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2026-06-30 - 07:36
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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 Tue Jun 30, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2414212666,55sleep20-21swapper/219:07:002
2487212359,58sleep30-21swapper/319:07:493
2608621160,1sleep123719-21stress22:27:581
2608621160,1sleep123719-21stress22:27:581
2350211551,58sleep00-21swapper/019:06:130
2437211050,55sleep10-21swapper/119:07:151
2765994214,12cyclictest0-21swapper/223:10:332
2764994015,22cyclictest0-21swapper/122:36:171
2763994011,25cyclictest0-21swapper/022:28:010
2763994011,25cyclictest0-21swapper/022:28:000
2764993914,22cyclictest0-21swapper/100:02:151
2764993911,19cyclictest0-21swapper/122:30:271
2764993911,19cyclictest0-21swapper/122:30:261
276399396,18cyclictest0-21swapper/021:50:330
276399396,18cyclictest0-21swapper/021:50:330
2763993912,19cyclictest0-21swapper/020:40:230
2763993911,17cyclictest0-21swapper/020:03:160
2766993811,24cyclictest0-21swapper/323:16:203
276599386,16cyclictest0-21swapper/223:28:552
2765993811,24cyclictest0-21swapper/223:43:392
276399389,19cyclictest0-21swapper/020:15:060
276399389,19cyclictest0-21swapper/020:15:060
122672385,13sleep30-21swapper/319:29:563
56042370,1sleep123719-21stress00:10:151
276399379,20cyclictest0-21swapper/020:50:260
276399379,19cyclictest0-21swapper/019:39:460
2763993715,18cyclictest0-21swapper/023:47:550
2763993713,21cyclictest0-21swapper/021:21:120
273162375,12sleep30-21swapper/320:02:153
272782375,13sleep20-21swapper/220:01:462
236032375,13sleep20-21swapper/221:09:352
233062375,13sleep30-21swapper/321:05:513
211322375,13sleep00-21swapper/021:00:510
185702375,13sleep30-21swapper/319:41:383
126702375,13sleep30-21swapper/320:44:093
102432375,13sleep10-21swapper/120:35:571
295482365,12sleep30-21swapper/320:07:563
2765993610,23cyclictest0-21swapper/221:26:042
276499366,23cyclictest0-21swapper/120:10:521
2764993614,20cyclictest0-21swapper/122:05:241
2764993611,18cyclictest0-21swapper/100:18:001
2764993611,18cyclictest0-21swapper/100:18:001
276399369,18cyclictest0-21swapper/020:35:220
276399368,19cyclictest0-21swapper/020:25:060
2763993611,17cyclictest0-21swapper/020:55:060
251802365,13sleep20-21swapper/219:57:452
213302364,13sleep20-21swapper/221:03:132
120522364,13sleep20-21swapper/219:27:212
83272355,11sleep00-21swapper/020:34:040
77562355,12sleep00-21swapper/019:17:500
293742355,10sleep20-21swapper/220:05:512
2766993516,16cyclictest0-21swapper/322:34:023
2766993516,16cyclictest0-21swapper/322:34:023
2766993514,18cyclictest0-21swapper/323:35:563
2766993514,18cyclictest0-21swapper/323:35:553
2765993515,17cyclictest0-21swapper/200:14:092
2765993513,19cyclictest0-21swapper/200:30:142
2765993510,22cyclictest0-21swapper/221:46:202
276499356,19cyclictest0-21swapper/121:10:331
276499355,23cyclictest0-21swapper/120:25:201
2764993514,19cyclictest0-21swapper/121:35:351
2764993514,18cyclictest0-21swapper/100:08:001
276399356,27cyclictest0-21swapper/022:15:270
2763993515,17cyclictest0-21swapper/021:15:460
2763993514,18cyclictest0-21swapper/000:29:280
208312355,12sleep00-21swapper/019:47:570
189822355,12sleep20-21swapper/220:55:592
165202354,12sleep20-21swapper/219:38:042
146712355,13sleep10-21swapper/120:46:521
123852354,12sleep20-21swapper/220:40:402
83362345,12sleep20-21swapper/220:34:102
76722345,12sleep20-21swapper/219:16:522
39332345,10sleep30-21swapper/320:24:053
319242345,10sleep30-21swapper/320:14:423
276699349,22cyclictest0-21swapper/323:31:423
2766993416,16cyclictest0-21swapper/300:40:023
2765993416,15cyclictest0-21swapper/222:45:322
2765993416,15cyclictest0-21swapper/221:38:182
2765993415,16cyclictest0-21swapper/222:25:302
2765993415,16cyclictest0-21swapper/222:25:302
2765993414,18cyclictest0-21swapper/222:37:462
2765993413,18cyclictest0-21swapper/223:15:342
276499348,24cyclictest0-21swapper/120:33:151
276499348,24cyclictest0-21swapper/119:52:351
2764993414,17cyclictest0-21swapper/122:44:241
2764993414,13cyclictest0-21swapper/123:00:281
2764993414,13cyclictest0-21swapper/123:00:281
2764993413,18cyclictest0-21swapper/123:15:251
276399345,26cyclictest0-21swapper/021:55:200
276399345,22cyclictest0-21swapper/019:20:160
276399345,20cyclictest0-21swapper/020:45:060
276399345,20cyclictest0-21swapper/020:10:170
2763993411,16cyclictest0-21swapper/019:10:060
2763993411,14cyclictest0-21swapper/021:09:170
2763993411,14cyclictest0-21swapper/019:42:190
273352345,10sleep10-21swapper/120:02:291
212872345,10sleep30-21swapper/321:02:423
168022345,12sleep20-21swapper/220:50:462
5342335,13sleep10-21swapper/120:15:161
5342335,13sleep10-21swapper/120:15:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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