Making sense of ktrace(1) output

[youshi10 at u.washington.edu]

On Tue, 19 Jun 2007, Peter Jeremy wrote:

> On 2007-Jun-18 15:37:11 +0200, Roman Divacky <rdivacky at freebsd.org> wrote:
>> well.. instead of using ktrace I'd suggest building profiled pkg_add
>> and see that way where the time is spent. ktrace is great if you dont
>> have the source code... but you do :)
>
> If you decide to go this route, you might like to apply
> http://www.freebsd.org/cgi/query-pr.cgi?pr=99800
>
> By default gmon.out is overwritten by each process so you will only
> get the output from the last process of a given name.  My patch
> optionally saves the profiling output each process in a separate file.
> gprof(1) can already accumulate the output from multiple files so this
> patch gives you the ability to profile multiple executions of a single
> executable.  You will still need to glue together the profiling
> results from each executable.
>
> --
> Peter Jeremy
>


Yeah, I noticed that. Thanks for the heads up on the PR :).

Why not create a flag though instead of check to see if an environment variables been set?

-Garrett