You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-18 - 10:53

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 #4, slot #6

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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot6s.osadl.org (updated Thu Apr 18, 2024 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
531022540,3sleep05313-21latency_hist21:05:010
1322622540,2sleep013228-21ntp_kernel_err23:40:230
1043521390,2sleep010436-21df23:30:110
672121330,4chrt6722-21/usr/sbin/munin21:10:090
2650821320,4chrt26509-21ntpq20:20:190
80489911719,84cyclictest25844-21date00:30:020
80489911511,88cyclictest24974-21df20:15:130
80489911510,90cyclictest23201-21munin-run00:20:020
8048991149,92cyclictest15139-21chrt23:47:530
8048991149,90cyclictest10016-21sshd23:28:090
8048991147,93cyclictest1589-21idleruntime20:50:130
8048991138,91cyclictest21309-21/usr/sbin/munin00:10:290
8048991138,90cyclictest17876-21seq19:46:100
80489911310,89cyclictest26051-21/usr/sbin/munin00:30:170
8048991129,90cyclictest11922-21/usr/sbin/munin23:35:210
8048991129,87cyclictest13131-21/usr/sbin/munin21:35:290
8048991128,88cyclictest28205-21sshd20:26:090
8048991118,87cyclictest269-21runrttasks19:55:490
80489911110,87cyclictest17140-21/usr/sbin/munin21:50:170
8048991108,89cyclictest32722-21df20:45:100
8048991108,89cyclictest19447-21chrt19:53:330
8048991108,87cyclictest10800-21df19:20:130
8048991108,87cyclictest10396-21chrt19:18:250
8048991107,90cyclictest14726-21interrupts19:35:170
8048991107,89cyclictest7075-21/usr/sbin/munin23:15:300
80489911011,86cyclictest29450-21chrt20:30:490
8048991098,88cyclictest22472-21chrt22:10:250
8048991098,87cyclictest6167-21seq23:13:290
8048991098,87cyclictest31511-21ntp_states22:45:250
8048991098,87cyclictest28763-21awk22:35:170
8048991098,86cyclictest20478-21seq22:02:410
8048991097,90cyclictest20946-21runrttasks22:05:140
8048991089,87cyclictest30196-21awk22:40:220
8048991089,86cyclictest16707-21rs:main0
8048991088,87cyclictest3814-21latency_hist23:05:010
8048991088,87cyclictest19461-21munin-run22:00:020
8048991087,87cyclictest9551-21/usr/sbin/munin21:20:220
8048991087,86cyclictest21638-21cat20:00:290
8048991086,88cyclictest31475-21fw_packets20:40:130
8048991086,87cyclictest16259-21processes19:40:250
80489910811,82cyclictest5661-21ntpq21:05:220
80489910810,85cyclictest3956-21munin-run21:00:020
80489910810,85cyclictest16809-21sshd23:55:090
8048991079,86cyclictest8898-21sshd21:18:090
8048991079,86cyclictest15783-21df_inode21:45:130
8048991079,85cyclictest25066-21ntp_states22:20:250
8048991078,87cyclictest8907-21chrt19:11:460
8048991078,86cyclictest19337-21munin-run00:05:020
8048991078,85cyclictest634-21users22:50:330
8048991078,85cyclictest23687-21cpu20:10:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional