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Diffstat (limited to 'doc/api/v8.md')
| -rw-r--r-- | doc/api/v8.md | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/api/v8.md b/doc/api/v8.md index 82169d0486..8cec6bdfdf 100644 --- a/doc/api/v8.md +++ b/doc/api/v8.md @@ -22,6 +22,15 @@ Returns an object with the following properties: * `total_available_size` {number} * `used_heap_size` {number} * `heap_size_limit` {number} +* `malloced_memory` {number} +* `peak_malloced_memory` {number} +* `does_zap_garbage` {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 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. For example: @@ -32,7 +41,10 @@ For example: total_physical_size: 7326976, total_available_size: 1152656, used_heap_size: 3476208, - heap_size_limit: 1535115264 + heap_size_limit: 1535115264, + malloced_memory: 16384, + peak_malloced_memory: 1127496, + does_zap_garbage: 0 } ``` |