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6830717: replay of compilations would help with debugging

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When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.

Reviewed-by: kvn, twisti, sspitsyn
This commit is contained in:
Yumin Qi 2012-11-12 14:03:53 -08:00 • committed by Yumin Qi
parent 8735609a8c
commit f712e12f98
54 changed files with 2160 additions and 78 deletions
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5
hotspot/src/share/vm/ci/ciMethod.hpp
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@ -51,6 +51,7 @@ class ciMethod : public ciMetadata {
friend class ciExceptionHandlerStream;
friend class ciBytecodeStream;
friend class ciMethodHandle;
friend class ciReplay;
private:
// General method information.
@ -69,6 +70,7 @@ class ciMethod : public ciMetadata {
int _handler_count;
int _interpreter_invocation_count;
int _interpreter_throwout_count;
int _instructions_size;
bool _uses_monitors;
bool _balanced_monitors;
@ -252,7 +254,6 @@ class ciMethod : public ciMetadata {
bool can_be_osr_compiled(int entry_bci);
void set_not_compilable();
bool has_compiled_code();
int instructions_size(int comp_level = CompLevel_any);
void log_nmethod_identity(xmlStream* log);
bool is_not_reached(int bci);
bool was_executed_more_than(int times);
@ -260,6 +261,7 @@ class ciMethod : public ciMetadata {
bool is_klass_loaded(int refinfo_index, bool must_be_resolved) const;
bool check_call(int refinfo_index, bool is_static) const;
bool ensure_method_data(); // make sure it exists in the VM also
int instructions_size();
int scale_count(int count, float prof_factor = 1.); // make MDO count commensurate with IIC
// JSR 292 support
@ -291,6 +293,7 @@ class ciMethod : public ciMetadata {
bool is_accessor () const;
bool is_initializer () const;
bool can_be_statically_bound() const { return _can_be_statically_bound; }
void dump_replay_data(outputStream* st);
// Print the bytecodes of this method.
void print_codes_on(outputStream* st);