forked from M-Labs/libfringe
34 lines
697 B
Rust
34 lines
697 B
Rust
// This file is part of libfringe, a low-level green threading library.
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// Copyright (c) 2015, edef <edef@edef.eu>
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// See the LICENSE file included in this distribution.
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#![cfg(target_os = "linux")]
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#![feature(asm, test)]
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extern crate test;
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use test::Bencher;
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#[cfg(target_arch = "x86_64")]
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#[bench]
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fn kernel_swap(b: &mut Bencher) {
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b.iter(|| unsafe {
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asm!("movq $$102, %rax\n\
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syscall"
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:
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:
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: "rax", "rcx"
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: "volatile");
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});
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}
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#[cfg(target_arch = "x86")]
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#[bench]
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fn kernel_swap(b: &mut Bencher) {
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b.iter(|| unsafe {
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asm!("mov $$24, %eax\n\
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int $$0x80"
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:
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:
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: "eax"
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: "volatile");
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});
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}
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