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/*
* 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 "oops/method.hpp"
#include "oops/methodCounters.hpp"
#include "runtime/handles.inline.hpp"
MethodCounters::MethodCounters(const methodHandle& mh) :
_prev_time(0),
_rate(0),
_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();
// 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_no_exception(const methodHandle& mh) {
ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType) MethodCounters(mh);
}
MethodCounters* MethodCounters::allocate_with_exception(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_prev_time(0);
set_prev_event_count(0);
set_rate(0);
set_highest_comp_level(0);
set_highest_osr_comp_level(0);
}
void MethodCounters::print_value_on(outputStream* st) const {
assert(is_methodCounters(), "must be methodCounters");
st->print("method counters");
print_address_on(st);
}
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