httpdstat.d(1m) USER COMMANDS httpdstat.d(1m)NAME
httpdstat.d - realtime httpd statistics. Uses DTrace.
SYNOPSIS
httpdstat.d [interval [count]]
DESCRIPTION
This prints connection statistics for "httpd" processes, such as those from an Apache web server.
Since this uses DTrace, only users with root privileges can run this command.
EXAMPLES
Print statistics every second,
# httpdstat.d
Print every 5 seconds, 6 times,
# httpdstat.d 5 6
FIELDS
TIME time, string
NUM number of connections
GET number of GETs
POST number of POSTs
HEAD number of HEADs
TRACE number of TRACEs
NOTES
All statistics are printed as a value per interval.
This version does not process subsequent operations on keepalives.
IDEA
Ryan Matteson (who first wrote a solution to this).
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
httpdstat.d will run until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO dtrace(1M)version 0.70 Nov 20, 2005 httpdstat.d(1m)
Check Out this Related Man Page
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)
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