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7194254: jstack reports wrong thread priorities

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Reviewed-by: dholmes, sla, fparain
This commit is contained in:
Dmytro Sheyko 2012-09-17 07:36:31 -04:00 • committed by David Holmes
parent c188598ddd
commit 48255b9ff3
5 changed files with 143 additions and 7 deletions
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18
hotspot/src/share/vm/runtime/thread.cpp
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@ -836,7 +836,11 @@ void Thread::metadata_do(void f(Metadata*)) {
void Thread::print_on(outputStream* st) const {
// get_priority assumes osthread initialized
if (osthread() != NULL) {
st->print("prio=%d tid=" INTPTR_FORMAT " ", get_priority(this), this);
int os_prio;
if (os::get_native_priority(this, &os_prio) == OS_OK) {
st->print("os_prio=%d ", os_prio);
}
st->print("tid=" INTPTR_FORMAT " ", this);
osthread()->print_on(st);
}
debug_only(if (WizardMode) print_owned_locks_on(st);)
@ -2743,7 +2747,11 @@ void JavaThread::print_thread_state() const {
void JavaThread::print_on(outputStream *st) const {
st->print("\"%s\" ", get_thread_name());
oop thread_oop = threadObj();
if (thread_oop != NULL && java_lang_Thread::is_daemon(thread_oop)) st->print("daemon ");
if (thread_oop != NULL) {
st->print("#" INT64_FORMAT " ", java_lang_Thread::thread_id(thread_oop));
if (java_lang_Thread::is_daemon(thread_oop)) st->print("daemon ");
st->print("prio=%d ", java_lang_Thread::priority(thread_oop));
}
Thread::print_on(st);
// print guess for valid stack memory region (assume 4K pages); helps lock debugging
st->print_cr("[" INTPTR_FORMAT "]", (intptr_t)last_Java_sp() & ~right_n_bits(12));
@ -4270,8 +4278,10 @@ void Threads::print_on(outputStream* st, bool print_stacks, bool internal_format
st->cr();
Universe::heap()->print_gc_threads_on(st);
WatcherThread* wt = WatcherThread::watcher_thread();
if (wt != NULL) wt->print_on(st);
st->cr();
if (wt != NULL) {
wt->print_on(st);
st->cr();
}
CompileBroker::print_compiler_threads_on(st);
st->flush();
}