You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-04 - 11:16

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 #9, slot #4

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 rack9slot4s (updated Sat May 04, 2024 00:59:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188459912651241,7cyclictest0-21swapper/019:25:080
188469912141188,6cyclictest0-21swapper/119:25:081
188469911651110,42cyclictest27705-21perl19:45:181
185012615517,31sleep00-21swapper/019:21:580
179182460405,40sleep10-21swapper/119:20:281
1884599227207,17cyclictest0-21swapper/019:45:180
60712870,4sleep041ktimersoftd/021:40:140
18846997221,17cyclictest30542-21sh22:45:121
18846997123,16cyclictest3020-21runrttasks23:59:531
18846997122,15cyclictest9129-21df00:40:121
18846997019,16cyclictest4745-21fschecks_time20:10:161
18846997019,15cyclictest26584-21fschecks_time00:00:201
18846996919,18cyclictest9309-21runrttasks21:49:061
18846996919,17cyclictest9590-21aten_r4power_en21:50:101
18846996821,14cyclictest4901-21chrt23:01:061
18846996821,14cyclictest3942-21/usr/sbin/munin21:35:111
18846996820,15cyclictest1560-21/usr/sbin/munin22:55:341
18846996819,15cyclictest3020-21runrttasks20:50:191
18846996818,18cyclictest28291-21sshd21:12:081
18846996721,16cyclictest1126-21snmpd20:31:111
18846996720,16cyclictest15435-21grep23:30:201
18846996720,16cyclictest13219-21grep00:50:151
18846996720,15cyclictest23871-21grep19:35:151
18846996720,15cyclictest21791-21sh19:30:161
18846996623,11cyclictest1212-21/usr/sbin/munin00:20:321
18846996622,15cyclictest11689-21grep23:20:221
18846996620,15cyclictest31505-21cat19:55:171
18846996620,15cyclictest20671-21cat23:45:131
18846996620,14cyclictest28203-21sh22:44:561
18846996619,15cyclictest1671-21chrt21:29:011
18846996619,14cyclictest2226-21df_inode21:30:141
18846996618,16cyclictest9555-21chrt20:22:541
18846996520,15cyclictest6287-21fschecks_time21:40:181
18846996520,15cyclictest13962-21df20:35:151
18846996519,15cyclictest12954-21seq23:25:021
18846996421,14cyclictest29686-21grep19:50:201
18846996420,19cyclictest15571-21/usr/sbin/munin20:40:191
18846996420,17cyclictest25472-21smartctl21:05:171
18846996419,15cyclictest4587-21chrt00:26:381
18846996418,16cyclictest17886-21awk22:10:261
18846996322,17cyclictest1126-21snmpd20:00:121
18846996319,15cyclictest3721-21cron20:05:591
18846996319,13cyclictest12467-21swap21:55:301
18846996318,20cyclictest324-21smartctl-wrappe00:15:321
18846996316,14cyclictest29020-21sh21:15:141
18846996316,13cyclictest18153-21chrt23:37:081
18846996221,11cyclictest28344-21latency_hist22:40:001
18846996220,28cyclictest24608-21/usr/sbin/munin22:30:191
18846996219,14cyclictest22369-21/usr/sbin/munin23:50:191
18846996215,13cyclictest29101-21sed00:05:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional