Wed, 09 Oct 2019 16:11:58 +0800
8214542: JFR: Old Object Sample event slow on a deep heap in debug builds
Reviewed-by: egahlin, rwestberg
1 /*
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25 #ifndef SHARE_VM_JFR_LEAKPROFILER_LEAKPROFILER_HPP
26 #define SHARE_VM_JFR_LEAKPROFILER_LEAKPROFILER_HPP
28 #include "memory/allocation.hpp"
30 class BoolObjectClosure;
31 class OopClosure;
33 class LeakProfiler : public AllStatic {
34 public:
35 static bool start(int sample_count);
36 static bool stop();
37 static bool is_running();
39 static void emit_events(int64_t cutoff_ticks, bool emit_all);
40 static void sample(HeapWord* object, size_t size, JavaThread* thread);
42 // Called by GC
43 static void oops_do(BoolObjectClosure* is_alive, OopClosure* f);
44 };
46 #endif // SHARE_VM_JFR_LEAKPROFILER_LEAKPROFILER_HPP