[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

STINNER Victor added the comment: > Please, don't remove these as I use them often to track down memory usage in > a similar way as Inada-san. Ok, sure. I close my issue and I closed my PR. Note: Maybe your advanced usage of statistics on memory allocators should be documented somewhere in

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

Pablo Galindo Salgado added the comment: Please, don't remove these as I use them often to track down memory usage in a similar way as Inada-san. -- ___ Python tracker ___

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

Inada Naoki added the comment: I use it often when I investigate memory usage. It provides some useful information even in release Python build. For example: * Which size class is most allocated? * How many block are allocated? * Which size class have most free blocks? (e.g. Inner

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

STINNER Victor added the comment: > I use it often when I investigate memory usage. Oh. If you use it, we should keep the feature :-) -- ___ Python tracker ___

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

New submission from STINNER Victor : I never used sys._debugmallocstats() function or PYTHONMALLOCSTATS environment variable, whereas I spend significant time on optimizing memory allocators and free lists. The output is written into stderr which is very convenient to process these data. I

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

STINNER Victor added the comment: "Recent" changes in builtin Python debug tools. * In Python 3.9, I removed the "COUNT_ALLOCS" special build: bpo-39489. * Debug build of Python 3.8 is now ABI compatible with release build: I disabled Py_TRACE_REFS macro by default in --with-pydebug build.

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

STINNER Victor added the comment: INADA-san, Antoine, Serhiy, Pablo: did any of you used this feature recently? Is it useful for your hacks? -- nosy: +inada.naoki, pablogsal, pitrou, serhiy.storchaka ___ Python tracker

[issue40781] Remove sys._debugmallocstats() function and PYTHONMALLOCSTATS environment variable

Change by STINNER Victor : -- keywords: +patch pull_requests: +19687 stage: -> patch review pull_request: https://github.com/python/cpython/pull/20430 ___ Python tracker ___