jdk8-mips64-public/hotspot: src/share/vm/runtime/memprofiler.cpp@f08d439fab8c (annotated)

src/share/vm/runtime/memprofiler.cpp@f08d439fab8c (annotated)

src/share/vm/runtime/memprofiler.cpp

Sun, 25 Sep 2011 16:03:29 -0700

author: never
date: Sun, 25 Sep 2011 16:03:29 -0700
changeset 3156: f08d439fab8c
parent 2314: f95d63e2154a
child 4037: da91efe96a93
permissions: -rw-r--r--

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

 /*
  * 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

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/runtime/memprofiler.cpp@f08d439fab8c (annotated)

src/share/vm/runtime/memprofiler.cpp