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7115199: Add event tracing hooks and Java Flight Recorder infrastructure

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Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.

Reviewed-by: acorn, sspitsyn
This commit is contained in:
Markus Gronlund 2012-01-11 17:34:02 -05:00 • committed by Paul Hohensee
parent 849571d5b3
commit 007126d010
29 changed files with 352 additions and 11 deletions
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6
hotspot/src/share/vm/runtime/thread.hpp
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@ -41,6 +41,7 @@
#include "runtime/stubRoutines.hpp"
#include "runtime/threadLocalStorage.hpp"
#include "runtime/unhandledOops.hpp"
#include "trace/tracing.hpp"
#include "utilities/exceptions.hpp"
#include "utilities/top.hpp"
#ifndef SERIALGC
@ -246,6 +247,8 @@ class Thread: public ThreadShadow {
jlong _allocated_bytes; // Cumulative number of bytes allocated on
// the Java heap
TRACE_BUFFER _trace_buffer; // Thread-local buffer for tracing
int _vm_operation_started_count; // VM_Operation support
int _vm_operation_completed_count; // VM_Operation support
@ -414,6 +417,9 @@ class Thread: public ThreadShadow {
return allocated_bytes;
}
TRACE_BUFFER trace_buffer() { return _trace_buffer; }
void set_trace_buffer(TRACE_BUFFER buf) { _trace_buffer = buf; }
// VM operation support
int vm_operation_ticket() { return ++_vm_operation_started_count; }
int vm_operation_completed_count() { return _vm_operation_completed_count; }