You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 11:05
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 50 highest latencies:
System rack0slot2.osadl.org (updated Fri Nov 22, 2024 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40111626250,6sleep70-21swapper/719:02:417
41057825040,7sleep50-21swapper/519:04:565
95521524946,1sleep70-21swapper/723:32:097
66962124846,1sleep70-21swapper/721:10:527
71121124644,1sleep70-21swapper/721:32:477
411040994644,2cyclictest587517-21kworker/u16:1+flush-8:020:57:546
49632224543,1sleep70-21swapper/719:44:407
97666923836,1sleep70-21swapper/723:46:357
41054023524,8sleep40-21swapper/419:04:234
411040992927,2cyclictest884490-21kworker/u16:5+events_unbound23:02:576
411040992826,2cyclictest587517-21kworker/u16:1+flush-8:021:32:506
41046622616,7sleep60-21swapper/619:03:206
411045992523,1cyclictest0-21swapper/719:17:557
411040992422,2cyclictest997902-21kworker/u16:3+events_unbound00:07:596
64933722321,1sleep70-21swapper/721:02:277
411040992321,2cyclictest878753-21kworker/u16:0+flush-8:022:57:096
411045992220,1cyclictest0-21swapper/722:53:057
411040992219,2cyclictest1007046-21kworker/u16:5+flush-8:000:27:406
411035992217,4cyclictest639-21systemd-journal19:17:404
411045992119,1cyclictest0-21swapper/722:22:407
411040992119,2cyclictest609368-21kworker/u16:0+events_unbound21:07:546
411040992018,2cyclictest476895-21kworker/u16:0+flush-8:019:43:056
411040992017,2cyclictest517656-21kworker/u16:4+flush-8:020:42:556
411037992017,2cyclictest587517-21kworker/u16:1+flush-8:021:33:105
411045991917,1cyclictest0-21swapper/721:48:067
411040991914,4cyclictest537639-21latency_hist20:07:416
411045991817,0cyclictest0-21swapper/723:07:397
411040991816,2cyclictest517656-21kworker/u16:4+flush-8:020:57:356
411037991814,3cyclictest306649-21kworker/u16:0+flush-8:019:17:535
411040991715,2cyclictest878753-21kworker/u16:0+flush-8:023:13:056
411040991715,2cyclictest853656-21kworker/u16:3+flush-8:022:47:406
411040991715,2cyclictest810786-21kworker/u16:4+flush-8:022:57:466
411037991715,2cyclictest410830-21kworker/u16:1+flush-8:019:42:555
411037991713,3cyclictest922475-21kworker/u16:2+flush-8:023:42:405
411035991714,2cyclictest420375-21kworker/u16:5+flush-8:019:27:554
41103599170,16cyclictest0-21swapper/419:18:034
411045991614,1cyclictest0-21swapper/721:23:067
411037991614,2cyclictest884490-21kworker/u16:5+flush-8:023:12:555
411037991613,2cyclictest1166-21snmpd20:45:325
411045991514,0cyclictest0-21swapper/723:22:397
411045991513,1cyclictest0-21swapper/719:42:417
41104599150,14cyclictest435349-21turbostat19:17:407
41104599150,14cyclictest0-21swapper/723:14:277
411040991513,2cyclictest922475-21kworker/u16:2+events_unbound23:44:116
411040991513,2cyclictest420375-21kworker/u16:5+flush-8:019:13:016
411037991513,2cyclictest410830-21kworker/u16:1+events_unbound19:27:535
411037991513,2cyclictest1870216-21kworker/u16:4+flush-8:019:13:095
411037991512,2cyclictest629680-21kworker/u16:3+events_unbound20:52:555
411035991512,2cyclictest884490-21kworker/u16:5+flush-8:023:12:534
411035991511,3cyclictest997902-21kworker/u16:3+flush-8:000:08:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional