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2026-04-26 - 08:11
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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 Apr 26, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
836212158,58sleep10-21swapper/119:08:121
629211955,59sleep20-21swapper/219:05:412
582021140,1sleep221261-21stress21:47:212
79329776,17sleep30-21swapper/319:07:423
65028657,24sleep00-21swapper/019:05:540
1111994516,22cyclictest0-21swapper/019:58:440
1111994315,21cyclictest0-21swapper/020:48:440
173082420,1sleep317311-21tr22:15:133
1114994115,23cyclictest0-21swapper/323:16:313
1111994111,27cyclictest0-21swapper/023:36:590
1111994111,27cyclictest0-21swapper/023:36:590
1111994110,28cyclictest0-21swapper/021:21:560
1111994110,28cyclictest0-21swapper/021:21:550
1111994016,21cyclictest0-21swapper/023:45:170
1111994014,23cyclictest0-21swapper/022:35:140
1111994014,23cyclictest0-21swapper/022:35:140
1111994014,15cyclictest0-21swapper/000:00:220
165862395,13sleep20-21swapper/220:56:132
111199397,23cyclictest0-21swapper/022:45:020
1111993911,25cyclictest0-21swapper/021:50:280
1111993911,25cyclictest0-21swapper/021:50:270
1111993910,26cyclictest0-21swapper/023:40:070
1111993910,26cyclictest0-21swapper/023:40:070
92622385,13sleep20-21swapper/219:25:182
111299386,20cyclictest0-21swapper/123:30:151
111199389,23cyclictest0-21swapper/019:44:460
1111993815,21cyclictest0-21swapper/000:37:590
1111993814,13cyclictest0-21swapper/022:00:210
1111993814,13cyclictest0-21swapper/022:00:200
1111993812,23cyclictest0-21swapper/023:50:140
31762375,13sleep20-21swapper/219:14:042
230772375,13sleep20-21swapper/219:56:012
188772375,13sleep30-21swapper/321:03:033
146862375,13sleep10-21swapper/119:38:481
146832375,13sleep30-21swapper/320:54:423
124852375,13sleep10-21swapper/119:33:021
1114993714,20cyclictest0-21swapper/321:31:003
1114993710,24cyclictest0-21swapper/323:29:093
1113993711,23cyclictest0-21swapper/223:20:332
111199379,21cyclictest0-21swapper/021:05:490
1111993714,21cyclictest0-21swapper/023:13:100
1111993714,20cyclictest0-21swapper/000:08:390
1111993714,18cyclictest0-21swapper/020:41:160
1111993714,17cyclictest0-21swapper/020:30:380
1111993714,15cyclictest0-21swapper/021:25:160
1111993713,22cyclictest0-21swapper/022:28:110
1111993713,22cyclictest0-21swapper/022:28:110
1111993713,18cyclictest0-21swapper/020:59:450
1111993711,23cyclictest0-21swapper/021:55:070
1111993711,18cyclictest0-21swapper/022:58:220
1111993710,24cyclictest0-21swapper/023:21:220
83202365,13sleep10-21swapper/119:24:371
81902365,12sleep20-21swapper/219:23:012
59022365,12sleep10-21swapper/119:16:271
295282365,13sleep00-21swapper/020:11:280
210132365,12sleep10-21swapper/121:07:541
189842365,13sleep00-21swapper/019:48:300
188612365,12sleep20-21swapper/221:02:512
188182365,12sleep10-21swapper/119:46:261
145992365,13sleep00-21swapper/019:37:440
126002365,12sleep30-21swapper/319:34:293
123902365,12sleep30-21swapper/320:47:443
123102365,13sleep00-21swapper/019:30:490
111499367,26cyclictest0-21swapper/323:01:033
111499367,26cyclictest0-21swapper/321:11:043
1114993616,18cyclictest0-21swapper/322:49:433
1114993615,19cyclictest0-21swapper/321:49:423
1114993614,20cyclictest0-21swapper/323:33:003
1114993614,20cyclictest0-21swapper/321:58:153
1114993614,20cyclictest0-21swapper/321:50:213
1114993614,20cyclictest0-21swapper/321:50:203
1114993613,20cyclictest0-21swapper/322:21:173
111299366,27cyclictest0-21swapper/122:29:551
111299366,27cyclictest0-21swapper/122:29:551
111199365,24cyclictest0-21swapper/019:14:140
111199365,17cyclictest0-21swapper/000:20:250
1111993614,17cyclictest0-21swapper/020:50:050
1111993613,17cyclictest0-21swapper/019:50:220
1111993612,19cyclictest0-21swapper/019:21:430
104152365,12sleep10-21swapper/120:44:481
103572365,12sleep30-21swapper/319:28:123
101992365,12sleep20-21swapper/220:42:082
58472355,13sleep20-21swapper/219:15:472
37372355,12sleep00-21swapper/020:27:190
37372355,12sleep00-21swapper/020:27:190
35992355,12sleep10-21swapper/120:25:361
35992355,12sleep10-21swapper/120:25:351
211762355,12sleep10-21swapper/119:54:091
168452355,10sleep30-21swapper/319:43:353
167602355,12sleep10-21swapper/120:58:241
15602355,10sleep10-21swapper/120:22:361
111499355,28cyclictest0-21swapper/300:25:053
1114993516,16cyclictest0-21swapper/323:24:353
1114993516,16cyclictest0-21swapper/300:23:583
1114993514,19cyclictest0-21swapper/321:40:183
111399358,25cyclictest0-21swapper/220:17:202
111299355,14cyclictest0-21swapper/123:40:251
111299355,14cyclictest0-21swapper/123:40:251
111199359,23cyclictest0-21swapper/021:30:300
111199355,23cyclictest0-21swapper/020:36:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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