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feat(mm): add slab usage calculation (#768)

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* Add slab free space calculation and add it to freeram of sysinfo
This commit is contained in:
laokengwt
2024-04-29 23:03:33 +08:00
committed by GitHub
parent bde4a334c1
commit 7401bec5e3
4 changed files with 82 additions and 12 deletions
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5
kernel/src/syscall/misc.rs
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@ -1,7 +1,7 @@
use crate::{
arch::{mm::LockedFrameAllocator, rand::rand},
libs::rand::GRandFlags,
mm::allocator::page_frame::FrameAllocator,
mm::allocator::{page_frame::FrameAllocator, slab::slab_usage},
};
use alloc::vec::Vec;
use core::cmp;
@ -38,10 +38,11 @@ impl Syscall {
let mut sysinfo = SysInfo::default();
let mem = unsafe { LockedFrameAllocator.usage() };
let slab_usage = unsafe { slab_usage() };
sysinfo.uptime = 0;
sysinfo.loads = [0; 3];
sysinfo.totalram = mem.total().bytes() as u64;
sysinfo.freeram = mem.free().bytes() as u64;
sysinfo.freeram = mem.free().bytes() as u64 + slab_usage.free();
sysinfo.sharedram = 0;
sysinfo.bufferram = 0;
sysinfo.totalswap = 0;