On 12-09-19 1:01 AM, L. David Baron wrote:
On Wednesday 2012-09-19 00:04 -0400, Ehsan Akhgari wrote:
A while ago (I think more than a couple of years ago now), Vlad
implemented FunctionTimer which is a facility to time how much each
function exactly takes to run. Then, I went ahead and instrumented
a whole bunch of code which was triggered throughout our startup
path to get a sense of what things are expensive there and what we
can do about that. That code is hidden behind the NS_FUNCTION_TIMER
build-time flag, turned on by passing --enable-functiontimer.
Is any of the instrumentation worth turning into instrumentation for
the new profiler (SAMPLE_LABEL_* macros)?
I can go through the list and file bugs if I find anything particularly
useful.
Otherwise sounds fine to me (though there could be somebody using it
who wants it to stay).
I just confirmed that at least, nsGlobalWindow.cpp will not build with
--enable-functiontimer, and the fact that nobody has complained about
that before is a strong indication that nobody is using this code.
Cheers,
Ehsan
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