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[Zion] Cleanup memory debug statistics slightly.

This commit is contained in:
Drew Galbraith 2023-11-15 13:10:53 -08:00
parent 10d16e129f
commit 92d8a02291
2 changed files with 21 additions and 32 deletions
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33
zion/memory/kernel_heap.cpp
View File

@ -3,7 +3,7 @@
#include "debug/debug.h"
#include "memory/paging_util.h"
#define K_HEAP_DEBUG 1
#define K_HEAP_DEBUG 0
namespace {
@ -104,11 +104,6 @@ void KernelHeap::DumpDebugDataInternal() {
dbgln("");
dbgln("Heap Debug Statistics!");
dbgln("Pages used: {}",
(next_addr_ - kKernelBuddyHeapStart - 1) / 0x1000 + 1);
// Active Allocs.
dbgln("Active Allocations: {}", alloc_count_);
dbgln("Slab Statistics:");
dbgln("Slab 8: {} slabs, {} allocs", slab_8_.SlabCount(),
slab_8_.Allocations());
@ -123,25 +118,25 @@ void KernelHeap::DumpDebugDataInternal() {
dbgln("");
dbgln("Size Distributions of non slab-allocated.");
dbgln("<=8B: {}", distributions[0]);
dbgln("<=16B: {}", distributions[1]);
dbgln("<=32B: {}", distributions[2]);
dbgln("<=64B: {}", distributions[3]);
dbgln("<=128B: {}", distributions[4]);
dbgln("<=256B: {}", distributions[5]);
dbgln("<=512B: {}", distributions[6]);
dbgln("<=1KiB: {}", distributions[7]);
dbgln("<=2KiB: {}", distributions[8]);
dbgln("<=4KiB: {}", distributions[9]);
dbgln("> 4KiB: {}", distributions[10]);
dbgln("Pages used: {}",
(next_addr_ - kKernelBuddyHeapStart - 1) / 0x1000 + 1);
// Active Allocs.
dbgln("Active Allocations: {}", alloc_count_);
dbgln("<=256B: {}", distributions[0]);
dbgln("<=512B: {}", distributions[1]);
dbgln("<=1KiB: {}", distributions[2]);
dbgln("<=2KiB: {}", distributions[3]);
dbgln("<=4KiB: {}", distributions[4]);
dbgln("> 4KiB: {}", distributions[5]);
dbgln("");
}
void KernelHeap::RecordSize(uint64_t size) {
size -= 1;
size >>= 3;
size >>= 8;
uint64_t index = 0;
while (size && index < 11) {
while (size && index < 5) {
size >>= 1;
index++;
}

20
zion/memory/kernel_heap.h
View File

@ -29,19 +29,13 @@ class KernelHeap {
SlabAllocator slab_64_{64};
SlabAllocator slab_128_{128};
// Distribution collection for the purpose of investigating a slab allocator.
// 0: 0-8B
// 1: 8B-16B
// 2: 16B-32B
// 3: 32B-64B
// 4: 64B-128B
// 5: 128B-256B
// 6: 256B-512B
// 7: 512B-1KiB
// 8: 1KiB-2KiB
// 9: 2KiB-4KiB
// 10: 4KiB+
uint64_t distributions[11];
// 0: 128B-256B
// 1: 256B-512B
// 2: 512B-1KiB
// 3: 1KiB-2KiB
// 4: 2KiB-4KiB
// 5: 4KiB+
uint64_t distributions[6];
void RecordSize(uint64_t size);