Mercurial > hg > graal-compiler
view src/share/vm/runtime/memprofiler.cpp @ 5934:61b82be3b1ff
7152957: VM crashes with assert(false) failed: bad AD file
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com
author | never |
---|---|
date | Mon, 12 Mar 2012 15:28:07 -0700 |
parents | f08d439fab8c |
children | da91efe96a93 |
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/* * Copyright (c) 1998, 2010, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "classfile/systemDictionary.hpp" #include "code/codeCache.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "interpreter/oopMapCache.hpp" #include "memory/generation.hpp" #include "memory/permGen.hpp" #include "memory/resourceArea.hpp" #include "runtime/handles.inline.hpp" #include "runtime/jniHandles.hpp" #include "runtime/memprofiler.hpp" #include "runtime/mutexLocker.hpp" #include "runtime/os.hpp" #include "runtime/task.hpp" #include "runtime/vmThread.hpp" #ifdef TARGET_OS_FAMILY_linux # include "thread_linux.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "thread_solaris.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "thread_windows.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_bsd # include "thread_bsd.inline.hpp" #endif #ifndef PRODUCT // -------------------------------------------------------- // MemProfilerTask class MemProfilerTask : public PeriodicTask { public: MemProfilerTask(int interval_time) : PeriodicTask(interval_time) {} void task(); }; void MemProfilerTask::task() { // Get thread lock to provide mutual exclusion, and so we can iterate safely over the thread list. MutexLocker mu(Threads_lock); MemProfiler::do_trace(); } //---------------------------------------------------------- // Implementation of MemProfiler MemProfilerTask* MemProfiler::_task = NULL; FILE* MemProfiler::_log_fp = NULL; bool MemProfiler::is_active() { return _task != NULL; } void MemProfiler::engage() { const char *log_name = "mprofile.log"; if (!is_active()) { // Create log file _log_fp = fopen(log_name , "w+"); if (_log_fp == NULL) { fatal(err_msg("MemProfiler: Cannot create log file: %s", log_name)); } fprintf(_log_fp, "MemProfiler: sizes are in Kb, time is in seconds since startup\n\n"); fprintf(_log_fp, " time, #thr, #cls, heap, heap, perm, perm, code, hndls, rescs, oopmp\n"); fprintf(_log_fp, " used, total, used, total, total, total, total, total\n"); fprintf(_log_fp, "--------------------------------------------------------------------------\n"); _task = new MemProfilerTask(MemProfilingInterval); _task->enroll(); } } void MemProfiler::disengage() { if (!is_active()) return; // Do one last trace at disengage time do_trace(); // Close logfile fprintf(_log_fp, "MemProfiler detached\n"); fclose(_log_fp); // remove MemProfilerTask assert(_task != NULL, "sanity check"); _task->disenroll(); delete _task; _task = NULL; } void MemProfiler::do_trace() { // Calculate thread local sizes size_t handles_memory_usage = VMThread::vm_thread()->handle_area()->size_in_bytes(); size_t resource_memory_usage = VMThread::vm_thread()->resource_area()->size_in_bytes(); JavaThread *cur = Threads::first(); while (cur != NULL) { handles_memory_usage += cur->handle_area()->size_in_bytes(); resource_memory_usage += cur->resource_area()->size_in_bytes(); cur = cur->next(); } // Print trace line in log fprintf(_log_fp, "%6.1f,%5d,%5d," UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",", os::elapsedTime(), Threads::number_of_threads(), SystemDictionary::number_of_classes(), Universe::heap()->used() / K, Universe::heap()->capacity() / K, Universe::heap()->permanent_used() / HWperKB, Universe::heap()->permanent_capacity() / HWperKB); fprintf(_log_fp, UINTX_FORMAT_W(6) ",", CodeCache::capacity() / K); fprintf(_log_fp, UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",%6ld\n", handles_memory_usage / K, resource_memory_usage / K, OopMapCache::memory_usage() / K); fflush(_log_fp); } #endif