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2025-12-09 - 08:28
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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 Dec 09, 2025 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2929621290,1sleep315515-21stress22:54:333
2929621290,1sleep315515-21stress22:54:333
2074921210,1sleep315518-21stress23:46:033
26174212059,20sleep20-21swapper/219:05:432
26193211555,20sleep00-21swapper/019:05:570
26246211451,58sleep10-21swapper/119:06:341
26498210649,20sleep30-21swapper/319:09:343
188622660,1sleep315515-21stress23:44:543
191282530,3chrt15518-21stress21:15:330
77672510,1sleep315515-21stress23:19:173
2664299416,23cyclictest0-21swapper/100:29:441
26641994117,21cyclictest0-21swapper/023:39:280
26643993911,25cyclictest0-21swapper/222:45:482
26642993914,22cyclictest0-21swapper/121:45:071
26641993915,21cyclictest0-21swapper/021:30:010
42452385,13sleep00-21swapper/020:43:100
26644993820,16cyclictest0-21swapper/323:10:353
26644993814,21cyclictest0-21swapper/322:13:593
26644993814,21cyclictest0-21swapper/322:13:593
2664399389,26cyclictest0-21swapper/222:44:242
2664299385,22cyclictest0-21swapper/121:40:221
2664299385,22cyclictest0-21swapper/121:40:221
26642993812,23cyclictest0-21swapper/123:45:161
2664199386,29cyclictest0-21swapper/023:30:170
26641993815,20cyclictest0-21swapper/022:15:510
26641993815,20cyclictest0-21swapper/022:15:510
26641993812,23cyclictest0-21swapper/000:32:450
152732385,13sleep00-21swapper/021:07:560
152732385,13sleep00-21swapper/021:07:560
99442375,13sleep20-21swapper/219:40:362
86442375,13sleep00-21swapper/020:53:160
320752375,13sleep20-21swapper/220:30:322
315412375,13sleep10-21swapper/119:17:171
279832375,13sleep20-21swapper/220:23:472
278562375,13sleep10-21swapper/120:22:171
2664399379,25cyclictest0-21swapper/221:22:192
2664299379,17cyclictest0-21swapper/120:35:241
26642993714,21cyclictest0-21swapper/123:27:231
26642993714,21cyclictest0-21swapper/123:27:231
2664199379,25cyclictest0-21swapper/022:54:050
2664199379,25cyclictest0-21swapper/022:54:050
26641993717,18cyclictest0-21swapper/022:59:010
26641993716,18cyclictest0-21swapper/021:31:480
26641993715,20cyclictest0-21swapper/023:10:190
26641993714,21cyclictest0-21swapper/022:05:270
26641993710,24cyclictest0-21swapper/022:00:080
233502375,13sleep20-21swapper/220:11:362
232982375,13sleep00-21swapper/020:10:580
166452375,13sleep20-21swapper/219:56:042
101222375,13sleep00-21swapper/019:42:310
78042365,13sleep10-21swapper/119:36:141
78042365,13sleep10-21swapper/119:36:141
57432365,13sleep10-21swapper/119:32:531
315102365,13sleep00-21swapper/019:17:000
299122365,13sleep10-21swapper/120:25:461
26644993617,16cyclictest0-21swapper/321:55:213
26644993617,16cyclictest0-21swapper/321:55:213
26643993611,22cyclictest0-21swapper/223:35:382
26643993611,22cyclictest0-21swapper/223:30:052
26643993610,23cyclictest0-21swapper/200:01:402
26642993617,16cyclictest0-21swapper/100:10:071
26642993614,19cyclictest0-21swapper/122:05:191
26642993613,21cyclictest0-21swapper/123:53:031
26642993611,22cyclictest0-21swapper/122:10:361
26642993611,22cyclictest0-21swapper/122:10:361
26642993611,21cyclictest0-21swapper/122:00:081
2664199369,25cyclictest0-21swapper/023:25:170
2664199369,25cyclictest0-21swapper/023:25:160
26641993615,19cyclictest0-21swapper/023:40:080
26641993615,19cyclictest0-21swapper/022:35:220
26641993613,21cyclictest0-21swapper/021:35:350
26641993613,21cyclictest0-21swapper/021:35:350
26641993610,23cyclictest0-21swapper/022:20:040
147472365,13sleep10-21swapper/119:54:551
84832355,10sleep20-21swapper/220:51:182
64152355,10sleep30-21swapper/320:47:583
57992355,10sleep00-21swapper/019:33:360
2664499358,25cyclictest0-21swapper/321:01:183
26644993510,22cyclictest0-21swapper/321:38:253
26644993510,22cyclictest0-21swapper/321:38:253
2664299353,20cyclictest0-21swapper/122:26:381
2664299353,20cyclictest0-21swapper/122:26:381
26642993515,17cyclictest0-21swapper/122:50:271
26642993515,17cyclictest0-21swapper/122:50:271
26642993513,19cyclictest0-21swapper/121:30:271
26641993516,16cyclictest0-21swapper/022:31:330
26641993515,18cyclictest0-21swapper/022:10:290
26641993515,18cyclictest0-21swapper/022:10:290
26641993513,20cyclictest0-21swapper/023:15:180
26641993510,23cyclictest0-21swapper/000:10:180
189902355,12sleep00-21swapper/020:02:320
107452355,12sleep10-21swapper/120:56:501
106932355,13sleep00-21swapper/020:56:130
40892345,13sleep10-21swapper/120:41:261
36372345,13sleep10-21swapper/119:29:081
322282345,10sleep00-21swapper/020:32:150
316132345,10sleep20-21swapper/219:18:112
299532345,10sleep20-21swapper/220:26:192
277372345,10sleep00-21swapper/020:20:560
268902345,13sleep10-21swapper/119:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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