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2024-02-23 - 17:35
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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 rack0slot2.osadl.org (updated Fri Feb 23, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8520302890,1sleep6841rcuc/608:57:306
63295726150,6sleep70-21swapper/707:04:527
63275623827,8sleep40-21swapper/407:03:214
6238252349,7sleep50-21swapper/507:02:175
633379993028,1cyclictest0-21swapper/709:52:067
633379992928,0cyclictest0-21swapper/710:57:057
633373992826,2cyclictest647204-21kworker/u16:2+flush-8:008:17:385
6329772274,8sleep60-21swapper/607:05:076
633379992625,0cyclictest0-21swapper/708:17:317
633379992624,1cyclictest0-21swapper/708:47:067
633379992523,1cyclictest0-21swapper/709:02:067
633375992523,2cyclictest1100174-21kworker/u16:4+events_unbound12:03:586
633379992321,1cyclictest0-21swapper/709:37:327
633373992321,2cyclictest1215481-21kworker/u16:0+flush-8:012:03:595
633379992221,0cyclictest0-21swapper/710:07:327
633375992217,4cyclictest984509-21packagekitd10:03:596
633373992220,2cyclictest744037-21kworker/u16:1+events_unbound08:27:345
63337999205,6cyclictest0-21swapper/708:24:197
633379992019,0cyclictest0-21swapper/711:02:277
633379992019,0cyclictest0-21swapper/708:04:017
633379992018,1cyclictest0-21swapper/707:37:257
63337999200,5cyclictest0-21swapper/707:50:277
633375992015,4cyclictest634-21systemd-journal08:03:586
633373992017,3cyclictest975600-21kworker/u16:1+flush-8:010:04:135
633379991918,0cyclictest0-21swapper/709:52:507
633379991917,1cyclictest0-21swapper/708:52:327
633373991917,2cyclictest1052052-21kworker/u16:2+flush-8:011:07:315
633372991916,2cyclictest647204-21kworker/u16:2+flush-8:009:02:374
63337999184,5cyclictest0-21swapper/710:40:567
633379991817,0cyclictest0-21swapper/709:04:197
633379991817,0cyclictest0-21swapper/708:07:377
633379991816,1cyclictest0-21swapper/711:12:377
633379991816,1cyclictest0-21swapper/709:27:377
633379991816,1cyclictest0-21swapper/709:27:377
633373991816,2cyclictest925793-21kworker/u16:3+events_unbound10:42:335
633373991816,2cyclictest744037-21kworker/u16:1+flush-8:008:37:325
633373991816,2cyclictest1215481-21kworker/u16:0+flush-8:012:17:065
63337399180,4cyclictest0-21swapper/512:30:445
633379991716,0cyclictest0-21swapper/708:12:407
63337599179,8cyclictest0-21swapper/610:25:236
633373991715,2cyclictest925793-21kworker/u16:3+events_unbound10:08:155
633373991715,2cyclictest660835-21kworker/u16:3+events_unbound09:17:405
633373991715,2cyclictest647204-21kworker/u16:2+flush-8:009:12:325
633373991714,2cyclictest660835-21kworker/u16:3+flush-8:008:22:315
633373991714,2cyclictest1100174-21kworker/u16:4+flush-8:011:22:265
633372991714,2cyclictest675537-21kworker/u16:1+events_unbound07:27:304
633379991615,0cyclictest0-21swapper/712:27:297
633379991615,0cyclictest0-21swapper/712:14:147
633379991615,0cyclictest0-21swapper/712:02:277
63337999160,1cyclictest0-21swapper/709:22:407
633375991614,2cyclictest744037-21kworker/u16:1+flush-8:008:09:246
63337599160,16cyclictest0-21swapper/610:42:436
633373991614,2cyclictest925793-21kworker/u16:3+flush-8:009:42:415
633373991614,2cyclictest1023054-21kworker/u16:1+flush-8:010:52:265
633373991613,2cyclictest821028-21kworker/u16:4+flush-8:008:52:375
63337399160,15cyclictest766825-21cut08:12:385
63337299160,15cyclictest0-21swapper/407:52:384
633379991514,0cyclictest0-21swapper/711:47:287
633379991514,0cyclictest0-21swapper/711:17:287
633379991514,0cyclictest0-21swapper/710:12:397
633379991514,0cyclictest0-21swapper/708:27:067
633379991514,0cyclictest0-21swapper/707:07:297
633379991514,0cyclictest0-21swapper/707:07:297
633379991513,1cyclictest0-21swapper/709:32:357
633375991511,3cyclictest657688-21cat07:17:296
633373991513,2cyclictest868867-21kworker/u16:1+events_unbound09:35:465
633373991513,2cyclictest792413-21kworker/u16:0+events_unbound09:04:035
633373991513,2cyclictest647204-21kworker/u16:2+events_unbound09:09:275
63337399150,7cyclictest0-21swapper/511:43:195
63337299150,1cyclictest753036-21pool-org.gnome.08:04:144
633379991412,1cyclictest0-21swapper/710:47:297
633379991412,1cyclictest0-21swapper/707:12:347
63337999140,7cyclictest0-21swapper/709:42:557
63337999140,6cyclictest0-21swapper/711:39:197
63337999140,5cyclictest0-21swapper/710:32:537
63337599140,7cyclictest0-21swapper/611:29:396
63337599140,1cyclictest0-21swapper/612:27:446
633373991412,2cyclictest984596-21kworker/u16:5+flush-8:010:12:475
633373991412,2cyclictest868867-21kworker/u16:1+flush-8:009:37:425
633373991412,2cyclictest660835-21kworker/u16:3+events_unbound08:03:595
633373991412,2cyclictest647204-21kworker/u16:2+flush-8:007:17:075
633373991412,2cyclictest1111683-21kworker/u16:1+flush-8:011:17:425
633373991412,2cyclictest1062194-21kworker/u16:0+events_unbound10:57:285
633373991412,2cyclictest1023054-21kworker/u16:1+flush-8:010:27:275
633373991411,3cyclictest660835-21kworker/u16:3+flush-8:007:32:285
63337399140,1cyclictest0-21swapper/510:47:075
633372991411,2cyclictest984515-21gdbus10:04:154
633372991411,2cyclictest647204-21kworker/u16:2+flush-8:007:47:074
633372991410,3cyclictest1042580-21latency_hist10:37:054
63337299140,6cyclictest0-21swapper/409:25:244
63337299140,1cyclictest0-21swapper/411:03:094
63337299140,14cyclictest0-21swapper/410:37:284
63337299140,13cyclictest999020-21cat10:12:344
633379991312,0cyclictest0-21swapper/712:24:167
633379991312,0cyclictest0-21swapper/712:08:557
633379991312,0cyclictest0-21swapper/711:32:267
633379991312,0cyclictest0-21swapper/711:09:217
633379991312,0cyclictest0-21swapper/710:57:367
633379991312,0cyclictest0-21swapper/710:30:377
633379991312,0cyclictest0-21swapper/710:01:467
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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