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6543938: G1: remove the concept of popularity

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Reviewed-by: iveresov, tonyp
This commit is contained in:
Andrey Petrusenko 2009-03-25 13:10:54 -07:00
parent cb822b7e10
commit cf2ae8d98d
19 changed files with 101 additions and 1074 deletions
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11
hotspot/src/cpu/sparc/vm/assembler_sparc.cpp
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@ -4234,7 +4234,6 @@ void MacroAssembler::g1_write_barrier_pre(Register obj, Register index, int offs
static jint num_ct_writes = 0;
static jint num_ct_writes_filtered_in_hr = 0;
static jint num_ct_writes_filtered_null = 0;
static jint num_ct_writes_filtered_pop = 0;
static G1CollectedHeap* g1 = NULL;
static Thread* count_ct_writes(void* filter_val, void* new_val) {
@ -4247,25 +4246,19 @@ static Thread* count_ct_writes(void* filter_val, void* new_val) {
if (g1 == NULL) {
g1 = G1CollectedHeap::heap();
}
if ((HeapWord*)new_val < g1->popular_object_boundary()) {
Atomic::inc(&num_ct_writes_filtered_pop);
}
}
if ((num_ct_writes % 1000000) == 0) {
jint num_ct_writes_filtered =
num_ct_writes_filtered_in_hr +
num_ct_writes_filtered_null +
num_ct_writes_filtered_pop;
num_ct_writes_filtered_null;
tty->print_cr("%d potential CT writes: %5.2f%% filtered\n"
" (%5.2f%% intra-HR, %5.2f%% null, %5.2f%% popular).",
" (%5.2f%% intra-HR, %5.2f%% null).",
num_ct_writes,
100.0*(float)num_ct_writes_filtered/(float)num_ct_writes,
100.0*(float)num_ct_writes_filtered_in_hr/
(float)num_ct_writes,
100.0*(float)num_ct_writes_filtered_null/
(float)num_ct_writes,
100.0*(float)num_ct_writes_filtered_pop/
(float)num_ct_writes);
}
return Thread::current();