mirror of
https://github.com/openjdk/jdk.git
synced 2026-03-01 11:40:33 +00:00
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2013, 2021, 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 "precompiled.hpp"
|
|
#include "compiler/compiler_globals.hpp"
|
|
#include "memory/metaspaceClosure.hpp"
|
|
#include "oops/method.hpp"
|
|
#include "oops/methodCounters.hpp"
|
|
#include "runtime/handles.inline.hpp"
|
|
|
|
MethodCounters::MethodCounters(const methodHandle& mh) :
|
|
#if INCLUDE_AOT
|
|
_method(mh()),
|
|
#endif
|
|
_prev_time(0),
|
|
_rate(0),
|
|
_nmethod_age(INT_MAX),
|
|
_highest_comp_level(0),
|
|
_highest_osr_comp_level(0)
|
|
{
|
|
set_interpreter_throwout_count(0);
|
|
JVMTI_ONLY(clear_number_of_breakpoints());
|
|
invocation_counter()->init();
|
|
backedge_counter()->init();
|
|
|
|
if (StressCodeAging) {
|
|
set_nmethod_age(HotMethodDetectionLimit);
|
|
}
|
|
|
|
// Set per-method thresholds.
|
|
double scale = 1.0;
|
|
CompilerOracle::has_option_value(mh, CompileCommand::CompileThresholdScaling, scale);
|
|
|
|
_invoke_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0InvokeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
|
|
_backedge_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0BackedgeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
|
|
}
|
|
|
|
MethodCounters* MethodCounters::allocate(const methodHandle& mh, TRAPS) {
|
|
ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
|
|
return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType, THREAD) MethodCounters(mh);
|
|
}
|
|
|
|
void MethodCounters::clear_counters() {
|
|
invocation_counter()->reset();
|
|
backedge_counter()->reset();
|
|
set_interpreter_throwout_count(0);
|
|
set_nmethod_age(INT_MAX);
|
|
set_prev_time(0);
|
|
set_prev_event_count(0);
|
|
set_rate(0);
|
|
set_highest_comp_level(0);
|
|
set_highest_osr_comp_level(0);
|
|
}
|
|
|
|
void MethodCounters::metaspace_pointers_do(MetaspaceClosure* it) {
|
|
log_trace(cds)("Iter(MethodCounters): %p", this);
|
|
#if INCLUDE_AOT
|
|
it->push(&_method);
|
|
#endif
|
|
}
|
|
|
|
void MethodCounters::print_value_on(outputStream* st) const {
|
|
assert(is_methodCounters(), "must be methodCounters");
|
|
st->print("method counters");
|
|
print_address_on(st);
|
|
}
|
|
|
|
|