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2023-06-05 - 23:21

x86 Intel (undisclosed) @1600 MHz, Linux 4.9.20-rt16 (Profile)

Latency plot of system in rack #7, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 Mon Jun 05, 2023 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2806521170,0sleep225805-21stress09:11:252
25309211654,57sleep30-21swapper/307:08:543
23087211553,23sleep00-21swapper/007:05:100
25212211353,55sleep20-21swapper/207:07:502
2529128456,23sleep10-21swapper/107:08:441
25552994814,23cyclictest0-21swapper/111:15:381
2555299472,34cyclictest0-21swapper/110:55:451
126302450,3sleep12555299cyclictest09:45:231
25550994410,31cyclictest0-21swapper/012:10:430
25552994312,23cyclictest0-21swapper/111:55:431
25552994312,23cyclictest0-21swapper/111:55:421
2555099439,22cyclictest0-21swapper/007:25:000
25550994310,30cyclictest0-21swapper/011:45:240
25550994310,30cyclictest0-21swapper/011:45:230
220902430,1sleep225805-21stress12:05:082
25554994110,28cyclictest0-21swapper/311:26:373
2555299407,23cyclictest0-21swapper/111:25:491
25552994011,20cyclictest0-21swapper/108:20:331
25550994011,26cyclictest0-21swapper/011:25:180
2555399396,17cyclictest0-21swapper/210:35:022
2555399396,17cyclictest0-21swapper/210:35:012
2555299397,22cyclictest0-21swapper/111:40:261
25550993913,23cyclictest0-21swapper/010:55:210
25550993910,15cyclictest0-21swapper/009:40:390
286132385,13sleep20-21swapper/208:13:282
260462385,13sleep00-21swapper/008:09:380
25554993815,20cyclictest0-21swapper/309:43:433
2555399385,20cyclictest0-21swapper/212:10:332
2555299389,21cyclictest0-21swapper/110:50:241
2555299389,20cyclictest0-21swapper/109:10:241
2555299386,21cyclictest0-21swapper/111:50:211
25550993815,20cyclictest0-21swapper/010:06:350
25550993814,21cyclictest0-21swapper/011:15:410
129972385,13sleep00-21swapper/007:45:100
124022385,13sleep00-21swapper/007:42:380
119752385,13sleep00-21swapper/008:41:590
71672375,13sleep00-21swapper/007:33:510
66012375,13sleep00-21swapper/008:31:430
312172375,13sleep00-21swapper/008:18:000
258122375,13sleep20-21swapper/207:10:062
2555499379,25cyclictest0-21swapper/310:07:063
25554993714,20cyclictest0-21swapper/312:21:053
25554993714,20cyclictest0-21swapper/312:21:043
25554993714,20cyclictest0-21swapper/312:06:093
25554993714,20cyclictest0-21swapper/310:44:573
2555399375,16cyclictest0-21swapper/211:35:252
2555299379,19cyclictest0-21swapper/108:40:261
2555299378,20cyclictest0-21swapper/112:00:351
25552993717,17cyclictest0-21swapper/109:51:241
25552993717,17cyclictest0-21swapper/109:25:451
25552993715,19cyclictest0-21swapper/112:16:021
25552993711,18cyclictest0-21swapper/107:55:291
25550993714,20cyclictest0-21swapper/009:45:360
25550993712,22cyclictest0-21swapper/009:20:350
25550993712,22cyclictest0-21swapper/009:20:350
25550993710,24cyclictest0-21swapper/010:12:240
175592375,13sleep20-21swapper/207:50:332
11122375,13sleep30-21swapper/308:20:473
41172365,13sleep20-21swapper/208:29:012
40422365,11sleep00-21swapper/008:28:060
283962365,13sleep00-21swapper/008:11:100
25554993614,19cyclictest0-21swapper/311:01:003
25554993611,23cyclictest0-21swapper/308:31:033
2555399365,15cyclictest0-21swapper/211:25:432
2555299368,22cyclictest0-21swapper/107:35:371
2555299368,19cyclictest0-21swapper/108:50:251
25552993617,17cyclictest0-21swapper/110:28:061
25552993617,16cyclictest0-21swapper/111:00:371
25552993617,16cyclictest0-21swapper/110:15:271
25552993617,16cyclictest0-21swapper/109:55:291
25552993616,17cyclictest0-21swapper/112:09:571
25552993616,17cyclictest0-21swapper/111:37:461
25552993611,22cyclictest0-21swapper/110:03:451
25552993611,22cyclictest0-21swapper/110:03:441
25552993610,18cyclictest0-21swapper/108:05:001
25550993615,19cyclictest0-21swapper/012:01:400
25550993615,18cyclictest0-21swapper/011:55:240
25550993615,18cyclictest0-21swapper/011:55:240
230432365,13sleep20-21swapper/208:01:422
206362365,12sleep20-21swapper/207:59:562
175742365,10sleep00-21swapper/007:50:440
12562365,13sleep20-21swapper/208:22:192
118332365,12sleep20-21swapper/208:40:362
313852355,10sleep00-21swapper/007:16:130
257962355,13sleep20-21swapper/208:07:192
25554993516,16cyclictest0-21swapper/309:16:283
25554993514,18cyclictest0-21swapper/312:01:313
25554993514,18cyclictest0-21swapper/311:45:343
25554993514,18cyclictest0-21swapper/311:45:343
25554993511,22cyclictest0-21swapper/310:55:223
25554993510,23cyclictest0-21swapper/308:26:063
25554993510,23cyclictest0-21swapper/308:04:123
2555399355,15cyclictest0-21swapper/211:20:502
25553993516,16cyclictest0-21swapper/210:21:272
25553993511,22cyclictest0-21swapper/212:29:382
2555299357,20cyclictest0-21swapper/107:45:011
25552993517,16cyclictest0-21swapper/109:40:161
25552993516,17cyclictest0-21swapper/110:35:281
25552993516,17cyclictest0-21swapper/110:35:281
25552993516,17cyclictest0-21swapper/109:20:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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