Mercurial > hg > graal-compiler
diff src/share/vm/runtime/arguments.hpp @ 17648:a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
Summary: Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallelGC.
Reviewed-by: sla, mgerdin, brutisso
| author | jwilhelm |
|---|---|
| date | Wed, 29 Jan 2014 23:17:05 +0100 |
| parents | 72b7e96c1922 |
| children | 78bbf4d43a14 |
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--- a/src/share/vm/runtime/arguments.hpp Thu Jan 30 14:05:07 2014 -0800 +++ b/src/share/vm/runtime/arguments.hpp Wed Jan 29 23:17:05 2014 +0100 @@ -27,6 +27,7 @@ #include "runtime/java.hpp" #include "runtime/perfData.hpp" +#include "utilities/debug.hpp" #include "utilities/top.hpp" // Arguments parses the command line and recognizes options @@ -370,11 +371,16 @@ static jint parse_vm_init_args(const JavaVMInitArgs* args); static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, SysClassPath* scp_p, bool* scp_assembly_required_p, Flag::Flags origin); static jint finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required); - static bool is_bad_option(const JavaVMOption* option, jboolean ignore, - const char* option_type); + static bool is_bad_option(const JavaVMOption* option, jboolean ignore, const char* option_type); + static bool is_bad_option(const JavaVMOption* option, jboolean ignore) { return is_bad_option(option, ignore, NULL); } + + static bool is_percentage(uintx val) { + return val <= 100; + } + static bool verify_interval(uintx val, uintx min, uintx max, const char* name); static bool verify_min_value(intx val, intx min, const char* name); @@ -440,6 +446,15 @@ static jint apply_ergo(); // Adjusts the arguments after the OS have adjusted the arguments static jint adjust_after_os(); + + // Verifies that the given value will fit as a MinHeapFreeRatio. If not, an error + // message is returned in the provided buffer. + static bool verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio); + + // Verifies that the given value will fit as a MaxHeapFreeRatio. If not, an error + // message is returned in the provided buffer. + static bool verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio); + // Check for consistency in the selection of the garbage collector. static bool check_gc_consistency(); static void check_deprecated_gcs();