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| author | Yuriy Vasiyarov <yvasiyarov@ozon.travel> | 2019-05-28 13:41:12 +0300 |
|---|---|---|
| committer | Rich Trott <rtrott@gmail.com> | 2019-05-30 15:25:55 +0200 |
| commit | a40aae8d1bd8e6d292cdfb20a59b101981673334 (patch) | |
| tree | 0df392b2c9fa8bf66c30eab6d5394b3acb87416e /doc | |
| parent | afb84744c6071e77f0738a7ff1a52aaa81db8b77 (diff) | |
| download | android-node-v8-a40aae8d1bd8e6d292cdfb20a59b101981673334.tar.gz android-node-v8-a40aae8d1bd8e6d292cdfb20a59b101981673334.tar.bz2 android-node-v8-a40aae8d1bd8e6d292cdfb20a59b101981673334.zip | |
src: export number_of_native_contexts and number_of_detached_contexts
export number_of_native_contexts and number_of_detached_contexts as
part of v8.getHeapStatistics()
PR-URL: https://github.com/nodejs/node/pull/27933
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/api/v8.md | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/doc/api/v8.md b/doc/api/v8.md index 9949720cf6..ab5950dda6 100644 --- a/doc/api/v8.md +++ b/doc/api/v8.md @@ -131,6 +131,9 @@ Returns an object with the following properties: * `malloced_memory` {number} * `peak_malloced_memory` {number} * `does_zap_garbage` {number} +* `number_of_native_contexts` {number} +* `number_of_detached_contexts` {number} + `does_zap_garbage` is a 0/1 boolean, which signifies whether the `--zap_code_space` option is enabled or not. This makes V8 overwrite heap @@ -138,6 +141,14 @@ garbage with a bit pattern. The RSS footprint (resident memory set) gets bigger because it continuously touches all heap pages and that makes them less likely to get swapped out by the operating system. +`number_of_native_contexts` The value of native_context is the number of the +top-level contexts currently active. Increase of this number over time indicates +a memory leak. + +`number_of_detached_contexts` The value of detached_context is the number +of contexts that were detached and not yet garbage collected. This number +being non-zero indicates a potential memory leak. + <!-- eslint-skip --> ```js { @@ -149,7 +160,9 @@ to get swapped out by the operating system. heap_size_limit: 1535115264, malloced_memory: 16384, peak_malloced_memory: 1127496, - does_zap_garbage: 0 + does_zap_garbage: 0, + number_of_native_contexts: 1, + number_of_detached_contexts: 0 } ``` |