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comparison src/share/vm/gc_implementation/shared/allocationStats.hpp @ 2186:e49cfa28f585

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6999988: CMS: Increased fragmentation leading to promotion failure after CR#6631166 got implemented Summary: Fix calculation of _desired, in free list statistics, which was missing an intended set of parentheses. Reviewed-by: poonam, jmasa
author ysr
date Tue, 01 Feb 2011 10:02:01 -0800
parents f95d63e2154a
children 1d1603768966
comparison
equal deleted inserted replaced
2185:b7a938236e43 2186:e49cfa28f585
114 float old_rate = _demand_rate_estimate.padded_average(); 114 float old_rate = _demand_rate_estimate.padded_average();
115 float rate = ((float)demand)/inter_sweep_current; 115 float rate = ((float)demand)/inter_sweep_current;
116 _demand_rate_estimate.sample(rate); 116 _demand_rate_estimate.sample(rate);
117 float new_rate = _demand_rate_estimate.padded_average(); 117 float new_rate = _demand_rate_estimate.padded_average();
118 ssize_t old_desired = _desired; 118 ssize_t old_desired = _desired;
119 _desired = (ssize_t)(new_rate * (inter_sweep_estimate 119 float delta_ise = (CMSExtrapolateSweep ? intra_sweep_estimate : 0.0);
120 + CMSExtrapolateSweep 120 _desired = (ssize_t)(new_rate * (inter_sweep_estimate + delta_ise));
121 ? intra_sweep_estimate
122 : 0.0));
123 if (PrintFLSStatistics > 1) { 121 if (PrintFLSStatistics > 1) {
124 gclog_or_tty->print_cr("demand: %d, old_rate: %f, current_rate: %f, new_rate: %f, old_desired: %d, new_desired: %d", 122 gclog_or_tty->print_cr("demand: %d, old_rate: %f, current_rate: %f, new_rate: %f, old_desired: %d, new_desired: %d",
125 demand, old_rate, rate, new_rate, old_desired, _desired); 123 demand, old_rate, rate, new_rate, old_desired, _desired);
126 } 124 }
127 } 125 }