You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-20 - 13:38

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #c, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 rackcslot3s.osadl.org (updated Sat Apr 20, 2024 00:50:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93512510489,15sleep60-21swapper/619:06:276
94222500480,14sleep10-21swapper/119:07:271
93942449432,12sleep20-21swapper/219:07:042
94552446421,19sleep50-21swapper/519:07:555
78872443421,15sleep40-21swapper/419:05:144
95132405385,15sleep00-21swapper/019:08:470
93432390369,15sleep70-21swapper/719:06:217
95072374354,14sleep30-21swapper/319:08:423
10038996159,1cyclictest16374-21latency_hist22:45:002
10039996036,23cyclictest466-21tr00:25:123
111152580,0sleep20-21swapper/219:10:312
10039995755,1cyclictest16979-21cpuspeed_turbos20:30:123
10039995553,1cyclictest3146-21needreboot20:00:273
10039995452,1cyclictest27062-21sh21:59:593
10043995250,1cyclictest9842-21cpuspeed_turbos22:30:137
1004299520,14cyclictest280-21systemd-journal22:35:006
10038995250,1cyclictest20557-21cpuspeed_turbos21:45:152
10039995149,1cyclictest6227-21cpuspeed_turbos21:15:113
10042995048,1cyclictest6411-21unixbench_multi22:20:346
10039995028,1cyclictest3217-21cron21:09:593
10039994846,1cyclictest27734-21grep22:00:133
10038994846,1cyclictest24056-21tr23:00:132
10037994746,0cyclictest8421-21tr23:35:141
10037994743,2cyclictest4617-21grep00:35:001
1003999469,28cyclictest0-21swapper/322:56:073
10039994543,1cyclictest9721-21cut20:15:133
10042994442,1cyclictest8379-21tr23:35:146
1004099440,43cyclictest0-21swapper/422:29:594
10039994420,1cyclictest13408-21tr19:15:143
10038994443,0cyclictest30027-21grep22:05:132
10037994443,0cyclictest25885-21sh23:05:011
10037994420,1cyclictest27713-21grep19:45:141
10042994341,1cyclictest26666-21grep21:55:416
10042994339,2cyclictest30101-21cpuspeed_turbos19:50:216
10043994241,0cyclictest27068-21sh19:45:007
10041994240,1cyclictest8613-21cpuspeed_turbos21:20:155
10040994239,2cyclictest32626-21cpuspeed_turbos22:10:124
10040994238,2cyclictest12469-21timerwakeupswit19:15:024
10039994210,21cyclictest0-21swapper/322:46:283
10043994139,1cyclictest18891-21needreboot19:25:287
10039994139,1cyclictest19360-21tr20:35:133
10042994039,0cyclictest22083-21cron00:05:006
10042994038,1cyclictest21100-21sh22:54:596
1004199405,20cyclictest0-21swapper/519:20:525
10039994038,1cyclictest10988-21tr21:25:133
10037994038,1cyclictest3984-21tail22:15:351
1003699403,21cyclictest0-21swapper/020:35:530
10042993937,1cyclictest1998-21sh22:15:006
10041993910,20cyclictest0-21swapper/519:35:525
10040993937,1cyclictest30520-21cpuspeed_turbos00:20:114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional