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2026-04-08 - 05:10
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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 Wed Apr 08, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2758221220,1sleep215661-21stress00:07:142
27881211556,20sleep30-21swapper/319:07:423
28017210349,49sleep00-21swapper/019:09:270
2771128863,20sleep20-21swapper/219:05:312
2770828353,24sleep10-21swapper/119:05:311
2815999417,20cyclictest0-21swapper/122:20:151
28158994111,27cyclictest0-21swapper/022:45:310
28158994111,27cyclictest0-21swapper/000:11:390
28160994014,23cyclictest0-21swapper/221:16:252
2815899408,17cyclictest0-21swapper/022:42:300
28158994014,19cyclictest0-21swapper/019:35:480
28158994012,20cyclictest0-21swapper/020:00:240
58782395,13sleep30-21swapper/320:45:183
28762395,13sleep10-21swapper/119:24:321
282972395,13sleep30-21swapper/320:20:403
28158993912,24cyclictest0-21swapper/000:15:030
28158993911,25cyclictest0-21swapper/023:25:460
28158993911,25cyclictest0-21swapper/023:25:460
133972395,13sleep20-21swapper/221:04:252
283042385,13sleep10-21swapper/120:20:421
2816099388,15cyclictest0-21swapper/200:35:282
2816099388,15cyclictest0-21swapper/200:35:282
2815999387,22cyclictest0-21swapper/121:40:181
2815999387,22cyclictest0-21swapper/121:40:181
28159993816,12cyclictest0-21swapper/100:00:161
28159993814,21cyclictest0-21swapper/122:30:191
28158993816,15cyclictest0-21swapper/000:23:400
28158993810,25cyclictest0-21swapper/023:20:570
28158993810,25cyclictest0-21swapper/022:50:270
28158993810,25cyclictest0-21swapper/022:50:270
90622375,12sleep20-21swapper/220:53:392
70782375,12sleep20-21swapper/219:32:552
67532375,13sleep20-21swapper/220:46:302
47432375,13sleep20-21swapper/219:25:412
284492375,12sleep20-21swapper/220:22:352
28161993713,21cyclictest0-21swapper/322:50:273
28161993713,21cyclictest0-21swapper/322:50:273
28160993715,19cyclictest0-21swapper/200:29:252
28160993714,20cyclictest0-21swapper/200:17:152
28160993714,12cyclictest0-21swapper/221:32:482
2815999379,25cyclictest0-21swapper/123:17:321
28159993710,24cyclictest0-21swapper/122:45:411
2815899379,25cyclictest0-21swapper/022:55:220
2815899379,25cyclictest0-21swapper/022:55:210
2815899379,25cyclictest0-21swapper/021:50:210
2815899379,20cyclictest0-21swapper/021:25:230
2815899379,18cyclictest0-21swapper/022:30:490
28158993711,23cyclictest0-21swapper/022:28:510
28158993711,19cyclictest0-21swapper/019:29:190
28158993710,24cyclictest0-21swapper/021:56:030
200442375,13sleep30-21swapper/320:04:453
176512375,13sleep20-21swapper/219:56:132
176352375,13sleep30-21swapper/319:56:023
154742375,12sleep20-21swapper/221:08:392
154742375,12sleep20-21swapper/221:08:382
114752375,13sleep20-21swapper/219:44:222
114752375,13sleep20-21swapper/219:44:222
71582365,13sleep00-21swapper/019:33:570
6112365,13sleep00-21swapper/019:18:380
4212365,13sleep30-21swapper/320:34:043
3072365,13sleep20-21swapper/220:32:382
301972365,12sleep30-21swapper/319:14:283
28161993614,19cyclictest0-21swapper/321:57:073
28160993615,18cyclictest0-21swapper/222:40:122
28160993615,18cyclictest0-21swapper/221:46:322
28160993615,18cyclictest0-21swapper/221:46:312
2815999366,20cyclictest0-21swapper/123:55:151
28158993616,17cyclictest0-21swapper/000:35:540
28158993616,17cyclictest0-21swapper/000:35:540
28158993615,16cyclictest0-21swapper/019:10:210
28158993614,20cyclictest0-21swapper/023:02:280
28158993612,21cyclictest0-21swapper/022:00:210
28158993610,23cyclictest0-21swapper/021:30:190
28158993610,20cyclictest0-21swapper/020:30:220
24322365,13sleep10-21swapper/120:36:461
241262365,13sleep00-21swapper/020:12:070
23622365,13sleep00-21swapper/020:35:530
23392365,13sleep30-21swapper/320:35:403
154842365,13sleep00-21swapper/021:08:450
154842365,13sleep00-21swapper/021:08:440
133732365,13sleep20-21swapper/219:46:232
133502365,13sleep10-21swapper/121:03:491
114092365,13sleep10-21swapper/119:43:331
114092365,13sleep10-21swapper/119:43:321
112332365,12sleep10-21swapper/120:59:041
53492354,12sleep10-21swapper/119:30:101
28161993520,13cyclictest0-21swapper/321:30:063
2816099359,23cyclictest0-21swapper/223:41:452
28160993515,17cyclictest0-21swapper/223:45:192
28160993515,17cyclictest0-21swapper/222:05:222
28160993513,19cyclictest0-21swapper/222:11:212
28160993513,19cyclictest0-21swapper/222:11:212
28160993512,20cyclictest0-21swapper/223:04:152
28160993512,20cyclictest0-21swapper/222:36:172
28160993512,20cyclictest0-21swapper/221:50:122
2815999359,23cyclictest0-21swapper/123:10:321
2815999357,25cyclictest0-21swapper/122:03:541
28159993513,19cyclictest0-21swapper/122:10:181
28159993513,19cyclictest0-21swapper/122:10:181
28159993511,22cyclictest0-21swapper/123:33:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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