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malloc_debug: Impl. heap_debug_dump_allocations in guarded heap.

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This commit is contained in:
Michael Lotz 2015-04-10 16:42:29 +02:00
parent 158e20e60e
commit 607ac916de
1 changed files with 43 additions and 0 deletions
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43
src/system/libroot/posix/malloc_debug/guarded_heap.cpp
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@ -902,6 +902,48 @@ dump_guarded_heap(guarded_heap& heap)
}
static void
dump_allocations(guarded_heap& heap, bool statsOnly, thread_id thread)
{
WriteLocker heapLocker(heap.lock);
size_t allocationCount = 0;
size_t allocationSize = 0;
for (guarded_heap_area* area = heap.areas; area != NULL;
area = area->next) {
MutexLocker areaLocker(area->lock);
for (size_t i = 0; i < area->page_count; i++) {
guarded_heap_page& page = area->pages[i];
if ((page.flags & GUARDED_HEAP_PAGE_FLAG_FIRST) == 0
|| (page.flags & GUARDED_HEAP_PAGE_FLAG_DEAD) != 0) {
continue;
}
if (thread >= 0 && thread != page.thread)
continue;
allocationCount++;
allocationSize += page.allocation_size;
if (statsOnly)
continue;
printf("allocation: base: %p; size: %" B_PRIuSIZE
"; thread: %" B_PRId32 "; alignment: %" B_PRIuSIZE "\n",
page.allocation_base, page.allocation_size, page.thread,
page.alignment);
guarded_heap_print_stack_trace(page.stack_trace,
page.alloc_stack_trace_depth);
}
}
printf("total allocations: %" B_PRIuSIZE ", %" B_PRIuSIZE " bytes\n",
allocationCount, allocationSize);
}
// #pragma mark - Heap Debug API
@ -961,6 +1003,7 @@ heap_debug_validate_walls()
extern "C" void
heap_debug_dump_allocations(bool statsOnly, thread_id thread)
{
dump_allocations(sGuardedHeap, statsOnly, thread);
}