8010319: Implementation of JEP 181: Nest-Based Access Control
Reviewed-by: alanb, psandoz, mchung, coleenp, acorn, mcimadamore, forax, jlahoda, sspitsyn, abuckley
Contributed-by: alex.buckley@oracle.com, maurizio.mimadamore@oracle.com, mandy.chung@oracle.com, tobias.hartmann@oracle.com, david.holmes@oracle.com, vladimir.x.ivanov@oracle.com, karen.kinnear@oracle.com, vladimir.kozlov@oracle.com, john.r.rose@oracle.com, daniel.smith@oracle.com, serguei.spitsyn@oracle.com, kumardotsrinivasan@gmail.com, boris.ulasevich@bell-sw.com
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
#define SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
#include "jfr/recorder/jfrRecorder.hpp"
#include "jfr/leakprofiler/leakProfiler.hpp"
#include "jfr/leakprofiler/sampling/objectSampler.hpp"
#include "jfr/recorder/service/jfrOptionSet.hpp"
#include "logging/log.hpp"
#include "runtime/vm_operations.hpp"
// Safepoint operation for starting leak profiler object sampler
class StartOperation : public VM_Operation {
private:
jlong _sample_count;
public:
StartOperation(jlong sample_count) :
_sample_count(sample_count) {
}
Mode evaluation_mode() const {
return _safepoint;
}
VMOp_Type type() const {
return VMOp_GC_HeapInspection;
}
virtual void doit() {
assert(!LeakProfiler::is_running(), "invariant");
jint queue_size = JfrOptionSet::old_object_queue_size();
LeakProfiler::set_object_sampler(new ObjectSampler(queue_size));
log_trace(jfr, system)( "Object sampling started");
}
};
#endif // SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP