02-14-2009
great and it's an amazing discovery
6 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
First of sll, i wan to apologize to all of the admin. or peoples who are noticing all of my posts today, Im at school and i really have nothing else to do, im in strudy hall and my teacher wont let me check my email, but any ways, i just remembered that I don't have any sounds in Mandrake like i... (4 Replies)
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2. Ubuntu
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3. Solaris
Dear All,
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4. UNIX for Advanced & Expert Users
Hi,
we have some Oracle DBs on a AIX server.
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5. Solaris
Hello there!
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6. AIX
We have a IBM P730 machine running AIX 7.1 in a properly air cooled server room. Just recently the fans on the unit kicked into overdrive, they are very loud and spinning at max.
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LEARN ABOUT OSX
weblatency.d
weblatency.d(1m) USER COMMANDS weblatency.d(1m)
NAME
weblatency.d - website latency statistics. Uses DTrace.
SYNOPSIS
weblatency.d
DESCRIPTION
This prints statistics for hostnames that browers have set GET requests for, in particular latency by hostname.
The latency measured is from the browser sending the GET request to when the browser begins to recieve the response. It is an overall
response time for the client, and encompasses connection speed delays, DNS lookups, proxy delays, and web server response time.
This is written as an experimental tool, and may not work at all with your browser.
Since this uses DTrace, only users with root privileges can run this command.
EXAMPLES
Print report after Ctrl-C is hit,
# weblatency.d
FIELDS
HOST hostname from URL
NUM number of GETs
AVGTIME(ms)
Average time for response, ms
MAXTIME(ms)
Maximum time for response, ms
NOTES
See the source code for the "BROWSER" variable, which sets the browser to trace (currently set to "mozilla-bin").
IDEA
Bryan Cantrill (who wrote an elegant version for Sol 10 update 1)
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
weblatency.d will sample until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO
dtrace(1M)
version 0.60 Nov 30, 2005 weblatency.d(1m)