On Thursday, April 05, 2012 12:56:45 am Jason Evans wrote:
> I have the current version of jemalloc integrated into libc as 
> contrib/jemalloc:
> 
>       http://people.freebsd.org/~jasone/patches/jemalloc_20120404b.patch
> 
> This is the first update to FreeBSD's jemalloc in over two years, and the 
> differences are huge (faster, better introspection, hopefully fewer 
bugs).  This has been stable for me across numerous buildworld/installworld 
iterations, as well as when running several benchmarks.  There's a 
bugfix to openpam in the patch that des says will be obsoleted by the next 
vendor import, so I'm planning to let that settle before committing.  In 
the meanwhile, I'm hoping for some review sanity checks on the following 
aspects of the patch:
> 
> * Are the symbol versioning specifications right, and are the compatibility 
> symbols for _malloc_options and _malloc_message workable?
> 
> * Is it acceptable to check this in directly to trunk without using a vendor 
> branch?  For the import workflow I have planned, a vendor branch 
would just be extra work with no benefit that I can see.
> 
> * Is the light editing of the jemalloc manual page sufficient?  Keeping the 
> changes minimal will make regular imports less work, but the result is 
less tailored to FreeBSD.
> 
> * Will the utrace feature be missed?  I removed it some time ago, mainly 
> because traces are impossibly large for most real-world use cases.

I will only speak to this one.  I do still find this useful (I used it most
recently a week or so ago).  It would be nice to keep if it is not a major
pain to maintain.

-- 
John Baldwin
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