archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 07:14:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6935224: Adding new DTrace probes to work with Palantir

Browse source 
Adding probes related to thread scheduling and class initialization

Reviewed-by: kamg, never
This commit is contained in:
Frederic Parain 2010-03-17 11:01:05 +01:00
parent d713517a21
commit 2450ae35a1
9 changed files with 134 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

12
hotspot/src/share/vm/runtime/vmThread.cpp
View file

@ -25,6 +25,10 @@
# include "incls/_precompiled.incl"
# include "incls/_vmThread.cpp.incl"
HS_DTRACE_PROBE_DECL3(hotspot, vmops__request, char *, uintptr_t, int);
HS_DTRACE_PROBE_DECL3(hotspot, vmops__begin, char *, uintptr_t, int);
HS_DTRACE_PROBE_DECL3(hotspot, vmops__end, char *, uintptr_t, int);
// Dummy VM operation to act as first element in our circular double-linked list
class VM_Dummy: public VM_Operation {
VMOp_Type type() const { return VMOp_Dummy; }
@ -132,6 +136,10 @@ void VMOperationQueue::drain_list_oops_do(OopClosure* f) {
//-----------------------------------------------------------------
// High-level interface
bool VMOperationQueue::add(VM_Operation *op) {
HS_DTRACE_PROBE3(hotspot, vmops__request, op->name(), strlen(op->name()),
op->evaluation_mode());
// Encapsulates VM queue policy. Currently, that
// only involves putting them on the right list
if (op->evaluate_at_safepoint()) {
@ -325,7 +333,11 @@ void VMThread::evaluate_operation(VM_Operation* op) {
{
PerfTraceTime vm_op_timer(perf_accumulated_vm_operation_time());
HS_DTRACE_PROBE3(hotspot, vmops__begin, op->name(), strlen(op->name()),
op->evaluation_mode());
op->evaluate();
HS_DTRACE_PROBE3(hotspot, vmops__end, op->name(), strlen(op->name()),
op->evaluation_mode());
}
// Last access of info in _cur_vm_operation!