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2026-05-16 - 03:43
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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 Sat May 16, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3122021340,1sleep116284-21stress00:13:461
798321320,1sleep116282-21stress23:20:111
28121211555,21sleep30-21swapper/319:09:473
27939211552,23sleep20-21swapper/219:07:242
27990210349,50sleep10-21swapper/119:08:031
2606128554,24sleep00-21swapper/019:05:020
74282500,1sleep316282-21stress23:17:273
28240994414,23cyclictest0-21swapper/020:25:220
7842420,1sleep316282-21stress21:46:443
2824099429,22cyclictest0-21swapper/000:14:520
2824099417,19cyclictest0-21swapper/000:35:000
2824099417,19cyclictest0-21swapper/000:35:000
28240994128,11cyclictest0-21swapper/021:53:090
28244994022,15cyclictest0-21swapper/322:38:223
2824199409,28cyclictest0-21swapper/100:35:201
28240994014,23cyclictest0-21swapper/023:24:430
28240994014,20cyclictest0-21swapper/020:50:060
28240994012,25cyclictest0-21swapper/000:02:500
28240994012,25cyclictest0-21swapper/000:02:490
2824299396,15cyclictest0-21swapper/221:35:182
28242993914,22cyclictest0-21swapper/223:45:352
28240993915,21cyclictest0-21swapper/022:59:230
28240993915,21cyclictest0-21swapper/000:26:440
28240993914,22cyclictest0-21swapper/022:45:220
28240993914,22cyclictest0-21swapper/021:16:100
28240993913,23cyclictest0-21swapper/023:46:100
109272395,10sleep20-21swapper/219:40:202
55532385,13sleep00-21swapper/019:30:050
2824099386,20cyclictest0-21swapper/021:35:320
28240993814,21cyclictest0-21swapper/023:04:420
161252385,13sleep00-21swapper/021:09:130
161252385,13sleep00-21swapper/021:09:120
94342375,12sleep20-21swapper/219:37:362
33862375,13sleep20-21swapper/219:25:062
28244993719,16cyclictest0-21swapper/300:37:423
28242993716,18cyclictest0-21swapper/223:56:462
28242993716,18cyclictest0-21swapper/223:56:452
28242993716,18cyclictest0-21swapper/223:06:022
28240993716,19cyclictest0-21swapper/020:15:010
28240993715,19cyclictest0-21swapper/022:25:020
28240993713,19cyclictest0-21swapper/020:40:050
28240993713,18cyclictest0-21swapper/020:45:270
28240993713,18cyclictest0-21swapper/019:29:200
28240993712,22cyclictest0-21swapper/023:55:290
28240993712,22cyclictest0-21swapper/023:55:290
28240993710,21cyclictest0-21swapper/019:36:490
224492375,13sleep20-21swapper/220:08:192
158102375,13sleep20-21swapper/219:51:322
117652375,12sleep10-21swapper/119:44:531
95622365,13sleep20-21swapper/220:52:592
94172360,1sleep216282-21stress22:05:412
94172360,1sleep216282-21stress22:05:412
72482365,13sleep20-21swapper/219:32:102
28372365,12sleep00-21swapper/019:21:550
28244993621,13cyclictest0-21swapper/321:15:263
28244993620,14cyclictest0-21swapper/300:25:243
28244993620,13cyclictest0-21swapper/322:06:583
28244993620,13cyclictest0-21swapper/322:06:583
28244993618,16cyclictest0-21swapper/300:17:453
28244993618,15cyclictest0-21swapper/321:20:383
28242993612,21cyclictest0-21swapper/200:00:262
28242993612,21cyclictest0-21swapper/200:00:252
2824099368,21cyclictest0-21swapper/022:25:300
2824099366,27cyclictest0-21swapper/022:35:180
28240993611,19cyclictest0-21swapper/019:52:200
181412365,13sleep00-21swapper/019:58:240
115942365,13sleep00-21swapper/019:42:430
115092365,12sleep20-21swapper/220:55:312
95962355,13sleep10-21swapper/120:53:251
30312355,13sleep10-21swapper/120:37:581
301732355,10sleep20-21swapper/219:12:462
28244993521,12cyclictest0-21swapper/323:53:443
28244993521,12cyclictest0-21swapper/323:53:443
28244993519,13cyclictest0-21swapper/322:10:093
28242993515,18cyclictest0-21swapper/222:28:052
28242993515,18cyclictest0-21swapper/200:09:112
28242993515,17cyclictest0-21swapper/222:25:022
28242993515,17cyclictest0-21swapper/222:15:222
28242993515,17cyclictest0-21swapper/221:15:182
28242993513,19cyclictest0-21swapper/222:10:192
28242993513,19cyclictest0-21swapper/221:50:152
28241993514,19cyclictest0-21swapper/100:01:141
28241993514,19cyclictest0-21swapper/100:01:141
28241993511,21cyclictest0-21swapper/122:26:591
28240993514,16cyclictest0-21swapper/020:39:200
28240993514,13cyclictest0-21swapper/022:00:360
28240993513,20cyclictest0-21swapper/022:50:050
28240993512,20cyclictest0-21swapper/000:35:080
28240993511,18cyclictest0-21swapper/019:17:200
28240993511,18cyclictest0-21swapper/019:17:200
180472355,12sleep20-21swapper/219:57:132
159182355,12sleep10-21swapper/121:06:411
159182355,12sleep10-21swapper/121:06:411
141992355,13sleep10-21swapper/119:50:101
2824499348,24cyclictest0-21swapper/320:00:553
28244993420,12cyclictest0-21swapper/322:15:363
28244993419,13cyclictest0-21swapper/300:10:033
28244993418,14cyclictest0-21swapper/323:30:153
28244993418,14cyclictest0-21swapper/323:05:163
2824299348,14cyclictest0-21swapper/220:05:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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