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| author | Benjamin Peterson <benjamin@python.org> | 2014-03-30 21:16:09 (GMT) |
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| committer | Benjamin Peterson <benjamin@python.org> | 2014-03-30 21:16:09 (GMT) |
| commit | ff57aefa97bf82719b893fd9ed1d2b5f4ef51d04 (patch) | |
| tree | efbb7623b1c68baf3459f3b18d1d91335179b9ae /Misc | |
| parent | 3da9fbbe83c6c77c3a6db8d93b200dd81ef86a5f (diff) | |
| download | cpython-ff57aefa97bf82719b893fd9ed1d2b5f4ef51d04.zip cpython-ff57aefa97bf82719b893fd9ed1d2b5f4ef51d04.tar.gz cpython-ff57aefa97bf82719b893fd9ed1d2b5f4ef51d04.tar.bz2 | |
update notes to talk about -X showrefcount
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/SpecialBuilds.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Misc/SpecialBuilds.txt b/Misc/SpecialBuilds.txt index 646ac23..732cb00 100644 --- a/Misc/SpecialBuilds.txt +++ b/Misc/SpecialBuilds.txt @@ -13,12 +13,14 @@ Py_REF_DEBUG ------------ Turn on aggregate reference counting. This arranges that extern _Py_RefTotal -hold a count of all references, the sum of ob_refcnt across all objects. In a -debug-mode build, this is where the "8288" comes from in +hold a count of all references, the sum of ob_refcnt across all objects. +Passing ``-X showrefcount`` on the command line causes the interactive +interpreter to print the reference count total as well the number of memory +blocks allocated after each statement: >>> 23 23 - [8288 refs] + [8288 refs, 14332 blocks] >>> Note that if this count increases when you're not storing away new objects, |