You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-11 - 09:36

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 highest latencies:
System rack4slot6s.osadl.org (updated Sun May 11, 2025 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2342221250,5chrt23423-21idleruntime23:55:170
1997021240,3chrt19969-21/usr/sbin/munin23:40:290
1712921240,4chrt17128-21sed23:30:240
3247821230,4sleep032480-21sh22:25:000
1943921220,3chrt19440-21latency_hist23:40:030
14678991209,15cyclictest31525-21/usr/sbin/munin20:15:290
14678991208,17cyclictest9172-21/usr/sbin/munin23:00:330
14678991199,16cyclictest5364-21/usr/sbin/munin22:45:170
14678991169,16cyclictest27506-21ntpq00:10:250
14678991168,16cyclictest27935-21awk20:00:200
14678991168,16cyclictest15664-21df23:25:130
14678991167,16cyclictest14395-21chrt21:14:570
14678991167,13cyclictest14329-21/usr/sbin/munin23:20:130
14678991159,16cyclictest23883-21awk21:50:290
14678991158,13cyclictest16341-21ntp_states19:15:210
146789911510,14cyclictest14190-21munin-run23:20:010
14678991149,15cyclictest4320-21ntp_states22:40:290
146789911413,88cyclictest22678-21irqstats19:40:210
14678991138,16cyclictest12177-21missed_timers21:05:210
14678991138,15cyclictest30250-21/usr/sbin/munin20:10:120
14678991138,15cyclictest19768-21df_inode21:35:170
14678991138,15cyclictest17294-21irqstats21:25:210
14678991137,15cyclictest29447-21sshd00:18:250
14678991137,15cyclictest22219-21sort21:45:010
14678991129,17cyclictest8141-21sshd22:55:260
14678991129,14cyclictest675-21ntp_states20:20:250
14678991129,13cyclictest21566-21grep19:35:240
14678991128,16cyclictest18479-21grep21:30:170
14678991128,15cyclictest9013-21seq20:53:090
14678991128,15cyclictest25358-21ntpq19:50:210
14678991128,13cyclictest26523-21users00:05:330
14678991127,16cyclictest30781-21runrttasks22:16:530
14678991127,15cyclictest25641-21chrt21:57:000
14678991127,13cyclictest24091-21ntp_states19:45:210
146789911225,74cyclictest3528-21/usr/sbin/munin20:30:280
14678991119,16cyclictest269-21runrttasks00:23:370
14678991118,16cyclictest6977-21grep20:45:160
14678991118,15cyclictest269-21runrttasks00:01:530
14678991117,14cyclictest6889-21awk22:50:290
14678991117,14cyclictest10761-21ntpq23:05:280
14678991117,13cyclictest17079-21cut21:25:000
14678991116,16cyclictest31778-21seq00:25:530
14678991116,15cyclictest12234-21seq23:10:330
14678991108,13cyclictest22441-21irqstats21:45:210
14678991108,11cyclictest327582sleep022:25:210
14678991107,16cyclictest2538-21runrttasks20:27:450
14678991107,16cyclictest19946-21/usr/sbin/munin19:30:290
14678991107,15cyclictest401-21mailstats00:30:290
14678991107,15cyclictest26925-21seq22:01:450
14678991107,15cyclictest21481-21sshd23:46:250
14678991107,15cyclictest17849-21mailstats19:20:290
14678991106,15cyclictest26774-21find19:55:250
14678991106,12cyclictest29224-21/usr/sbin/munin20:05:250
14678991098,15cyclictest5786-21chrt20:40:210
14678991098,12cyclictest197012sleep019:29:090
146789910910,82cyclictest22046-21/usr/sbin/munin23:50:330
146789910910,18cyclictest15721-21munin-run21:20:010
146789910910,12cyclictest4260-21cpu20:35:120
14678991088,86cyclictest14901-21if_eth019:10:160
14678991088,18cyclictest269-21runrttasks22:34:300
14678991088,14cyclictest3116-21sendmail_mailqu22:35:290
14678991087,13cyclictest29883-21latency_hist22:15:010
14678991086,15cyclictest27775-21open_inodes22:05:290
146789910810,17cyclictest10733-21/usr/sbin/munin21:00:130
14678991079,15cyclictest9640-21ntp_kernel_pll_20:55:220
14678991077,13cyclictest1516-21ntp_states00:35:250
14678991009,18cyclictest14685-21seq19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional