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2024-12-10 - 21:54
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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 rack0slot4.osadl.org (updated Tue Dec 10, 2024 00:46:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36028232381373,5sleep60-21swapper/619:08:0812
36027272368343,14sleep100-21swapper/1019:06:532
36027082364316,14sleep120-21swapper/1219:06:394
36027382349307,32sleep40-21swapper/419:07:0310
36029042346321,15sleep80-21swapper/819:09:1614
36027622344320,14sleep90-21swapper/919:07:2415
36027962343319,14sleep150-21swapper/1519:07:467
36029642342317,14sleep20-21swapper/219:09:588
36028222342317,15sleep50-21swapper/519:08:0711
36029522341317,14sleep110-21swapper/1119:09:513
36029342341317,14sleep140-21swapper/1419:09:376
36028862341317,14sleep70-21swapper/719:08:5913
36029372339314,15sleep00-21swapper/019:09:390
36027182339313,16sleep30-21swapper/319:06:469
36026912339314,15sleep10-21swapper/119:06:271
36026862339295,15sleep130-21swapper/1319:06:235
360334799313313,0cyclictest0-21swapper/321:10:199
3603349992590,258cyclictest3710372-21daemon-init21:10:1910
360337299186185,1cyclictest3710422-21nodedev-init21:10:193
3603349999897,1cyclictest3645791-21nodedev-init19:55:1810
3603349999897,1cyclictest3645791-21nodedev-init19:55:1810
360336299970,95cyclictest0-21swapper/800:35:1914
3603337999493,1cyclictest0-21swapper/021:40:170
3603362999392,1cyclictest0-21swapper/823:50:2014
3603339999389,3cyclictest3641475-21nodedev-init19:50:191
3603339999389,3cyclictest3641475-21nodedev-init19:50:191
3603337998887,1cyclictest3853562-21nodedev-init00:00:190
3603339998583,1cyclictest0-21swapper/122:10:181
3603382998483,1cyclictest3767471-21nodedev-init22:20:206
3603382998382,1cyclictest0-21swapper/1420:25:196
3603367998382,1cyclictest3801907-21nodedev-init23:00:2215
3603347998382,1cyclictest3723353-21nodedev-init21:25:209
3603337998281,1cyclictest0-21swapper/022:05:190
3603376997877,1cyclictest3684565-21nodedev-init20:40:184
3603362997876,1cyclictest3763149-21nodedev-init22:15:1714
3603379997776,1cyclictest3750227-21nodedev-init22:00:185
3603385997372,1cyclictest3714741-21nodedev-init21:15:187
3603357996968,1cyclictest0-21swapper/622:20:1912
3603349996968,1cyclictest3840660-21nodedev-init23:45:2010
3603357996867,1cyclictest3671639-21nodedev-init20:25:1812
3603369996564,1cyclictest0-21swapper/1020:50:162
3603367996160,1cyclictest3849266-21nodedev-init23:55:1715
360337699560,55cyclictest3658688-21daemon-init20:10:174
3603342995352,1cyclictest0-21swapper/223:10:188
3603342995352,1cyclictest0-21swapper/223:10:188
3603367995149,2cyclictest0-21swapper/919:50:2015
3603367995149,2cyclictest0-21swapper/919:50:2015
3603382994847,1cyclictest0-21swapper/1423:05:186
3603382994747,0cyclictest0-21swapper/1420:10:176
3603382994746,1cyclictest3875127-21nodedev-init00:25:186
3603362994645,1cyclictest0-21swapper/821:00:1914
3603337994544,1cyclictest0-21swapper/021:45:190
3603369994440,4cyclictest0-21swapper/1022:18:232
3603369994440,4cyclictest0-21swapper/1019:30:372
3603369994429,11cyclictest3664224-21kworker/u32:4+events_unbound20:37:482
3603369994423,17cyclictest0-21swapper/1021:51:332
3603367994443,1cyclictest3758857-21nodedev-init22:10:1715
360336299448,11cyclictest0-21swapper/822:23:1714
360336299448,11cyclictest0-21swapper/820:44:2614
360336299448,11cyclictest0-21swapper/819:27:3314
360336299448,11cyclictest0-21swapper/819:16:3414
360336299448,11cyclictest0-21swapper/800:02:0814
3603359994443,1cyclictest0-21swapper/720:45:1713
3603369994339,0cyclictest0-21swapper/1021:15:162
3603369994339,0cyclictest0-21swapper/1000:35:152
3603369994336,3cyclictest0-21swapper/1022:30:152
3603369994335,4cyclictest0-21swapper/1023:48:382
360336299438,10cyclictest0-21swapper/823:29:1114
360336299438,10cyclictest0-21swapper/822:45:1414
360336299438,10cyclictest0-21swapper/820:55:2514
360336299437,11cyclictest0-21swapper/823:18:1214
360336299437,11cyclictest0-21swapper/823:18:1214
360336299437,11cyclictest0-21swapper/822:56:1414
360336299437,11cyclictest0-21swapper/822:34:1614
360336299437,11cyclictest0-21swapper/822:01:1914
360336299437,11cyclictest0-21swapper/821:50:2014
360336299437,11cyclictest0-21swapper/820:22:2814
360336299437,11cyclictest0-21swapper/820:11:2914
360336299437,11cyclictest0-21swapper/819:38:3214
360336299437,11cyclictest0-21swapper/800:13:0714
3603369994238,4cyclictest3719042-21kworker/10:2+mm_percpu_wq21:25:242
3603369994238,4cyclictest0-21swapper/1023:20:212
3603369994238,4cyclictest0-21swapper/1022:55:222
3603369994238,4cyclictest0-21swapper/1020:18:002
3603369994234,4cyclictest2331-21arpwatch00:23:052
3603369994233,4cyclictest3767484-21kworker/10:0-events22:38:342
360336999420,38cyclictest0-21swapper/1022:40:152
360336299427,11cyclictest0-21swapper/821:28:2214
360336299427,10cyclictest0-21swapper/823:40:1014
3603369994137,4cyclictest0-21swapper/1023:35:272
3603369994137,4cyclictest0-21swapper/1023:05:222
3603369994137,0cyclictest0-21swapper/1000:25:192
3603369994133,4cyclictest3788710-21kworker/u32:0+writeback22:50:412
3603369994133,4cyclictest3719042-21kworker/10:2+mm_percpu_wq21:44:272
3603369994133,4cyclictest0-21swapper/1020:22:502
3603369994120,17cyclictest0-21swapper/1022:45:372
3603369994036,4cyclictest0-21swapper/1019:35:142
3603369994032,4cyclictest3638524-21kworker/10:1-mm_percpu_wq20:45:022
3603369994032,4cyclictest3638524-21kworker/10:1-events20:42:082
3603369994032,4cyclictest0-21swapper/1020:01:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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