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2025-06-16 - 13:57
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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 rack1slot8.osadl.org (updated Mon Jun 16, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
452099896828,48cyclictest0-21swapper/108:04:391
451999893826,52cyclictest0-21swapper/008:04:400
41622563541,15sleep00-21swapper/007:06:450
451999417352,50cyclictest0-21swapper/007:10:050
451999417352,50cyclictest0-21swapper/007:10:040
452099415351,47cyclictest0-21swapper/107:10:041
452099415351,47cyclictest0-21swapper/107:10:041
202742830,4sleep1251rcuc/110:10:251
216899800,5rtkit-daemon2167-21rtkit-daemon09:40:300
404627433,29sleep10-21swapper/107:05:351
132032690,15sleep00-21swapper/010:54:160
80662645,16sleep00-21swapper/012:35:220
243882635,16sleep00-21swapper/009:24:050
319492626,15sleep10-21swapper/108:25:151
235202625,14sleep10-21swapper/111:10:301
451999617,47cyclictest0-21swapper/010:05:180
451999596,48cyclictest0-21swapper/008:06:140
451999596,39cyclictest0-21swapper/010:20:470
451999587,44cyclictest0-21swapper/011:55:200
216899580,5rtkit-daemon2167-21rtkit-daemon11:48:420
216899580,5rtkit-daemon2167-21rtkit-daemon09:46:540
4519995726,18cyclictest0-21swapper/011:40:010
325242575,15sleep10-21swapper/110:30:391
216899570,5rtkit-daemon2167-21rtkit-daemon09:52:240
216899570,4rtkit-daemon2167-21rtkit-daemon11:04:510
83912566,15sleep00-21swapper/010:45:230
60542564,12sleep10-21swapper/110:40:341
4519995626,25cyclictest0-21swapper/010:55:360
4519995626,24cyclictest0-21swapper/011:05:300
242002564,14sleep00-21swapper/010:17:180
65722555,10sleep00-21swapper/011:36:280
451999555,17cyclictest0-21swapper/011:25:010
4519995533,16cyclictest0-21swapper/012:04:510
4519995516,33cyclictest0-21swapper/009:14:060
4519995511,38cyclictest0-21swapper/009:25:420
299792554,12sleep00-21swapper/012:16:530
281202555,14sleep00-21swapper/009:30:190
169742554,19sleep00-21swapper/007:43:260
96592544,12sleep10-21swapper/110:47:321
8342544,12sleep00-21swapper/011:27:110
57002546,9sleep10-21swapper/109:45:261
4519995432,16cyclictest0-21swapper/012:08:500
4519995432,16cyclictest0-21swapper/010:00:240
4519995431,17cyclictest0-21swapper/009:15:450
4519995421,26cyclictest0-21swapper/012:25:200
4519995421,17cyclictest0-21swapper/010:41:330
4519995417,31cyclictest0-21swapper/010:29:530
4519995414,33cyclictest0-21swapper/012:20:220
307122544,12sleep10-21swapper/110:29:081
266622544,12sleep10-21swapper/109:26:471
82372534,12sleep00-21swapper/008:49:200
451999536,30cyclictest0-21swapper/009:35:180
4519995333,15cyclictest0-21swapper/010:10:250
4519995332,15cyclictest0-21swapper/011:10:240
4519995327,17cyclictest0-21swapper/008:40:360
4519995316,31cyclictest0-21swapper/012:34:050
36412535,12sleep10-21swapper/109:42:301
35812534,11sleep10-21swapper/111:31:131
303732535,14sleep10-21swapper/111:22:211
278042534,12sleep10-21swapper/110:24:141
274352534,12sleep10-21swapper/112:13:031
97602524,12sleep10-21swapper/108:51:321
451999524,43cyclictest0-21swapper/011:51:440
4519995232,15cyclictest0-21swapper/007:20:040
4519995231,16cyclictest0-21swapper/010:32:490
4519995225,17cyclictest0-21swapper/012:10:260
4519995220,26cyclictest0-21swapper/011:19:120
278082524,12sleep00-21swapper/008:13:260
216899520,4rtkit-daemon2167-21rtkit-daemon09:57:000
202882524,12sleep10-21swapper/107:50:331
125632524,12sleep10-21swapper/109:57:431
99042514,12sleep00-21swapper/008:53:000
93702514,11sleep10-21swapper/112:37:381
80212514,12sleep10-21swapper/108:47:161
72752514,12sleep10-21swapper/111:38:401
5242514,11sleep10-21swapper/109:37:371
451999516,39cyclictest0-21swapper/008:31:100
451999515,40cyclictest0-21swapper/008:38:440
39352514,12sleep10-21swapper/112:28:351
297552514,12sleep10-21swapper/112:16:121
295202514,12sleep00-21swapper/008:17:310
279272514,12sleep10-21swapper/108:14:361
216899510,4rtkit-daemon2167-21rtkit-daemon07:58:081
187302514,11sleep00-21swapper/007:48:000
134952514,12sleep00-21swapper/007:34:420
98132504,11sleep10-21swapper/107:23:581
7842504,12sleep10-21swapper/112:23:061
76762504,12sleep00-21swapper/007:15:350
58992504,12sleep10-21swapper/112:30:401
56372503,7sleep15728-21sendmail_mailqu08:40:251
452099507,30cyclictest0-21swapper/110:58:001
451999506,37cyclictest0-21swapper/008:30:010
297022504,12sleep10-21swapper/108:19:191
221832504,12sleep10-21swapper/112:04:511
216899500,5rtkit-daemon2167-21rtkit-daemon11:00:211
216899500,5rtkit-daemon2167-21rtkit-daemon07:40:171
202822504,11sleep00-21swapper/007:50:310
157432504,12sleep10-21swapper/110:03:251
153962505,13sleep10-21swapper/111:51:481
152152504,12sleep10-21swapper/109:06:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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