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6999988: CMS: Increased fragmentation leading to promotion failure after CR#6631166 got implemented

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Fix calculation of _desired, in free list statistics, which was missing an intended set of parentheses.

Reviewed-by: poonam, jmasa
This commit is contained in:
Y. Srinivas Ramakrishna 2011-02-01 10:02:01 -08:00
parent d18d952e56
commit 1046ee088f
1 changed files with 2 additions and 4 deletions
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6
hotspot/src/share/vm/gc_implementation/shared/allocationStats.hpp
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@ -116,10 +116,8 @@ class AllocationStats VALUE_OBJ_CLASS_SPEC {
_demand_rate_estimate.sample(rate);
float new_rate = _demand_rate_estimate.padded_average();
ssize_t old_desired = _desired;
_desired = (ssize_t)(new_rate * (inter_sweep_estimate
+ CMSExtrapolateSweep
? intra_sweep_estimate
: 0.0));
float delta_ise = (CMSExtrapolateSweep ? intra_sweep_estimate : 0.0);
_desired = (ssize_t)(new_rate * (inter_sweep_estimate + delta_ise));
if (PrintFLSStatistics > 1) {
gclog_or_tty->print_cr("demand: %d, old_rate: %f, current_rate: %f, new_rate: %f, old_desired: %d, new_desired: %d",
demand, old_rate, rate, new_rate, old_desired, _desired);