jdk8-mips64-public/hotspot: src/share/vm/runtime/memprofiler.cpp@bf6481e5f96d

7061225: os::print_cpu_info() should support os-specific data
Reviewed-by: dholmes, never, jwilhelm, kvn

     1 /*

     2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "code/codeCache.hpp"

    28 #include "gc_interface/collectedHeap.inline.hpp"

    29 #include "interpreter/oopMapCache.hpp"

    30 #include "memory/generation.hpp"

    31 #include "memory/permGen.hpp"

    32 #include "memory/resourceArea.hpp"

    33 #include "runtime/handles.inline.hpp"

    34 #include "runtime/jniHandles.hpp"

    35 #include "runtime/memprofiler.hpp"

    36 #include "runtime/mutexLocker.hpp"

    37 #include "runtime/os.hpp"

    38 #include "runtime/task.hpp"

    39 #include "runtime/vmThread.hpp"

    40 #ifdef TARGET_OS_FAMILY_linux

    41 # include "thread_linux.inline.hpp"

    42 #endif

    43 #ifdef TARGET_OS_FAMILY_solaris

    44 # include "thread_solaris.inline.hpp"

    45 #endif

    46 #ifdef TARGET_OS_FAMILY_windows

    47 # include "thread_windows.inline.hpp"

    48 #endif

    50 #ifndef PRODUCT

    52 // --------------------------------------------------------

    53 // MemProfilerTask

    55 class MemProfilerTask : public PeriodicTask {

    56  public:

    57   MemProfilerTask(int interval_time) : PeriodicTask(interval_time) {}

    58   void task();

    59 };

    62 void MemProfilerTask::task() {

    63   // Get thread lock to provide mutual exclusion, and so we can iterate safely over the thread list.

    64   MutexLocker mu(Threads_lock);

    65   MemProfiler::do_trace();

    66 }

    69 //----------------------------------------------------------

    70 // Implementation of MemProfiler

    72 MemProfilerTask* MemProfiler::_task   = NULL;

    73 FILE*            MemProfiler::_log_fp = NULL;

    76 bool MemProfiler::is_active() {

    77   return _task != NULL;

    78 }

    81 void MemProfiler::engage() {

    82   const char *log_name = "mprofile.log";

    83   if (!is_active()) {

    84     // Create log file

    85     _log_fp = fopen(log_name , "w+");

    86     if (_log_fp == NULL) {

    87       fatal(err_msg("MemProfiler: Cannot create log file: %s", log_name));

    88     }

    89     fprintf(_log_fp, "MemProfiler: sizes are in Kb, time is in seconds since startup\n\n");

    90     fprintf(_log_fp, "  time, #thr, #cls,  heap,  heap,  perm,  perm,  code, hndls, rescs, oopmp\n");

    91     fprintf(_log_fp, "                     used, total,  used, total, total, total, total, total\n");

    92     fprintf(_log_fp, "--------------------------------------------------------------------------\n");

    94     _task = new MemProfilerTask(MemProfilingInterval);

    95     _task->enroll();

    96   }

    97 }

   100 void MemProfiler::disengage() {

   101   if (!is_active()) return;

   102   // Do one last trace at disengage time

   103   do_trace();

   105   // Close logfile

   106   fprintf(_log_fp, "MemProfiler detached\n");

   107   fclose(_log_fp);

   109   // remove MemProfilerTask

   110   assert(_task != NULL, "sanity check");

   111   _task->disenroll();

   112   delete _task;

   113   _task = NULL;

   114 }

   117 void MemProfiler::do_trace() {

   118   // Calculate thread local sizes

   119   size_t handles_memory_usage    = VMThread::vm_thread()->handle_area()->size_in_bytes();

   120   size_t resource_memory_usage   = VMThread::vm_thread()->resource_area()->size_in_bytes();

   121   JavaThread *cur = Threads::first();

   122   while (cur != NULL) {

   123     handles_memory_usage  += cur->handle_area()->size_in_bytes();

   124     resource_memory_usage += cur->resource_area()->size_in_bytes();

   125     cur = cur->next();

   126   }

   128   // Print trace line in log

   129   fprintf(_log_fp, "%6.1f,%5d,%5d," UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ","

   130           UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",",

   131           os::elapsedTime(),

   132           Threads::number_of_threads(),

   133           SystemDictionary::number_of_classes(),

   134           Universe::heap()->used() / K,

   135           Universe::heap()->capacity() / K,

   136           Universe::heap()->permanent_used() / HWperKB,

   137           Universe::heap()->permanent_capacity() / HWperKB);

   139   fprintf(_log_fp, UINTX_FORMAT_W(6) ",", CodeCache::capacity() / K);

   141   fprintf(_log_fp, UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",%6ld\n",

   142           handles_memory_usage / K,

   143           resource_memory_usage / K,

   144           OopMapCache::memory_usage() / K);

   145   fflush(_log_fp);

   146 }

   148 #endif

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