On Thu, Jun 18, 2015 at 5:45 PM, Patrick Walton <pwal...@mozilla.com> wrote:
> It's fine to pass channels over channels as long as those channels don't
> cross process boundaries. In that case, the paint task lives in the chrome
> process (since it has access to the GPU), so you're fine. The problematic
> cases are essentially {script,layout} <-> (anything else).
There's a similar case for the layout task, in
components/script/layout_interface.rs
impl Reporter for LayoutChan {
// Just injects an appropriate event into the layout task's queue.
fn collect_reports(&self, reports_chan: ReportsChan) -> bool {
let LayoutChan(ref c) = *self;
c.send(Msg::CollectReports(reports_chan)).is_ok()
}
}
And the script task will presumably be instrumented eventually.
If there is one memory profiler per process then it might require some
arrangement, but it'll probably work out ok.
Nick
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