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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
extern crate time as std_time;
use energy::read_energy_uj;
use ipc_channel::ipc::IpcSender;
use self::std_time::precise_time_ns;
#[derive(PartialEq, Clone, PartialOrd, Eq, Ord, Deserialize, Serialize)]
pub struct TimerMetadata {
pub url: String,
pub iframe: TimerMetadataFrameType,
pub incremental: TimerMetadataReflowType,
}
#[derive(Clone, Deserialize, Serialize)]
pub struct ProfilerChan(pub IpcSender<ProfilerMsg>);
impl ProfilerChan {
pub fn send(&self, msg: ProfilerMsg) {
self.0.send(msg).unwrap();
}
}
#[derive(Clone, Deserialize, Serialize)]
pub enum ProfilerMsg {
/// Normal message used for reporting time
Time((ProfilerCategory, Option<TimerMetadata>), (u64, u64), (u64, u64)),
/// Message used to force print the profiling metrics
Print,
/// Tells the profiler to shut down.
Exit,
}
#[repr(u32)]
#[derive(PartialEq, Clone, PartialOrd, Eq, Ord, Deserialize, Serialize, Debug, Hash)]
pub enum ProfilerCategory {
Compositing,
LayoutPerform,
LayoutStyleRecalc,
LayoutTextShaping,
LayoutRestyleDamagePropagation,
LayoutNonIncrementalReset,
LayoutSelectorMatch,
LayoutTreeBuilder,
LayoutDamagePropagate,
LayoutGeneratedContent,
LayoutDisplayListSorting,
LayoutFloatPlacementSpeculation,
LayoutMain,
LayoutStoreOverflow,
LayoutParallelWarmup,
LayoutDispListBuild,
PaintingPerTile,
PaintingPrepBuff,
Painting,
ImageDecoding,
ScriptAttachLayout,
ScriptConstellationMsg,
ScriptDevtoolsMsg,
ScriptDocumentEvent,
ScriptDomEvent,
ScriptEvent,
ScriptFileRead,
ScriptImageCacheMsg,
ScriptInputEvent,
ScriptNetworkEvent,
ScriptPlannedNavigation,
ScriptResize,
ScriptSetViewport,
ScriptTimerEvent,
ScriptStylesheetLoad,
ScriptUpdateReplacedElement,
ScriptWebSocketEvent,
ScriptWorkerEvent,
ApplicationHeartbeat,
}
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
pub enum TimerMetadataFrameType {
RootWindow,
IFrame,
}
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
pub enum TimerMetadataReflowType {
Incremental,
FirstReflow,
}
pub fn profile<T, F>(category: ProfilerCategory,
meta: Option<TimerMetadata>,
profiler_chan: ProfilerChan,
callback: F)
-> T
where F: FnOnce() -> T
{
let start_energy = read_energy_uj();
let start_time = precise_time_ns();
let val = callback();
let end_time = precise_time_ns();
let end_energy = read_energy_uj();
send_profile_data(category,
meta,
profiler_chan,
start_time,
end_time,
start_energy,
end_energy);
val
}
pub fn send_profile_data(category: ProfilerCategory,
meta: Option<TimerMetadata>,
profiler_chan: ProfilerChan,
start_time: u64,
end_time: u64,
start_energy: u64,
end_energy: u64) {
profiler_chan.send(ProfilerMsg::Time((category, meta),
(start_time, end_time),
(start_energy, end_energy)));
}
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