleep20-21swapper/219:59:312
118572375,13sleep00-21swapper/020:49:320
101582375,13sleep20-21swapper/219:47:562
319002365,13sleep00-21swapper/019:30:160
311462365,13sleep00-21swapper/019:25:510
302392365,13sleep30-21swapper/320:24:323
299002365,13sleep00-21swapper/020:21:240
232742365,13sleep10-21swapper/121:09:551
229332365,13sleep00-21swapper/021:06:460
19355993615,19cyclictest0-21swapper/300:20:473
19355993614,20cyclictest0-21swapper/321:40:563
1935499368,26cyclictest0-21swapper/221:07:032
19353993616,17cyclictest0-21swapper/122:10:141
19353993616,17cyclictest0-21swapper/121:17:081
19353993615,18cyclictest0-21swapper/123:52:471
19353993614,19cyclictest0-21swapper/122:03:001
19353993614,19cyclictest0-21swapper/122:03:001
16272365,12sleep10-21swapper/119:32:541
143472365,13sleep00-21swapper/020:51:250
143472365,13sleep00-21swapper/020:51:250
8952355,13sleep30-21swapper/320:30:093
312852354,12sleep10-21swapper/119:27:161
245502355,10sleep20-21swapper/220:14:282
215592355,12sleep10-21swapper/120:08:011
1935599358,25cyclictest0-21swapper/321:55:023
19355993516,17cyclictest0-21swapper/321:49:323
19355993516,17cyclictest0-21swapper/300:29:113
19355993516,17cyclictest0-21swapper/300:29:113
19355993514,19cyclictest0-21swapper/322:52:223
19355993514,19cyclictest0-21swapper/321:35:433
19355993514,19cyclictest0-21swapper/321:35:433
19355993513,19cyclictest0-21swapper/322:14:263
19355993512,21cyclictest0-21swapper/323:46:503
19355993512,21cyclictest0-21swapper/323:46:503
1935499358,25cyclictest0-21swapper/220:34:332
19354993519,15cyclictest0-21swapper/219:50:532
19354993518,15cyclictest0-21swapper/220:04:252
1935399357,25cyclictest0-21swapper/100:07:441
19353993515,17cyclictest0-21swapper/123:17:431
19353993514,19cyclictest0-21swapper/100:00:581
19353993513,20cyclictest0-21swapper/121:52:381
19353993512,20cyclictest0-21swapper/123:22:301
19353993512,20cyclictest0-21swapper/121:31:551
19353993510,23cyclictest0-21swapper/123:42:081
19353993510,23cyclictest0-21swapper/120:30:321
19350993514,18cyclictest0-21swapper/023:40:280
156792355,12sleep10-21swapper/119:56:371
117882355,12sleep10-21swapper/120:48:491
100752355,10sleep30-21swapper/319:47:043
99262345,12sleep10-21swapper/119:45:461
74912345,10sleep20-21swapper/219:44:472
3682345,12sleep10-21swapper/120:28:391
220192345,10sleep20-21swapper/219:14:222
217002345,10sleep10-21swapper/119:11:081
1935599349,22cyclictest0-21swapper/323:35:323
19355993413,19cyclictest0-21swapper/323:15:163
19355993413,19cyclictest0-21swapper/321:30:343
19355993413,19cyclictest0-21swapper/300:16:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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