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6914622: Print values of all flags for product VM

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Change the flag -XX:+PrintFlagsFinal to product and add new product flag -XX:+PrintFlagsInitial.

Reviewed-by: phh, ysr
This commit is contained in:
Gary Benson 2010-01-07 16:24:17 -08:00 committed by Vladimir Kozlov
parent 5bec0d60ab
commit 5d66f5aca8
3 changed files with 17 additions and 12 deletions
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6
hotspot/src/share/vm/runtime/arguments.cpp
View File

@ -2633,6 +2633,10 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) {
IgnoreUnrecognizedVMOptions = false;
}
if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) {
CommandLineFlags::printFlags();
vm_exit(0);
}
}
if (IgnoreUnrecognizedVMOptions) {
@ -2795,11 +2799,9 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
CommandLineFlags::printSetFlags();
}
#ifdef ASSERT
if (PrintFlagsFinal) {
CommandLineFlags::printFlags();
}
#endif
return JNI_OK;
}

4
hotspot/src/share/vm/runtime/globals.cpp
View File

@ -468,6 +468,8 @@ void CommandLineFlags::verify() {
assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict");
}
#endif // PRODUCT
void CommandLineFlags::printFlags() {
// Print the flags sorted by name
// note: this method is called before the thread structure is in place
@ -493,5 +495,3 @@ void CommandLineFlags::printFlags() {
}
FREE_C_HEAP_ARRAY(Flag*, array);
}
#endif

19
hotspot/src/share/vm/runtime/globals.hpp
View File

@ -211,7 +211,7 @@ class CommandLineFlags {
static bool wasSetOnCmdline(const char* name, bool* value);
static void printSetFlags();
static void printFlags() PRODUCT_RETURN;
static void printFlags();
static void verify() PRODUCT_RETURN;
};
@ -327,9 +327,6 @@ class CommandLineFlags {
product(bool, UseMembar, false, \
"(Unstable) Issues membars on thread state transitions") \
\
product(bool, PrintCommandLineFlags, false, \
"Prints flags that appeared on the command line") \
\
diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \
"Enable normal processing of flags relating to field diagnostics")\
\
@ -1967,9 +1964,6 @@ class CommandLineFlags {
"number of times a GC thread (minus the coordinator) " \
"will sleep while yielding before giving up and resuming GC") \
\
notproduct(bool, PrintFlagsFinal, false, \
"Print all command line flags after argument processing") \
\
/* gc tracing */ \
manageable(bool, PrintGC, false, \
"Print message at garbage collect") \
@ -2269,11 +2263,20 @@ class CommandLineFlags {
"If false, restricts profiled locations to the root method only") \
\
product(bool, PrintVMOptions, trueInDebug, \
"print VM flag settings") \
"Print flags that appeared on the command line") \
\
product(bool, IgnoreUnrecognizedVMOptions, false, \
"Ignore unrecognized VM options") \
\
product(bool, PrintCommandLineFlags, false, \
"Print flags specified on command line or set by ergonomics") \
\
product(bool, PrintFlagsInitial, false, \
"Print all VM flags before argument processing and exit VM") \
\
product(bool, PrintFlagsFinal, false, \
"Print all VM flags after argument and ergonomic processing") \
\
diagnostic(bool, SerializeVMOutput, true, \
"Use a mutex to serialize output to tty and hotspot.log") \
\