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2025-08-30 - 01:11
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Fri Aug 29, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38843299140,12cyclictest0-21swapper/309:05:123
388432991311,1cyclictest0-21swapper/309:50:133
38843299130,12cyclictest69450irq/121-eno109:25:133
388432991211,0cyclictest0-21swapper/309:00:143
388432991210,0cyclictest0-21swapper/307:30:123
38843299120,12cyclictest0-21swapper/310:06:403
38843299120,11cyclictest0-21swapper/312:15:023
38843299120,11cyclictest0-21swapper/312:10:013
38843299120,11cyclictest0-21swapper/310:45:203
38843299120,11cyclictest0-21swapper/308:35:153
388432991111,0cyclictest0-21swapper/310:50:143
388432991110,0cyclictest69450irq/121-eno108:25:223
388432991110,0cyclictest0-21swapper/312:20:133
388432991110,0cyclictest0-21swapper/310:55:133
388432991110,0cyclictest0-21swapper/310:25:173
388432991110,0cyclictest0-21swapper/307:50:163
38843299110,11cyclictest69450irq/121-eno112:30:183
38843299110,10cyclictest69450irq/121-eno111:15:073
38843299110,10cyclictest69450irq/121-eno110:20:413
38843299110,10cyclictest0-21swapper/311:50:013
38843299110,10cyclictest0-21swapper/310:10:163
38843299110,0cyclictest0-21swapper/312:35:153
38843299110,0cyclictest0-21swapper/311:45:013
38843299110,0cyclictest0-21swapper/307:15:133
38843299109,0cyclictest0-21swapper/307:35:503
38843299108,1cyclictest0-21swapper/311:10:123
388432991010,0cyclictest69450irq/121-eno111:27:393
388432991010,0cyclictest69450irq/121-eno108:55:183
388432991010,0cyclictest0-21swapper/309:25:013
388432991010,0cyclictest0-21swapper/308:46:183
388432991010,0cyclictest0-21swapper/307:45:183
38843299100,9cyclictest69450irq/121-eno109:35:153
38843299100,9cyclictest69450irq/121-eno108:20:243
38843299100,9cyclictest0-21swapper/310:40:123
38843299100,0cyclictest0-21swapper/311:20:233
38843299100,0cyclictest0-21swapper/310:30:193
38843299100,0cyclictest0-21swapper/309:40:153
38843299100,0cyclictest0-21swapper/309:15:223
38843299100,0cyclictest0-21swapper/307:20:113
3884329999,0cyclictest69450irq/121-eno112:00:193
3884329999,0cyclictest69450irq/121-eno111:30:183
3884329999,0cyclictest69450irq/121-eno111:02:053
3884329999,0cyclictest69450irq/121-eno109:34:423
3884329999,0cyclictest69450irq/121-eno108:40:223
3884329999,0cyclictest0-21swapper/312:15:013
3884329999,0cyclictest0-21swapper/311:35:133
3884329999,0cyclictest0-21swapper/310:00:143
3884329998,0cyclictest0-21swapper/309:55:143
3884329998,0cyclictest0-21swapper/309:45:133
3884329990,8cyclictest69450irq/121-eno111:05:013
3884329990,8cyclictest0-21swapper/311:50:213
3884329988,0cyclictest69450irq/121-eno112:25:143
3884329988,0cyclictest69450irq/121-eno111:58:253
3884329988,0cyclictest0-21swapper/308:15:203
3884329988,0cyclictest0-21swapper/308:00:133
3884329988,0cyclictest0-21swapper/307:55:143
3884329983,3cyclictest4127832sleep308:10:123
3884329977,0cyclictest69450irq/121-eno110:15:153
3884329977,0cyclictest69450irq/121-eno108:54:583
3884329977,0cyclictest69450irq/121-eno108:08:153
3884329977,0cyclictest69450irq/121-eno107:12:363
3884329977,0cyclictest0-21swapper/307:40:143
3884329970,7cyclictest69450irq/121-eno110:35:283
3884329970,7cyclictest0-21swapper/309:10:133
3884329970,7cyclictest0-21swapper/307:25:193
3884329960,0cyclictest0-21swapper/308:30:183
387982261,0sleep00-21swapper/007:05:570
497224250,1sleep00-21swapper/011:35:130
464408250,3sleep0464557-21ntp_states10:15:200
402676250,1sleep1402702-21apt-get07:45:121
388276251,1sleep10-21swapper/107:09:421
387210251,2sleep30-21swapper/307:05:193
396743240,2sleep2396769-21apt-get07:30:132
386629242,1sleep20-21swapper/207:05:062
522625230,1sleep1522651-21apt-get12:35:141
492798230,2sleep0492892-21cat11:25:020
450526230,2sleep0450467-21/usr/sbin/munin09:45:150
410873230,1sleep10-21swapper/108:05:131
408140230,3sleep20-21swapper/207:56:232
521967220,0sleep00-21swapper/012:31:290
518445220,1sleep1518471-21apt-get12:25:151
514401220,1sleep2514663-21df_inode12:15:142
513721220,1sleep1513747-21http12:15:011
508714220,1sleep1508920-21grep12:00:201
506215220,1sleep1506369-21ntp_states11:55:161
505593220,1sleep00-21swapper/011:55:110
490437220,0sleep10-21swapper/111:17:491
488555220,0sleep10-21swapper/111:14:411
486949220,1sleep2487195-21diskstats11:10:142
459509220,1sleep0459786-21df_inode10:05:200
458826220,1sleep1458844-21apt-get10:05:011
447440220,1sleep00-21swapper/009:35:220
445715222,0sleep00-21swapper/009:30:260
437873220,0sleep00-21swapper/009:14:570
434660220,1sleep0434742-21irqstats09:05:170
433979220,1sleep11-21systemd09:05:011
420466220,1sleep0420492-21apt-get08:30:140
406931220,1sleep0407193-21df_inode07:55:160
406201222,0sleep00-21swapper/007:54:240
396866220,1sleep0397119-21cstates07:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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