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author | Benjamin Peterson <benjamin@python.org> | 2016-09-09 21:57:58 (GMT) |
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committer | Benjamin Peterson <benjamin@python.org> | 2016-09-09 21:57:58 (GMT) |
commit | 4fd64b9a6aba9e6e1a5d8b74f45160cce258a00c (patch) | |
tree | e57bfdc6c9ff29bf7e0f91d73e0c02f09ea5c659 /Misc/SpecialBuilds.txt | |
parent | ad46443e9d28553ad5dd8477ff5458fd07d53b77 (diff) | |
download | cpython-4fd64b9a6aba9e6e1a5d8b74f45160cce258a00c.zip cpython-4fd64b9a6aba9e6e1a5d8b74f45160cce258a00c.tar.gz cpython-4fd64b9a6aba9e6e1a5d8b74f45160cce258a00c.tar.bz2 |
remove ceval timestamp support
Diffstat (limited to 'Misc/SpecialBuilds.txt')
-rw-r--r-- | Misc/SpecialBuilds.txt | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/Misc/SpecialBuilds.txt b/Misc/SpecialBuilds.txt index 4b673fd..82fa23e 100644 --- a/Misc/SpecialBuilds.txt +++ b/Misc/SpecialBuilds.txt @@ -234,29 +234,3 @@ When this symbol is defined, the ceval mainloop and helper functions count the number of function calls made. It keeps detailed statistics about what kind of object was called and whether the call hit any of the special fast paths in the code. - - -WITH_TSC --------- - -Super-lowlevel profiling of the interpreter. When enabled, the sys module grows -a new function: - -settscdump(bool) - If true, tell the Python interpreter to dump VM measurements to stderr. If - false, turn off dump. The measurements are based on the processor's - time-stamp counter. - -This build option requires a small amount of platform specific code. Currently -this code is present for linux/x86 and any PowerPC platform that uses GCC -(i.e. OS X and linux/ppc). - -On the PowerPC the rate at which the time base register is incremented is not -defined by the architecture specification, so you'll need to find the manual for -your specific processor. For the 750CX, 750CXe and 750FX (all sold as the G3) -we find: - - The time base counter is clocked at a frequency that is one-fourth that of - the bus clock. - -This build is enabled by the --with-tsc flag to configure. |