Enhance gc-nvp-trace-processor.py:
- correctly display time spent in scavenger (it was attributed to 'other' scope). - display time spent in 'external' scope. Review URL: http://codereview.chromium.org/7067022 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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@ -216,16 +216,26 @@ def reclaimed_bytes(row):
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return row['total_size_before'] - row['total_size_after']
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def other_scope(r):
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return r['pause'] - r['mark'] - r['sweep'] - r['compact']
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if r['gc'] == 's':
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# there is no 'other' scope for scavenging collections.
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return 0
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return r['pause'] - r['mark'] - r['sweep'] - r['compact'] - r['external']
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def scavenge_scope(r):
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if r['gc'] == 's':
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return r['pause'] - r['external']
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return 0
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plots = [
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[
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Set('style fill solid 0.5 noborder'),
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Set('style histogram rowstacked'),
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Set('style data histograms'),
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Plot(Item('Marking', 'mark', lc = 'purple'),
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Plot(Item('Scavenge', scavenge_scope, lc = 'green'),
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Item('Marking', 'mark', lc = 'purple'),
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Item('Sweep', 'sweep', lc = 'blue'),
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Item('Compaction', 'compact', lc = 'red'),
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Item('External', 'external', lc = '#489D43'),
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Item('Other', other_scope, lc = 'grey'))
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],
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[
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@ -314,6 +324,10 @@ def process_trace(filename):
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stats(out, 'Mark', filter(lambda r: r['mark'] != 0, trace), 'mark')
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stats(out, 'Sweep', filter(lambda r: r['sweep'] != 0, trace), 'sweep')
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stats(out, 'Compact', filter(lambda r: r['compact'] != 0, trace), 'compact')
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stats(out,
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'External',
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filter(lambda r: r['external'] != 0, trace),
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'external')
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out.write('</table>')
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for chart in charts:
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out.write('<img src="%s">' % chart)
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