mirrors/Zag
1
0
Fork 0
mirror of https://github.com/rdmsr/zag.git synced 2026-10-31 23:38:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

rtl: add BitMap

Browse Source 
Adds a new BitMap type in rtl for static bitmaps, now used to back
ke.CpuMask.
This commit is contained in:
Loïc Grégoire
2026-05-08 14:58:57 -04:00
parent 5d8a9a4646
commit 3a701067cd
4 changed files with 88 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kern/sched.zig
+4 -4
View File
@@ -846,7 +846,7 @@ fn find_most_loaded(exclude: ?*ke.CpuMask) ?u32 {
for (0..ke.ncpus) |i| {
if (exclude) |mask| {
if (mask.is_set(i)) {
if (mask.get(i)) {
continue;
}
}
@@ -881,7 +881,7 @@ fn find_least_loaded(exclude: ?*ke.CpuMask) ?u32 {
for (0..ke.ncpus) |i| {
if (exclude) |mask| {
if (mask.is_set(i)) {
if (mask.get(i)) {
continue;
}
}
@@ -969,7 +969,7 @@ pub fn idle(_: ?*anyopaque) noreturn {
/// Called every second to balance work between CPUs on CPU0.
/// Takes a thread from the most loaded CPU and puts it on the least loaded one.
fn balance(_: ?*anyopaque) void {
var high_mask = ke.CpuMask.empty();
var high_mask = ke.CpuMask.init(false);
var low_mask: ke.CpuMask = undefined;
while (true) {
@@ -984,7 +984,7 @@ fn balance(_: ?*anyopaque) void {
high_mask.set(high.?);
low_mask = high_mask;
if (high_mask.is_full()) {
if (high_mask.is_all(true)) {
// All CPUs are masked, nothing to steal.
break;
}