[ccache] Support for -fprofile-generate, -fprofile-use, -fprofile-arcs

Chris AtLee chris at atlee.ca
Fri Mar 30 16:31:12 MDT 2012


Hi,

When will this patch be included in a released version of ccache?

fwiw I've done some timings with building firefox with ccache 3.1.7
with and without this patch.

without:
real	59m48.040s
user	150m38.626s
sys	24m12.441s
cache directory                     /builds/ccache
cache hit (direct)                   879
cache hit (preprocessed)              16
cache miss                            16
called for link                      128
preprocessor error                     1
unsupported source language            6
autoconf compile/link                 11
unsupported compiler option         6948
no input file                          4

with patch
real	35m12.100s
user	77m37.852s
sys	18m11.073s
cache directory                     /builds/ccache
cache hit (direct)                  2032
cache hit (preprocessed)            2638
cache miss                          3107
called for link                      208
preprocessor error                     1
unsupported source language            8
autoconf compile/link                 11
no input file                          4

On Sun, Aug 14, 2011 at 1:53 PM, Joel Rosdahl <joel at rosdahl.net> wrote:
> On 2011-08-02 03:52, Chris AtLee wrote:
>> My latest code on github should address all the comments so far:
>> https://github.com/catlee/ccache/compare/jrosdahl:master...catlee:profile
>
> Merged now. Thanks!
>
> -- Joel
>
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