1 .TH weblatency.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
3 weblatency.d \- website latency statistics. Uses DTrace.
7 This prints statistics for hostnames that browers have set GET requests
8 for, in particular latency by hostname.
10 The latency measured is from the browser sending the GET
11 request to when the browser begins to recieve the response. It
12 is an overall response time for the client, and encompasses
13 connection speed delays, DNS lookups, proxy delays, and web server
16 This is written as an experimental tool, and may not work at all with
19 Since this uses DTrace, only the root user or users with the
20 dtrace_kernel privilege can run this command.
24 unstable - depends on browser implementation.
27 Print report after Ctrl-C is hit,
40 Average time for response, ms
43 Maximum time for response, ms
46 See the source code for the "BROWSER" variable, which sets the browser
47 to trace (currently set to "mozilla-bin").
50 Bryan Cantrill (who wrote an elegant version for Sol 10 update 1)
53 See the DTraceToolkit for further documentation under the
54 Docs directory. The DTraceToolkit docs may include full worked
55 examples with verbose descriptions explaining the output.
57 weblatency.d will sample until Ctrl\-C is hit.