mirror of
https://github.com/openjdk/jdk.git
synced 2026-04-21 12:20:29 +00:00
56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2022 SAP SE. All rights reserved.
|
|
* Copyright (c) 2021, 2025, 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 "logging/log.hpp"
|
|
#include "runtime/os.inline.hpp"
|
|
#include "trimCHeapDCmd.hpp"
|
|
#include "utilities/debug.hpp"
|
|
#include "utilities/globalDefinitions.hpp"
|
|
#include "utilities/ostream.hpp"
|
|
|
|
#include <malloc.h>
|
|
|
|
void TrimCLibcHeapDCmd::execute(DCmdSource source, const JcmdOptions& commonOptions, TRAPS) {
|
|
if (os::can_trim_native_heap()) {
|
|
os::size_change_t sc;
|
|
if (os::trim_native_heap(&sc)) {
|
|
_output->print("Trim native heap: ");
|
|
if (sc.after != SIZE_MAX) {
|
|
const size_t delta = sc.after < sc.before ? (sc.before - sc.after) : (sc.after - sc.before);
|
|
const char sign = sc.after < sc.before ? '-' : '+';
|
|
_output->print_cr("RSS+Swap: " PROPERFMT "->" PROPERFMT " (%c" PROPERFMT ")",
|
|
PROPERFMTARGS(sc.before), PROPERFMTARGS(sc.after), sign, PROPERFMTARGS(delta));
|
|
// Also log if native trim log is active
|
|
log_info(trimnative)("Manual Trim: " PROPERFMT "->" PROPERFMT " (%c" PROPERFMT ")",
|
|
PROPERFMTARGS(sc.before), PROPERFMTARGS(sc.after), sign, PROPERFMTARGS(delta));
|
|
} else {
|
|
_output->print_cr("(no details available).");
|
|
}
|
|
}
|
|
} else {
|
|
_output->print_cr("Not available.");
|
|
}
|
|
}
|