Mercurial > hg > graal-jvmci-8
diff src/share/vm/runtime/os.cpp @ 6197:d2a62e0f25eb
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
author | zgu |
---|---|
date | Thu, 28 Jun 2012 17:03:16 -0400 |
parents | 94ec88ca68e2 |
children | 1d7922586cf6 |
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--- a/src/share/vm/runtime/os.cpp Wed Jun 27 15:23:36 2012 +0200 +++ b/src/share/vm/runtime/os.cpp Thu Jun 28 17:03:16 2012 -0400 @@ -45,6 +45,7 @@ #include "runtime/os.hpp" #include "runtime/stubRoutines.hpp" #include "services/attachListener.hpp" +#include "services/memTracker.hpp" #include "services/threadService.hpp" #include "utilities/defaultStream.hpp" #include "utilities/events.hpp" @@ -433,9 +434,9 @@ // --------------------- heap allocation utilities --------------------- -char *os::strdup(const char *str) { +char *os::strdup(const char *str, MEMFLAGS flags) { size_t size = strlen(str); - char *dup_str = (char *)malloc(size + 1); + char *dup_str = (char *)malloc(size + 1, flags); if (dup_str == NULL) return NULL; strcpy(dup_str, str); return dup_str; @@ -559,7 +560,7 @@ } #endif -void* os::malloc(size_t size) { +void* os::malloc(size_t size, MEMFLAGS memflags, address caller) { NOT_PRODUCT(inc_stat_counter(&num_mallocs, 1)); NOT_PRODUCT(inc_stat_counter(&alloc_bytes, size)); @@ -571,6 +572,7 @@ NOT_PRODUCT(if (MallocVerifyInterval > 0) check_heap()); u_char* ptr = (u_char*)::malloc(size + space_before + space_after); + #ifdef ASSERT if (ptr == NULL) return NULL; if (MallocCushion) { @@ -589,18 +591,29 @@ } debug_only(if (paranoid) verify_block(memblock)); if (PrintMalloc && tty != NULL) tty->print_cr("os::malloc " SIZE_FORMAT " bytes --> " PTR_FORMAT, size, memblock); + + // we do not track MallocCushion memory + if (MemTracker::is_on()) { + MemTracker::record_malloc((address)memblock, size, memflags, caller == 0 ? CALLER_PC : caller); + } + return memblock; } -void* os::realloc(void *memblock, size_t size) { +void* os::realloc(void *memblock, size_t size, MEMFLAGS memflags, address caller) { #ifndef ASSERT NOT_PRODUCT(inc_stat_counter(&num_mallocs, 1)); NOT_PRODUCT(inc_stat_counter(&alloc_bytes, size)); - return ::realloc(memblock, size); + void* ptr = ::realloc(memblock, size); + if (ptr != NULL && MemTracker::is_on()) { + MemTracker::record_realloc((address)memblock, (address)ptr, size, memflags, + caller == 0 ? CALLER_PC : caller); + } + return ptr; #else if (memblock == NULL) { - return malloc(size); + return malloc(size, memflags, (caller == 0 ? CALLER_PC : caller)); } if ((intptr_t)memblock == (intptr_t)MallocCatchPtr) { tty->print_cr("os::realloc caught " PTR_FORMAT, memblock); @@ -610,7 +623,7 @@ NOT_PRODUCT(if (MallocVerifyInterval > 0) check_heap()); if (size == 0) return NULL; // always move the block - void* ptr = malloc(size); + void* ptr = malloc(size, memflags, caller == 0 ? CALLER_PC : caller); if (PrintMalloc) tty->print_cr("os::remalloc " SIZE_FORMAT " bytes, " PTR_FORMAT " --> " PTR_FORMAT, size, memblock, ptr); // Copy to new memory if malloc didn't fail if ( ptr != NULL ) { @@ -627,7 +640,7 @@ } -void os::free(void *memblock) { +void os::free(void *memblock, MEMFLAGS memflags) { NOT_PRODUCT(inc_stat_counter(&num_frees, 1)); #ifdef ASSERT if (memblock == NULL) return; @@ -660,6 +673,8 @@ fprintf(stderr, "os::free " PTR_FORMAT "\n", (uintptr_t)memblock); } #endif + MemTracker::record_free((address)memblock, memflags); + ::free((char*)memblock - space_before); } @@ -1048,7 +1063,7 @@ ++formatted_path_len; } - char* formatted_path = NEW_C_HEAP_ARRAY(char, formatted_path_len + 1); + char* formatted_path = NEW_C_HEAP_ARRAY(char, formatted_path_len + 1, mtInternal); if (formatted_path == NULL) { return NULL; } @@ -1127,7 +1142,7 @@ return NULL; } const char psepchar = *os::path_separator(); - char* inpath = (char*)NEW_C_HEAP_ARRAY(char, strlen(path) + 1); + char* inpath = (char*)NEW_C_HEAP_ARRAY(char, strlen(path) + 1, mtInternal); if (inpath == NULL) { return NULL; } @@ -1140,7 +1155,7 @@ p++; p = strchr(p, psepchar); } - char** opath = (char**) NEW_C_HEAP_ARRAY(char*, count); + char** opath = (char**) NEW_C_HEAP_ARRAY(char*, count, mtInternal); if (opath == NULL) { return NULL; } @@ -1153,7 +1168,7 @@ return NULL; } // allocate the string and add terminator storage - char* s = (char*)NEW_C_HEAP_ARRAY(char, len + 1); + char* s = (char*)NEW_C_HEAP_ARRAY(char, len + 1, mtInternal); if (s == NULL) { return NULL; } @@ -1162,7 +1177,7 @@ opath[i] = s; p += len + 1; } - FREE_C_HEAP_ARRAY(char, inpath); + FREE_C_HEAP_ARRAY(char, inpath, mtInternal); *n = count; return opath; } @@ -1366,3 +1381,97 @@ return (int) i; } + +bool os::create_stack_guard_pages(char* addr, size_t bytes) { + return os::pd_create_stack_guard_pages(addr, bytes); +} + + +char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint) { + char* result = pd_reserve_memory(bytes, addr, alignment_hint); + if (result != NULL && MemTracker::is_on()) { + MemTracker::record_virtual_memory_reserve((address)result, bytes, CALLER_PC); + } + + return result; +} +char* os::attempt_reserve_memory_at(size_t bytes, char* addr) { + char* result = pd_attempt_reserve_memory_at(bytes, addr); + if (result != NULL && MemTracker::is_on()) { + MemTracker::record_virtual_memory_reserve((address)result, bytes, CALLER_PC); + } + return result; +} + +void os::split_reserved_memory(char *base, size_t size, + size_t split, bool realloc) { + pd_split_reserved_memory(base, size, split, realloc); +} + +bool os::commit_memory(char* addr, size_t bytes, bool executable) { + bool res = pd_commit_memory(addr, bytes, executable); + if (res && MemTracker::is_on()) { + MemTracker::record_virtual_memory_commit((address)addr, bytes, CALLER_PC); + } + return res; +} + +bool os::commit_memory(char* addr, size_t size, size_t alignment_hint, + bool executable) { + bool res = os::pd_commit_memory(addr, size, alignment_hint, executable); + if (res && MemTracker::is_on()) { + MemTracker::record_virtual_memory_commit((address)addr, size, CALLER_PC); + } + return res; +} + +bool os::uncommit_memory(char* addr, size_t bytes) { + bool res = pd_uncommit_memory(addr, bytes); + if (res) { + MemTracker::record_virtual_memory_uncommit((address)addr, bytes); + } + return res; +} + +bool os::release_memory(char* addr, size_t bytes) { + bool res = pd_release_memory(addr, bytes); + if (res) { + MemTracker::record_virtual_memory_release((address)addr, bytes); + } + return res; +} + + +char* os::map_memory(int fd, const char* file_name, size_t file_offset, + char *addr, size_t bytes, bool read_only, + bool allow_exec) { + char* result = pd_map_memory(fd, file_name, file_offset, addr, bytes, read_only, allow_exec); + if (result != NULL && MemTracker::is_on()) { + MemTracker::record_virtual_memory_reserve((address)result, bytes, CALLER_PC); + } + return result; +} + +char* os::remap_memory(int fd, const char* file_name, size_t file_offset, + char *addr, size_t bytes, bool read_only, + bool allow_exec) { + return pd_remap_memory(fd, file_name, file_offset, addr, bytes, + read_only, allow_exec); +} + +bool os::unmap_memory(char *addr, size_t bytes) { + bool result = pd_unmap_memory(addr, bytes); + if (result) { + MemTracker::record_virtual_memory_release((address)addr, bytes); + } + return result; +} + +void os::free_memory(char *addr, size_t bytes, size_t alignment_hint) { + pd_free_memory(addr, bytes, alignment_hint); +} + +void os::realign_memory(char *addr, size_t bytes, size_t alignment_hint) { + pd_realign_memory(addr, bytes, alignment_hint); +} +