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Issue 40630: tracemalloc: allow resetting peak memory metric without touching other traces

Issue40630

classification

Title:	tracemalloc: allow resetting peak memory metric without touching other traces
Type:	enhancement	Stage:	resolved
Components:	Library (Lib)	Versions:	Python 3.9

process

Status:	closed	Resolution:	fixed
Dependencies:		Superseder:
Assigned To:		Nosy List:	huonw, vstinner
Priority:	normal	Keywords:	patch

Created on 2020-05-15 02:12 by huonw, last changed 2022-04-11 14:59 by admin. This issue is now closed.

Pull Requests
URL	Status	Linked	Edit
PR 20102	merged	huonw, 2020-05-15 03:42
PR 20545	merged	huonw, 2020-05-31 00:29
PR 20546	merged	huonw, 2020-05-31 00:30

Messages (6)
msg368916 - (view)	Author: Huon Wilson (huonw) *	Date: 2020-05-15 02:12
Per https://mail.python.org/archives/list/python-ideas@python.org/thread/QDWI37A4TJXOYUKULGPY2GKD7IG2JNDC/ , it would be helpful to have a function that resets the peak memory usage of the tracemalloc module, without changing all the traces. This allows for recording the peak memory usage of a specific region of code, rather than only the peak since the last tracemalloc.start() or tracemalloc.clear_traces() call.
msg369604 - (view)	Author: STINNER Victor (vstinner) *	Date: 2020-05-22 14:18
New changeset 8b62644831443e400215eeb822c921f4f06c8977 by Huon Wilson in branch 'master': bpo-40630: Add tracemalloc.reset_peak (GH-20102) https://github.com/python/cpython/commit/8b62644831443e400215eeb822c921f4f06c8977
msg369605 - (view)	Author: STINNER Victor (vstinner) *	Date: 2020-05-22 14:20
Thanks Huon Wilson!
msg370566 - (view)	Author: STINNER Victor (vstinner) *	Date: 2020-06-01 17:26
New changeset 3c7609a23cf6e011f2cd411e28d9dcb1b087929c by Huon Wilson in branch '3.9': [3.9] bpo-40630: Add tracemalloc.reset_peak (GH-20102) (GH-20545) https://github.com/python/cpython/commit/3c7609a23cf6e011f2cd411e28d9dcb1b087929c
msg370567 - (view)	Author: STINNER Victor (vstinner) *	Date: 2020-06-01 17:26
New changeset 39de8e4b6f139f8d8284732bd7bb6e5ccced29fa by Huon Wilson in branch 'master': bpo-40630: adjust tracemalloc.reset_peak docs for backport to 3.9 (GH-20546) https://github.com/python/cpython/commit/39de8e4b6f139f8d8284732bd7bb6e5ccced29fa
msg370568 - (view)	Author: STINNER Victor (vstinner) *	Date: 2020-06-01 17:27
Feature added to Python 3.9. Lukasz allowed to add the feature to Python 3.9 beta2: https://github.com/python/cpython/pull/20102#issuecomment-632728791

History
Date	User	Action	Args
2022-04-11 14:59:31	admin	set	github: 84810
2020-06-01 17:27:29	vstinner	set	messages: + msg370568 versions: + Python 3.9, - Python 3.10
2020-06-01 17:26:37	vstinner	set	messages: + msg370567
2020-06-01 17:26:29	vstinner	set	messages: + msg370566
2020-05-31 00:30:44	huonw	set	pull_requests: + pull_request19791
2020-05-31 00:29:15	huonw	set	pull_requests: + pull_request19790
2020-05-22 14:20:06	vstinner	set	status: open -> closed versions: + Python 3.10, - Python 3.9 messages: + msg369605 resolution: fixed stage: patch review -> resolved
2020-05-22 14:18:55	vstinner	set	messages: + msg369604
2020-05-15 03:42:10	huonw	set	keywords: + patch stage: patch review pull_requests: + pull_request19409
2020-05-15 02:12:35	huonw	create