93 lines
2.0 KiB
Rust
93 lines
2.0 KiB
Rust
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#![feature(test)]
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extern crate test;
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#[cfg(feature = "std")]
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use backtrace::Backtrace;
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#[bench]
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#[cfg(feature = "std")]
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fn trace(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function() {
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backtrace::trace(|frame| {
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let ip = frame.ip();
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test::black_box(ip);
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true
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});
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}
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b.iter(the_function);
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}
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#[bench]
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#[cfg(feature = "std")]
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fn trace_and_resolve_callback(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function() {
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backtrace::trace(|frame| {
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backtrace::resolve(frame.ip(), |symbol| {
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let addr = symbol.addr();
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test::black_box(addr);
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});
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true
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});
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}
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b.iter(the_function);
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}
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#[bench]
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#[cfg(feature = "std")]
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fn trace_and_resolve_separate(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function(frames: &mut Vec<*mut std::ffi::c_void>) {
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backtrace::trace(|frame| {
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frames.push(frame.ip());
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true
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});
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frames.iter().for_each(|frame_ip| {
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backtrace::resolve(*frame_ip, |symbol| {
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test::black_box(symbol);
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});
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});
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}
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let mut frames = Vec::with_capacity(1024);
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b.iter(|| {
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the_function(&mut frames);
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frames.clear();
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});
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}
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#[bench]
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#[cfg(feature = "std")]
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fn new_unresolved(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function() {
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let bt = Backtrace::new_unresolved();
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test::black_box(bt);
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}
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b.iter(the_function);
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}
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#[bench]
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#[cfg(feature = "std")]
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fn new(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function() {
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let bt = Backtrace::new();
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test::black_box(bt);
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}
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b.iter(the_function);
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}
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#[bench]
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#[cfg(feature = "std")]
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fn new_unresolved_and_resolve_separate(b: &mut test::Bencher) {
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#[inline(never)]
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fn the_function() {
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let mut bt = Backtrace::new_unresolved();
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bt.resolve();
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test::black_box(bt);
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}
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b.iter(the_function);
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}
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