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2026-03-15 - 06:43
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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 Sun Mar 15, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11925212461,21sleep20-21swapper/219:07:532
12043211150,21sleep10-21swapper/119:09:221
11988211150,56sleep00-21swapper/019:08:390
1192628554,26sleep30-21swapper/319:07:553
12201995815,24cyclictest0-21swapper/321:53:133
12201995810,28cyclictest0-21swapper/322:00:283
1220199558,27cyclictest0-21swapper/322:11:523
12201995510,28cyclictest0-21swapper/323:45:093
165382530,1sleep231705-21stress00:20:262
165382530,1sleep231705-21stress00:20:262
1220199527,24cyclictest0-21swapper/322:20:113
12201995214,17cyclictest0-21swapper/323:41:493
1220199488,23cyclictest0-21swapper/322:15:153
20122440,1sleep331705-21stress22:30:243
209772385,13sleep00-21swapper/019:25:250
78942375,13sleep10-21swapper/120:11:131
37312375,13sleep20-21swapper/220:02:322
320392375,13sleep10-21swapper/119:54:491
290602375,12sleep00-21swapper/019:45:220
270392375,13sleep20-21swapper/220:55:372
231972375,13sleep10-21swapper/119:30:311
12199993710,24cyclictest0-21swapper/122:23:101
12198993712,22cyclictest0-21swapper/022:45:540
12198993711,24cyclictest0-21swapper/023:23:380
94312365,13sleep00-21swapper/020:15:210
318452364,13sleep20-21swapper/219:52:292
276072365,11sleep10-21swapper/119:42:291
206852365,12sleep20-21swapper/220:41:102
192172364,13sleep10-21swapper/119:24:101
191882365,12sleep20-21swapper/219:23:462
140672365,12sleep10-21swapper/119:12:311
12200993613,20cyclictest0-21swapper/222:17:472
1219999368,25cyclictest0-21swapper/122:53:251
12199993612,21cyclictest0-21swapper/123:45:421
1219899365,24cyclictest0-21swapper/019:54:450
12198993613,20cyclictest0-21swapper/021:38:180
84652355,11sleep10-21swapper/120:15:061
298652355,12sleep20-21swapper/219:49:212
297832354,12sleep10-21swapper/119:48:201
294432355,11sleep10-21swapper/121:04:141
294432355,11sleep10-21swapper/121:04:141
292632354,13sleep00-21swapper/021:02:010
292632354,13sleep00-21swapper/021:02:000
255762355,11sleep20-21swapper/219:38:382
250142355,12sleep00-21swapper/020:51:500
230992355,12sleep10-21swapper/120:49:301
213362355,11sleep10-21swapper/119:28:551
185562355,11sleep10-21swapper/120:35:591
169052355,11sleep20-21swapper/219:16:452
14682355,12sleep00-21swapper/019:56:280
143492355,11sleep20-21swapper/220:26:422
139072355,12sleep00-21swapper/019:10:330
122242355,11sleep10-21swapper/120:21:441
1220099358,25cyclictest0-21swapper/220:13:542
12200993514,18cyclictest0-21swapper/200:06:242
12200993512,20cyclictest0-21swapper/222:25:122
1219999359,23cyclictest0-21swapper/100:27:191
1219999359,23cyclictest0-21swapper/100:27:181
12199993515,18cyclictest0-21swapper/121:41:331
12199993515,18cyclictest0-21swapper/121:10:151
12199993514,19cyclictest0-21swapper/100:35:011
1219899359,23cyclictest0-21swapper/022:55:340
1219899359,23cyclictest0-21swapper/000:04:440
57092343,12sleep10-21swapper/120:05:321
272632345,12sleep00-21swapper/020:58:280
253552345,12sleep00-21swapper/019:35:550
206672345,11sleep00-21swapper/020:40:550
164212343,13sleep10-21swapper/120:30:421
14502343,12sleep10-21swapper/119:56:171
12201993411,20cyclictest0-21swapper/300:00:173
12200993415,16cyclictest0-21swapper/223:56:182
12200993414,17cyclictest0-21swapper/223:11:202
12200993414,17cyclictest0-21swapper/223:11:202
12200993411,20cyclictest0-21swapper/222:21:582
12200993411,20cyclictest0-21swapper/200:00:212
12199993415,17cyclictest0-21swapper/122:32:501
12199993411,20cyclictest0-21swapper/121:31:421
12199993411,20cyclictest0-21swapper/121:31:421
1219899347,24cyclictest0-21swapper/021:55:090
1219899345,21cyclictest0-21swapper/021:15:160
1219899345,21cyclictest0-21swapper/020:37:100
12198993416,17cyclictest0-21swapper/020:26:550
12198993415,17cyclictest0-21swapper/022:00:230
12198993411,20cyclictest0-21swapper/023:35:040
12198993411,20cyclictest0-21swapper/021:30:200
12198993411,20cyclictest0-21swapper/021:30:200
79222333,13sleep00-21swapper/020:11:320
249912334,11sleep20-21swapper/220:51:322
230662333,12sleep00-21swapper/020:49:050
1220099339,21cyclictest0-21swapper/222:40:562
12200993315,15cyclictest0-21swapper/222:06:592
12200993315,15cyclictest0-21swapper/222:06:592
12200993315,15cyclictest0-21swapper/200:36:142
12200993315,15cyclictest0-21swapper/200:25:132
12200993315,15cyclictest0-21swapper/200:25:132
12200993313,17cyclictest0-21swapper/200:10:032
12200993310,20cyclictest0-21swapper/200:15:512
12199993316,15cyclictest0-21swapper/123:18:501
12199993316,15cyclictest0-21swapper/123:18:491
12199993315,15cyclictest0-21swapper/123:00:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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