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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Bring back elapsed time debugging in gc.c","articleBody":"# Feature or enhancement\n\n### Proposal:\n\nIn \"GH-108362: Incremental GC implementation\" (#116206), it seems to me that the elapsed time debug information disappeared.\n\nThis change took effect in Python 3.14.\n\nIs it possible to get back that piece of debug information?\n\nIn Python 3.13 with `gc.DEBUG_STATS` you would get information like this:\n\n```\ngc: collecting generation 2...\ngc: objects in each generation: 1473 0 5043\ngc: objects in permanent generation: 0\ngc: done, 0 unreachable, 0 uncollectable, 0.0236s elapsed\n```\n\nwhereas in Python 3.14:\n\n```\ngc: collecting generation 2...\ngc: objects in each generation: 1394 5072 248\ngc: objects in permanent generation: 0\n```\n\nPs., I believe that it is commit 1530932 that removes the elapsed time functionality, but I might be wrong.\n\n### Has this already been discussed elsewhere?\n\nI have already discussed this feature proposal on Discourse\n\n### Links to previous discussion of this feature:\n\nhttps://discuss.python.org/t/elapsed-time-debugging-in-gc-c/104396\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-140359\n* gh-140405\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/pgdr","@type":"Person","name":"pgdr"},"datePublished":"2025-10-20T09:11:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/140358/cpython/issues/140358"}