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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/profiler/rust-api/src/time.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tools/profiler/rust-api/src/time.rs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tools/profiler/rust-api/src/time.rs b/tools/profiler/rust-api/src/time.rs new file mode 100644 index 0000000000..56315690c9 --- /dev/null +++ b/tools/profiler/rust-api/src/time.rs @@ -0,0 +1,71 @@ +/* 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/. */ + +//! Gecko profiler time. + +use crate::gecko_bindings::{bindings, structs::mozilla}; +use std::mem::MaybeUninit; + +/// Profiler time for the marker API. +/// This should be used as the `MarkerTiming` parameter. +/// E.g.: +/// +/// ``` +/// let start = ProfilerTime::now(); +/// // ...some code... +/// gecko_profiler::add_untyped_marker( +/// "marker name", +/// category, +/// MarkerOptions { +/// timing: MarkerTiming::interval_until_now_from(start), +/// ..Default::default() +/// }, +/// ); +/// ``` +#[derive(Debug)] +pub struct ProfilerTime(pub(crate) mozilla::TimeStamp); + +impl ProfilerTime { + pub fn now() -> ProfilerTime { + let mut marker_timing = MaybeUninit::<mozilla::TimeStamp>::uninit(); + unsafe { + bindings::gecko_profiler_construct_timestamp_now(marker_timing.as_mut_ptr()); + ProfilerTime(marker_timing.assume_init()) + } + } + + pub fn add_microseconds(self, microseconds: f64) -> Self { + let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit(); + unsafe { + bindings::gecko_profiler_add_timestamp(&self.0, dest.as_mut_ptr(), microseconds); + ProfilerTime(dest.assume_init()) + } + } + + pub fn subtract_microseconds(self, microseconds: f64) -> Self { + let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit(); + unsafe { + bindings::gecko_profiler_subtract_timestamp(&self.0, dest.as_mut_ptr(), microseconds); + ProfilerTime(dest.assume_init()) + } + } +} + +impl Clone for ProfilerTime { + fn clone(&self) -> Self { + let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit(); + unsafe { + bindings::gecko_profiler_clone_timestamp(&self.0, dest.as_mut_ptr()); + ProfilerTime(dest.assume_init()) + } + } +} + +impl Drop for ProfilerTime { + fn drop(&mut self) { + unsafe { + bindings::gecko_profiler_destruct_timestamp(&mut self.0); + } + } +} |