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Add a way to disable the GC timer (#5656)

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Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
This commit is contained in:
Jarred Sumner
2023-09-18 00:11:18 -07:00
committed by GitHub
parent 57e38e8312
commit 630bbfca91
2 changed files with 17 additions and 2 deletions
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12
src/bun.js/event_loop.zig
View File

@@ -455,6 +455,7 @@ pub const GarbageCollectionController = struct {
gc_repeating_timer: *uws.Timer = undefined,
gc_timer_interval: i32 = 0,
gc_repeating_timer_fast: bool = true,
disabled: bool = false,
pub fn init(this: *GarbageCollectionController, vm: *VirtualMachine) void {
var actual = vm.event_loop_handle.?;
@@ -469,8 +470,12 @@ pub const GarbageCollectionController = struct {
}
} else |_| {}
}
this.gc_repeating_timer.set(this, onGCRepeatingTimer, gc_timer_interval, gc_timer_interval);
this.gc_timer_interval = gc_timer_interval;
this.disabled = vm.bundler.env.has("BUN_GC_TIMER_DISABLE");
if (!this.disabled)
this.gc_repeating_timer.set(this, onGCRepeatingTimer, gc_timer_interval, gc_timer_interval);
}
pub fn scheduleGCTimer(this: *GarbageCollectionController) void {
@@ -484,6 +489,7 @@ pub const GarbageCollectionController = struct {
pub fn onGCTimer(timer: *uws.Timer) callconv(.C) void {
var this = timer.as(*GarbageCollectionController);
if (this.disabled) return;
this.gc_timer_state = .run_on_next_tick;
}
@@ -528,11 +534,12 @@ pub const GarbageCollectionController = struct {
}
pub fn processGCTimer(this: *GarbageCollectionController) void {
if (this.disabled) return;
var vm = this.bunVM().global.vm();
this.processGCTimerWithHeapSize(vm, vm.blockBytesAllocated());
}
pub fn processGCTimerWithHeapSize(this: *GarbageCollectionController, vm: *JSC.VM, this_heap_size: usize) void {
fn processGCTimerWithHeapSize(this: *GarbageCollectionController, vm: *JSC.VM, this_heap_size: usize) void {
const prev = this.gc_last_heap_size;
switch (this.gc_timer_state) {
@@ -568,6 +575,7 @@ pub const GarbageCollectionController = struct {
}
pub fn performGC(this: *GarbageCollectionController) void {
if (this.disabled) return;
var vm = this.bunVM().global.vm();
vm.collectAsync();
this.gc_last_heap_size = vm.blockBytesAllocated();

7
src/env_loader.zig
View File

@@ -37,6 +37,13 @@ pub const Loader = struct {
const empty_string_value: string = "\"\"";
pub fn has(this: *const Loader, input: []const u8) bool {
const value = this.map.get(input) orelse return false;
if (value.len == 0) return false;
return !strings.eqlComptime(value, "\"\"") and !strings.eqlComptime(value, "''") and !strings.eqlComptime(value, "0") and !strings.eqlComptime(value, "false");
}
pub fn isProduction(this: *const Loader) bool {
const env = this.map.get("BUN_ENV") orelse this.map.get("NODE_ENV") orelse return false;
return strings.eqlComptime(env, "production");