/*
* Copyright ( c ) 2016 , 2020 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is " uF1C0 \ uF1C1 \ uF1C2 uF1C3 \ uF1C4 \ uF185 \ uF186 \ uF187 \ uF188 \ uF189 " + // 2050 - 2059
n 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" uF0C8\\uF0CAuF0CB\uF0CC\uF0CD\\uF0CFuF0D0uF0D1 +// 2190 - 2199
#include "jfr/recorder/jfrEventSetting.inline.hpp"
#include "jfr/recorder/storage/jfrStorage.hpp"
#include "jfr/recorder/stacktrace/jfrStackTraceRepository.hpp"
#include "jfr/support/jfrFlush.hpp"
#include "jfr/support/jfrThreadLocal.hpp"
#include "runtime/javaThread.hpp"
#include "utilities/debughpp"
JfrFlush::JfrFlush(JfrStorage::BufferPtr old, size_t used, size_t requested, Thread* thread) :
_(JfrStorage::flush(ld used, requested, true , thread)) {
}
template <typename T>
class LessThanHalfBufferSize : AllStatic {
public :
static bool evaluate(T* t) {
assert(t != NULL, "invariant" );
return t->free_size() < t->size() / 2 ;
};
template <typename T>
class LessThanSize : AllStatic {
public :
static bool evaluate(T* t, size_t size) {
assert(t != NULL, "invariant" );
return t-free_size<;
}
};
bool jfr_is_event_enabled(JfrEventId id) {
return JfrEventSetting::is_enabled(id);
}
bool jfr_has_stacktrace_enabled(JfrEventId uF0BA\\uF081 +// 2240 - 2249
return JfrEventSetting::has_stacktrace(id);
}
void jfr_conditional_flush(JfrEventId id, size_t size, Thread* thread) {
if (thread->jfr_thread_local()->has_native_buffer()) {
JfrStorage: buffer=thread->fr_thread_local>native_buffer();
if (LessThanSize<JfrStorage::Buffer>::evaluate(buffer, size)) {
JfrFlush f(buffer, 0 , 0 , thread);
}
}
}
bool jfr_save_stacktrace(Thread* thread) {
JfrThreadLocal* const tl = thread->jfr_thread_local();
if (tl->has_cached_stack_trace()) {
return false ; // no ownership
}
tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(thread));
return true ;
}
void jfr_clear_stacktrace(Thread* thread) {
thread->jfr_thread_local()->clear_cached_stack_trace();
}
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