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2025-11-30 - 12:28
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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 Sun Nov 30, 2025 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1000321370,1sleep320258-21stress00:25:343
1489021310,1sleep220256-21stress00:37:082
31139212055,23sleep30-21swapper/319:07:343
31040211955,20sleep20-21swapper/219:06:282
31066211754,58sleep10-21swapper/119:06:481
31101211051,21sleep00-21swapper/019:07:100
181662740,1sleep320256-21stress22:16:033
31443994215,23cyclictest0-21swapper/221:12:592
31443994215,23cyclictest0-21swapper/221:12:592
31442994110,22cyclictest0-21swapper/123:10:141
3144199419,29cyclictest0-21swapper/021:27:490
65282395,13sleep20-21swapper/220:35:262
3144299396,23cyclictest0-21swapper/122:13:151
31442993923,14cyclictest0-21swapper/122:01:491
31442993914,16cyclictest0-21swapper/123:06:361
31442993914,16cyclictest0-21swapper/123:06:361
3144199399,27cyclictest0-21swapper/021:24:320
31441993915,21cyclictest0-21swapper/023:54:170
31441993910,26cyclictest0-21swapper/021:32:280
325212385,13sleep30-21swapper/320:22:003
31442993816,20cyclictest0-21swapper/100:31:121
31442993810,25cyclictest0-21swapper/121:50:191
31442993810,16cyclictest0-21swapper/123:40:541
31442993810,16cyclictest0-21swapper/123:40:531
31441993810,25cyclictest0-21swapper/023:12:290
93982375,13sleep20-21swapper/220:45:052
89522375,13sleep10-21swapper/120:42:551
8602375,13sleep10-21swapper/119:11:561
44762375,13sleep10-21swapper/120:32:091
31444993713,21cyclictest0-21swapper/322:40:073
31443993714,20cyclictest0-21swapper/221:18:362
3144299377,15cyclictest0-21swapper/100:25:021
31442993710,24cyclictest0-21swapper/123:20:131
31442993710,24cyclictest0-21swapper/122:07:241
31441993712,19cyclictest0-21swapper/022:51:350
31441993711,23cyclictest0-21swapper/000:36:480
301872375,13sleep30-21swapper/320:15:303
217212375,13sleep20-21swapper/219:59:182
217212375,13sleep20-21swapper/219:59:182
215472375,13sleep30-21swapper/319:57:223
215472375,13sleep30-21swapper/319:57:223
155272375,13sleep20-21swapper/220:57:192
147812375,13sleep20-21swapper/219:40:322
132002375,13sleep20-21swapper/220:51:072
111742375,13sleep10-21swapper/120:47:561
103662375,13sleep20-21swapper/219:30:312
90852365,12sleep20-21swapper/220:44:322
84982365,13sleep30-21swapper/319:29:483
72102365,13sleep30-21swapper/320:40:083
61652365,13sleep10-21swapper/119:23:111
31444993614,20cyclictest0-21swapper/323:41:303
31444993614,20cyclictest0-21swapper/323:41:293
31444993613,21cyclictest0-21swapper/323:25:403
3144399369,24cyclictest0-21swapper/223:34:002
3144399369,24cyclictest0-21swapper/223:34:002
3144399367,26cyclictest0-21swapper/223:39:492
3144399367,26cyclictest0-21swapper/223:39:492
3144399366,27cyclictest0-21swapper/222:21:472
31443993612,21cyclictest0-21swapper/221:32:082
3144299366,14cyclictest0-21swapper/121:20:341
31441993615,19cyclictest0-21swapper/023:15:290
31441993611,22cyclictest0-21swapper/023:05:000
239312364,13sleep00-21swapper/020:04:240
236222365,13sleep30-21swapper/320:00:393
194342365,13sleep30-21swapper/319:53:263
193542365,12sleep10-21swapper/119:52:271
192982365,12sleep20-21swapper/219:51:432
154202364,13sleep00-21swapper/020:55:570
126602365,12sleep20-21swapper/219:36:452
66402355,12sleep30-21swapper/320:36:483
31444993516,16cyclictest0-21swapper/322:45:303
31443993511,21cyclictest0-21swapper/222:19:212
31442993513,19cyclictest0-21swapper/122:25:051
31442993513,19cyclictest0-21swapper/122:25:051
31442993511,21cyclictest0-21swapper/122:20:281
31441993514,19cyclictest0-21swapper/021:58:260
31441993511,21cyclictest0-21swapper/021:14:180
31441993511,21cyclictest0-21swapper/021:14:170
31441993510,22cyclictest0-21swapper/022:55:170
31441993510,22cyclictest0-21swapper/022:55:170
236462355,13sleep10-21swapper/120:00:581
192592354,13sleep00-21swapper/019:51:130
110352355,12sleep00-21swapper/020:46:200
68462345,10sleep10-21swapper/120:39:111
31444993416,15cyclictest0-21swapper/323:03:563
31444993415,16cyclictest0-21swapper/322:37:273
31444993411,20cyclictest0-21swapper/323:51:323
31444993410,21cyclictest0-21swapper/323:56:283
3144399348,23cyclictest0-21swapper/223:56:032
3144399348,23cyclictest0-21swapper/200:18:232
3144399348,23cyclictest0-21swapper/200:18:232
31443993416,15cyclictest0-21swapper/200:10:562
31443993411,20cyclictest0-21swapper/222:30:012
31443993411,20cyclictest0-21swapper/222:30:012
31443993411,20cyclictest0-21swapper/200:25:532
31443993410,21cyclictest0-21swapper/200:08:112
31443993410,21cyclictest0-21swapper/200:08:102
3144299349,23cyclictest0-21swapper/100:25:141
31442993416,16cyclictest0-21swapper/123:45:121
31442993411,20cyclictest0-21swapper/121:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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