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profile: Make the time and memory profilers run over IPC.

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Uses the `Router` abstraction inside `ipc-channel` to avoid spawning new
threads.
This commit is contained in:
Patrick Walton 2015-07-14 18:28:57 -07:00
parent ed1b6a3513
commit f10c076180
19 changed files with 212 additions and 168 deletions
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22
components/layout/layout_task.rs
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@ -39,13 +39,14 @@ use gfx::display_list::StackingContext;
use gfx::font_cache_task::FontCacheTask;
use gfx::paint_task::Msg as PaintMsg;
use gfx::paint_task::{PaintChan, PaintLayer};
use ipc_channel::ipc::IpcReceiver;
use ipc_channel::ipc::{self, IpcReceiver};
use ipc_channel::router::ROUTER;
use layout_traits::LayoutTaskFactory;
use log;
use msg::compositor_msg::{Epoch, ScrollPolicy, LayerId};
use msg::constellation_msg::Msg as ConstellationMsg;
use msg::constellation_msg::{ConstellationChan, Failure, PipelineExitType, PipelineId};
use profile_traits::mem::{self, Report, ReportsChan};
use profile_traits::mem::{self, Report, Reporter, ReporterRequest, ReportsChan};
use profile_traits::time::{self, ProfilerMetadata, profile};
use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
use net_traits::{load_bytes_iter, PendingAsyncLoad};
@ -242,11 +243,20 @@ impl LayoutTaskFactory for LayoutTask {
time_profiler_chan,
mem_profiler_chan.clone());
// Register this thread as a memory reporter, via its own channel.
let reporter = box layout_chan.clone();
// Create a memory reporter thread.
let reporter_name = format!("layout-reporter-{}", id.0);
let msg = mem::ProfilerMsg::RegisterReporter(reporter_name.clone(), reporter);
mem_profiler_chan.send(msg);
let (reporter_sender, reporter_receiver) =
ipc::channel::<ReporterRequest>().unwrap();
let layout_chan_for_reporter = layout_chan.clone();
ROUTER.add_route(reporter_receiver.to_opaque(), box move |message| {
// Just injects an appropriate event into the layout task's queue.
let request: ReporterRequest = message.to().unwrap();
layout_chan_for_reporter.0.send(Msg::CollectReports(request.reports_channel))
.unwrap();
});
mem_profiler_chan.send(mem::ProfilerMsg::RegisterReporter(
reporter_name.clone(),
Reporter(reporter_sender)));
layout.start();