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v8/tools/heap-stats
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Benoît Lizé aab50a3124 Rename ShortExternalString to UncachedExternalString. 
"short" external strings are not short, they mean that the external data
pointer is not cached. Rename the various classes and objects to align
with the actual meaning.

Bug: chromium:877044
Change-Id: Ie3d5baa9ad352ac6ca89f5ba1d066760825e4beb
Reviewed-on: https://chromium-review.googlesource.com/1185192
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Benoit L <lizeb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55432}
2018-08-27 16:54:03 +00:00
..
categories.js Rename ShortExternalString to UncachedExternalString. 2018-08-27 16:54:03 +00:00
details-selection.html [heap-stats] Also collect object field stats. 2018-05-15 14:59:16 +00:00
details-selection.js [heap-stats] Also collect object field stats. 2018-05-15 14:59:16 +00:00
global-timeline.html [tools] V8 heap stats visualizer 2018-01-15 15:27:17 +00:00
global-timeline.js [heap-stats] Compute average percentage of ptr compression memory savings. 2018-05-23 12:10:22 +00:00
helper.js [tools] Improve HeapStats category percentages 2018-03-05 18:28:51 +00:00
histogram-viewer.html [object-stats] Add overall counter to viewer 2018-01-22 09:28:33 +00:00
histogram-viewer.js [heap-stats] Also collect object field stats. 2018-05-15 14:59:16 +00:00
index.html [tools] Improve HeapStats category percentages 2018-03-05 18:28:51 +00:00
model.js [tools] Improve HeapStats category percentages 2018-03-05 18:28:51 +00:00
README.md [object-stats] Unpack gzipped trace files on the fly 2018-01-23 15:01:02 +00:00
trace-file-reader.html [tools] Even more HeapStats improvements 2018-03-02 12:49:12 +00:00
trace-file-reader.js [heap-stats] Fix trace file reader for raw log files 2018-07-30 19:56:39 +00:00

README.md

Heap Stats

Heap stats is a HTML-based tool for visualizing V8-internal object statistics. For example, the tool can be used to visualize how much heap memory is used for maintaining internal state versus actually allocated by the user.

The tool consumes log files produced by d8 (or Chromium) by passing --trace-gc-object-stats or a trace captured using Chrome's tracing infrastructure. Chrome trace files can either be processed as gzip or raw text files.

Hosting requires a web server, e.g.:

cd tools/heap-stats
python -m SimpleHTTPServer 8000