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Send the start and end half of a TimelineMarker to the devtools PullTimelineMarkers thread together.

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This commit is contained in:
Ms2ger 2015-08-28 19:45:32 +02:00
parent 72125f070d
commit cf55d3191d
4 changed files with 47 additions and 99 deletions
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77
components/devtools/actors/timeline.rs
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@ -6,7 +6,6 @@ use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
use msg::constellation_msg::PipelineId;
use rustc_serialize::{json, Encoder, Encodable};
use std::cell::RefCell;
use std::collections::{HashMap, VecDeque};
use std::net::TcpStream;
use std::sync::mpsc::channel;
use std::sync::{Arc, Mutex};
@ -17,7 +16,7 @@ use actors::framerate::FramerateActor;
use actors::memory::{MemoryActor, TimelineMemoryReply};
use devtools_traits::DevtoolScriptControlMsg;
use devtools_traits::DevtoolScriptControlMsg::{SetTimelineMarkers, DropTimelineMarkers};
use devtools_traits::{PreciseTime, TimelineMarker, TracingMetadata, TimelineMarkerType};
use devtools_traits::{PreciseTime, TimelineMarker, TimelineMarkerType};
use protocol::JsonPacketStream;
use util::task;
@ -148,72 +147,15 @@ impl TimelineActor {
return;
}
/// Select root(with depth 0) TimelineMarker pair (IntervalStart + IntervalEnd)
/// from queue and add marker to emitter
/// Return true if closed (IntervalStart + IntervalEnd) pair was founded
fn group(queue: &mut VecDeque<TimelineMarker>, depth: usize,
start_payload: Option<TimelineMarker>, emitter: &Emitter,
markers: &mut Vec<TimelineMarkerReply>) -> bool {
if let Some(start_payload) = start_payload {
if start_payload.metadata != TracingMetadata::IntervalStart {
panic!("Start payload doesn't have metadata IntervalStart");
}
if let Some(end_payload) = queue.pop_front() {
match end_payload.metadata {
TracingMetadata::IntervalEnd => {
if depth == 0 {
// Emit TimelineMarkerReply, pair was found
markers.push(emitter.marker(start_payload, end_payload));
}
return true;
}
TracingMetadata::IntervalStart => {
if group(queue, depth + 1, Some(end_payload), emitter, markers) {
return group(queue, depth, Some(start_payload), emitter, markers);
} else {
queue.push_front(start_payload);
}
}
_ => panic!("Unknown tracingMetadata")
}
} else {
queue.push_front(start_payload);
}
}
false
}
task::spawn_named("PullTimelineMarkers".to_string(), move || {
let mut queues = HashMap::new();
queues.insert("Reflow".to_string(), VecDeque::new());
queues.insert("DOMEvent".to_string(), VecDeque::new());
loop {
if !*is_recording.lock().unwrap() {
break;
}
// Creating queues by marker.name
loop {
match receiver.try_recv() {
Ok(marker) => {
if let Some(list) = queues.get_mut(&marker.name) {
list.push_back(marker);
}
}
Err(_) => break
}
}
// Emit all markers
let mut markers = vec![];
for (_, queue) in &mut queues {
let start_payload = queue.pop_front();
group(queue, 0, start_payload, &emitter, &mut markers);
while let Ok(marker) = receiver.try_recv() {
markers.push(emitter.marker(marker));
}
emitter.send(markers);
@ -336,14 +278,13 @@ impl Emitter {
}
}
fn marker(&self, start_payload: TimelineMarker, end_payload: TimelineMarker)
-> TimelineMarkerReply {
fn marker(&self, payload: TimelineMarker) -> TimelineMarkerReply {
TimelineMarkerReply {
name: start_payload.name,
start: HighResolutionStamp::new(self.start_stamp, start_payload.time),
end: HighResolutionStamp::new(self.start_stamp, end_payload.time),
stack: start_payload.stack,
endStack: end_payload.stack,
name: payload.name,
start: HighResolutionStamp::new(self.start_stamp, payload.start_time),
end: HighResolutionStamp::new(self.start_stamp, payload.end_time),
stack: payload.start_stack,
endStack: payload.end_stack,
}
}