• Leszek Swirski's avatar
    Revert "[runtime] Move profiler ticks from SFI to feedback vector" · 14c5c4fd
    Leszek Swirski authored
    This reverts commit a2fcdc7c.
    
    Reason for revert: Large regressions in RCS (https://chromeperf.appspot.com/group_report?bug_id=740126)
    
    Original change's description:
    > [runtime] Move profiler ticks from SFI to feedback vector
    > 
    > Instead of counting profiler ticks on the shared function info (which is
    > shared between native contexts), count them on the feedback vector
    > (which is not). This allows us to continue pushing optimization
    > decisions off the SFI, onto the feedback vector.
    > 
    > Note that a side-effect of this is that ICs don't have to walk the stack
    > to reset profiler ticks, as they can access the feedback vector directly
    > from their feedback nexus.
    > 
    > Change-Id: I232ae9e759fca75cd89d393148a4ff42caa2646f
    > Reviewed-on: https://chromium-review.googlesource.com/544888
    > Reviewed-by: Igor Sheludko <ishell@chromium.org>
    > Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
    > Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#46411}
    
    TBR=rmcilroy@chromium.org,leszeks@chromium.org,ishell@chromium.org
    
    # Not skipping CQ checks because original CL landed > 1 day ago.
    
    Change-Id: Id587e4172e300c420f93c49744a2a0e66696edf8
    Reviewed-on: https://chromium-review.googlesource.com/574227
    Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    Reviewed-by: 's avatarLeszek Swirski <leszeks@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#46702}
    14c5c4fd
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