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fix(perf): use Mach API for macOS host CPU ticks (#931)

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* fix(perf): use Mach host_processor_info for macOS CPU ticks

KERN_CP_TIME and CPUSTATES are not exposed by libc on Darwin; switch
read_host_total_cpu_ticks to host_processor_info so aarch64-apple-darwin CI builds succeed.

* docs: CHANGELOG and credits for macOS perf CI fix (PR #931)

* Revert "docs: CHANGELOG and credits for macOS perf CI fix (PR #931)"

This reverts commit a217217c34.

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.com>
This commit is contained in:
cucadmuh
2026-05-31 01:12:18 +03:00
committed by GitHub
parent 2a88ca3248
commit ea63b35396
1 changed files with 25 additions and 16 deletions
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src-tauri/src/lib_commands/app_api/perf.rs
+25 -16
View File
@@ -6,7 +6,7 @@ use serde::Serialize;
#[cfg(target_os = "linux")]
use std::collections::HashMap;
#[cfg(any(target_os = "linux", target_os = "macos"))]
#[cfg(target_os = "linux")]
use std::sync::Mutex;
#[cfg(target_os = "linux")]
use std::fs;
@@ -369,24 +369,33 @@ mod macos {
}
fn read_host_total_cpu_ticks() -> u64 {
let mut mib = [libc::CTL_KERN, libc::KERN_CP_TIME];
let mut cp_time = [0_u64; libc::CPUSTATES as usize];
let mut size = mem::size_of_val(&cp_time);
let mut num_cpus: u32 = 0;
let mut cpu_info: *mut i32 = std::ptr::null_mut();
let mut num_cpu_info: u32 = 0;
let ok = unsafe {
libc::sysctl(
mib.as_mut_ptr(),
mib.len() as _,
cp_time.as_mut_ptr() as *mut _,
&mut size,
std::ptr::null_mut(),
0,
) == 0
libc::host_processor_info(
libc::mach_host_self(),
libc::PROCESSOR_CPU_LOAD_INFO,
&mut num_cpus,
&mut cpu_info,
&mut num_cpu_info,
) == libc::KERN_SUCCESS
};
if ok {
cp_time.iter().sum()
} else {
0
if !ok || cpu_info.is_null() {
return 0;
}
let total: u64 = unsafe {
std::slice::from_raw_parts(cpu_info, num_cpu_info as usize)
.iter()
.map(|&ticks| ticks as u64)
.sum()
};
unsafe {
let size = num_cpu_info as usize * mem::size_of::<i32>();
#[allow(deprecated)]
libc::vm_deallocate(libc::mach_task_self(), cpu_info as _, size);
}
total
}
fn refresh_target_processes(sys: &mut System, self_pid: Pid) -> Vec<Pid> {