Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/gc_implementation/shared/collectorCounters.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,80 @@
     1.4 +/*
     1.5 + * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// CollectorCounters is a holder class for performance counters
    1.29 +// that track a collector
    1.30 +
    1.31 +class CollectorCounters: public CHeapObj {
    1.32 +  friend class VMStructs;
    1.33 +
    1.34 +  private:
    1.35 +    PerfCounter*      _invocations;
    1.36 +    PerfCounter*      _time;
    1.37 +    PerfVariable*     _last_entry_time;
    1.38 +    PerfVariable*     _last_exit_time;
    1.39 +
    1.40 +    // Constant PerfData types don't need to retain a reference.
    1.41 +    // However, it's a good idea to document them here.
    1.42 +    // PerfStringConstant*     _name;
    1.43 +
    1.44 +    char*             _name_space;
    1.45 +
    1.46 +  public:
    1.47 +
    1.48 +    CollectorCounters(const char* name, int ordinal);
    1.49 +
    1.50 +    ~CollectorCounters() {
    1.51 +      if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
    1.52 +    }
    1.53 +
    1.54 +    inline PerfCounter* invocation_counter() const  { return _invocations; }
    1.55 +
    1.56 +    inline PerfCounter* time_counter() const        { return _time; }
    1.57 +
    1.58 +    inline PerfVariable* last_entry_counter() const { return _last_entry_time; }
    1.59 +
    1.60 +    inline PerfVariable* last_exit_counter() const  { return _last_exit_time; }
    1.61 +
    1.62 +    const char* name_space() const                  { return _name_space; }
    1.63 +};
    1.64 +
    1.65 +class TraceCollectorStats: public PerfTraceTimedEvent {
    1.66 +
    1.67 +  protected:
    1.68 +    CollectorCounters* _c;
    1.69 +
    1.70 +  public:
    1.71 +    inline TraceCollectorStats(CollectorCounters* c) :
    1.72 +           PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
    1.73 +           _c(c) {
    1.74 +
    1.75 +      if (UsePerfData) {
    1.76 +         _c->last_entry_counter()->set_value(os::elapsed_counter());
    1.77 +      }
    1.78 +    }
    1.79 +
    1.80 +    inline ~TraceCollectorStats() {
    1.81 +      if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
    1.82 +    }
    1.83 +};