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6962947: shared TaskQueue statistics

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Reviewed-by: tonyp, ysr
This commit is contained in:
John Coomes 2010-07-16 21:33:21 -07:00
parent 4efdcb87d1
commit daf491a814
11 changed files with 236 additions and 137 deletions
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65
hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp
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@ -42,8 +42,6 @@ class MutableSpace;
class PSOldGen;
class ParCompactionManager;
#define PS_PM_STATS 0
class PSPromotionManager : public CHeapObj {
friend class PSScavenge;
friend class PSRefProcTaskExecutor;
@ -54,22 +52,18 @@ class PSPromotionManager : public CHeapObj {
static PSOldGen* _old_gen;
static MutableSpace* _young_space;
#if PS_PM_STATS
uint _total_pushes;
uint _masked_pushes;
#if TASKQUEUE_STATS
size_t _masked_pushes;
size_t _masked_steals;
size_t _arrays_chunked;
size_t _array_chunks_processed;
uint _overflow_pushes;
uint _max_overflow_length;
uint _arrays_chunked;
uint _array_chunks_processed;
uint _total_steals;
uint _masked_steals;
void print_stats(uint i);
void print_taskqueue_stats(uint i) const;
void print_local_stats(uint i) const;
static void print_stats();
#endif // PS_PM_STATS
void reset_stats();
#endif // TASKQUEUE_STATS
PSYoungPromotionLAB _young_lab;
PSOldPromotionLAB _old_lab;
@ -143,42 +137,12 @@ class PSPromotionManager : public CHeapObj {
template <class T> void push_depth(T* p) {
assert(depth_first(), "pre-condition");
#if PS_PM_STATS
++_total_pushes;
int stack_length = claimed_stack_depth()->overflow_stack()->length();
#endif // PS_PM_STATS
claimed_stack_depth()->push(p);
#if PS_PM_STATS
if (claimed_stack_depth()->overflow_stack()->length() != stack_length) {
++_overflow_pushes;
if ((uint)stack_length + 1 > _max_overflow_length) {
_max_overflow_length = (uint)stack_length + 1;
}
}
#endif // PS_PM_STATS
}
void push_breadth(oop o) {
assert(!depth_first(), "pre-condition");
#if PS_PM_STATS
++_total_pushes;
int stack_length = claimed_stack_breadth()->overflow_stack()->length();
#endif // PS_PM_STATS
claimed_stack_breadth()->push(o);
#if PS_PM_STATS
if (claimed_stack_breadth()->overflow_stack()->length() != stack_length) {
++_overflow_pushes;
if ((uint)stack_length + 1 > _max_overflow_length) {
_max_overflow_length = (uint)stack_length + 1;
}
}
#endif // PS_PM_STATS
}
protected:
@ -256,12 +220,5 @@ class PSPromotionManager : public CHeapObj {
template <class T> inline void claim_or_forward_depth(T* p);
template <class T> inline void claim_or_forward_breadth(T* p);
#if PS_PM_STATS
void increment_steals(oop* p = NULL) {
_total_steals += 1;
if (p != NULL && is_oop_masked(p)) {
_masked_steals += 1;
}
}
#endif // PS_PM_STATS
TASKQUEUE_STATS_ONLY(inline void record_steal(StarTask& p);)
};