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Avoid computation of log message arguments in syscall handler

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This commit is contained in:
LI Qing
2024-05-09 10:11:06 +08:00
committed by Tate, Hongliang Tian
parent da5873e990
commit 98a2e623e2
2 changed files with 10 additions and 8 deletions
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2
kernel/aster-nix/src/prelude.rs
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@ -19,7 +19,7 @@ pub(crate) use aster_frame::{
}; };
pub(crate) use bitflags::bitflags; pub(crate) use bitflags::bitflags;
pub(crate) use int_to_c_enum::TryFromInt; pub(crate) use int_to_c_enum::TryFromInt;
pub(crate) use log::{debug, error, info, trace, warn}; pub(crate) use log::{debug, error, info, log_enabled, trace, warn};
pub(crate) use pod::Pod; pub(crate) use pod::Pod;
/// return current process /// return current process

16
kernel/aster-nix/src/syscall/mod.rs
View File

@ -568,12 +568,14 @@ pub fn syscall_dispatch(
#[macro_export] #[macro_export]
macro_rules! log_syscall_entry { macro_rules! log_syscall_entry {
($syscall_name: tt) => { ($syscall_name: tt) => {
let syscall_name_str = stringify!($syscall_name); if log_enabled!(log::Level::Info) {
let pid = $crate::current!().pid(); let syscall_name_str = stringify!($syscall_name);
let tid = $crate::current_thread!().tid(); let pid = $crate::current!().pid();
info!( let tid = $crate::current_thread!().tid();
"[pid={}][tid={}][id={}][{}]", info!(
pid, tid, $syscall_name, syscall_name_str "[pid={}][tid={}][id={}][{}]",
); pid, tid, $syscall_name, syscall_name_str
);
}
}; };
} }