src/share/vm/gc_implementation/shared/ageTable.cpp

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*** 78,109 **** } } uint ageTable::compute_tenuring_threshold(size_t survivor_capacity) { size_t desired_survivor_size = (size_t)((((double) survivor_capacity)*TargetSurvivorRatio)/100); size_t total = 0; uint age = 1; assert(sizes[0] == 0, "no objects with age zero should be recorded"); while (age < table_size) { total += sizes[age]; // check if including objects of age 'age' made us pass the desired // size, if so 'age' is the new threshold if (total > desired_survivor_size) break; age++; } ! uint result = age < MaxTenuringThreshold ? age : MaxTenuringThreshold; if (PrintTenuringDistribution || UsePerfData) { if (PrintTenuringDistribution) { gclog_or_tty->cr(); ! gclog_or_tty->print_cr("Desired survivor size " SIZE_FORMAT " bytes, new threshold %u (max %u)", desired_survivor_size*oopSize, result, MaxTenuringThreshold); } ! total = 0; ! age = 1; while (age < table_size) { total += sizes[age]; if (sizes[age] > 0) { if (PrintTenuringDistribution) { gclog_or_tty->print_cr("- age %3u: %10ld bytes, %10ld total", --- 78,118 ---- } } uint ageTable::compute_tenuring_threshold(size_t survivor_capacity) { size_t desired_survivor_size = (size_t)((((double) survivor_capacity)*TargetSurvivorRatio)/100); + uint result; + + if (AlwaysTenure || NeverTenure) { + assert(MaxTenuringThreshold == 0 || MaxTenuringThreshold == markOopDesc::max_age + 1, + err_msg("MaxTenuringThreshold should be 0 or markOopDesc::max_age + 1, but is ", MaxTenuringThreshold)); + result = MaxTenuringThreshold; + } else { size_t total = 0; uint age = 1; assert(sizes[0] == 0, "no objects with age zero should be recorded"); while (age < table_size) { total += sizes[age]; // check if including objects of age 'age' made us pass the desired // size, if so 'age' is the new threshold if (total > desired_survivor_size) break; age++; } ! result = age < MaxTenuringThreshold ? age : MaxTenuringThreshold; ! } if (PrintTenuringDistribution || UsePerfData) { if (PrintTenuringDistribution) { gclog_or_tty->cr(); ! gclog_or_tty->print_cr("Desired survivor size " SIZE_FORMAT " bytes, new threshold " ! UINTX_FORMAT " (max threshold " UINTX_FORMAT ")", desired_survivor_size*oopSize, result, MaxTenuringThreshold); } ! size_t total = 0; ! uint age = 1; while (age < table_size) { total += sizes[age]; if (sizes[age] > 0) { if (PrintTenuringDistribution) { gclog_or_tty->print_cr("- age %3u: %10ld bytes, %10ld total",