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6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO

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Default values set by cms ergonomics are set with FLAG_SET_DEFAULT so down stream the values look like the default values and affect how later parameters are set.  Set these values with FLAG_SET_ERGO instead and adjust how later parameters are interpreted.

Reviewed-by: iveresov, apetrusenko, pbk, ysr
This commit is contained in:
Jon Masamitsu 2008-03-02 16:10:12 -08:00
parent a6d8fca876
commit 6c0c606249
10 changed files with 376 additions and 97 deletions
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12
hotspot/src/share/vm/runtime/globals.cpp
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@ -205,6 +205,18 @@ bool CommandLineFlagsEx::is_default(CommandLineFlag flag) {
return (f->origin == DEFAULT);
}
bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) {
assert((size_t)flag < Flag::numFlags, "bad command line flag index");
Flag* f = &Flag::flags[flag];
return (f->origin == ERGONOMIC);
}
bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) {
assert((size_t)flag < Flag::numFlags, "bad command line flag index");
Flag* f = &Flag::flags[flag];
return (f->origin == COMMAND_LINE);
}
bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) {
Flag* result = Flag::find_flag((char*)name, strlen(name));
if (result == NULL) return false;