提交 64b526a3 编写于 作者: T twisti

Merge

......@@ -971,8 +971,6 @@ size_t CodeCache::largest_free_block() {
if (CodeCache_lock->owned_by_self()) {
return _heap->largest_free_block();
} else {
// Avoid lock ordering problems with ttyLock.
ttyUnlocker ttyul;
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
return _heap->largest_free_block();
}
......
......@@ -1736,8 +1736,14 @@ void CompileBroker::handle_full_code_cache() {
UseInterpreter = true;
if (UseCompiler || AlwaysCompileLoopMethods ) {
if (xtty != NULL) {
stringStream s;
// Dump code cache state into a buffer before locking the tty,
// because log_state() will use locks causing lock conflicts.
CodeCache::log_state(&s);
// Lock to prevent tearing
ttyLocker ttyl;
xtty->begin_elem("code_cache_full");
CodeCache::log_state(xtty);
xtty->print(s.as_string());
xtty->stamp();
xtty->end_elem();
}
......
......@@ -418,6 +418,11 @@ void NMethodSweeper::speculative_disconnect_nmethods(bool is_full) {
// state of the code cache if it's requested.
void NMethodSweeper::log_sweep(const char* msg, const char* format, ...) {
if (PrintMethodFlushing) {
stringStream s;
// Dump code cache state into a buffer before locking the tty,
// because log_state() will use locks causing lock conflicts.
CodeCache::log_state(&s);
ttyLocker ttyl;
tty->print("### sweeper: %s ", msg);
if (format != NULL) {
......@@ -426,10 +431,15 @@ void NMethodSweeper::log_sweep(const char* msg, const char* format, ...) {
tty->vprint(format, ap);
va_end(ap);
}
CodeCache::log_state(tty); tty->cr();
tty->print_cr(s.as_string());
}
if (LogCompilation && (xtty != NULL)) {
stringStream s;
// Dump code cache state into a buffer before locking the tty,
// because log_state() will use locks causing lock conflicts.
CodeCache::log_state(&s);
ttyLocker ttyl;
xtty->begin_elem("sweeper state='%s' traversals='" INTX_FORMAT "' ", msg, (intx)traversal_count());
if (format != NULL) {
......@@ -438,7 +448,7 @@ void NMethodSweeper::log_sweep(const char* msg, const char* format, ...) {
xtty->vprint(format, ap);
va_end(ap);
}
CodeCache::log_state(xtty);
xtty->print(s.as_string());
xtty->stamp();
xtty->end_elem();
}
......
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