1
2 /*
3 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
79 for(uint i=0; i<_time_stamp_index; i++) {
80 GCTaskTimeStamp* time_stamp = time_stamp_at(i);
81 tty->print_cr("\t[ %s " JLONG_FORMAT " " JLONG_FORMAT " ]",
82 time_stamp->name(),
83 time_stamp->entry_time(),
84 time_stamp->exit_time());
85 }
86
87 // Reset after dumping the data
88 _time_stamp_index = 0;
89 }
90
91 // GC workers get tasks from the GCTaskManager and execute
92 // them in this method. If there are no tasks to execute,
93 // the GC workers wait in the GCTaskManager's get_task()
94 // for tasks to be enqueued for execution.
95
96 void GCTaskThread::run() {
97 // Set up the thread for stack overflow support
98 this->record_stack_base_and_size();
99 this->initialize_thread_local_storage();
100 this->initialize_named_thread();
101 // Bind yourself to your processor.
102 if (processor_id() != GCTaskManager::sentinel_worker()) {
103 if (TraceGCTaskThread) {
104 tty->print_cr("GCTaskThread::run: "
105 " binding to processor %u", processor_id());
106 }
107 if (!os::bind_to_processor(processor_id())) {
108 DEBUG_ONLY(
109 warning("Couldn't bind GCTaskThread %u to processor %u",
110 which(), processor_id());
111 )
112 }
113 }
114 // Part of thread setup.
115 // ??? Are these set up once here to make subsequent ones fast?
116 HandleMark hm_outer;
117 ResourceMark rm_outer;
118
119 TimeStamp timer;
|
1 /*
2 * Copyright (c) 2002, 2015, 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
78 for(uint i=0; i<_time_stamp_index; i++) {
79 GCTaskTimeStamp* time_stamp = time_stamp_at(i);
80 tty->print_cr("\t[ %s " JLONG_FORMAT " " JLONG_FORMAT " ]",
81 time_stamp->name(),
82 time_stamp->entry_time(),
83 time_stamp->exit_time());
84 }
85
86 // Reset after dumping the data
87 _time_stamp_index = 0;
88 }
89
90 // GC workers get tasks from the GCTaskManager and execute
91 // them in this method. If there are no tasks to execute,
92 // the GC workers wait in the GCTaskManager's get_task()
93 // for tasks to be enqueued for execution.
94
95 void GCTaskThread::run() {
96 // Set up the thread for stack overflow support
97 this->record_stack_base_and_size();
98 this->initialize_named_thread();
99 // Bind yourself to your processor.
100 if (processor_id() != GCTaskManager::sentinel_worker()) {
101 if (TraceGCTaskThread) {
102 tty->print_cr("GCTaskThread::run: "
103 " binding to processor %u", processor_id());
104 }
105 if (!os::bind_to_processor(processor_id())) {
106 DEBUG_ONLY(
107 warning("Couldn't bind GCTaskThread %u to processor %u",
108 which(), processor_id());
109 )
110 }
111 }
112 // Part of thread setup.
113 // ??? Are these set up once here to make subsequent ones fast?
114 HandleMark hm_outer;
115 ResourceMark rm_outer;
116
117 TimeStamp timer;
|