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2026-04-25 - 04:41
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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 Sat Apr 25, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3162621470,1sleep032192-21stress23:38:020
803321210,1sleep332194-21stress22:42:503
11691211754,58sleep20-21swapper/219:05:512
1183729469,20sleep30-21swapper/319:07:403
1015429451,38sleep00-21swapper/019:05:080
1181328456,23sleep10-21swapper/119:07:221
1213099448,33cyclictest0-21swapper/000:39:020
1213099448,33cyclictest0-21swapper/000:39:020
12130994412,18cyclictest0-21swapper/023:30:370
12130994410,23cyclictest0-21swapper/021:55:200
12130994317,18cyclictest0-21swapper/021:00:160
12130994314,17cyclictest0-21swapper/022:18:460
12130994313,20cyclictest0-21swapper/023:55:260
12130994313,20cyclictest0-21swapper/023:55:260
12130994213,17cyclictest0-21swapper/022:28:240
12132994111,21cyclictest0-21swapper/222:05:162
12132994111,21cyclictest0-21swapper/222:05:162
1213099418,24cyclictest0-21swapper/019:45:110
1213099417,23cyclictest0-21swapper/023:45:340
12130994112,17cyclictest0-21swapper/021:20:260
12130994110,28cyclictest0-21swapper/021:37:180
176702405,13sleep20-21swapper/220:35:132
12132994015,22cyclictest0-21swapper/200:01:192
12132994015,22cyclictest0-21swapper/200:01:182
12130994011,17cyclictest0-21swapper/000:23:500
12132993915,22cyclictest0-21swapper/222:04:442
1213099399,24cyclictest0-21swapper/019:10:220
12130993915,21cyclictest0-21swapper/023:50:200
12130993913,18cyclictest0-21swapper/019:44:020
12130993913,11cyclictest0-21swapper/022:47:230
12130993913,11cyclictest0-21swapper/022:47:230
12130993912,19cyclictest0-21swapper/019:15:230
12130993911,16cyclictest0-21swapper/021:40:140
12130993911,16cyclictest0-21swapper/021:40:140
39662385,13sleep00-21swapper/020:02:590
234242385,13sleep00-21swapper/020:48:550
169442385,10sleep20-21swapper/220:33:252
12133993815,20cyclictest0-21swapper/322:29:213
1213299387,21cyclictest0-21swapper/223:55:162
1213299387,21cyclictest0-21swapper/223:55:162
1213299386,21cyclictest0-21swapper/221:30:262
1213299386,21cyclictest0-21swapper/221:30:262
12132993814,14cyclictest0-21swapper/221:15:262
1213199388,13cyclictest0-21swapper/123:30:241
1213099389,23cyclictest0-21swapper/020:11:580
1213099388,22cyclictest0-21swapper/019:25:050
1213099388,21cyclictest0-21swapper/019:35:210
12130993814,17cyclictest0-21swapper/020:25:000
102962385,13sleep00-21swapper/020:16:150
298942375,13sleep30-21swapper/319:48:353
254472375,13sleep10-21swapper/120:52:161
254212375,13sleep30-21swapper/319:36:003
233792375,13sleep20-21swapper/220:48:202
189622375,13sleep30-21swapper/319:20:493
124072375,13sleep30-21swapper/320:20:393
1213299379,19cyclictest0-21swapper/223:04:012
1213299379,18cyclictest0-21swapper/223:07:272
12132993717,17cyclictest0-21swapper/223:47:572
12132993714,20cyclictest0-21swapper/223:22:122
12131993716,18cyclictest0-21swapper/123:15:321
12131993715,20cyclictest0-21swapper/123:00:311
1213099379,21cyclictest0-21swapper/019:56:260
1213099377,20cyclictest0-21swapper/022:40:350
12130993714,20cyclictest0-21swapper/022:30:290
12130993713,21cyclictest0-21swapper/000:15:170
105282375,13sleep20-21swapper/220:19:012
278512365,13sleep10-21swapper/119:44:401
276322365,12sleep30-21swapper/320:57:523
234942365,12sleep30-21swapper/320:49:503
174292365,13sleep20-21swapper/219:20:112
125622365,13sleep10-21swapper/120:22:331
1213299369,24cyclictest0-21swapper/222:57:282
12132993623,11cyclictest0-21swapper/221:35:052
12132993615,19cyclictest0-21swapper/222:15:202
12132993614,19cyclictest0-21swapper/222:54:592
12132993612,21cyclictest0-21swapper/223:25:472
12132993611,22cyclictest0-21swapper/200:25:362
12132993611,15cyclictest0-21swapper/221:25:262
12132993611,15cyclictest0-21swapper/221:25:262
12132993610,16cyclictest0-21swapper/221:50:202
1213199367,26cyclictest0-21swapper/122:21:241
1213099369,21cyclictest0-21swapper/019:23:010
1213099369,16cyclictest0-21swapper/021:30:210
1213099369,16cyclictest0-21swapper/021:30:210
1213099368,23cyclictest0-21swapper/019:30:060
12130993614,20cyclictest0-21swapper/021:25:150
12130993614,20cyclictest0-21swapper/021:25:150
12130993610,23cyclictest0-21swapper/022:11:440
280642355,13sleep10-21swapper/121:00:021
141972355,13sleep30-21swapper/319:14:543
139672355,13sleep10-21swapper/119:12:041
1213299355,22cyclictest0-21swapper/219:25:152
12132993514,19cyclictest0-21swapper/200:13:462
1213199356,15cyclictest0-21swapper/120:05:161
12131993510,14cyclictest0-21swapper/119:25:371
1213099358,21cyclictest0-21swapper/020:35:470
1213099357,25cyclictest0-21swapper/000:33:070
1213099357,25cyclictest0-21swapper/000:33:070
1213099355,24cyclictest0-21swapper/020:40:050
12130993515,12cyclictest0-21swapper/020:58:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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