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Measure layout queries blocked by ongoing layout

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This commit is contained in:
Philipp Albrecht 2019-03-25 22:39:41 +01:00 • committed by pylbrecht
parent a74f5222db
commit 858011c513
9 changed files with 73 additions and 6 deletions
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18
components/profile/time.rs
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@ -18,7 +18,7 @@ use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
use servo_config::opts::OutputOptions;
use std::borrow::ToOwned;
use std::cmp::Ordering;
use std::collections::BTreeMap;
use std::collections::{BTreeMap, HashMap};
use std::error::Error;
use std::fs::File;
use std::io::{self, Write};
@ -171,6 +171,7 @@ pub struct Profiler {
output: Option<OutputOptions>,
pub last_msg: Option<ProfilerMsg>,
trace: Option<TraceDump>,
blocked_layout_queries: HashMap<String, u32>,
}
impl Profiler {
@ -305,6 +306,7 @@ impl Profiler {
output: output,
last_msg: None,
trace: trace,
blocked_layout_queries: HashMap::new(),
}
}
@ -345,6 +347,9 @@ impl Profiler {
None => sender.send(ProfilerData::NoRecords).unwrap(),
};
},
ProfilerMsg::BlockedLayoutQuery(url) => {
*self.blocked_layout_queries.entry(url).or_insert(0) += 1;
},
ProfilerMsg::Exit(chan) => {
heartbeats::cleanup();
self.print_buckets();
@ -411,6 +416,11 @@ impl Profiler {
.unwrap();
}
}
write!(file, "_url\t_blocked layout queries_\n").unwrap();
for (url, count) in &self.blocked_layout_queries {
write!(file, "{}\t{}\n", url, count).unwrap();
}
},
Some(OutputOptions::Stdout(_)) => {
let stdout = io::stdout();
@ -450,6 +460,12 @@ impl Profiler {
}
}
writeln!(&mut lock, "").unwrap();
writeln!(&mut lock, "_url_\t_blocked layout queries_").unwrap();
for (url, count) in &self.blocked_layout_queries {
writeln!(&mut lock, "{}\t{}", url, count).unwrap();
}
writeln!(&mut lock, "").unwrap();
},
Some(OutputOptions::DB(ref hostname, ref dbname, ref user, ref password)) => {
// Unfortunately, influent does not like hostnames ending with "/"