archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 23:04:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7017124: Fix some VM stats to avoid 32-bit overflow

Browse source 
Added new method inc_stat_counter() to increment long statistic values and use atomic long load and store.

Reviewed-by: dholmes, jrose, phh, never
This commit is contained in:
Vladimir Kozlov 2011-02-07 10:34:39 -08:00
parent e7c3086ed3
commit b9633d42b4
10 changed files with 100 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

29
hotspot/src/share/vm/memory/allocation.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -157,7 +157,7 @@ ResourceObj::~ResourceObj() {
void trace_heap_malloc(size_t size, const char* name, void* p) {
// A lock is not needed here - tty uses a lock internally
tty->print_cr("Heap malloc " INTPTR_FORMAT " %7d %s", p, size, name == NULL ? "" : name);
tty->print_cr("Heap malloc " INTPTR_FORMAT " " SIZE_FORMAT " %s", p, size, name == NULL ? "" : name);
}
@ -573,22 +573,27 @@ void AllocatedObj::print_value_on(outputStream* st) const {
st->print("AllocatedObj(" INTPTR_FORMAT ")", this);
}
size_t Arena::_bytes_allocated = 0;
julong Arena::_bytes_allocated = 0;
void Arena::inc_bytes_allocated(size_t x) { inc_stat_counter(&_bytes_allocated, x); }
AllocStats::AllocStats() {
start_mallocs = os::num_mallocs;
start_frees = os::num_frees;
start_mallocs = os::num_mallocs;
start_frees = os::num_frees;
start_malloc_bytes = os::alloc_bytes;
start_res_bytes = Arena::_bytes_allocated;
start_mfree_bytes = os::free_bytes;
start_res_bytes = Arena::_bytes_allocated;
}
int AllocStats::num_mallocs() { return os::num_mallocs - start_mallocs; }
size_t AllocStats::alloc_bytes() { return os::alloc_bytes - start_malloc_bytes; }
size_t AllocStats::resource_bytes() { return Arena::_bytes_allocated - start_res_bytes; }
int AllocStats::num_frees() { return os::num_frees - start_frees; }
julong AllocStats::num_mallocs() { return os::num_mallocs - start_mallocs; }
julong AllocStats::alloc_bytes() { return os::alloc_bytes - start_malloc_bytes; }
julong AllocStats::num_frees() { return os::num_frees - start_frees; }
julong AllocStats::free_bytes() { return os::free_bytes - start_mfree_bytes; }
julong AllocStats::resource_bytes() { return Arena::_bytes_allocated - start_res_bytes; }
void AllocStats::print() {
tty->print("%d mallocs (%ldK), %d frees, %ldK resrc",
num_mallocs(), alloc_bytes()/K, num_frees(), resource_bytes()/K);
tty->print_cr(UINT64_FORMAT " mallocs (" UINT64_FORMAT "MB), "
UINT64_FORMAT" frees (" UINT64_FORMAT "MB), " UINT64_FORMAT "MB resrc",
num_mallocs(), alloc_bytes()/M, num_frees(), free_bytes()/M, resource_bytes()/M);
}