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added infrastructure to handle interval and CSV time profiling alongside html-timeline-profiling

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This commit is contained in:
Rohit Zambre 2016-05-11 11:27:07 -07:00
parent 81246a7b61
commit ca3084d241
9 changed files with 214 additions and 92 deletions
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33
components/util/opts.rs
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@ -48,7 +48,7 @@ pub struct Opts {
/// `None` to disable the time profiler or `Some` with an interval in seconds to enable it and
/// cause it to produce output on that interval (`-p`).
pub time_profiler_period: Option<f64>,
pub time_profiling: Option<OutputOptions>,
/// When the profiler is enabled, this is an optional path to dump a self-contained HTML file
/// visualizing the traces as a timeline.
@ -383,6 +383,12 @@ pub fn print_debug_usage(app: &str) -> ! {
process::exit(0)
}
#[derive(Clone, Deserialize, Serialize)]
pub enum OutputOptions {
FileName(String),
Stdout(f64)
}
fn args_fail(msg: &str) -> ! {
let mut stderr = io::stderr();
stderr.write_all(msg.as_bytes()).unwrap();
@ -472,7 +478,7 @@ pub fn default_opts() -> Opts {
gpu_painting: false,
tile_size: 512,
device_pixels_per_px: None,
time_profiler_period: None,
time_profiling: None,
time_profiler_trace_path: None,
mem_profiler_period: None,
layout_threads: 1,
@ -533,7 +539,9 @@ pub fn from_cmdline_args(args: &[String]) -> ArgumentParsingResult {
opts.optopt("s", "size", "Size of tiles", "512");
opts.optopt("", "device-pixel-ratio", "Device pixels per px", "");
opts.optopt("t", "threads", "Number of paint threads", "1");
opts.optflagopt("p", "profile", "Profiler flag and output interval", "10");
opts.optflagopt("p", "profile", "Time profiler flag and either a CSV output filename \
OR an interval for output to Stdout (blank for Stdout with interval of 5s)", "10 \
OR time.csv");
opts.optflagopt("", "profiler-trace-path",
"Path to dump a self-contained HTML timeline of profiler traces",
"");
@ -659,10 +667,19 @@ pub fn from_cmdline_args(args: &[String]) -> ArgumentParsingResult {
None => cmp::max(num_cpus::get() * 3 / 4, 1),
};
// If only the flag is present, default to a 5 second period for both profilers.
let time_profiler_period = opt_match.opt_default("p", "5").map(|period| {
period.parse().unwrap_or_else(|err| args_fail(&format!("Error parsing option: -p ({})", err)))
});
// If only the flag is present, default to a 5 second period for both profilers
let time_profiling = if opt_match.opt_present("p") {
match opt_match.opt_str("p") {
Some(argument) => match argument.parse::<f64>() {
Ok(interval) => Some(OutputOptions::Stdout(interval)) ,
Err(_) => Some(OutputOptions::FileName(argument)),
},
None => Some(OutputOptions::Stdout(5 as f64)),
}
} else {
// if the p option doesn't exist:
None
};
if let Some(ref time_profiler_trace_path) = opt_match.opt_str("profiler-trace-path") {
let mut path = PathBuf::from(time_profiler_trace_path);
@ -771,7 +788,7 @@ pub fn from_cmdline_args(args: &[String]) -> ArgumentParsingResult {
gpu_painting: gpu_painting,
tile_size: tile_size,
device_pixels_per_px: device_pixels_per_px,
time_profiler_period: time_profiler_period,
time_profiling: time_profiling,
time_profiler_trace_path: opt_match.opt_str("profiler-trace-path"),
mem_profiler_period: mem_profiler_period,
layout_threads: layout_threads,