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2025-11-20 - 14:18
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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 Thu Nov 20, 2025 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5899212364,20sleep20-21swapper/219:09:232
5687211251,21sleep00-21swapper/019:06:310
586529567,23sleep30-21swapper/319:08:563
579328662,20sleep10-21swapper/119:07:581
324562580,1sleep114202-21stress00:19:201
605499439,24cyclictest0-21swapper/123:24:461
6054994312,28cyclictest0-21swapper/123:15:291
6054994215,24cyclictest0-21swapper/122:32:491
6056994010,27cyclictest0-21swapper/322:05:283
6056994010,27cyclictest0-21swapper/322:05:283
6054994013,24cyclictest0-21swapper/122:45:391
605399409,28cyclictest0-21swapper/023:06:370
605699397,29cyclictest0-21swapper/323:15:063
6056993910,26cyclictest0-21swapper/323:35:143
6054993913,23cyclictest0-21swapper/122:10:201
6054993913,23cyclictest0-21swapper/122:10:201
6054993912,24cyclictest0-21swapper/123:14:111
6053993916,20cyclictest0-21swapper/021:45:180
605499389,26cyclictest0-21swapper/122:51:231
605399389,26cyclictest0-21swapper/022:20:060
605399386,29cyclictest0-21swapper/021:21:040
605399386,29cyclictest0-21swapper/000:24:340
6053993815,20cyclictest0-21swapper/023:45:420
234632380,1sleep114204-21stress23:56:091
234632380,1sleep114204-21stress23:56:091
200842385,13sleep20-21swapper/220:08:422
85142375,13sleep20-21swapper/219:21:312
79812375,13sleep10-21swapper/119:18:121
77742375,13sleep20-21swapper/219:15:412
6055993710,24cyclictest0-21swapper/221:53:212
6054993712,22cyclictest0-21swapper/123:26:251
605399376,28cyclictest0-21swapper/022:06:010
605399376,28cyclictest0-21swapper/022:06:010
605399375,29cyclictest0-21swapper/022:29:550
52572375,13sleep10-21swapper/120:49:431
288182375,13sleep10-21swapper/120:27:371
242922375,13sleep20-21swapper/220:16:152
222232375,13sleep00-21swapper/020:12:290
222102375,13sleep30-21swapper/320:12:243
220902375,13sleep20-21swapper/220:10:582
176842375,13sleep00-21swapper/020:01:090
156352375,12sleep20-21swapper/219:58:062
120162375,13sleep00-21swapper/019:48:190
99692365,13sleep10-21swapper/119:32:561
99452365,13sleep00-21swapper/019:32:380
74242364,13sleep20-21swapper/220:54:132
6402365,13sleep00-21swapper/020:37:070
6056993614,14cyclictest0-21swapper/321:25:303
6056993612,21cyclictest0-21swapper/300:24:263
6055993614,19cyclictest0-21swapper/221:27:312
6054993622,11cyclictest0-21swapper/100:05:491
6054993614,19cyclictest0-21swapper/123:35:161
6054993613,20cyclictest0-21swapper/123:32:521
6054993613,20cyclictest0-21swapper/100:20:081
6053993610,23cyclictest0-21swapper/021:10:180
6053993610,23cyclictest0-21swapper/021:10:170
49052365,12sleep00-21swapper/020:45:320
178842365,13sleep10-21swapper/120:03:431
170972365,13sleep30-21swapper/320:00:283
117142365,12sleep20-21swapper/221:02:382
116412365,12sleep30-21swapper/321:01:443
112132365,13sleep20-21swapper/219:41:232
71912355,12sleep10-21swapper/120:51:141
64932355,12sleep10-21swapper/119:12:561
64932355,12sleep10-21swapper/119:12:551
6056993514,19cyclictest0-21swapper/322:15:273
6056993511,21cyclictest0-21swapper/321:50:243
6055993516,16cyclictest0-21swapper/223:59:192
6055993516,16cyclictest0-21swapper/223:59:192
6054993516,16cyclictest0-21swapper/122:55:291
6054993516,16cyclictest0-21swapper/121:55:041
6054993514,19cyclictest0-21swapper/100:35:581
6054993514,19cyclictest0-21swapper/100:35:581
6054993513,20cyclictest0-21swapper/121:45:091
6053993514,18cyclictest0-21swapper/000:05:230
6053993510,23cyclictest0-21swapper/021:40:210
265062355,11sleep30-21swapper/320:21:293
243382355,12sleep00-21swapper/020:16:490
227012355,13sleep30-21swapper/320:15:093
135502355,13sleep20-21swapper/219:54:302
93892345,12sleep30-21swapper/320:56:173
93672345,10sleep20-21swapper/220:56:012
91362345,10sleep20-21swapper/219:25:512
84462345,10sleep30-21swapper/319:20:383
605699348,24cyclictest0-21swapper/319:42:143
605699348,24cyclictest0-21swapper/319:19:143
605699348,24cyclictest0-21swapper/319:13:353
605699348,24cyclictest0-21swapper/319:13:343
6055993410,21cyclictest0-21swapper/223:02:332
6054993416,15cyclictest0-21swapper/122:35:051
6054993416,15cyclictest0-21swapper/121:35:101
6054993416,15cyclictest0-21swapper/121:35:101
6054993413,19cyclictest0-21swapper/123:40:071
6054993410,21cyclictest0-21swapper/121:15:051
605399346,25cyclictest0-21swapper/023:50:170
605399346,25cyclictest0-21swapper/021:55:170
605399345,26cyclictest0-21swapper/023:55:210
605399345,26cyclictest0-21swapper/023:55:210
605399345,26cyclictest0-21swapper/023:35:280
6053993412,19cyclictest0-21swapper/022:03:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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