Mercurial > hg > truffle
view src/share/vm/runtime/memprofiler.cpp @ 1483:ba37b9335e1e
New option "-graal" that sets up the correct boot class path and C1X options using only the two environment variables MAXINE and GRAAL.
This greatly simplifies command line arguments necessary to start the Graal VM.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Mon, 29 Nov 2010 16:58:26 +0100 |
parents | 0fbdb4381b99 |
children | f03d0a26bf83 |
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/* * Copyright 1998-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_memprofiler.cpp.incl" #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) { fatal1("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