stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge

Browse Source
This commit is contained in:
Christian Thalinger 2011-04-14 06:46:38 -07:00
commit 2234bb04a7
3 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hotspot/src/share/vm/code/codeCache.cpp
View File

@ -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();
}

8
hotspot/src/share/vm/compiler/compileBroker.cpp
View File

@ -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();
}

14
hotspot/src/share/vm/runtime/sweeper.cpp
View File

@ -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();
}