[New-bugs-announce] [issue31415] Add -X option to show import time

[INADA Naoki]

New submission from INADA Naoki:

I used my local patch to profile import time.  I think it's useful for
3rd party authors.
For example:

./python -Ximportprofile -c 'import traceback'
    - _codecs 71 [us]
  - codecs 677 [us]
  - encodings.aliases 412 [us]
- encodings 1688 [us]
- encodings.utf_8 250 [us]
- _signal 120 [us]
- encodings.latin_1 281 [us]
    - _weakrefset 301 [us]
  - abc 593 [us]
- io 1032 [us]
  - _locale 100 [us]
- _bootlocale 262 [us]
    - errno 165 [us]
      - _stat 73 [us]
    - stat 270 [us]
      - genericpath 166 [us]
    - posixpath 456 [us]
    - _collections_abc 1798 [us]
  - os 3366 [us]
  - _sitebuiltins 221 [us]
  - sitecustomize 408 [us]
  - usercustomize 168 [us]
- site 5019 [us]
      - _operator 104 [us]
    - operator 873 [us]
    - keyword 177 [us]
      - _heapq 188 [us]
    - heapq 399 [us]
    - itertools 140 [us]
    - reprlib 224 [us]
    - _collections 89 [us]
  - collections 3009 [us]
      - _functools 76 [us]
        - collections.abc 267 [us]
      - types 592 [us]
      - weakref 499 [us]
    - functools 1726 [us]
        - enum 894 [us]
          - _sre 97 [us]
            - sre_constants 428 [us]
          - sre_parse 849 [us]
        - sre_compile 1267 [us]
        - copyreg 200 [us]
      - re 3035 [us]
      - token 222 [us]
    - tokenize 4660 [us]
  - linecache 6592 [us]
- traceback 10108 [us]

----------
components: Interpreter Core
messages: 301858
nosy: inada.naoki
priority: normal
severity: normal
status: open
title: Add -X option to show import time
type: enhancement
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31415>
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