• Russ Cox's avatar
    cmd/pprof: add Go implementation · 8b5221a5
    Russ Cox authored
    Update #8798
    
    This is a new implementation of pprof,
    written in Go instead of in Perl.
    It was written primarily by Raul Silvera and
    is in use for profiling programs of all languages
    inside Google.
    
    The internal structure is a bit package-heavy,
    but it matches the copy used inside Google, and
    since it is in an internal directory, we can make
    changes to it later if we need to.
    
    The only "new" file here is src/cmd/pprof/pprof.go,
    which stitches together the Google pprof and the
    Go command libraries for object file access.
    
    I am explicitly NOT interested in style or review
    comments on the rest of the files
    (that is, src/cmd/pprof/internal/...).
    Those are intended to stay as close to the Google
    copies as possible, like we did with the pprof Perl script.
    
    Still to do:
    
    - Basic tests.
    - Real command documentation.
    - Hook up disassemblers.
    
    LGTM=r
    R=r, bradfitz, alex.brainman, dave
    CC=golang-codereviews
    https://golang.org/cl/153750043
    8b5221a5
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