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Add a sampling profiler and a script to generate profiles for use with Gecko tooling.

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This commit is contained in:
Josh Matthews 2019-03-22 13:15:50 -04:00
parent db7bb2a510
commit 90f67c11e5
13 changed files with 379 additions and 28 deletions
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23
components/constellation/constellation.rs
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@ -124,7 +124,7 @@ use keyboard_types::webdriver::Event as WebDriverInputEvent;
use keyboard_types::KeyboardEvent;
use layout_traits::LayoutThreadFactory;
use log::{Level, LevelFilter, Log, Metadata, Record};
use msg::constellation_msg::{BackgroundHangMonitorRegister, HangAlert};
use msg::constellation_msg::{BackgroundHangMonitorRegister, HangMonitorAlert};
use msg::constellation_msg::{
BrowsingContextId, HistoryStateId, PipelineId, TopLevelBrowsingContextId,
};
@ -210,11 +210,11 @@ pub struct Constellation<Message, LTF, STF> {
/// A channel for the background hang monitor to send messages
/// to the constellation.
background_hang_monitor_sender: IpcSender<HangAlert>,
background_hang_monitor_sender: IpcSender<HangMonitorAlert>,
/// A channel for the constellation to receiver messages
/// from the background hang monitor.
background_hang_monitor_receiver: Receiver<Result<HangAlert, IpcError>>,
background_hang_monitor_receiver: Receiver<Result<HangMonitorAlert, IpcError>>,
/// An IPC channel for layout threads to send messages to the constellation.
/// This is the layout threads' view of `layout_receiver`.
@ -942,7 +942,7 @@ where
#[derive(Debug)]
enum Request {
Script((PipelineId, FromScriptMsg)),
BackgroundHangMonitor(HangAlert),
BackgroundHangMonitor(HangMonitorAlert),
Compositor(FromCompositorMsg),
Layout(FromLayoutMsg),
NetworkListener((PipelineId, FetchResponseMsg)),
@ -1008,10 +1008,17 @@ where
}
}
fn handle_request_from_background_hang_monitor(&self, message: HangAlert) {
// TODO: In case of a permanent hang being reported, add a "kill script" workflow,
// via the embedder?
warn!("Component hang alert: {:?}", message);
fn handle_request_from_background_hang_monitor(&self, message: HangMonitorAlert) {
match message {
HangMonitorAlert::Profile(bytes) => self
.embedder_proxy
.send((None, EmbedderMsg::ReportProfile(bytes))),
HangMonitorAlert::Hang(hang) => {
// TODO: In case of a permanent hang being reported, add a "kill script" workflow,
// via the embedder?
warn!("Component hang alert: {:?}", hang);
},
}
}
fn handle_request_from_network_listener(&mut self, message: (PipelineId, FetchResponseMsg)) {