Re: Profiling support?
- From
Thomas Rast <tr@thomasrast.ch>
- Date
- Feb 16, 2014, 16:54 UTC
- Message-ID
- <87mwhr2e1w.fsf@thomasrast.ch>
- In-Reply-To
- <871tz3xd3d.fsf@fencepost.gnu.org>
David Kastrup <dak@gnu.org> writes:
Show 28 quoted lines
> Thomas Rast <tr@thomasrast.ch> writes: > >> David Kastrup <dak@gnu.org> writes: >> >>> Looking in the Makefile, I just find support for coverage reports using >>> gcov. Whatever is there with "profile" in it seems to be for >>> profile-based compilation rather than using gprof. >> [...] >>> Is there a reason there are no prewired recipes or advice for using >>> gprof on git? Is there a way to get the work done, namely seeing the >>> actual distribution of call times (rather than iterations) using gcov so >>> that this is not necessary? >> >> No reason I'm aware of, other than that nobody ever wrote it. > > A solid testing/benchmarking framework would quite seem like a useful > GSoC project as it would make it easy for casual programmers to dip > their feet into their personal bottlenecks, and it would make it much > easier to find worthwhile hotspots for future projects taking the > challenge of speeding up core and/or specific operations. > >> Note that I wouldn't exactly be surprised if the gcov targets had >> bitrotted without anyone noticing. I haven't heard of any heavy users. >> I originally wrote them to do some basic test coverage analysis, but >> that's about it. > > I've managed to make use of the outer sandwich layers: the prepare and > the evaluate stuff. I ran my own tests for benchmarking though.
Umm, are we even discussing the same thing here?
Are you saying you ran profiling-instrumented code under the t/perf/ support code? Sounds nice...
-- Thomas Rast tr@thomasrast.ch