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2025-07-07 - 22:38
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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 Mon Jul 07, 2025 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16460212561,23sleep30-21swapper/307:08:123
14755211454,55sleep10-21swapper/107:05:101
16416211351,57sleep00-21swapper/007:07:380
14756210849,21sleep20-21swapper/207:05:112
16704995111,20cyclictest0-21swapper/112:37:321
1670499509,20cyclictest0-21swapper/110:50:021
16704995014,14cyclictest0-21swapper/111:05:351
16704995013,15cyclictest0-21swapper/112:20:141
16704994715,14cyclictest0-21swapper/109:10:161
16704994715,14cyclictest0-21swapper/109:10:161
1670499469,22cyclictest0-21swapper/110:39:341
16704994511,17cyclictest0-21swapper/109:51:101
16704994511,17cyclictest0-21swapper/109:51:101
16704994410,17cyclictest0-21swapper/109:15:371
16704994410,17cyclictest0-21swapper/109:15:371
186582420,1sleep23407-21stress12:18:332
16705994213,26cyclictest0-21swapper/211:27:292
1670499427,17cyclictest0-21swapper/109:24:281
1670599419,29cyclictest0-21swapper/212:14:212
16705994115,24cyclictest0-21swapper/211:40:552
16705994115,24cyclictest0-21swapper/211:40:552
210342405,11sleep20-21swapper/208:35:022
1670599408,29cyclictest0-21swapper/209:48:252
1670399408,25cyclictest0-21swapper/007:39:270
1670599399,27cyclictest0-21swapper/211:52:172
1670599399,27cyclictest0-21swapper/211:52:172
16706993815,21cyclictest0-21swapper/310:40:353
1670599386,29cyclictest0-21swapper/210:00:132
16705993816,20cyclictest0-21swapper/212:34:442
16705993816,20cyclictest0-21swapper/212:07:542
16705993816,20cyclictest0-21swapper/210:25:302
1670399385,31cyclictest0-21swapper/012:32:370
1670399385,23cyclictest0-21swapper/009:15:350
1670399385,23cyclictest0-21swapper/009:15:350
16703993810,21cyclictest0-21swapper/007:45:230
320572375,14sleep30-21swapper/307:43:143
313922375,13sleep30-21swapper/308:58:123
256272375,13sleep20-21swapper/207:27:132
213062375,13sleep20-21swapper/207:15:502
208992375,13sleep30-21swapper/308:34:063
16705993715,19cyclictest0-21swapper/211:45:052
16705993715,19cyclictest0-21swapper/211:45:052
16705993714,20cyclictest0-21swapper/211:20:352
16705993713,21cyclictest0-21swapper/210:10:232
16704993714,21cyclictest0-21swapper/112:25:311
1670399379,22cyclictest0-21swapper/007:52:570
16703993710,21cyclictest0-21swapper/009:02:270
144282375,13sleep00-21swapper/008:17:430
144282375,13sleep00-21swapper/008:17:430
142592375,13sleep20-21swapper/208:15:452
142592375,13sleep20-21swapper/208:15:452
99722360,1sleep33407-21stress11:56:043
9412364,13sleep20-21swapper/209:01:442
78712365,12sleep30-21swapper/308:00:383
276732365,13sleep30-21swapper/307:31:033
269662365,12sleep20-21swapper/208:45:282
215992365,13sleep30-21swapper/307:19:323
1670599369,24cyclictest0-21swapper/211:12:472
16705993615,19cyclictest0-21swapper/210:30:202
16705993610,23cyclictest0-21swapper/210:42:422
1670399369,21cyclictest0-21swapper/008:04:570
1670399369,21cyclictest0-21swapper/007:14:580
1670399368,22cyclictest0-21swapper/008:31:270
121542365,10sleep20-21swapper/208:11:072
8912355,11sleep30-21swapper/309:01:133
31322355,13sleep30-21swapper/309:07:343
298412353,13sleep20-21swapper/207:36:512
248652355,10sleep20-21swapper/208:40:552
206992355,10sleep20-21swapper/208:31:292
186302353,13sleep30-21swapper/307:13:273
1670599356,26cyclictest0-21swapper/209:54:182
1670599356,26cyclictest0-21swapper/209:54:182
16705993516,17cyclictest0-21swapper/210:45:282
16705993515,18cyclictest0-21swapper/212:35:312
16705993514,18cyclictest0-21swapper/210:51:172
16705993510,23cyclictest0-21swapper/211:55:062
16705993510,22cyclictest0-21swapper/211:05:122
1670399358,21cyclictest0-21swapper/007:26:570
1670399356,21cyclictest0-21swapper/010:35:280
1670399354,24cyclictest0-21swapper/008:10:590
164682354,11sleep30-21swapper/308:21:393
16452355,12sleep30-21swapper/307:47:033
122892355,12sleep30-21swapper/308:12:493
60892345,11sleep00-21swapper/007:59:550
315092345,11sleep00-21swapper/008:59:410
29802343,13sleep00-21swapper/009:05:390
293042345,10sleep20-21swapper/208:53:212
249582343,12sleep30-21swapper/308:42:083
234042345,10sleep30-21swapper/307:20:453
233962345,11sleep00-21swapper/007:20:380
16706993415,16cyclictest0-21swapper/309:26:343
1670599349,23cyclictest0-21swapper/212:00:202
1670599348,24cyclictest0-21swapper/209:25:322
1670599348,23cyclictest0-21swapper/209:30:252
16705993415,17cyclictest0-21swapper/209:55:392
16705993414,18cyclictest0-21swapper/210:07:262
16705993414,13cyclictest0-21swapper/210:20:282
16705993414,13cyclictest0-21swapper/210:20:282
16705993411,21cyclictest0-21swapper/211:30:192
1670399349,20cyclictest0-21swapper/007:15:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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