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2026-04-09 - 04:47
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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 Thu Apr 09, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1333929266,21sleep20-21swapper/219:06:482
1357328863,20sleep30-21swapper/319:09:423
1325528743,39sleep00-21swapper/019:05:450
1340928557,23sleep10-21swapper/119:07:401
1369599728,47cyclictest0-21swapper/022:35:280
13695997110,45cyclictest0-21swapper/021:40:220
310402690,1sleep21140-21stress23:35:092
13695996911,38cyclictest0-21swapper/000:20:150
13695996911,38cyclictest0-21swapper/000:20:150
1369599686,45cyclictest0-21swapper/022:00:240
13695996810,47cyclictest0-21swapper/000:30:120
13695996810,46cyclictest0-21swapper/022:30:120
13695996710,46cyclictest0-21swapper/022:23:230
13695996710,43cyclictest0-21swapper/023:30:320
1369599666,43cyclictest0-21swapper/000:25:120
1369599666,41cyclictest0-21swapper/021:50:010
1369599656,48cyclictest0-21swapper/023:10:150
1369599656,45cyclictest0-21swapper/021:25:340
1369599656,43cyclictest0-21swapper/021:50:240
13695996511,43cyclictest0-21swapper/022:50:010
1369599646,46cyclictest0-21swapper/023:25:280
1369599638,43cyclictest0-21swapper/000:13:430
1369599636,46cyclictest0-21swapper/023:05:000
1369599636,42cyclictest0-21swapper/023:20:360
1369599627,44cyclictest0-21swapper/023:15:230
1369599626,45cyclictest0-21swapper/021:30:280
1369599626,45cyclictest0-21swapper/021:20:160
1369599626,45cyclictest0-21swapper/021:20:160
1369599626,44cyclictest0-21swapper/022:40:220
1369599626,44cyclictest0-21swapper/022:40:210
1369599626,40cyclictest0-21swapper/022:50:110
1369599626,40cyclictest0-21swapper/000:35:350
199162610,14sleep11140-21stress23:08:021
199162610,14sleep11140-21stress23:08:021
1369599617,38cyclictest0-21swapper/022:55:190
1369599616,39cyclictest0-21swapper/023:45:160
1369599616,39cyclictest0-21swapper/023:40:220
1369599616,39cyclictest0-21swapper/023:40:220
1369599616,39cyclictest0-21swapper/023:35:170
1369599616,39cyclictest0-21swapper/022:30:000
1369599616,38cyclictest0-21swapper/023:05:270
1369599616,38cyclictest0-21swapper/023:05:260
13695996111,34cyclictest0-21swapper/000:00:150
1369599607,38cyclictest0-21swapper/023:55:210
1369599596,42cyclictest0-21swapper/021:35:470
1369599519,21cyclictest0-21swapper/000:05:240
1369599516,42cyclictest0-21swapper/023:50:210
1369599516,42cyclictest0-21swapper/000:20:000
1369599516,42cyclictest0-21swapper/000:20:000
1369599515,22cyclictest0-21swapper/020:00:220
1369599509,20cyclictest0-21swapper/021:55:220
1369599509,13cyclictest0-21swapper/019:45:270
1369599506,41cyclictest0-21swapper/022:10:540
1369599496,40cyclictest0-21swapper/022:05:210
1369599487,38cyclictest0-21swapper/021:14:050
1369599476,38cyclictest0-21swapper/022:15:140
1369599476,19cyclictest0-21swapper/021:18:280
1369599476,19cyclictest0-21swapper/021:18:280
1369599466,18cyclictest0-21swapper/021:10:010
1369599465,25cyclictest0-21swapper/020:24:410
1369599457,17cyclictest0-21swapper/019:40:390
1369599456,18cyclictest0-21swapper/020:55:230
1369599455,18cyclictest0-21swapper/019:52:020
1369599455,18cyclictest0-21swapper/019:30:020
13695994510,33cyclictest0-21swapper/019:55:250
1369599448,30cyclictest0-21swapper/020:45:060
1369599446,18cyclictest0-21swapper/020:15:130
1369599446,17cyclictest0-21swapper/020:25:060
1369599446,17cyclictest0-21swapper/020:25:060
1369599445,18cyclictest0-21swapper/020:50:330
1369599445,18cyclictest0-21swapper/020:41:330
1369599445,18cyclictest0-21swapper/019:35:480
1369599445,18cyclictest0-21swapper/019:22:320
13695994410,14cyclictest0-21swapper/021:00:160
13695994410,13cyclictest0-21swapper/020:10:280
1369599439,13cyclictest0-21swapper/020:09:360
1369599436,17cyclictest0-21swapper/020:30:140
1369599436,17cyclictest0-21swapper/019:25:180
1369599435,20cyclictest0-21swapper/019:11:260
1369599426,17cyclictest0-21swapper/019:15:140
1369599415,19cyclictest0-21swapper/020:37:180
272352395,14sleep10-21swapper/119:39:481
1369799389,26cyclictest0-21swapper/221:22:262
1369799389,26cyclictest0-21swapper/221:22:262
246442365,15sleep20-21swapper/220:46:372
13698993613,21cyclictest0-21swapper/321:59:193
95622355,11sleep30-21swapper/320:10:413
75972356,9sleep20-21swapper/220:08:032
292972355,9sleep30-21swapper/319:44:023
248032354,12sleep10-21swapper/119:30:531
166222355,11sleep10-21swapper/120:30:041
138762355,11sleep30-21swapper/320:21:033
13698993510,23cyclictest0-21swapper/322:43:333
13698993510,23cyclictest0-21swapper/322:43:333
13696993510,15cyclictest0-21swapper/120:02:041
13696993510,14cyclictest0-21swapper/119:15:071
117522355,10sleep20-21swapper/220:16:212
312902345,11sleep20-21swapper/221:04:292
311822345,11sleep30-21swapper/319:45:313
267802345,9sleep10-21swapper/120:51:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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