1 /*
2 * Copyright (c) 2002, 2019, 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 */
24
25 #include "precompiled.hpp"
26 #include "gc/shared/collectorCounters.hpp"
27 #include "memory/allocation.inline.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "runtime/os.hpp"
30
31 CollectorCounters::CollectorCounters(const char* name, int ordinal) {
32
33 if (UsePerfData) {
34 EXCEPTION_MARK;
35 ResourceMark rm;
36
37 const char* cns = PerfDataManager::name_space("collector", ordinal);
38
39 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
40 strcpy(_name_space, cns);
41
42 char* cname = PerfDataManager::counter_name(_name_space, "name");
43 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
44
45 cname = PerfDataManager::counter_name(_name_space, "invocations");
46 _invocations = PerfDataManager::create_counter(SUN_GC, cname,
47 PerfData::U_Events, CHECK);
48
49 cname = PerfDataManager::counter_name(_name_space, "time");
50 _time = PerfDataManager::create_counter(SUN_GC, cname, PerfData::U_Ticks,
51 CHECK);
52
53 cname = PerfDataManager::counter_name(_name_space, "lastEntryTime");
54 _last_entry_time = PerfDataManager::create_variable(SUN_GC, cname,
55 PerfData::U_Ticks,
56 CHECK);
57
58 cname = PerfDataManager::counter_name(_name_space, "lastExitTime");
59 _last_exit_time = PerfDataManager::create_variable(SUN_GC, cname,
60 PerfData::U_Ticks,
61 CHECK);
62 }
63 }
64
65 CollectorCounters::~CollectorCounters() {
66 FREE_C_HEAP_ARRAY(char, _name_space);
67 }
68
69 TraceCollectorStats::TraceCollectorStats(CollectorCounters* c) :
70 PerfTraceElapsedTimeEvent(c->time_counter(), c->invocation_counter()),
71 _c(c) {
72
73 if (UsePerfData) {
74 _c->last_entry_counter()->set_value(os::elapsed_counter());
75 }
76 }
77
78 TraceCollectorStats::~TraceCollectorStats() {
79 if (UsePerfData) {
80 _c->last_exit_counter()->set_value(os::elapsed_counter());
81 }
82 }