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6953144: Tiered compilation

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Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
This commit is contained in:
Igor Veresov 2010-09-03 17:51:07 -07:00
parent 6e78f6cb4b
commit 2c66a6c3fd
104 changed files with 7720 additions and 1701 deletions
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91
hotspot/src/share/vm/code/nmethod.cpp
View file

@ -867,9 +867,9 @@ void nmethod::log_identity(xmlStream* log) const {
if (compiler() != NULL) {
log->print(" compiler='%s'", compiler()->name());
}
#ifdef TIERED
log->print(" level='%d'", comp_level());
#endif // TIERED
if (TieredCompilation) {
log->print(" level='%d'", comp_level());
}
}
@ -908,35 +908,71 @@ void nmethod::log_new_nmethod() const {
#undef LOG_OFFSET
void nmethod::print_compilation(outputStream *st, const char *method_name, const char *title,
methodOop method, bool is_blocking, int compile_id, int bci, int comp_level) {
bool is_synchronized = false, has_xhandler = false, is_native = false;
int code_size = -1;
if (method != NULL) {
is_synchronized = method->is_synchronized();
has_xhandler = method->has_exception_handler();
is_native = method->is_native();
code_size = method->code_size();
}
// print compilation number
st->print("%7d %3d", (int)tty->time_stamp().milliseconds(), compile_id);
// print method attributes
const bool is_osr = bci != InvocationEntryBci;
const char blocking_char = is_blocking ? 'b' : ' ';
const char compile_type = is_osr ? '%' : ' ';
const char sync_char = is_synchronized ? 's' : ' ';
const char exception_char = has_xhandler ? '!' : ' ';
const char native_char = is_native ? 'n' : ' ';
st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, native_char);
if (TieredCompilation) {
st->print("%d ", comp_level);
}
// print optional title
bool do_nl = false;
if (title != NULL) {
int tlen = (int) strlen(title);
bool do_nl = false;
if (tlen > 0 && title[tlen-1] == '\n') { tlen--; do_nl = true; }
st->print("%.*s", tlen, title);
} else {
do_nl = true;
}
// print method name string if given
if (method_name != NULL) {
st->print(method_name);
} else {
// otherwise as the method to print itself
if (method != NULL && !Universe::heap()->is_gc_active()) {
method->print_short_name(st);
} else {
st->print("(method)");
}
}
if (method != NULL) {
// print osr_bci if any
if (is_osr) st->print(" @ %d", bci);
// print method size
st->print(" (%d bytes)", code_size);
}
if (do_nl) st->cr();
}
// Print out more verbose output usually for a newly created nmethod.
void nmethod::print_on(outputStream* st, const char* title) const {
if (st != NULL) {
ttyLocker ttyl;
// Print a little tag line that looks like +PrintCompilation output:
int tlen = (int) strlen(title);
bool do_nl = false;
if (tlen > 0 && title[tlen-1] == '\n') { tlen--; do_nl = true; }
st->print("%3d%c %.*s",
compile_id(),
is_osr_method() ? '%' :
method() != NULL &&
is_native_method() ? 'n' : ' ',
tlen, title);
#ifdef TIERED
st->print(" (%d) ", comp_level());
#endif // TIERED
print_compilation(st, /*method_name*/NULL, title,
method(), /*is_blocking*/false,
compile_id(), osr_entry_bci(), comp_level());
if (WizardMode) st->print(" (" INTPTR_FORMAT ")", this);
if (Universe::heap()->is_gc_active() && method() != NULL) {
st->print("(method)");
} else if (method() != NULL) {
method()->print_short_name(st);
if (is_osr_method())
st->print(" @ %d", osr_entry_bci());
if (method()->code_size() > 0)
st->print(" (%d bytes)", method()->code_size());
}
if (do_nl) st->cr();
}
}
@ -1137,6 +1173,7 @@ bool nmethod::can_not_entrant_be_converted() {
}
void nmethod::inc_decompile_count() {
if (!is_compiled_by_c2()) return;
// Could be gated by ProfileTraps, but do not bother...
methodOop m = method();
if (m == NULL) return;