• Michael Lippautz's avatar
    cppgc: Add HeapStatsCollector · ab671ee8
    Michael Lippautz authored
    This ports HeapStatsCollector (former ThreadHeapStatsCollector) from
    Blink. The CL only ports accounting of allocated object size which is
    needed for a simple growing strategy in a follow up.
    
    HeapStatsCollector is a global dependency for most sub components as
    it provides infrastructure for measuring time (through trace scopes)
    and space.
    
    The general idea of HeapStatsCollector is to act as sink where all sub
    components push time and space information. This information is then
    gathered and made available via an event that is implemented as POD.
    Time-dependent info is available through regular getters (pull) and
    observers (push).
    
    Change-Id: I40b4d76e1a40c56e5df1a7353622318cde730e26
    Bug: chromium:1056170
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2225902
    Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
    Reviewed-by: 's avatarAnton Bikineev <bikineev@chromium.org>
    Reviewed-by: 's avatarOmer Katz <omerkatz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#68150}
    ab671ee8
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