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2024-05-28 - 06:20
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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 rackbslot1.osadl.org (updated Mon May 27, 2024 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4559362215180,24sleep10-21swapper/107:07:361
4560032213184,19sleep20-21swapper/207:08:302
4558882209186,13sleep30-21swapper/307:06:583
4558152202174,18sleep00-21swapper/007:05:590
456340996557,7cyclictest592744-21kworker/u8:1+flush-179:010:15:171
45633699577,50cyclictest464665-21kworker/u8:2+efi_rts_wq07:52:500
456346995653,2cyclictest588118-21kworker/u8:2+flush-179:010:15:003
456340995653,2cyclictest597643-21snmp_wlanpowerc10:05:011
456344995552,2cyclictest626610-21kworker/u8:0+flush-179:010:50:052
456340995551,3cyclictest469141-21/usr/share/muni07:25:151
456346995249,2cyclictest500719-21kworker/u8:2+flush-179:008:10:083
456340995248,3cyclictest626610-21kworker/u8:0+flush-179:010:40:391
456336995238,13cyclictest300869-21kworker/0:1+pm08:54:450
45634099503,46cyclictest464665-21kworker/u8:2+efi_rts_wq07:52:491
456346994945,3cyclictest549571-21chrome09:05:013
456346994845,2cyclictest622148-21kworker/u8:4+events_unbound10:35:213
456344994743,3cyclictest706132-21kworker/u8:0+flush-179:012:20:012
456346994643,2cyclictest7503-20chrome11:05:513
456346994642,3cyclictest549309-21latency_hist09:05:013
456346994642,3cyclictest519917-21kworker/u8:2+flush-179:008:40:113
456346994641,4cyclictest7505-21ThreadPoolForeg08:35:353
456340994641,4cyclictest593061-21latency_hist10:00:001
456346994539,5cyclictest7507-21ThreadPoolForeg10:00:083
456344994543,2cyclictest684136-21kworker/u8:2+flush-179:011:55:152
456344994541,3cyclictest500763-21kworker/u8:3+flush-179:008:45:302
456340994541,3cyclictest707210-21ntpq12:20:071
456340994541,2cyclictest642014-21kworker/u8:4+flush-179:011:10:381
456346994441,2cyclictest633955-21kworker/u8:3+flush-179:011:55:013
456346994438,4cyclictest666670-21/usr/share/muni11:30:173
456344994441,2cyclictest464665-21kworker/u8:2+flush-179:007:40:142
456340994440,3cyclictest568943-21kworker/u8:0+flush-179:009:35:131
456346994341,2cyclictest469408-21kworker/u8:1+flush-179:007:45:083
456340994336,5cyclictest569299-21latency_hist09:30:011
456346994239,2cyclictest633955-21kworker/u8:3+flush-179:011:25:213
456340994239,2cyclictest592744-21kworker/u8:1+flush-179:010:25:121
456340994238,3cyclictest588118-21kworker/u8:2+flush-179:009:50:391
456336994235,5cyclictest549633-21/usr/share/muni09:05:080
456336994234,6cyclictest593324-21/usr/share/muni10:00:140
456346994139,2cyclictest496666-21kworker/u8:0+flush-179:008:00:093
456346994138,2cyclictest669184-21kworker/u8:1+flush-179:011:50:013
456346994137,2cyclictest500763-21kworker/u8:3+events_unbound08:20:013
456340994138,2cyclictest642014-21kworker/u8:4+flush-179:011:15:121
456340994131,9cyclictest145-1kworker/1:1H+kblockd12:10:101
456346994037,2cyclictest669184-21kworker/u8:1+flush-179:012:25:053
456346994037,2cyclictest507154-21kworker/u8:4+flush-179:008:15:053
456344994037,2cyclictest678347-21kworker/2:2+pm12:19:262
456344994037,2cyclictest624098-21kworker/2:0+pm11:39:342
456346993936,2cyclictest628602-21kworker/u8:2+events_unbound10:55:073
456346993935,3cyclictest684136-21kworker/u8:2+events_unbound11:55:133
456346993932,6cyclictest633955-21kworker/u8:3+flush-179:011:10:113
456344993937,1cyclictest89-1kworker/2:1H+kblockd08:59:202
456344993937,1cyclictest624098-21kworker/2:0+pm10:41:352
456344993937,1cyclictest592377-21kworker/2:2+pm10:30:512
456344993937,1cyclictest592377-21kworker/2:2+pm10:29:562
456344993937,1cyclictest569672-21kworker/2:2+pm09:42:102
456344993937,1cyclictest447780-21kworker/2:1+pm07:37:332
456344993937,1cyclictest447780-21kworker/2:1+pm07:37:332
456344993936,2cyclictest624098-21kworker/2:0+pm11:18:592
456344993936,2cyclictest580873-21kworker/2:0+pm09:55:182
456344993936,2cyclictest537427-21kworker/2:0+pm09:25:552
456344993936,2cyclictest537427-21kworker/2:0+pm09:10:452
456344993936,2cyclictest537427-21kworker/2:0+pm08:50:152
456344993936,2cyclictest501066-21kworker/2:2+pm08:24:082
456344993936,1cyclictest447780-21kworker/2:1+pm07:15:172
456344993935,3cyclictest519917-21kworker/u8:2+events_unbound08:35:082
456344993912,26cyclictest0-21swapper/212:05:022
456340993937,2cyclictest613510-21kworker/1:0+pm10:50:591
456340993935,3cyclictest558285-21kworker/u8:1+flush-179:009:15:131
456336993936,2cyclictest622298-21kworker/0:1+pm12:35:450
456336993936,2cyclictest300869-21kworker/0:1+pm09:11:250
456336993936,2cyclictest300869-21kworker/0:1+pm08:47:000
456336993936,2cyclictest300869-21kworker/0:1+pm08:35:550
456336993931,7cyclictest622298-21kworker/0:1+pm11:33:400
456336993925,2cyclictest1291-21snmpd12:11:380
456346993836,2cyclictest633955-21kworker/u8:3+flush-179:011:40:343
456346993835,2cyclictest582207-21kworker/u8:0+flush-179:009:45:173
456346993835,2cyclictest564983-21kworker/u8:3+flush-179:009:30:083
456346993835,2cyclictest471895-21kworker/u8:3+flush-179:007:55:003
456346993835,2cyclictest464665-21kworker/u8:2+flush-179:007:35:173
456346993835,2cyclictest464665-21kworker/u8:2+flush-179:007:35:173
456344993837,1cyclictest501066-21kworker/2:2+pm08:11:412
456344993836,2cyclictest447780-21kworker/2:1+pm07:50:222
456344993836,1cyclictest678347-21kworker/2:2+pm12:12:042
456344993836,1cyclictest624098-21kworker/2:0+pm11:26:062
456344993836,1cyclictest592377-21kworker/2:2+pm10:35:492
456344993836,1cyclictest592377-21kworker/2:2+pm10:19:462
456344993836,1cyclictest569672-21kworker/2:2+pm09:38:352
456344993836,1cyclictest501066-21kworker/2:2+pm08:05:252
456344993836,1cyclictest447780-21kworker/2:1+pm07:32:462
456344993835,2cyclictest624098-21kworker/2:0+pm11:10:502
456344993835,2cyclictest501066-21kworker/2:2+pm08:40:152
456340993837,1cyclictest666157-21kworker/1:1+pm11:31:351
45634099381,36cyclictest7503-20chrome11:04:101
456336993834,3cyclictest562837-21apt-get09:20:130
456336993834,2cyclictest155-1kworker/0:1H+kblockd11:26:300
456336993824,5cyclictest7505-21ThreadPoolForeg12:10:000
6469162370,1chrt646915-21snmp_wanswitch.11:05:072
456346993735,2cyclictest633955-21kworker/u8:3+flush-179:012:15:353
456346993735,1cyclictest7458-20Chrome_IOThread09:24:003
456346993734,2cyclictest694362-21kworker/u8:2+flush-179:012:10:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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